Trends, DsTrend, DsTrendCurve and SevHist for javascript

java/exe/jpwr_rt_gdh/src/jpwr_rt_gdh.c

@@ -51,6 +51,7 @@
 #include "rt_gdh.h"
 #include "rt_gdh_msg.h"
 #include "rt_thread.h"
+#include "rt_sevcli.h"
 
 #include "jpwr_rt_gdh.h"
 
@@ -99,6 +100,7 @@ static void gdh_ConvertUTFstring( char *out, char *in);
 static int gdh_JidToPointer( int id, void **p);
 static int gdh_JidStore( void *p, pwr_tRefId r, int *id);
 static int gdh_JidRemove( pwr_tRefId r);
+static sevcli_tCtx gdh_scctx = 0;
 
 JNIEXPORT jint JNICALL Java_jpwr_rt_Gdh_init
   (JNIEnv *env, jclass obj)
@@ -3098,7 +3100,8 @@ JNIEXPORT jint JNICALL Java_jpwr_rt_Gdh_updateCircBuffInfo
       case pwr_eType_UInt16:
       case pwr_eType_Int16:
       case pwr_eType_UInt8:
-      case pwr_eType_Int8: {
+      case pwr_eType_Int8:
+      case pwr_eType_Boolean: {
 	jintArray jiarray = 0;
 	jiarray = (*env)->NewIntArray( env, info[i].size);
 	(*env)->SetIntArrayRegion( env, jiarray, 0, info[i].size, info[i].bufp);
@@ -3120,6 +3123,394 @@ JNIEXPORT jint JNICALL Java_jpwr_rt_Gdh_updateCircBuffInfo
   return 1;
 }
 
+JNIEXPORT jobject JNICALL Java_jpwr_rt_Gdh_getDsTrend
+(JNIEnv *env, jobject obj, jstring jdstrend_object, jint jlast_next_idx, jint jlast_buffer, jint jmax_size)
+{
+  int 		sts = GDH__SUCCESS;
+  jclass 	gdhrGetDsTrend_id;
+  static jmethodID gdhrGetDsTrend_cid = NULL;
+  jobject       gdhrGetDsTrend;
+  int last_next_idx = jlast_next_idx;
+  int last_buffer = jlast_buffer;
+  int max_size = jmax_size;
+
+  pwr_sClass_DsTrend tp;
+  int write_buffer;
+  int start_idx;
+  int trend_buff_size = 478;
+  int j, k;
+  int idx = 0;
+  float *data = 0;
+  int values = 0;
+  char *dstrend_object;
+
+  gdhrGetDsTrend_id = (*env)->FindClass( env, "jpwr/rt/GdhrGetDsTrend");
+  if(gdhrGetDsTrend_id == NULL) printf("gdhrGetDsTrend_id ks NULL");
+
+  if(gdhrGetDsTrend_cid == NULL) {
+    gdhrGetDsTrend_cid = (*env)->GetMethodID( env, gdhrGetDsTrend_id,
+    	  "<init>", "([FIIII)V");
+    if(gdhrGetDsTrend_cid == NULL) printf("gdhrGetDsTrend_cid is NULL");
+  }
+
+  dstrend_object = (char *)(*env)->GetStringUTFChars(env, jdstrend_object, 0);
+
+  gdh_ConvertUTFstring( dstrend_object, dstrend_object);
+
+
+  sts = gdh_GetObjectInfo(dstrend_object, &tp, sizeof(tp));
+  if (ODD(sts)) {
+    if (last_next_idx == -1 || last_next_idx == 65535) {
+      /* Get whole curve */
+      data = (float *)calloc(1, 4 * max_size);
+
+      int write_buffer = (int)tp.WriteBuffer;
+      start_idx = write_buffer * trend_buff_size / 2
+	+ (int)tp.NextWriteIndex[write_buffer];
+      if (start_idx == 0) {
+	start_idx = tp.NoOfSample - 1 + trend_buff_size / 2;
+	write_buffer = 1;
+      } else if (start_idx == trend_buff_size / 2) {
+	start_idx = tp.NoOfSample - 1;
+	write_buffer = 0;
+      } else
+	start_idx--;
+      
+      idx = 0;
+      for (j = start_idx; j >= write_buffer * trend_buff_size / 2; j--) {
+	if (idx >= max_size)
+	  break;
+	data[max_size-idx-1] = tp.DataBuffer[j];
+	idx++;
+      }
+      for (j = tp.NoOfSample - 1 + (!write_buffer) * trend_buff_size / 2;
+	   j >= (!write_buffer) * trend_buff_size / 2; j--) {
+	if (idx >= max_size)
+	  break;
+
+	data[max_size-idx-1] = tp.DataBuffer[j];
+	idx++;
+      }
+      if (start_idx
+	  != (int)tp.NoOfSample - 1 + write_buffer * trend_buff_size / 2) {
+	for (j = tp.NoOfSample - 1 + write_buffer * trend_buff_size / 2;
+	     j > start_idx; j--) {
+	  if (idx >= max_size)
+	    break;
+
+	  data[max_size-idx-1] = tp.DataBuffer[j];
+	  idx++;
+	}
+      }
+      last_buffer = tp.WriteBuffer;
+      last_next_idx = tp.NextWriteIndex[last_buffer];
+      values = idx;
+    }
+    else {
+      /* Get new value values since last_idx */
+      if (tp.NextWriteIndex[tp.WriteBuffer]
+	  != last_next_idx) {
+	values = tp.NextWriteIndex[tp.WriteBuffer]
+	  - last_next_idx;
+	if (values < 0)
+	  values = values + tp.NoOfSample;
+	
+	if (values > max_size)
+	  values = max_size;
+	
+	data = (float *)calloc(1, 4 * values);
+	
+	last_next_idx
+	  = tp.NextWriteIndex[tp.WriteBuffer];
+	
+	for (k = 0; k < values; k++) {
+	  // Add new points
+	  // Insert new value
+	  write_buffer = tp.WriteBuffer;
+	  idx = write_buffer * trend_buff_size / 2
+	    + (int)tp.NextWriteIndex[write_buffer]
+	    - (values - 1 - k);
+	  idx--;
+	  if (idx < 0)
+	    idx += trend_buff_size;
+	  /*
+	  if (idx == 0 || idx == trend_buff_size * write_buffer)
+	    idx = tp.NoOfSample - 1
+	      + (!write_buffer) * trend_buff_size / 2;
+	  else
+	    idx--;
+	  */
+	  data[k] = tp.DataBuffer[idx];
+	}
+      }
+    }
+  }
+
+  jfloatArray jfarray = 0;
+  if (values > 0) {
+    jfarray = (*env)->NewFloatArray( env, values);
+    (*env)->SetFloatArrayRegion( env, jfarray, 0, values, data);
+  }
+  (*env)->ReleaseStringUTFChars( env, jdstrend_object, dstrend_object);
+  if (data)
+    free(data);
+
+  gdhrGetDsTrend = (*env)->NewObject( env, gdhrGetDsTrend_id,
+				   gdhrGetDsTrend_cid,
+				   jfarray,
+				   (jint)values,
+				   (jint)last_next_idx,
+				   (jint)last_buffer,
+				   (jint)sts);
+  
+  return gdhrGetDsTrend;
+}
+
+JNIEXPORT jobject JNICALL Java_jpwr_rt_Gdh_getSevItemData
+(JNIEnv *env, jobject obj, jstring jserver, jobject joid, jstring jattribute, jfloat jtimerange, jint jmax_size)
+{
+  int 		sts = GDH__SUCCESS;
+  jclass 	gdhrSevItemData_id;
+  static jmethodID gdhrSevItemData_cid = NULL;
+  jobject       gdhrSevItemData;
+  jclass 	PwrtObjid_id;
+  static jmethodID 	PwrtObjid_getOix = NULL;
+  static jmethodID 	PwrtObjid_getVid = NULL;
+  float timerange = jtimerange;
+  int max_size = jmax_size;
+  char *server;
+  char *attribute;
+  pwr_tOid oid;
+  pwr_tOName aname;
+  pwr_tDeltaTime dt_timerange;
+  pwr_tTime* tbuf;
+  void* vbuf;
+  int rows;
+  pwr_eType vtype;
+  unsigned int vsize;
+  pwr_tTime from, to;
+  pwr_tDeltaTime diff;
+  int k;
+  char *s;
+  jfloatArray jtarray = 0;
+  jfloatArray f_varray = 0;
+  jintArray i_varray = 0;
+  float *tarray = 0;
+  void *jvarray = 0;
+
+  gdhrSevItemData_id = (*env)->FindClass( env, "jpwr/rt/GdhrSevItemData");
+  if(gdhrSevItemData_id == NULL) printf("gdhrSevItemData_id ks NULL");
+
+  if(gdhrSevItemData_cid == NULL) {
+    gdhrSevItemData_cid = (*env)->GetMethodID( env, gdhrSevItemData_id,
+					       "<init>", "(I[FLjava/lang/Object;II)V");
+    if(gdhrSevItemData_cid == NULL) printf("gdhrSevItemData_cid is NULL");
+  }
+
+  PwrtObjid_id = (*env)->FindClass( env, "jpwr/rt/PwrtObjid");
+  if(PwrtObjid_getOix == NULL || PwrtObjid_getVid == NULL) {
+    PwrtObjid_getOix = (*env)->GetMethodID( env, PwrtObjid_id, "getOix", "()I");
+    PwrtObjid_getVid = (*env)->GetMethodID( env, PwrtObjid_id, "getVid", "()I");
+  }
+
+  oid.oix = (*env)->CallIntMethod( env, joid, PwrtObjid_getOix);
+  oid.vid = (*env)->CallIntMethod( env, joid, PwrtObjid_getVid);
+
+  while(1) {
+    if (!gdh_scctx) {
+      sevcli_init(&sts, &gdh_scctx);
+      if (EVEN(sts))
+	break;
+    }
+
+    server = (char *)(*env)->GetStringUTFChars(env, jserver, 0);
+    gdh_ConvertUTFstring( server, server);
+
+    attribute = (char *)(*env)->GetStringUTFChars(env, jattribute, 0);
+    gdh_ConvertUTFstring( attribute, attribute);
+
+    sevcli_set_servernode(&sts, gdh_scctx, server);
+    if (EVEN(sts)) 
+      break;
+    
+    time_FloatToD(&dt_timerange, timerange);
+    time_GetTime(&to);
+    time_Asub(&from, &to, &dt_timerange);
+
+    //memset(&oid, 0, sizeof(oid));
+    strncpy(aname, attribute, sizeof(aname));
+    if ((s = strchr(aname, '#')))
+      *s = 0;
+
+    sevcli_get_itemdata(&sts, gdh_scctx, oid, aname, from, to, max_size, &tbuf, &vbuf,
+			&rows, &vtype, &vsize);
+    if (EVEN(sts))
+      break;
+    
+    tarray = (float *)calloc(1, 4 * rows);
+    for (k = 0; k < rows; k++) {
+      time_Adiff(&diff, &to, &tbuf[k]);
+      time_DToFloat(&tarray[k], &diff);      
+    }
+
+    if (rows > 0) {
+      jtarray = (*env)->NewFloatArray(env, rows);
+      (*env)->SetFloatArrayRegion(env, jtarray, 0, rows, tarray);
+    }
+    switch (vtype) {
+    case pwr_eType_Float32: {      
+      if (rows > 0) {
+	f_varray = (*env)->NewFloatArray(env, rows);
+	(*env)->SetFloatArrayRegion(env, f_varray, 0, rows, vbuf);
+	jvarray = f_varray;
+      }
+      break;
+    }
+    case pwr_eType_Int32:
+    case pwr_eType_UInt32:
+    case pwr_eType_Boolean: {
+      if (rows > 0) {
+	i_varray = (*env)->NewIntArray(env, rows);
+	(*env)->SetIntArrayRegion(env, i_varray, 0, rows, vbuf);
+	jvarray = i_varray;
+      }
+      break;
+    }
+    default:
+      sts = 0;
+      break;
+    }
+    free(tarray);
+    free(tbuf);
+    free(vbuf);
+
+    break;
+  }
+  (*env)->ReleaseStringUTFChars(env, jserver, server);
+  (*env)->ReleaseStringUTFChars(env, jattribute, attribute);
+
+  gdhrSevItemData = (*env)->NewObject( env, gdhrSevItemData_id,
+				       gdhrSevItemData_cid,
+				       (jint)rows,
+				       jtarray,
+				       jvarray,
+				       (jint)vtype,
+				       (jint)sts);
+  
+  return gdhrSevItemData;
+}
+
+JNIEXPORT jobject JNICALL Java_jpwr_rt_Gdh_getSevItemInfo
+(JNIEnv *env, jobject obj, jstring jsevhist_object)
+{
+  int 		sts = GDH__SUCCESS;
+  jclass 	gdhrSevItemInfo_id;
+  static jmethodID gdhrSevItemInfo_cid = NULL;
+  jobject       gdhrSevItemInfo;
+  jclass 	PwrtObjid_id;
+  jmethodID 	PwrtObjid_cid;
+  jobject 	objid_obj = NULL;
+  pwr_tOid	oid;
+  jint 		oix, vid;
+  jstring	jserver = NULL;
+  jstring	jattr = NULL;
+  pwr_tAttrRef sevhist_aref;
+  pwr_tAttrRef thread_aref;
+  pwr_tAttrRef aref;
+  pwr_tAttrRef attr_aref;
+  pwr_tAName aname;
+  pwr_tCid cid;
+  pwr_tOid thread_oid;
+  char server[80];
+  char *sevhist_object;
+  pwr_tOName attr;
+  char *s;
+
+  gdhrSevItemInfo_id = (*env)->FindClass( env, "jpwr/rt/GdhrSevItemInfo");
+  if(gdhrSevItemInfo_id == NULL) printf("gdhrSevItemInfo_id ks NULL");
+
+  if(gdhrSevItemInfo_cid == NULL) {
+    gdhrSevItemInfo_cid = (*env)->GetMethodID( env, gdhrSevItemInfo_id,
+       "<init>", "(Ljpwr/rt/PwrtObjid;Ljava/lang/String;Ljava/lang/String;I)V");
+    if(gdhrSevItemInfo_cid == NULL) printf("gdhrSevItemInfo_cid is NULL");
+  }
+
+  PwrtObjid_id = (*env)->FindClass( env, "jpwr/rt/PwrtObjid");
+  PwrtObjid_cid = (*env)->GetMethodID( env, PwrtObjid_id,
+    	"<init>", "(II)V");
+
+  sevhist_object = (char *)(*env)->GetStringUTFChars(env, jsevhist_object, 0);
+  gdh_ConvertUTFstring(sevhist_object, sevhist_object);
+
+  while (1) {
+    sts = gdh_NameToAttrref(pwr_cNObjid, sevhist_object, &sevhist_aref);
+    if (EVEN(sts))
+      break;
+
+    sts = gdh_GetAttrRefTid(&sevhist_aref, &cid);
+    if (EVEN(sts))
+      break;
+
+    if (cid != pwr_cClass_SevHist)
+      break;
+
+    sts = gdh_ArefANameToAref(&sevhist_aref, "ThreadObject", &aref);
+    if (EVEN(sts))
+      break;
+
+    sts = gdh_GetObjectInfoAttrref(&aref, &thread_oid, sizeof(thread_oid));
+    if (EVEN(sts))
+      break;
+
+    thread_aref = cdh_ObjidToAref(thread_oid);
+    sts = gdh_ArefANameToAref(&thread_aref, "ServerNode", &aref);
+    if (EVEN(sts)) 
+      break;
+
+    sts = gdh_GetObjectInfoAttrref(&aref, server, sizeof(server));
+    if (EVEN(sts))
+      break;    
+
+    sts = gdh_ArefANameToAref(&sevhist_aref, "Attribute", &aref);
+    if (EVEN(sts))
+      break;
+    
+    sts = gdh_GetObjectInfoAttrref(&aref, &attr_aref, sizeof(attr_aref));
+    if (EVEN(sts))
+      break;    
+
+    sts = gdh_AttrrefToName(&attr_aref, aname, sizeof(aname), cdh_mNName);
+    if (EVEN(sts))
+      break;
+
+    s = strchr(aname, '.');
+    if (!s) {
+      sts = 0;
+      break;
+    }
+
+    oid = attr_aref.Objid;
+    strcpy(attr, s+1);
+
+    oix = (jint) oid.oix;
+    vid = (jint) oid.vid;
+
+    jattr = (*env)->NewStringUTF(env, attr);
+    jserver = (*env)->NewStringUTF(env, server);
+    objid_obj = (*env)->NewObject(env, PwrtObjid_id, PwrtObjid_cid,
+				  oix, vid);
+    break;
+  }
+  gdhrSevItemInfo = (*env)->NewObject(env, gdhrSevItemInfo_id,
+				      gdhrSevItemInfo_cid,
+				      objid_obj,
+				      jattr,
+				      jserver,
+				      (jint)sts);
+  
+  return gdhrSevItemInfo;
+}
+
 static int gdh_JidToPointer( int id, void **p)
 {
 #if defined HW_X86_64

java/exe/jpwr_rt_gdh/src/jpwr_rt_gdh.h

@@ -407,6 +407,30 @@ JNIEXPORT jint JNICALL Java_jpwr_rt_Gdh_getCircBuffInfo
 JNIEXPORT jint JNICALL Java_jpwr_rt_Gdh_updateCircBuffInfo
   (JNIEnv *, jobject, jobject, jint);
 
+/*
+ * Class:     jpwr_rt_Gdh
+ * Method:    getDsTrend
+ * Signature: (Ljava/lang/String;III)Ljpwr/rt/GdhrGetDsTrend;
+ */
+JNIEXPORT jobject JNICALL Java_jpwr_rt_Gdh_getDsTrend
+(JNIEnv *, jobject, jstring, jint, jint, jint);
+
+/*
+ * Class:     jpwr_rt_Gdh
+ * Method:    getSevItemInfo
+ * Signature: (Ljava/lang/String;)Ljpwr/rt/GdhrSevItemInfo;
+ */
+JNIEXPORT jobject JNICALL Java_jpwr_rt_Gdh_getSevItemInfo
+(JNIEnv *, jobject, jstring);
+
+/*
+ * Class:     jpwr_rt_Gdh
+ * Method:    getSevItemData
+ * Signature: (Ljava/lang/String;Ljpwr/rt/PwrtObjid;Ljava/lang/String;FI)Ljpwr/rt/GdhrSevItemData;
+ */
+JNIEXPORT jobject JNICALL Java_jpwr_rt_Gdh_getSevItemData
+(JNIEnv *, jobject, jstring, jobject, jstring, jfloat, jint);
+
 #ifdef __cplusplus
 }
 #endif

java/jpwr/rt/src/Gdh.java

@@ -700,6 +700,21 @@ public class Gdh {
     */
     public native int updateCircBuffInfo(CircBuffInfo[] info, int info_size);
     //  public native GdhrGetXttObj[] getAllXttChildrenNative(PwrtObjid objid);
+    /**
+       Get data from a DsTrend.
+    */
+    public native GdhrGetDsTrend getDsTrend(String jstrend_object, int last_next_idx, 
+					    int last_buffer, int max_size);
+    /**
+       Get info of a sevhist object.
+    */
+    public native GdhrSevItemInfo getSevItemInfo(String jsevhist_object);
+    /**
+       Get data from a sevhist item.
+    */
+    public native GdhrSevItemData getSevItemData(String jserver, PwrtObjid oid, 
+						 String jattribute, float timerange, 
+						 int max_size);
 }
 
 

java/jpwr/rt/src/GdhWebSocketServer.java

@@ -128,6 +128,11 @@ public class GdhWebSocketServer
   public final static int MH_SYNC = 66;
   public final static int MH_ACK = 67;
   public final static int GET_OBJECT_FROM_AREF = 68;
+  public final static int GET_DSTREND = 69;
+  public final static int GET_DSTRENDCURVE_INFO = 70;
+  public final static int GET_DSTRENDCURVE_BUFFER = 71;
+  public final static int GET_SEVHIST_INFO = 72;
+  public final static int GET_SEVHIST_DATA = 73;
 
   public final static int GET_OP_SELF = 1;
   public final static int GET_OP_METHOD_PLC = 2;
@@ -142,7 +147,6 @@ public class GdhWebSocketServer
   public final static int __UNREFED = 0;
 
   static ArrayList<SubElement> subscriptions = new ArrayList<SubElement>();
-  //static ArrayList subscriptions = new ArrayList();
 
   static int subscriptionCount = 0;
 
@@ -165,6 +169,52 @@ public class GdhWebSocketServer
 
   static int lastIndexReffed = 0;
 
+  static class CbInfoElem {
+      int id;
+      int threadNumber;
+      int buffCnt;
+      CircBuffInfo[] cbInfo;
+
+      public CbInfoElem(int id, int threadNumber, int buffCnt, CircBuffInfo[] cbInfo) {
+	  this.id = id;
+	  this.threadNumber = threadNumber;
+	  this.buffCnt = buffCnt;
+	  this.cbInfo = cbInfo;
+      }
+      public int getId() {
+	  return id;
+      }
+      public int getThreadNumber() {
+	  return threadNumber;
+      }
+      public CircBuffInfo[] getCbInfo() {
+	  return cbInfo;
+      }
+  };      
+
+  Vector<CbInfoElem> cbInfoList = new Vector<CbInfoElem>();
+  int cbInfoCnt = 0;
+  void cbInfoAdd(int id, int threadNumber, int buffCnt, CircBuffInfo[] cbInfo) {
+      cbInfoList.add(new CbInfoElem(id, threadNumber, buffCnt, cbInfo));
+  }
+  void cbInfoShow() {
+      for (int i = 0; i < cbInfoList.size(); i++)
+	  System.out.println(i + " id " + cbInfoList.get(i).getId() + " thread " + cbInfoList.get(i).getThreadNumber());
+  }
+  void cbInfoRemove(int threadNumber) {
+      for (int i = 0; i < cbInfoList.size(); i++) {
+	  if (cbInfoList.get(i).getThreadNumber() == threadNumber)
+	      cbInfoList.remove(i--);
+      }
+  }
+  CbInfoElem cbInfoGet(int id) {
+      for (int i = 0; i < cbInfoList.size(); i++) {
+	  if (cbInfoList.get(i).getId() == id)
+	      return cbInfoList.get(i);
+      }
+      return null;
+  }
+
   class WebButton {
       public static final int GRAPH = 0;
       public static final int LINK = 1;
@@ -564,6 +614,9 @@ public class GdhWebSocketServer
       catch(IOException e) {
 	  errh.error("DataStream failed");
 	  connectionOccupied[threadNumber] = false;
+	  cbInfoRemove(threadNumber);
+	  if (debug)
+	      cbInfoShow();
 	  threadCount--;
 	  setCurrentConnections(threadCount);
 	  return;
@@ -616,6 +669,9 @@ public class GdhWebSocketServer
 		      timer.cancel();
 
 		  connectionOccupied[threadNumber] = false;
+		  cbInfoRemove(threadNumber);
+		  if (debug)
+		      cbInfoShow();
 		  threadCount--;
 		  setCurrentConnections(threadCount);
 		  return;
@@ -2805,6 +2861,619 @@ public class GdhWebSocketServer
 		  }
 		  break;
 	      }
+	      case GET_DSTREND: {
+		  int sts = 123;
+		  int refsize = 0;
+		  int j;
+		  int last_idx;
+		  int last_buffer;
+		  int max_size;
+		  int len;
+
+		  int i = 6;
+		  last_idx = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8);
+		  i += 2;
+		  last_buffer = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8);
+		  i += 2;
+		  max_size = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8);
+		  i += 2;
+		  len = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8);
+		  i += 2;
+		  String dstrend = new String( value, i, len); 
+
+		  GdhrGetDsTrend ret = gdh.getDsTrend(dstrend, last_idx, last_buffer,
+						      max_size);
+
+		  refsize += 4;
+		  refsize += 4;
+		  if (ret.oddSts()) {
+		      refsize += 2;
+		      refsize += 2;
+		      refsize += 2;
+		      refsize += 4 * ret.size;
+		  }
+
+		  byte[] msg;
+		  int jstart;
+		  if ( refsize + 13 < 125) {
+		      jstart = 15;
+		      msg = new byte[15 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)(13 + refsize);
+		      j = 2;
+		  }
+		  else {
+		      jstart = 17;
+		      msg = new byte[17 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)126;
+		      msg[2] = (byte)(((13 + refsize) >> 8) & 0xFF);
+		      msg[3] = (byte)((13 + refsize) & 0xFF);
+		      j = 4;
+		  }		      
+		  msg[j++] = GET_DSTREND;
+		  msg[j++] = (byte)(id >> 24);
+		  msg[j++] = (byte)((id >> 16) & 0xFF);
+		  msg[j++] = (byte)((id >> 8) & 0xFF);
+		  msg[j++] = (byte)(id & 0xFF);
+		  msg[j++] = (byte)(sts >> 24);
+		  msg[j++] = (byte)((sts >> 16) & 0xFF);
+		  msg[j++] = (byte)((sts >> 8) & 0xFF);
+		  msg[j++] = (byte)(sts & 0xFF);
+
+		  if (ret.oddSts()) {
+		      ByteBuffer bb = ByteBuffer.wrap( msg);
+		      
+		      bb.putShort( j, (short)ret.last_next_idx);
+		      j += 2;
+		      bb.putShort( j, (short)ret.last_buffer);
+		      j += 2;
+		      bb.putShort( j, (short)ret.size);
+		      j += 2;
+
+		      for ( i = 0; i < ret.size; i++) {
+			  bb.putFloat(j, ret.data[i]);
+			  j += 4;
+		      }
+		  }
+		  try {
+		      out.write( msg);
+		      out.flush();
+		  }
+		  catch(IOException e) {
+		      System.out.println("GetDsTrend failed" + e.toString());
+		  }
+		  break;
+	      }
+	      case GET_DSTRENDCURVE_INFO: {
+		  int sts = 123;
+		  int refsize = 0;
+		  int j;
+		  int len;
+		  float displayTime = 0;
+		  float displayUpdateTime = 0;
+		  float scanTime = 0;
+		  int noOfSample = 0;
+		  int displayResolution = 0;
+		  int timeResolution = 0;
+		  int elementType = 0;
+		  int cbid;
+		  PwrtAttrRef aref = null;
+		  CdhrFloat fret;
+		  CdhrInt iret;
+		  CdhrString sret;
+		  CdhrAttrRef aret;
+		  int buffCnt = 0;
+
+		  int i = 6;
+		  len = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8);
+		  i += 2;
+		  String name = new String( value, i, len);
+
+ 		  CircBuffInfo[] cb_info = new CircBuffInfo[2];
+
+
+		  if ((sts & 1) == 1) {
+		      fret = gdh.getObjectInfoFloat( name + ".DisplayTime");
+		      if ( fret.evenSts())
+			  sts = fret.getSts();
+		      else
+			  displayTime = fret.value;
+		  }
+
+		  if ((sts & 1) == 1) {
+		      fret = gdh.getObjectInfoFloat( name + ".DisplayUpdateTime");
+		      if ( fret.evenSts())
+			  sts = fret.getSts();
+		      else
+			  displayUpdateTime = fret.value;
+		  }
+
+		  if ((sts & 1) == 1) {
+		      fret = gdh.getObjectInfoFloat(name + ".ScanTime");
+		      if ( fret.evenSts())
+			  sts = fret.getSts();
+		      else
+			  scanTime = fret.value;
+		  }
+
+		  if ((sts & 1) == 1) {
+		      iret = gdh.getObjectInfoInt(name + ".NoOfSample");
+		      if ( iret.evenSts())
+			  sts = iret.getSts();
+		      else
+			  noOfSample = iret.value;
+		  }
+
+		  if ((sts & 1) == 1) {
+		      iret = gdh.getObjectInfoInt(name + ".DisplayResolution");
+		      if ( iret.evenSts())
+			  sts = iret.getSts();
+		      else
+			  displayResolution = iret.value;
+		  }
+
+		  if ((sts & 1) == 1) {
+		      iret = gdh.getObjectInfoInt(name + ".TimeResolution");
+		      if ( iret.evenSts())
+			  sts = iret.getSts();
+		      else
+			  timeResolution = iret.value;
+		  }
+
+		  if ((sts & 1) == 1) {
+		      for (int k = 0; k < 2; k++) {
+			  sret = gdh.getObjectInfoString( name + ".Buffers[" + k + "]");
+			  if ( sret.evenSts())
+			      sts = sret.getSts();
+			  else if (sret.str.equals(""))
+			      sts = 0;
+
+			  if ((sts & 1) == 1) {
+			      aret = gdh.nameToAttrRef(sret.str);
+			      if ( aret.evenSts())
+				  sts = sret.getSts();
+			      else
+				  aref = aret.aref;
+			  }
+			  
+			  if ((sts & 1) == 1) {
+			      iret = gdh.getObjectInfoInt(name + ".AttributeType[" + k + "]");
+			      if ( iret.evenSts())
+				  sts = iret.getSts();
+			      else
+				  elementType = iret.value;
+			  }
+			  if ((sts & 1) != 1) {
+			      if (buffCnt == 0)
+				  break;
+			      else {
+				  sts = 1;
+				  break;
+			      }
+			  }
+
+			  cb_info[buffCnt] = new CircBuffInfo();
+			  cb_info[buffCnt].circAref = aref;
+			  cb_info[buffCnt].resolution = displayResolution;
+			  cb_info[buffCnt].elementType = elementType;
+			  cb_info[buffCnt].samples = noOfSample;
+			  buffCnt++;			  
+		      }
+		  }
+
+		  cbid = cbInfoCnt++;
+		  cbInfoAdd(cbid, threadNumber, buffCnt, cb_info);
+		  if (debug)
+		      cbInfoShow();
+		  
+		  refsize += 4;
+		  refsize += 4;
+		  if ((sts & 1) == 1) {
+		      refsize += 4;
+		      refsize += 4;
+		      refsize += 4;
+		      refsize += 4;
+		      refsize += 4;
+		      refsize += 4;
+		      refsize += 4;
+		      for (int k = 0; k < buffCnt; k++)
+			  refsize += 4;
+		  }
+
+		  byte[] msg;
+		  int jstart;
+		  if ( refsize + 13 < 125) {
+		      jstart = 15;
+		      msg = new byte[15 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)(13 + refsize);
+		      j = 2;
+		  }
+		  else {
+		      jstart = 17;
+		      msg = new byte[17 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)126;
+		      msg[2] = (byte)(((13 + refsize) >> 8) & 0xFF);
+		      msg[3] = (byte)((13 + refsize) & 0xFF);
+		      j = 4;
+		  }		      
+		  msg[j++] = GET_DSTRENDCURVE_INFO;
+		  msg[j++] = (byte)(id >> 24);
+		  msg[j++] = (byte)((id >> 16) & 0xFF);
+		  msg[j++] = (byte)((id >> 8) & 0xFF);
+		  msg[j++] = (byte)(id & 0xFF);
+		  msg[j++] = (byte)(sts >> 24);
+		  msg[j++] = (byte)((sts >> 16) & 0xFF);
+		  msg[j++] = (byte)((sts >> 8) & 0xFF);
+		  msg[j++] = (byte)(sts & 0xFF);
+
+		  if ((sts & 1) == 1) {
+		      ByteBuffer bb = ByteBuffer.wrap( msg);
+		      bb.putInt( j, cbid);
+		      j += 4;
+		      bb.putInt( j, displayResolution);
+		      j += 4;
+		      bb.putInt( j, noOfSample);
+		      j += 4;
+		      bb.putFloat( j, displayUpdateTime);
+		      j += 4;
+		      bb.putFloat( j, displayTime);
+		      j += 4;
+		      bb.putFloat( j, scanTime);
+		      j += 4;
+		      bb.putInt( j, buffCnt);
+		      j += 4;
+		      for (int k = 0; k < buffCnt; k++) {
+			  bb.putInt( j, cb_info[k].elementType);
+			  j += 4;
+		      }
+		  }
+		  try {
+		      out.write( msg);
+		      out.flush();
+		  }
+		  catch(IOException e) {
+		      System.out.println("GetDsTrend failed" + e.toString());
+		  }
+		  break;
+	      }
+	      case GET_DSTRENDCURVE_BUFFER: {
+		  int sts = 123;
+		  int refsize = 0;
+		  int j, k;
+		  int elementtype = 0;
+		  int samples;
+		  int len;
+		  int cbid;
+		  int update;
+
+		  int i = 6;
+
+		  cbid = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8) + ((value[i+2] & 0xFF) << 16) + ((value[i+3] & 0xFF) << 24);
+		  i += 4;
+		  samples = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8) + ((value[i+2] & 0xFF) << 16) + ((value[i+3] & 0xFF) << 24);
+		  i += 4;
+		  update = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8) + ((value[i+2] & 0xFF) << 16) + ((value[i+3] & 0xFF) << 24);
+		  i += 4;
+
+		  CbInfoElem elem = cbInfoGet(cbid);
+		  if (elem == null)
+		      sts = 0;
+		  if ((sts & 1) == 1) {
+		      for (k = 0; k < elem.buffCnt; k++) {
+			  if (samples < elem.cbInfo[k].samples)
+			      elem.cbInfo[k].samples = samples;
+		      }
+		      if (update == 0) {
+			  for (k = 0; k < elem.buffCnt; k++) 
+			      gdh.getCircBuffInfo(elem.cbInfo[k]);
+		      }
+		      else {
+			  gdh.updateCircBuffInfo(elem.cbInfo, elem.buffCnt);
+		      }
+		      for (k = 0; k < elem.buffCnt; k++) {
+			  if  ((sts & 1) != 1)
+			      sts = elem.cbInfo[k].status;
+		      }
+		  }
+
+		  refsize += 4;
+		  refsize += 4;
+		  if ((sts & 1) == 1) {
+		      refsize += 4;
+		      for (k = 0; k < elem.buffCnt; k++) {
+			  refsize += 4;
+			  refsize += 4;
+			  refsize += 4 * elem.cbInfo[k].size;
+		      }
+		  }
+
+		  byte[] msg;
+		  int jstart;
+		  if ( refsize + 13 < 125) {
+		      jstart = 15;
+		      msg = new byte[15 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)(13 + refsize);
+		      j = 2;
+		  }
+		  else {
+		      jstart = 17;
+		      msg = new byte[17 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)126;
+		      msg[2] = (byte)(((13 + refsize) >> 8) & 0xFF);
+		      msg[3] = (byte)((13 + refsize) & 0xFF);
+		      j = 4;
+		  }		      
+		  msg[j++] = GET_DSTRENDCURVE_BUFFER;
+		  msg[j++] = (byte)(id >> 24);
+		  msg[j++] = (byte)((id >> 16) & 0xFF);
+		  msg[j++] = (byte)((id >> 8) & 0xFF);
+		  msg[j++] = (byte)(id & 0xFF);
+		  msg[j++] = (byte)(sts >> 24);
+		  msg[j++] = (byte)((sts >> 16) & 0xFF);
+		  msg[j++] = (byte)((sts >> 8) & 0xFF);
+		  msg[j++] = (byte)(sts & 0xFF);
+
+		  if ((sts & 1) == 1) {
+		      ByteBuffer bb = ByteBuffer.wrap( msg);
+		      
+		      bb.putInt(j, elem.buffCnt);
+		      j += 4;
+		      for (k = 0; k < elem.buffCnt; k++) {
+			  bb.putInt(j, elem.cbInfo[k].size);
+			  j += 4;
+			  bb.putInt(j, elem.cbInfo[k].elementType);
+			  j += 4;
+			  switch (elem.cbInfo[k].elementType) {
+			  case Pwr.eType_Float32:
+			      for ( i = 0; i < elem.cbInfo[k].size; i++) {
+				  bb.putFloat(j, ((float[])elem.cbInfo[k].bufp)[i]);
+				  j += 4;			  
+				  //System.out.println("Value " + i + " " + ((float[])elem.cbInfo[k].bufp)[i]);
+			      }
+			      break;
+			  case Pwr.eType_Int32:
+			  case Pwr.eType_UInt32:
+			  case Pwr.eType_Int16:
+			  case Pwr.eType_UInt16:
+			  case Pwr.eType_Int8:
+			  case Pwr.eType_UInt8:
+			  case Pwr.eType_Boolean:
+			      for ( i = 0; i < elem.cbInfo[k].size; i++) {
+				  bb.putInt(j, ((int[])elem.cbInfo[k].bufp)[i]);
+				  j += 4;			  
+			      }
+			      break;
+			  default:;
+			  }
+		      }
+		  }
+		  try {
+		      out.write( msg);
+		      out.flush();
+		  }
+		  catch(IOException e) {
+		      System.out.println("GetDsTrendCurveBuffer failed" + e.toString());
+		  }
+		  break;
+	      }
+	      case GET_SEVHIST_DATA: {
+		  int sts = 123;
+		  int refsize = 0;
+		  int j, k;
+		  int elementtype = 0;
+		  int len;
+		  float timerange;
+		  int max_size;
+		  PwrtObjid oid = new PwrtObjid(0,0);
+
+		  int i = 6;
+
+                  timerange = Float.intBitsToFloat(((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8) + ((value[i+2] & 0xFF) << 16) + ((value[i+3] & 0xFF) << 24));
+		  i += 4;
+		  max_size = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8) + ((value[i+2] & 0xFF) << 16) + ((value[i+3] & 0xFF) << 24);
+		  i += 4;
+		  oid.vid = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8) + ((value[i+2] & 0xFF) << 16) + ((value[i+3] & 0xFF) << 24);
+		  i += 4;
+		  oid.oix = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8) + ((value[i+2] & 0xFF) << 16) + ((value[i+3] & 0xFF) << 24);
+		  i += 4;
+		  len = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8);
+		  i += 2;
+		  String server = new String( value, i, len); 
+		  i += len;
+		  len = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8);
+		  i += 2;
+		  String attribute = new String( value, i, len); 
+		  i += len;
+
+		  GdhrSevItemData ret = gdh.getSevItemData(server, oid, attribute, timerange, max_size);
+		  sts = ret.getSts();
+
+		  //float[] tbuf = {0f, 10f, 20f, 30f, 40f, 50f, 60f, 70f, 80f, 90f, 100f};
+		  //float[] vbuf = {0f, 15.5f, 22.22f, 33.3f, 88f, 77f, 66f, 33f, 44f, 55f, 22f};
+
+		  refsize += 4;
+		  refsize += 4;
+		  if ((sts & 1) == 1) {
+		      refsize += 4;
+		      refsize += 4;
+		      refsize += ret.tbuf.length * 4;
+		      switch (ret.vtype) {
+		      case Pwr.eType_Float32:
+			  refsize += ((float[])ret.vbuf).length * 4;
+			  break;
+		      case Pwr.eType_Int32:
+		      case Pwr.eType_UInt32:
+		      case Pwr.eType_Int16:
+		      case Pwr.eType_UInt16:
+		      case Pwr.eType_Int8:
+		      case Pwr.eType_UInt8:
+		      case Pwr.eType_Boolean:
+			  refsize += ((int[])ret.vbuf).length * 4;
+			  break;
+		      }
+		      //refsize++; // To avoid disconnect
+		  }
+		  byte[] msg;
+		  int jstart;
+		  if ( refsize + 13 < 125) {
+		      jstart = 15;
+		      msg = new byte[15 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)(13 + refsize);
+		      j = 2;
+		  }
+		  else {
+		      refsize++; // To avoid disconnect
+		      jstart = 17;
+		      msg = new byte[17 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)126;
+		      msg[2] = (byte)(((13 + refsize) >> 8) & 0xFF);
+		      msg[3] = (byte)((13 + refsize) & 0xFF);
+		      j = 4;
+		  }		      
+		  msg[j++] = GET_SEVHIST_DATA;
+		  msg[j++] = (byte)(id >> 24);
+		  msg[j++] = (byte)((id >> 16) & 0xFF);
+		  msg[j++] = (byte)((id >> 8) & 0xFF);
+		  msg[j++] = (byte)(id & 0xFF);
+		  msg[j++] = (byte)(sts >> 24);
+		  msg[j++] = (byte)((sts >> 16) & 0xFF);
+		  msg[j++] = (byte)((sts >> 8) & 0xFF);
+		  msg[j++] = (byte)(sts & 0xFF);
+
+		  if ((sts & 1) == 1) {
+		      ByteBuffer bb = ByteBuffer.wrap( msg);
+		      
+		      bb.putInt(j, ret.vtype);
+		      j += 4;
+		      bb.putInt(j, ret.tbuf.length);
+		      j += 4;
+		      for (k = 0; k < ret.tbuf.length; k++) {
+			  bb.putFloat(j, ret.tbuf[k]);
+			  j += 4;			  
+			  //System.out.println("Time  " + k + " " + ret.tbuf[k]);
+		      }
+		      switch (ret.vtype) {
+		      case Pwr.eType_Float32:
+			  for (k = 0; k < ((float[])ret.vbuf).length; k++) {
+			      bb.putFloat(j, ((float[])ret.vbuf)[k]);
+			      j += 4;			  
+			  }
+			  //System.out.println("Send " + sts + " " + ((float[])ret.vbuf).length);
+			  break;
+		      case Pwr.eType_Int32:
+		      case Pwr.eType_UInt32:
+		      case Pwr.eType_Int16:
+		      case Pwr.eType_UInt16:
+		      case Pwr.eType_Int8:
+		      case Pwr.eType_UInt8:
+		      case Pwr.eType_Boolean:
+			  for (k = 0; k < ((int[])ret.vbuf).length; k++) {
+			      bb.putInt(j, ((int[])ret.vbuf)[k]);
+			      j += 4;			  
+			      //System.out.println("Value " + k + " " + ((int[])ret.vbuf)[k]);
+			  }
+			  System.out.println("Send " + sts + " " + ((int[])ret.vbuf).length);
+			  break;
+		      }
+		  }
+		  try {
+		      out.write( msg);
+		      out.flush();
+		  }
+		  catch(IOException e) {
+		      System.out.println("GetSevHistBuffer failed" + e.toString());
+		  }
+		  break;
+	      }
+	      case GET_SEVHIST_INFO: {
+		  int sts = 123;
+		  int refsize = 0;
+		  int j, k;
+		  int elementtype = 0;
+		  int len;
+		  float timerange;
+		  int max_size;
+
+		  int i = 6;
+
+		  len = ((value[i] & 0xFF) << 0) + ((value[i+1] & 0xFF) << 8);
+		  i += 2;
+		  String sevhist_object = new String( value, i, len); 
+		  i += len;
+
+		  GdhrSevItemInfo ret = gdh.getSevItemInfo(sevhist_object);
+		  sts = ret.getSts();
+
+		  refsize += 4;
+		  refsize += 4;
+		  if ((sts & 1) == 1) {
+		      refsize += 8;
+		      refsize += 2;
+		      refsize += ret.attr.length();
+		      refsize += 2;
+		      refsize += ret.server.length();
+		  }
+
+		  byte[] msg;
+		  int jstart;
+		  if ( refsize + 13 < 125) {
+		      jstart = 15;
+		      msg = new byte[15 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)(13 + refsize);
+		      j = 2;
+		  }
+		  else {
+		      jstart = 17;
+		      msg = new byte[17 + refsize];
+		      msg[0] = (byte)130;
+		      msg[1] = (byte)126;
+		      msg[2] = (byte)(((13 + refsize) >> 8) & 0xFF);
+		      msg[3] = (byte)((13 + refsize) & 0xFF);
+		      j = 4;
+		  }		      
+		  msg[j++] = GET_SEVHIST_INFO;
+		  msg[j++] = (byte)(id >> 24);
+		  msg[j++] = (byte)((id >> 16) & 0xFF);
+		  msg[j++] = (byte)((id >> 8) & 0xFF);
+		  msg[j++] = (byte)(id & 0xFF);
+		  msg[j++] = (byte)(sts >> 24);
+		  msg[j++] = (byte)((sts >> 16) & 0xFF);
+		  msg[j++] = (byte)((sts >> 8) & 0xFF);
+		  msg[j++] = (byte)(sts & 0xFF);
+
+		  if ((sts & 1) == 1) {
+		      ByteBuffer bb = ByteBuffer.wrap( msg);
+
+		      bb.putInt(j, ret.oid.vid);
+		      j += 4;
+		      bb.putInt(j, ret.oid.oix);
+		      j += 4;
+		      bb.putShort(j, (short)ret.attr.length());
+		      j += 2;
+		      for (k = 0; k < ret.attr.length(); k++)
+			  bb.put( j++, (byte)ret.attr.charAt(k));
+		      bb.putShort(j, (short)ret.server.length());
+		      j += 2;
+		      for (k = 0; k < ret.server.length(); k++)
+			  bb.put( j++, (byte)ret.server.charAt(k));
+		  }
+		  try {
+		      out.write( msg);
+		      out.flush();
+		  }
+		  catch(IOException e) {
+		      System.out.println("GetSevHistInfo failed" + e.toString());
+		  }
+		  break;
+	      }
 	      default:
 		  System.out.println("Unknown function code received: " + value[0]);
 	      }
@@ -2844,6 +3513,9 @@ public class GdhWebSocketServer
 	  this.trimRefObjectList();
 
 	  connectionOccupied[threadNumber] = false;
+	  cbInfoRemove(threadNumber);
+	  if (debug)
+	      cbInfoShow();
 	  threadCount--;	  
 	  setCurrentConnections(threadCount);
 	  System.out.println("ServerSocket IOException " + e.toString());

java/jpwr/rt/src/GdhrGetDsTrend.java

+/* 
+ * ProviewR   Open Source Process Control.
+ * Copyright (C) 2005-2020 SSAB EMEA AB.
+ *
+ * This file is part of ProviewR.
+ *
+ * This program is free software; you can redistribute it and/or 
+ * modify it under the terms of the GNU General Public License as 
+ * published by the Free Software Foundation, either version 2 of 
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License 
+ * along with ProviewR. If not, see <http://www.gnu.org/licenses/>
+ *
+ * Linking ProviewR statically or dynamically with other modules is
+ * making a combined work based on ProviewR. Thus, the terms and
+ * conditions of the GNU General Public License cover the whole 
+ * combination.
+ *
+ * In addition, as a special exception, the copyright holders of
+ * ProviewR give you permission to, from the build function in the
+ * ProviewR Configurator, combine ProviewR with modules generated by the
+ * ProviewR PLC Editor to a PLC program, regardless of the license
+ * terms of these modules. You may copy and distribute the resulting
+ * combined work under the terms of your choice, provided that every 
+ * copy of the combined work is accompanied by a complete copy of 
+ * the source code of ProviewR (the version used to produce the
+ * combined work), being distributed under the terms of the GNU 
+ * General Public License plus this exception.
+ */
+
+package jpwr.rt;
+import java.io.Serializable;
+
+/**
+   Return class for functions returning cicular buffer information.
+   Contains a return status and circular buffer information.
+*/
+public class GdhrGetDsTrend implements Serializable
+{
+    private static final long serialVersionUID = -2632525127459438144L;
+    public int sts;
+    public int last_next_idx;
+    public int last_buffer;
+    public int size;
+    public float[] data;
+  
+    public GdhrGetDsTrend(float[] data, int size, int last_next_idx, int last_buffer,
+			  int sts) 
+    {
+	this.data = data; 
+	this.size = size;
+	this.last_next_idx = last_next_idx;
+	this.last_buffer = last_buffer;
+	this.sts = sts;
+    }
+    public boolean evenSts() { return (sts % 2 == 0);}
+    public boolean oddSts() { return (sts % 2 == 1);}
+    public int getSts() { return sts;}
+}

java/jpwr/rt/src/GdhrSevItemData.java

+/* 
+ * ProviewR   Open Source Process Control.
+ * Copyright (C) 2005-2020 SSAB EMEA AB.
+ *
+ * This file is part of ProviewR.
+ *
+ * This program is free software; you can redistribute it and/or 
+ * modify it under the terms of the GNU General Public License as 
+ * published by the Free Software Foundation, either version 2 of 
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License 
+ * along with ProviewR. If not, see <http://www.gnu.org/licenses/>
+ *
+ * Linking ProviewR statically or dynamically with other modules is
+ * making a combined work based on ProviewR. Thus, the terms and
+ * conditions of the GNU General Public License cover the whole 
+ * combination.
+ *
+ * In addition, as a special exception, the copyright holders of
+ * ProviewR give you permission to, from the build function in the
+ * ProviewR Configurator, combine ProviewR with modules generated by the
+ * ProviewR PLC Editor to a PLC program, regardless of the license
+ * terms of these modules. You may copy and distribute the resulting
+ * combined work under the terms of your choice, provided that every 
+ * copy of the combined work is accompanied by a complete copy of 
+ * the source code of ProviewR (the version used to produce the
+ * combined work), being distributed under the terms of the GNU 
+ * General Public License plus this exception.
+ */
+
+package jpwr.rt;
+import java.io.Serializable;
+
+/**
+   Return class for functions returning cicular buffer information.
+   Contains a return status and circular buffer information.
+*/
+public class GdhrSevItemData implements Serializable
+{
+    private static final long serialVersionUID = -650888721059659030L;
+    public int size;
+    public float[] tbuf;
+    public Object vbuf;
+    public int vtype;
+    public int sts;
+  
+    public GdhrSevItemData(int size, float[] tbuf, Object vbuf, int vtype, int sts) 
+    {
+ 	this.size = size; 
+ 	this.tbuf = tbuf; 
+ 	this.vbuf = vbuf; 
+	this.vtype = vtype;
+	this.sts = sts;
+    }
+    public boolean evenSts() { return (sts % 2 == 0);}
+    public boolean oddSts() { return (sts % 2 == 1);}
+    public int getSts() { return sts;}
+}

java/jpwr/rt/src/GdhrSevItemInfo.java

+/* 
+ * ProviewR   Open Source Process Control.
+ * Copyright (C) 2005-2020 SSAB EMEA AB.
+ *
+ * This file is part of ProviewR.
+ *
+ * This program is free software; you can redistribute it and/or 
+ * modify it under the terms of the GNU General Public License as 
+ * published by the Free Software Foundation, either version 2 of 
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License 
+ * along with ProviewR. If not, see <http://www.gnu.org/licenses/>
+ *
+ * Linking ProviewR statically or dynamically with other modules is
+ * making a combined work based on ProviewR. Thus, the terms and
+ * conditions of the GNU General Public License cover the whole 
+ * combination.
+ *
+ * In addition, as a special exception, the copyright holders of
+ * ProviewR give you permission to, from the build function in the
+ * ProviewR Configurator, combine ProviewR with modules generated by the
+ * ProviewR PLC Editor to a PLC program, regardless of the license
+ * terms of these modules. You may copy and distribute the resulting
+ * combined work under the terms of your choice, provided that every 
+ * copy of the combined work is accompanied by a complete copy of 
+ * the source code of ProviewR (the version used to produce the
+ * combined work), being distributed under the terms of the GNU 
+ * General Public License plus this exception.
+ */
+
+package jpwr.rt;
+import java.io.Serializable;
+
+/**
+   Return class for functions returning cicular buffer information.
+   Contains a return status and circular buffer information.
+*/
+public class GdhrSevItemInfo implements Serializable
+{
+    private static final long serialVersionUID = 2932793763480084882L;
+    public PwrtObjid oid;
+    public String attr;
+    public String server;
+    public int sts;
+  
+    public GdhrSevItemInfo(PwrtObjid oid, String attr, String server, int sts) 
+    {
+ 	this.oid = oid; 
+ 	this.attr = attr; 
+ 	this.server = server; 
+	this.sts = sts;
+    }
+    public boolean evenSts() { return (sts % 2 == 0);}
+    public boolean oddSts() { return (sts % 2 == 1);}
+    public int getSts() { return sts;}
+}

java/jpwr/rt/src/makefile

@@ -36,6 +36,9 @@ local_java_sources = \
 	GdhrsAttrDef.java \
 	CircBuffInfo.java \
 	GdhrCircBuffInfo.java \
+	GdhrGetDsTrend.java \
+	GdhrSevItemInfo.java \
+	GdhrSevItemData.java \
 	GdhApplIfc.java \
 	Gdh.java \
         Sub.java \

java/jsw/cmn/src/gdh.jsi

@@ -160,7 +160,12 @@ function Gdh() {
     GET_OBJECT_FROM_NAME       	: 65,
     MH_SYNC			: 66,
     MH_ACK			: 67,
-    GET_OBJECT_FROM_AREF       	: 68
+    GET_OBJECT_FROM_AREF       	: 68,
+    GET_DSTREND		       	: 69,
+    GET_DSTRENDCURVE_INFO       : 70,
+    GET_DSTRENDCURVE_BUFFER     : 71,
+    GET_SEVHIST_INFO    	: 72,
+    GET_SEVHIST_DATA    	: 73
   };
 
   this.debug = false;
@@ -830,6 +835,226 @@ function Gdh() {
 	    delete this.gdh.pending[id];
 	    break;
 	  }
+	  case Msg.GET_DSTREND: {
+	    var j = 9;
+	    var last_idx = dv.getUint16(j);
+	    j += 2;
+	    var last_buffer = dv.getUint16(j);
+	    j += 2;
+	    var size = dv.getUint16(j);
+	    if ( this.gdh.debug) console.log("GetDsTrend received", id, size, last_idx);
+	    j += 2;
+	    value = new Array(size);
+	    for ( var k = 0; k < size; k++) {
+	      value[k] = dv.getFloat32(j);
+	      j += 4;
+            }
+	    var result = []
+	    result[0] = last_idx;
+	    result[1] = last_buffer;
+	    result[2] = size;
+            result[3] = value;
+	    var pending_data = this.gdh.pending[id];
+	    pending_data.func_cb( id, pending_data.data, sts, result);
+	    delete this.gdh.pending[id];
+	    break;
+	  }
+	  case Msg.GET_DSTRENDCURVE_INFO: {
+	    var j = 9;
+	    var cbid = dv.getUint32(j);	      
+	    j += 4;
+	    var resolution = dv.getUint32(j);
+	    j += 4;
+	    var samples = dv.getUint32(j);
+	    j += 4;
+	    var displayupdatetime = dv.getFloat32(j);
+	    j += 4;
+	    var displaytime = dv.getFloat32(j);
+	    j += 4;
+	    var scantime = dv.getFloat32(j);
+	    j += 4;
+	    var buffcnt = dv.getUint32(j);
+	    j += 4;
+	    var elementtype1 = dv.getUint32(j);
+	    j += 4;
+	    if (buffcnt > 1) {
+	      var elementtype1 = dv.getUint32(j);
+	      j += 4;
+            }
+
+	    if ( this.gdh.debug) console.log("GetDsTrendCurveInfo received", id, size);
+	    var result = []
+	    result[0] = cbid;
+	    result[1] = resolution;
+	    result[2] = samples;
+            result[3] = displayupdatetime;
+            result[4] = displaytime;
+            result[5] = scantime;
+	    result[6] = buffcnt;
+            result[7] = elementtype1;
+	    if (buffcnt > 1)
+	      result[8] = elementtype2;
+	    var pending_data = this.gdh.pending[id];
+	    pending_data.func_cb( id, pending_data.data, sts, result);
+	    delete this.gdh.pending[id];
+	    break;
+	  }
+	  case Msg.GET_DSTRENDCURVE_BUFFER: {
+	    var result = []
+	    if ( sts & 1) {
+	      var buffcnt;
+	      var size1;
+              var size2;
+              var elementtype1;
+	      var elementtype2
+	      var value1;
+	      var value2;
+	      var i;
+	      var j = 9;
+ 	      buffcnt = dv.getUint32(j);
+	      j += 4;
+	      size1 = dv.getUint32(j);
+	      j += 4;
+ 	      elementtype1 = dv.getUint32(j);
+	      j += 4;
+	      value1 = new Array(size1);
+	      switch (elementtype1) {
+              case Pwr.eType_Float32:
+	        for ( var k = 0; k < size1; k++) {
+	          value1[k] = dv.getFloat32(j);
+	          j += 4;
+                }
+		break;
+	      case Pwr.eType_Int8:
+	      case Pwr.eType_Int16:
+	      case Pwr.eType_Int32:
+	      case Pwr.eType_UInt8:
+	      case Pwr.eType_UInt16:
+	      case Pwr.eType_UInt32:
+	        for ( var k = 0; k < size1; k++) {
+	          value1[k] = dv.getInt32(j);
+	          j += 4;
+                }
+	        break;
+	      }
+	      if (buffcnt > 1) {
+	        size2 = dv.getUint32(j);
+	        j += 4;
+ 	        elementtype2 = dv.getUint32(j);
+	        j += 4;
+	        value2 = new Array(size2);
+	        switch (elementtype2) {
+                case Pwr.eType_Float32:
+	          for ( var k = 0; k < size2; k++) {
+	            value2[k] = dv.getFloat32(j);
+	            j += 4;
+                  }
+		  break;
+	        case Pwr.eType_Int8:
+	        case Pwr.eType_Int16:
+	        case Pwr.eType_Int32:
+	        case Pwr.eType_UInt8:
+	        case Pwr.eType_UInt16:
+	        case Pwr.eType_UInt32:
+	        case Pwr.eType_Boolean:
+	          for ( var k = 0; k < size2; k++) {
+	            value2[k] = dv.getInt32(j);
+	            j += 4;
+                  }
+	          break;
+	        }
+              }
+	    
+	      if ( this.gdh.debug) console.log("GetDsTrendCurveBuffer received", id, size);
+	      result[0] = size1;
+	      result[1] = size1;
+	      result[2] = elementtype1;
+	      result[3] = value1;
+	      if (buffcnt > 1) {
+	        result[4] = size2;
+	        result[5] = elementtype2;
+	        result[6] = value2;
+	      }
+            }
+	    var pending_data = this.gdh.pending[id];
+	    pending_data.func_cb( id, pending_data.data, sts, result);
+	    delete this.gdh.pending[id];
+	    break;
+	  }
+	  case Msg.GET_SEVHIST_DATA: {
+	    var j = 9;
+	    var vtype = dv.getUint32(j);
+	    j += 4;
+	    var size = dv.getUint32(j);
+	    j += 4;
+	    var tbuf = new Array(size);
+	    for ( var k = 0; k < size; k++) {
+	      tbuf[k] = dv.getFloat32(j);
+	      j += 4;
+            }
+	    var vbuf = new Array(size);
+
+	    switch (vtype) {
+	    case Pwr.eType_Float32:
+	      for ( var k = 0; k < size; k++) {
+	        vbuf[k] = dv.getFloat32(j);
+	        j += 4;
+              }
+	      break;
+	    case Pwr.eType_Int8:
+	    case Pwr.eType_Int16:
+	    case Pwr.eType_Int32:
+	    case Pwr.eType_UInt8:
+	    case Pwr.eType_UInt16:
+	    case Pwr.eType_UInt32:
+	    case Pwr.eType_Boolean:
+	      for ( var k = 0; k < size; k++) {
+	        vbuf[k] = dv.getInt32(j);
+	        j += 4;
+              }
+	      break;
+            }
+	    var result = []
+	    result[0] = vtype;
+	    result[1] = size;
+	    result[2] = tbuf;
+	    result[3] = vbuf;
+	    var pending_data = this.gdh.pending[id];
+	    pending_data.func_cb( id, pending_data.data, sts, result);
+	    delete this.gdh.pending[id];
+	    break;
+	  }
+	  case Msg.GET_SEVHIST_INFO: {
+	    var j = 9;
+	    var oid = new PwrtObjid(0,0);
+	    oid.vid = dv.getUint32(j);	      
+	    j += 4;
+	    oid.oix = dv.getUint32(j);	      
+	    j += 4;
+	    var len = dv.getUint16(j);
+	    j += 2;
+	    var iarr = new Uint8Array( len);
+	    for ( var k = 0; k < len; k++) {
+              iarr[k] = dv.getUint8(j++);
+	    }
+	    var attr = String.fromCharCode.apply( null, iarr);
+	    len = dv.getUint16(j);
+	    j += 2;
+	    iarr = new Uint8Array( len);
+	    for ( var k = 0; k < len; k++) {
+              iarr[k] = dv.getUint8(j++);
+	    }
+	    var server = String.fromCharCode.apply( null, iarr);
+
+	    var result = []
+	    result[0] = oid;
+	    result[1] = attr;
+	    result[2] = server;
+	    var pending_data = this.gdh.pending[id];
+	    pending_data.func_cb( id, pending_data.data, sts, result);
+	    delete this.gdh.pending[id];
+	    break;
+	  }
 	  default:
 	    console.log("Unknown message type"); 
 	  }
@@ -1446,5 +1671,137 @@ function Gdh() {
     this.ws.send(buf);
     this.next_id++;
   };
+
+  this.getDsTrend = function( name, last_idx, last_buffer, max_size, return_cb, data) {
+    var buf = new Uint8Array(14 + name.length);
+    buf[0] = Msg.GET_DSTREND;
+    buf[2] = this.next_id & 0xFF;
+    buf[3] = (this.next_id >> 8) & 0xFF;
+    buf[4] = (this.next_id >> 16) & 0xFF;
+    buf[5] = (this.next_id >> 24) & 0xFF;
+    buf[6] = last_idx & 0xFF;
+    buf[7] = (last_idx >> 8) & 0xFF;
+    buf[8] = last_buffer & 0xFF;
+    buf[9] = (last_buffer >> 8) & 0xFF;
+    buf[10] = max_size & 0xFF;
+    buf[11] = (max_size >> 8) & 0xFF;
+    buf[12] = name.length & 0xFF;
+    buf[13] = (name.length >> 8) & 0xFF;
+    var k = 14;
+    for ( var i = 0; i < name.length; i++) {
+      buf[k++] = name.charCodeAt(i);
+    }
+    this.pending[this.next_id] = new PendingData( return_cb, data);
+    if (this.debug) console.log( "Sending getDsTrend", this.next_id, name);
+    this.ws.send(buf);
+    this.next_id++;
+  };
+
+  this.getDsTrendCurveInfo = function( name, return_cb, data) {
+    var buf = new Uint8Array(8 + name.length);
+    buf[0] = Msg.GET_DSTRENDCURVE_INFO;
+    buf[2] = this.next_id & 0xFF;
+    buf[3] = (this.next_id >> 8) & 0xFF;
+    buf[4] = (this.next_id >> 16) & 0xFF;
+    buf[5] = (this.next_id >> 24) & 0xFF;
+    buf[6] = name.length & 0xFF;
+    buf[7] = (name.length >> 8) & 0xFF;
+    var k = 8;
+    for ( var i = 0; i < name.length; i++) {
+      buf[k++] = name.charCodeAt(i);
+    }
+    this.pending[this.next_id] = new PendingData( return_cb, data);
+    if (this.debug) console.log( "Sending getDsTrendCurveInfo", this.next_id, name);
+    this.ws.send(buf);
+    this.next_id++;
+  };
+
+  this.getDsTrendCurveBuffer = function( cbid, samples, update, return_cb, data) {
+    var buf = new Uint8Array(18);
+    buf[0] = Msg.GET_DSTRENDCURVE_BUFFER;
+    buf[2] = this.next_id & 0xFF;
+    buf[3] = (this.next_id >> 8) & 0xFF;
+    buf[4] = (this.next_id >> 16) & 0xFF;
+    buf[5] = (this.next_id >> 24) & 0xFF;
+    buf[6] = cbid & 0xFF;
+    buf[7] = (cbid >> 8) & 0xFF;
+    buf[8] = (cbid >> 16) & 0xFF;
+    buf[9] = (cbid >> 24) & 0xFF;
+    buf[10] = samples & 0xFF;
+    buf[11] = (samples >> 8) & 0xFF;
+    buf[12] = (samples >> 16) & 0xFF;
+    buf[13] = (samples >> 24) & 0xFF;
+    buf[14] = update & 0xFF;
+    buf[15] = (update >> 8) & 0xFF;
+    buf[16] = (update >> 16) & 0xFF;
+    buf[17] = (update >> 24) & 0xFF;
+    this.pending[this.next_id] = new PendingData( return_cb, data);
+    if (this.debug) console.log( "Sending getDsTrendCurveBuffer", this.next_id, samples, update);
+    this.ws.send(buf);
+    this.next_id++;
+  };
+
+  this.getSevHistData = function( timerange, max_size, server, oid, attribute, 
+	return_cb, data) {
+    var buf = new Uint8Array(26 + server.length + attribute.length);
+    buf[0] = Msg.GET_SEVHIST_DATA;
+    buf[2] = this.next_id & 0xFF;
+    buf[3] = (this.next_id >> 8) & 0xFF;
+    buf[4] = (this.next_id >> 16) & 0xFF;
+    buf[5] = (this.next_id >> 24) & 0xFF;
+    var fbuf = new ArrayBuffer(4);
+    var fa = new Float32Array(fbuf);
+    fa[0] = timerange;
+    var ba = new Uint8Array(fbuf);
+    buf[6] = ba[0];
+    buf[7] = ba[1];
+    buf[8] = ba[2];
+    buf[9] = ba[3];
+    buf[10] = max_size & 0xFF;
+    buf[11] = (max_size >> 8) & 0xFF;
+    buf[12] = (max_size >> 16) & 0xFF;
+    buf[13] = (max_size >> 24) & 0xFF;
+    buf[14] = oid.vid & 0xFF;
+    buf[15] = (oid.vid >> 8) & 0xFF;
+    buf[16] = (oid.vid >> 16) & 0xFF;
+    buf[17] = (oid.vid >> 24) & 0xFF;
+    buf[18] = oid.oix & 0xFF;
+    buf[19] = (oid.oix >> 8) & 0xFF;
+    buf[20] = (oid.oix >> 16) & 0xFF;
+    buf[21] = (oid.oix >> 24) & 0xFF;
+    buf[22] = server.length & 0xFF;
+    buf[23] = (server.length >> 8) & 0xFF;
+    var k = 24;
+    for ( var i = 0; i < server.length; i++)
+      buf[k++] = server.charCodeAt(i);
+    buf[k++] = attribute.length & 0xFF;
+    buf[k++] = (attribute.length >> 8) & 0xFF;
+    for ( var i = 0; i < attribute.length; i++)
+      buf[k++] = attribute.charCodeAt(i);
+    
+    this.pending[this.next_id] = new PendingData( return_cb, data);
+    if (this.debug) console.log( "Sending getSevHistData", this.next_id, attribute);
+    this.ws.send(buf);
+    this.next_id++;
+  };
+
+  this.getSevHistInfo = function(sevhist_object, return_cb, data) {
+    var buf = new Uint8Array(8 + sevhist_object.length);
+    buf[0] = Msg.GET_SEVHIST_INFO;
+    buf[2] = this.next_id & 0xFF;
+    buf[3] = (this.next_id >> 8) & 0xFF;
+    buf[4] = (this.next_id >> 16) & 0xFF;
+    buf[5] = (this.next_id >> 24) & 0xFF;
+    buf[6] = sevhist_object.length & 0xFF;
+    buf[7] = (sevhist_object.length >> 8) & 0xFF;
+    var k = 8;
+    for ( var i = 0; i < sevhist_object.length; i++)
+      buf[k++] = sevhist_object.charCodeAt(i);
+    
+    this.pending[this.next_id] = new PendingData( return_cb, data);
+    if (this.debug) console.log( "Sending getSevHistInfo", this.next_sevhist_object);
+    this.ws.send(buf);
+    this.next_id++;
+  };
 }
 /** End Gdh **/

java/jsw/cmn/src/glow.jsi

@@ -37,6 +37,8 @@ var Glow = {
   eType_DynType2		: 22, 
   eType_ActionType2		: 23,
   eType_AppMotion		: 24,
+  eType_Float			: 25,
+  eType_HorizDirection		: 26,
 
   eCtxType_Glow		: 0,
   eCtxType_Brow		: 1,
@@ -125,6 +127,9 @@ var Glow = {
   eDirection_Up			: 3,
   eDirection_Down		: 4,
 
+  eHorizDirection_Left		: 0,
+  eHorizDirection_Right		: 1,
+
   eAdjustment_Center		: 0,
   eAdjustment_Right		: 1,
   eAdjustment_Left		: 2, 
@@ -1270,6 +1275,7 @@ var Glow = {
   eSave_GrowTrend_x_max_value_1 	: 3233,
   eSave_GrowTrend_x_min_value_1 	: 3234,
   eSave_GrowTrend_mode 			: 3235,
+  eSave_GrowTrend_direction 		: 3236,
   eSave_GrowSlider_grownode_part	: 3300,
   eSave_GrowSlider_direction		: 3301,
   eSave_GrowSlider_max_value		: 3302,
@@ -9994,8 +10000,9 @@ function GrowTrend( ctx) {
   this.x_mark2;
   this.y_mark1;
   this.y_mark2;
-  this.mark1_color;
-  this.mark2_color;
+  this.mark1_color = Glow.eDrawType_Inherit;
+  this.mark2_color = Glow.eDrawType_Inherit;
+  this.direction;
 
   for ( var i = 0; i < Glow.TREND_MAX_CURVES; i++)
     this.curve[i] = null;
@@ -10069,6 +10076,9 @@ function GrowTrend( ctx) {
       case Glow.eSave_GrowTrend_curve_width: 
 	this.curve_width = parseInt(tokens[1], 10); 
 	break;
+      case Glow.eSave_GrowTrend_direction: 
+	this.direction = parseInt(tokens[1], 10); 
+	break;
       case Glow.eSave_GrowTrend_scan_time: 
 	this.scan_time = parseFloat( tokens[1]); 
 	break;
@@ -10109,7 +10119,6 @@ function GrowTrend( ctx) {
       if ( end)
 	break;
     }
-
     this.configure_curves();
     return i;
   };    
@@ -10267,7 +10276,7 @@ function GrowTrend( ctx) {
       if ( xm2 >= ll_x && xm2 <= ur_x) {
 	drawtype = this.mark2_color;
 	if ( drawtype == Glow.eDrawType_Inherit)
-	  drawtype = Glow.eDrawType_ColorYellow;
+	  drawtype = Glow.eDrawType_ColorRed;
 	this.ctx.gdraw.line( xm2, ll_y, xm2, ur_y, drawtype, idx, 0);
       }
     }
@@ -10293,12 +10302,14 @@ function GrowTrend( ctx) {
       if ( ym2 >= ll_y && ym2 <= ur_y) {
 	drawtype = this.mark2_color;
 	if ( drawtype == Glow.eDrawType_Inherit)
-	  drawtype = Glow.eDrawType_ColorYellow;
+	  drawtype = Glow.eDrawType_ColorRed;
 	this.ctx.gdraw.line( ll_x, ym2, ur_x, ym2, drawtype, idx, 0);
       }
     }
 
     if ( this.border !== 0) {
+      drawtype = GlowColor.get_drawtype( this.draw_type, Glow.eDrawType_LineHighlight,
+					 highlight, colornode, 0, 0);
       this.ctx.gdraw.rect( ll_x, ll_y, ur_x - ll_x, ur_y - ll_y, drawtype, idx, 0);
     }
   };
@@ -10381,7 +10392,7 @@ function GrowTrend( ctx) {
 	this.y_mark1 = this.ur.y - (mark - min) / (max - min) * (this.ur.y - this.ll.y);
       }
       if ( this.display_y_mark2 !== 0) {
-	mark = this.y_min_value[0] - (this.y_mark2 - ur.y) *(this.y_max_value[0] - this.y_min_value[0]) / (this.ur.y - this.ll.y);
+	mark = this.y_min_value[0] - (this.y_mark2 - this.ur.y) *(this.y_max_value[0] - this.y_min_value[0]) / (this.ur.y - this.ll.y);
 	this.y_mark2 = this.ur.y - (mark - min) / (max - min) * (this.ur.y - this.ll.y);
       }
     }
@@ -10463,6 +10474,100 @@ function GrowTrend( ctx) {
   this.get_background_object_limits = function( t, type, x, y, bo) {
     return 0;
   };
+  this.get_direction = function()  {
+    return this.direction;
+  };
+  this.set_data = function( tdata, vdata, curve_idx, data_points) {
+    var dt, dt_fill;
+    var points;
+    var cpoints;
+    var pointarray;
+    var point_p;
+    var i, j, idx;
+
+    this.no_of_points = Math.max( 2, this.no_of_points);
+    points = cpoints = Math.min( this.no_of_points, data_points);
+    if ( this.fill_curve !== 0)
+      cpoints += 2;
+	
+    this.curve_width = Math.min( Glow.DRAW_TYPE_SIZE, Math.max( 1, this.curve_width));
+	
+    pointarray = new Array(cpoints);
+    j = curve_idx;
+    for ( i = 0, idx = 0; i < cpoints; i++, idx++) {
+      point_p = pointarray[i] = new GlowPointX();
+      if ( this.fill_curve == 0) {
+	idx = i;
+	if ( this.y_max_value[j] != this.y_min_value[j])
+	  point_p.y = this.ur.y - (vdata[idx] - this.y_min_value[j]) / 
+	    (this.y_max_value[j] - this.y_min_value[j]) * (this.ur.y - this.ll.y);
+				
+        point_p.y = Math.max( this.ll.y, Math.min( point_p.y, this.ur.y));	
+		
+	if ( this.direction == Glow.eHorizDirection_Right)
+	  point_p.x = this.ll.x
+            + (tdata[idx] - tdata[0]) / (tdata[points - 1] - tdata[0])
+            * (this.ur.x - this.ll.x);
+        else
+	  point_p.x = this.ur.x
+            - (tdata[idx] - tdata[0]) / (tdata[points - 1] - tdata[0])
+            * (this.ur.x - this.ll.x);
+
+      }
+      else {
+        if ( i == 0) {
+	  if ( this.direction == Glow.eHorizDirection_Right)
+	    point_p.x = this.ll.x;
+          else
+	    point_p.x = this.ur.x;
+          point_p.y = this.ur.y;
+          idx--;
+        } else if (i == cpoints -1) {
+	  if ( this.direction == Glow.eHorizDirection_Right)
+	    point_p.x = this.ur.x;
+          else
+	    point_p.x = this.ll.x;
+          point_p.y = this.ur.y;
+        } else {
+	  if ( this.y_max_value[j] != this.y_min_value[j])
+            point_p.y = this.ur.y
+              - (vdata[idx] - this.y_min_value[j])
+                  / (this.y_max_value[j] - this.y_min_value[j]) * (this.ur.y - this.ll.y);
+
+          point_p.y = Math.max(this.ll.y, Math.min(point_p.y, this.ur.y));
+          if (this.direction == Glow.eHorizDirection_Right)
+	    point_p.x = this.ll.x
+              + (tdata[idx] - tdata[0]) / (tdata[points - 1] - tdata[0])
+	      * (this.ur.x - this.ll.x);
+	  else
+	    point_p.x = this.ur.x
+              - (tdata[idx] - tdata[0]) / (tdata[points - 1] - tdata[0])
+	      * (this.ur.x - this.ll.x);
+        }
+      }
+      point_p++;
+    }
+
+	
+    if ( this.curve_drawtype[j] != Glow.eDrawType_Inherit)
+      dt = this.curve_drawtype[j];
+    else
+      dt = this.draw_type;
+	
+    if ( this.curve_fill_drawtype[j] != Glow.eDrawType_Inherit)
+      dt_fill = this.curve_fill_drawtype[j];
+    else
+      dt_fill = this.draw_type;
+	
+    this.ctx.nodraw++;
+    this.curve[j] = new GrowPolyline( ctx);
+    this.curve[j].init( "", pointarray, cpoints, dt, 
+			this.curve_width,
+			0, this.fill_curve, 1, 0, dt_fill);
+    this.ctx.nodraw--;
+    this.draw();
+
+  };
 }
 
 GrowTrend.prototype = Object.create(GrowRect.prototype);

java/jsw/ge/src/ge.js

@@ -105,6 +105,10 @@ var DynC = {
   mDynType2_DigBackgroundColor  : 1 << 6,
   mDynType2_DigSwap	        : 1 << 7,
   mDynType2_DigScript	        : 1 << 8,
+  mDynType2_RefUpdate	        : 1 << 9,
+  mDynType2_DsTrend	        : 1 << 10,
+  mDynType2_DsTrendCurve        : 1 << 11,
+  mDynType2_SevHist	        : 1 << 12,
 
   mActionType1_No		: 0,
   mActionType1_Inherit		: 1 << 0,
@@ -165,41 +169,44 @@ var DynC = {
   eDynPrio_Trend			: 24,
   eDynPrio_FastCurve			: 25,
   eDynPrio_XY_Curve			: 26,
-  eDynPrio_AnalogText			: 27,
-  eDynPrio_Table			: 28,
-  eDynPrio_SliderBackground	       	: 29,
-  eDynPrio_Video			: 30,
-  eDynPrio_StatusColor	       	: 31,
-  eDynPrio_PopupMenu			: 32,
-  eDynPrio_Confirm			: 33,
-  eDynPrio_SetDig			: 34,
-  eDynPrio_ResetDig			: 35,
-  eDynPrio_ToggleDig			: 36,
-  eDynPrio_StoDig			: 37,
-  eDynPrio_Help			: 38,
-  eDynPrio_OpenGraph			: 39,
-  eDynPrio_OpenURL			: 40,
-  eDynPrio_CommandDoubleClick	       	: 41,
-  eDynPrio_IncrAnalog			: 42,
-  eDynPrio_RadioButton	       	: 43,
-  eDynPrio_Slider			: 44,
-  eDynPrio_TipText			: 45,
-  eDynPrio_PulldownMenu	       	: 46,
-  eDynPrio_OptionMenu			: 47,
-  eDynPrio_InputFocus			: 48,
-  eDynPrio_DigCommand			: 49,
-  eDynPrio_SetValue			: 50,
-  eDynPrio_Pie			: 51,
-  eDynPrio_BarChart			: 52,
-  eDynPrio_Axis			: 53,
-  eDynPrio_MethodToolbar	       	: 54,
-  eDynPrio_MethodPulldownMenu	       	: 55,
-  eDynPrio_ScrollingText	       	: 56,
-  eDynPrio_ColorThemeLightness       	: 57,
-  eDynPrio_DigSwap		       	: 58,
-  eDynPrio_DigScript		       	: 59,
-  eDynPrio_CatchSignal           	: 60,
-  eDynPrio_EmitSignal     	       	: 61,
+  eDynPrio_DsTrend			: 27,
+  eDynPrio_DsTrendCurve			: 28,
+  eDynPrio_SevHist			: 29,
+  eDynPrio_AnalogText			: 30,
+  eDynPrio_Table			: 31,
+  eDynPrio_SliderBackground	       	: 32,
+  eDynPrio_Video			: 33,
+  eDynPrio_StatusColor	       		: 34,
+  eDynPrio_PopupMenu			: 35,
+  eDynPrio_Confirm			: 36,
+  eDynPrio_SetDig			: 37,
+  eDynPrio_ResetDig			: 38,
+  eDynPrio_ToggleDig			: 39,
+  eDynPrio_StoDig			: 40,
+  eDynPrio_Help				: 41,
+  eDynPrio_OpenGraph			: 42,
+  eDynPrio_OpenURL			: 43,
+  eDynPrio_CommandDoubleClick	       	: 44,
+  eDynPrio_IncrAnalog			: 45,
+  eDynPrio_RadioButton	       		: 46,
+  eDynPrio_Slider			: 47,
+  eDynPrio_TipText			: 48,
+  eDynPrio_PulldownMenu	       		: 49,
+  eDynPrio_OptionMenu			: 50,
+  eDynPrio_InputFocus			: 51,
+  eDynPrio_DigCommand			: 52,
+  eDynPrio_SetValue			: 53,
+  eDynPrio_Pie				: 54,
+  eDynPrio_BarChart			: 55,
+  eDynPrio_Axis				: 56,
+  eDynPrio_MethodToolbar	       	: 57,
+  eDynPrio_MethodPulldownMenu	       	: 58,
+  eDynPrio_ScrollingText	       	: 59,
+  eDynPrio_ColorThemeLightness       	: 60,
+  eDynPrio_DigSwap		       	: 61,
+  eDynPrio_DigScript		       	: 62,
+  eDynPrio_CatchSignal           	: 63,
+  eDynPrio_EmitSignal     	       	: 64,
   eDynPrio_Script  			: 9998,
   eDynPrio_Command  			: 9999,
   eDynPrio_CloseGraph 		: 10000,
@@ -244,6 +251,9 @@ var DynC = {
   eSave_DigBackgroundColor        	: 44,
   eSave_DigSwap	        	: 45,
   eSave_DigScript	        	: 46,
+  eSave_RefUpdate	        	: 47,
+  eSave_DsTrend	        		: 48,
+  eSave_DsTrendCurve	        	: 49,
   eSave_PopupMenu	       		: 50,
   eSave_SetDig	       		: 51,
   eSave_ResetDig	       		: 52,
@@ -270,6 +280,7 @@ var DynC = {
   eSave_Script		       	: 73,
   eSave_CatchSignal		       	: 74,
   eSave_EmitSignal		       	: 75,
+  eSave_SevHist			       	: 76,
   eSave_End		       		: 99,
   eSave_Dyn_dyn_type1	       		: 100,
   eSave_Dyn_action_type1      	: 101,
@@ -436,6 +447,7 @@ var DynC = {
   eSave_XY_Curve_y_mark2_attr    	: 3422,
   eSave_XY_Curve_mark1_color    	: 3423,
   eSave_XY_Curve_mark2_color    	: 3424,
+  eSave_XY_Curve_hold_attr	    	: 3425,
   eSave_DigCommand_attribute      	: 3500,
   eSave_DigCommand_command      	: 3501,
   eSave_DigCommand_instance        	: 3502,
@@ -491,6 +503,29 @@ var DynC = {
   eSave_DigScript_script  		: 4601,
   eSave_DigScript_script_len         	: 4602,
   eSave_DigScript_level  		: 4603,
+  eSave_RefUpdate_attribute 		: 4700,
+  eSave_RefUpdate_whole_graph 		: 4701,
+  eSave_DsTrend_dstrend_object1 	: 4800,
+  eSave_DsTrend_dstrend_object2 	: 4801,
+  eSave_DsTrend_mark1_attr 		: 4802,
+  eSave_DsTrend_mark2_attr 		: 4803,
+  eSave_DsTrend_mark1_color 		: 4804,
+  eSave_DsTrend_mark2_color 		: 4805,
+  eSave_DsTrend_hold_attr 		: 4806,
+  eSave_DsTrend_minvalue_attr1 		: 4807,
+  eSave_DsTrend_maxvalue_attr1 		: 4808,
+  eSave_DsTrend_minvalue_attr2 		: 4809,
+  eSave_DsTrend_maxvalue_attr2 		: 4810,
+  eSave_DsTrendCurve_dstrend_object 	: 4900,
+  eSave_DsTrendCurve_mark1_attr 	: 4902,
+  eSave_DsTrendCurve_mark2_attr 	: 4903,
+  eSave_DsTrendCurve_mark1_color 	: 4904,
+  eSave_DsTrendCurve_mark2_color 	: 4905,
+  eSave_DsTrendCurve_hold_attr 		: 4906,
+  eSave_DsTrendCurve_minvalue_attr1 	: 4907,
+  eSave_DsTrendCurve_maxvalue_attr1 	: 4908,
+  eSave_DsTrendCurve_minvalue_attr2 	: 4909,
+  eSave_DsTrendCurve_maxvalue_attr2 	: 4910,
   eSave_PopupMenu_ref_object      	: 5000,
   eSave_SetDig_attribute		: 5100,
   eSave_SetDig_instance		: 5101,
@@ -680,6 +715,24 @@ var DynC = {
   eSave_CatchSignal_signal_name   	: 7400,
   eSave_EmitSignal_signal_name   	: 7500,
   eSave_EmitSignal_global   		: 7501,
+  eSave_SevHist_sevhist_object1 	: 7600,
+  eSave_SevHist_sevhist_object2 	: 7601,
+  eSave_SevHist_attribute1 		: 7602,
+  eSave_SevHist_attribute2 		: 7603,
+  eSave_SevHist_server 			: 7604,
+  eSave_SevHist_mark1_attr 		: 7605,
+  eSave_SevHist_mark2_attr 		: 7606,
+  eSave_SevHist_mark1_color 		: 7607,
+  eSave_SevHist_mark2_color 		: 7608,
+  eSave_SevHist_hold_attr 		: 7609,
+  eSave_SevHist_minvalue_attr1 		: 7610,
+  eSave_SevHist_maxvalue_attr1 		: 7611,
+  eSave_SevHist_minvalue_attr2 		: 7612,
+  eSave_SevHist_maxvalue_attr2 		: 7613,
+  eSave_SevHist_timerange 		: 7614,
+  eSave_SevHist_timerange_attr 		: 7615,
+  eSave_SevHist_update_attr 		: 7616,
+  eSave_SevHist_updatetime 		: 7617,
 
   eAnimSequence_Inherit      	: 0,
   eAnimSequence_Cycle		: 1,
@@ -984,6 +1037,15 @@ function Dyn( graph) {
       case DynC.eSave_Trend: 
 	elem = new DynTrend(this); 
 	break;
+      case DynC.eSave_DsTrend: 
+	elem = new DynDsTrend(this); 
+	break;
+      case DynC.eSave_DsTrendCurve: 
+	elem = new DynDsTrendCurve(this); 
+	break;
+      case DynC.eSave_SevHist: 
+	elem = new DynSevHist(this); 
+	break;
       case DynC.eSave_FillLevel: 
 	elem = new DynFillLevel(this); 
 	break;
@@ -5218,7 +5280,7 @@ function DynTrend( dyn) {
   
     if ( this.hold_a !== null) {
       var holdval = this.hold_a.get_ref_value(this.dyn);
-      if ( this.holdval)
+      if ( holdval)
 	return;
     }
 
@@ -5467,429 +5529,1147 @@ function DynTrend( dyn) {
   };
 }
 
-function DynXY_Curve( dyn) {
+function DynDsTrend( dyn) {
   this.dyn = dyn;
-  this.dyn_type1 = DynC.mDynType1_XY_Curve;
-  this.dyn_type2 = 0;
+  this.dyn_type1 = 0;
+  this.dyn_type2 = DynC.mDynType2_DsTrend;
   this.action_type1 = 0;
   this.action_type2 = 0;
-  this.prio = DynC.eDynPrio_XY_Curve;
+  this.prio = DynC.eDynPrio_DsTrend;
   this.instance_mask = 0;
   this.instance = 0;
 
-  this.firstScan = true;
-  this.x_a = null;
-  this.y_a = null;
-  this.y_minvalue_a = null;
-  this.y_maxvalue_a = null;
-  this.x_minvalue_a = null;
-  this.x_maxvalue_a = null;
-  this.noofpoints_a = null;
-  this.update_a = null;
-  this.x_mark1_a = null;
-  this.x_mark2_a = null;
-  this.y_mark1_a = null;
-  this.y_mark2_a = null;
-  this.x_attr = null;
-  this.y_attr = null;
-  this.y_minvalue_attr;
-  this.y_maxvalue_attr;
-  this.x_minvalue_attr;
-  this.x_maxvalue_attr;
-  this.noofpoints_attr;
-  this.update_attr;
-  this.x_mark1_attr = null;
-  this.x_mark2_attr = null;
-  this.y_mark1_attr = null;
-  this.y_mark2_attr = null;
+  this.minvalue_a1 = null;
+  this.maxvalue_a1 = null;
+  this.minvalue_a2 = null;
+  this.maxvalue_a2 = null;
+  this.hold_a = null;
+  this.timerange_a = null;
+  this.mark1_a = null;
+  this.mark2_a = null;
+  this.dstrend_object1 = null;
+  this.dstrend_object2 = null;
+  this.minvalue_attr1 = null;
+  this.maxvalue_attr1 = null;
+  this.minvalue_attr2 = null;
+  this.maxvalue_attr2 = null;
+  this.hold_attr = null;
+  this.mark1_attr = null;
+  this.mark2_attr = null;
   this.mark1_color;
   this.mark2_color;
-  this.y_min_value;
-  this.y_max_value;
-  this.x_min_value;
-  this.x_max_value;
-  this.horizontal_padding;
-  this.datatype;
-  this.curve_color;
-  this.fill_color;
-  this.noofpoints;
-  this.noOfPoints;
-  this.xAttrType;
-  this.yAttrType;
-  this.curveX = [];
-  this.curveY = [];
-  this.curve_number;
-  this.object;
-  var self = this;
-
-  this.open = function( lines, row) {
-    var end = false;
-    var i;
-    var elem;
-
-    for ( i = row; i < lines.length; i++) {
-      var tokens = lines[i].split(' ');
-      var key = parseInt(tokens[0], 10);
+  this.firstScan = true;
+  this.scan_time;
+  this.acc_time;
+  this.no_of_points;
+  this.trend_hold;
+  this.orig_graph_scan_time;
+  this.orig_graph_fast_scan_time;
+  this.orig_graph_animation_scan_time;
+  this.last_idx = new Array(2);
+  this.last_buffer = new Array(2);
+  this.dstrend_cnt = 0;
 								    
-      if ( this.dyn.debug) console.log( "DynXYCurve : " + lines[i]);
+  this.connect = function( object) {
 
-      elem = null;
+    this.no_of_points = object.get_no_of_points();
+    this.scan_time = object.get_scan_time();
+    this.acc_time = this.scan_time;
+    this.trend_hold = 0;
+    this.last_idx[0] = -1;
+    this.last_idx[1] = -1;
+    this.last_buffer[0] = 0;
+    this.last_buffer[1] = 0;
 
-      switch ( key) {
-      case DynC.eSave_XY_Curve: 
-	break;
-      case DynC.eSave_XY_Curve_x_attr: 
-	if ( tokens.length > 1)
-	  this.x_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_y_attr: 
-	if ( tokens.length > 1)
-	  this.y_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_y_minvalue_attr: 
-	if ( tokens.length > 1)
-	  this.y_minvalue_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_y_maxvalue_attr: 
-	if ( tokens.length > 1)
-	  this.y_maxvalue_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_x_minvalue_attr: 
-	if ( tokens.length > 1)
-	  this.x_minvalue_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_x_maxvalue_attr: 
-	if ( tokens.length > 1)
-	  this.x_maxvalue_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_noofpoints_attr: 
-	if ( tokens.length > 1)
-	  this.noofpoints_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_update_attr: 
-	if ( tokens.length > 1)
-	  this.update_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_y_min_value: 
-	this.y_min_value = parseFloat( tokens[1]);;
-	break;
-      case DynC.eSave_XY_Curve_y_max_value: 
-	this.y_max_value = parseFloat( tokens[1]);;
-	break;
-      case DynC.eSave_XY_Curve_x_min_value: 
-	this.x_min_value = parseFloat( tokens[1]);;
-	break;
-      case DynC.eSave_XY_Curve_x_max_value: 
-	this.x_max_value = parseFloat( tokens[1]);;
-	break;
-      case DynC.eSave_XY_Curve_datatype: 
-	this.datatype = parseInt( tokens[1], 10);
-	break;
-      case DynC.eSave_XY_Curve_instance: 
-	this.instance = parseInt(tokens[1], 10);
-	break;
-      case DynC.eSave_XY_Curve_instance_mask: 
-	this.instance_mask = parseInt( tokens[1], 10);
-	break;
-      case DynC.eSave_XY_Curve_curve_color: 
-	this.curve_color = parseInt( tokens[1], 10);
-	break;
-      case DynC.eSave_XY_Curve_fill_color: 
-	this.fill_color = parseInt( tokens[1], 10);
-	break;
-      case DynC.eSave_XY_Curve_horizontal_padding: 
-	this.horizontal_padding = parseInt( tokens[1], 10);
-	break;
-      case DynC.eSave_XY_Curve_x_mark1_attr: 
-	if ( tokens.length > 1)
-	  this.x_mark1_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_x_mark2_attr: 
-	if ( tokens.length > 1)
-	  this.x_mark2_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_y_mark1_attr: 
-	if ( tokens.length > 1)
-	  this.y_mark1_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_y_mark2_attr: 
-	if ( tokens.length > 1)
-	  this.y_mark2_attr = tokens[1];
-	break;
-      case DynC.eSave_XY_Curve_mark1_color: 
-	this.mark1_color = parseInt( tokens[1], 10);
-	break;
-      case DynC.eSave_XY_Curve_mark2_color: 
-	this.mark2_color = parseInt( tokens[1], 10);
-	break;
-      case DynC.eSave_End:
-	end = true;
-	break;
-      default:
-	console.log( "Syntax error in DynXYCurve");
-	break;
+    if (this.dstrend_object1.trim() !== "") {
+      this.dstrend_cnt++;
+      if (this.dstrend_object2.trim() !== "")
+	this.dstrend_cnt++;
     }
 
-      if ( end)
-	break;
+    if ( this.minvalue_attr1.trim() !== "") {
+      this.minvalue_a1 = new DynReference( this.dyn, this.minvalue_attr1);
+      this.minvalue_a1.connect(this.dyn);
+      if ( !this.minvalue_a1.sts) {
+	this.minvalue_a1 = null;
+	console.log("Trend: " + this.minvalue_attr1);
+      }
     }
 
-    return i;
-  };
-
-
-  this.connect = function( object) {
-    if ( this.x_attr == null || this.y_attr == null)
-      return 1;
-
-    if ( this.update_attr.trim() !== "") {
-      this.update_a = new DynReference( this.dyn, this.update_attr);
-      this.update_a.connect(this.dyn);
-      if ( !this.update_a.sts) {
-	console.log( "XYCurve: " + this.update_attr);
-	this.update_a = null;
+    if ( this.maxvalue_attr1.trim() !== "") {
+      this.maxvalue_a1 = new DynReference( this.dyn, this.maxvalue_attr1);
+      this.maxvalue_a1.connect(this.dyn);
+      if ( !this.maxvalue_a1.sts) {
+	this.maxvalue_a1 = null;
+	console.log("Trend: " + this.maxvalue_attr1);
       }
     }
 
-    if ( this.noofpoints_attr.trim() !== "") {
-      this.noofpoints_a = new DynReference( this.dyn, this.noofpoints_attr);
-      this.noofpoints_a.connect(this.dyn);
-      if ( !this.noofpoints_a.sts) {
-	console.log( "XYCurve: " + this.noofpoints_attr);
-	this.noofpoints_a = null;
+    if ( this.minvalue_attr2.trim() !== "") {
+      this.minvalue_a2 = new DynReference( this.dyn, this.minvalue_attr2);
+      this.minvalue_a2.connect(this.dyn);
+      if ( !this.minvalue_a2.sts) {
+	this.minvalue_a2 = null;
+	console.log("Trend: " + this.minvalue_attr2);
       }
     }
 
-    if ( this.y_minvalue_attr.trim() !== "") {
-      this.y_minvalue_a = new DynReference( this.dyn, this.y_minvalue_attr);
-      this.y_minvalue_a.connect(this.dyn);
-      if ( !this.y_minvalue_a.sts) {
-	console.log( "XYCurve: " + this.y_minvalue_attr);
-	this.y_minvalue_a = null;
+    if ( this.maxvalue_attr2.trim() !== "") {
+      this.maxvalue_a2 = new DynReference( this.dyn, this.maxvalue_attr2);
+      this.maxvalue_a2.connect(this.dyn);
+      if ( !this.maxvalue_a2.sts) {
+	this.maxvalue_a2 = null;
+	console.log("Trend: " + this.maxvalue_attr2);
       }
     }
 
-    if ( this.y_maxvalue_attr.trim() !== "") {
-      this.y_maxvalue_a = new DynReference( this.dyn, this.y_maxvalue_attr);
-      this.y_maxvalue_a.connect(this.dyn);
-      if ( !this.y_maxvalue_a.sts) {
-	console.log( "XYCurve: " + this.y_maxvalue_attr);
-	this.y_maxvalue_a = null;
+    if ( this.hold_attr.trim() !== "") {
+      this.hold_a = new DynReference( this.dyn, this.hold_attr);
+      this.hold_a.connect(this.dyn);
+      if ( !this.hold_a.sts) {
+	this.hold_a = null;
+	console.log("Trend: " + this.hold_attr);
       }
     }
 
-    if ( this.x_minvalue_attr.trim() !== "") {
-      this.x_minvalue_a = new DynReference( this.dyn, this.x_minvalue_attr);
-      this.x_minvalue_a.connect(this.dyn);
-      if ( !this.x_minvalue_a.sts) {
-	console.log( "XYCurve: " + this.x_minvalue_attr);
-	this.x_minvalue_a = null;
+    if ( this.mark1_attr !== null && this.mark1_attr.trim() !== "") {
+      this.mark1_a = new DynReference( this.dyn, this.mark1_attr);
+      this.mark1_a.connect(this.dyn);
+      if ( !this.mark1_a.sts) {
+	this.mark1_a = null;
+	console.log("Trend: " + this.mark1_attr);
       }
     }
 
-    if ( this.x_maxvalue_attr.trim() !== "") {
-      this.x_maxvalue_a = new DynReference( this.dyn, this.x_maxvalue_attr);
-      this.x_maxvalue_a.connect(this.dyn);
-      if ( !this.x_maxvalue_a.sts) {
-	console.log( "XYCurve: " + this.x_maxvalue_attr);
-	this.x_maxvalue_a = null;
-      }
-    }
-
-    if ( this.y_mark1_attr.trim() !== "") {
-      this.y_mark1_a = new DynReference( this.dyn, this.y_mark1_attr);
-      this.y_mark1_a.connect(this.dyn);
-      if ( !this.y_mark1_a.sts) {
-	console.log( "XYCurve: " + this.y_mark1_attr);
-	this.y_mark1_a = null;
-      }
-    }
-
-    if ( this.y_mark2_attr.trim() !== "") {
-      this.y_mark2_a = new DynReference( this.dyn, this.y_mark2_attr);
-      this.y_mark2_a.connect(this.dyn);
-      if ( !this.y_mark2_a.sts) {
-	console.log( "XYCurve: " + this.y_mark2_attr);
-	this.y_mark2_a = null;
-      }
-    }
-
-    // Get curve number
-    this.curve_number = 0;
-    var m = this.instance;
-    while( m != 0) {
-      m = m >> 1;
-      this.curve_number++;
-    }
-
-    // Get number of curves
-    if ( this.instance == DynC.mInstance_1) {
-      m = this.instance_mask;
-      var noofcurves = 0;
-      while( m != 0) {
-	m = m >> 1;
-	noofcurves++;
+    if ( this.mark2_attr !== null && this.mark2_attr.trim() !== "") {
+      this.mark2_a = new DynReference( this.dyn, this.mark2_attr);
+      this.mark2_a.connect(this.dyn);
+      if ( !this.mark2_a.sts) {
+	this.mark2_a = null;
+	console.log("Trend: " + this.mark2_attr);
       }
-      object.set_xy_noofcurves( noofcurves);
     }
 
-    this.noofpoints = object.get_no_of_points();
-    if ( Math.abs(this.y_max_value - this.y_min_value) > Number.MIN_VALUE)
-      object.set_xy_range_y( this.curve_number - 1, this.y_min_value, this.y_max_value);
-    if ( Math.abs(this.x_max_value - this.x_min_value) > Number.MIN_VALUE)
-      object.set_xy_range_x( this.curve_number - 1, this.x_min_value, this.x_max_value);
-    object.set_xy_curve_color( this.curve_number - 1, this.curve_color, this.fill_color);
     if ( this.mark1_color != Glow.eDrawType_Inherit || this.mark2_color != Glow.eDrawType_Inherit)
       object.set_mark_color( this.mark1_color, this.mark2_color);
     return 1;
   };
 
   this.disconnect = function() {
-    if ( this.update_a !== null)
-      this.update_a.disconnect(this.dyn);
-    if ( this.noofpoints_a !== null)
-      this.noofpoints_a.disconnect(this.dyn);
-    if ( this.y_minvalue_a !== null)
-      this.y_minvalue_a.disconnect(this.dyn);
-    if ( this.y_maxvalue_a !== null)
-      this.y_maxvalue_a.disconnect(this.dyn);
-    if ( this.x_minvalue_a !== null)
-      this.x_minvalue_a.disconnect(this.dyn);
-    if ( this.x_maxvalue_a !== null)
-      this.x_maxvalue_a.disconnect(this.dyn);
-    if ( this.x_mark1_a !== null)
-      this.x_mark1_a.disconnect(this.dyn);
-    if ( this.x_mark2_a !== null)
-      this.x_mark2_a.disconnect(this.dyn);
-    if ( this.y_mark1_a !== null)
-      this.y_mark1_a.disconnect(this.dyn);
-    if ( this.y_mark2_a !== null)
-      this.y_mark2_a.disconnect(this.dyn);
+    if ( this.minvalue_a1 != null)
+      this.minvalue_a1.disconnect(this.dyn);
+    if ( this.maxvalue_a1 != null)
+      this.maxvalue_a1.disconnect(this.dyn);
+    if ( this.minvalue_a2 != null)
+      this.minvalue_a2.disconnect(this.dyn);
+    if ( this.maxvalue_a2 != null)
+      this.maxvalue_a2.disconnect(this.dyn);
+    if ( this.hold_a != null)
+      this.hold_a.disconnect(this.dyn);
+    if ( this.mark1_a != null)
+      this.mark1_a.disconnect(this.dyn);
+    if ( this.mark2_a != null)
+      this.mark2_a.disconnect(this.dyn);
   };
 
   this.scan = function( object) {
-    var pname;
-    var attrSize;
-    var update = false;
-    var size = 1;
-    this.object = object;
-    this.noOfPoints = this.noofpoints;
-
-    if ( this.x_attr == null || this.y_attr == null)
+    var new_curve = 0;
+    var i;
+    if ( this.hold_a !== null && !this.firstScan) {
+      var holdval = this.hold_a.get_ref_value(this.dyn);
+      if ( holdval)
 	return;
-
-    if ( this.firstScan)
-      update = true;
-
-    if ( this.update_a !== null) {
-      var value = this.update_a.get_ref_value(this.dyn);
-      if ( value && !this.update_a.oldValue)
-	update = true;
-      this.update_a.oldValue = value;
     }
 
-    if ( this.noofpoints_a !== null) {
-      var value = this.noofpoints_a.get_ref_value(this.dyn);
-      if ( value != this.noofpoints_a.oldValue) {
-	update = true;
-	this.noofpoints = this.noOfPoints = value;
-	this.noofpoints_a.oldValue = value;
+    var minval, maxval;
+    if ( this.maxvalue_a1 !== null && this.minvalue_a1 !== null) {
+      minval = this.minvalue_a1.get_ref_value(this.dyn);
+      maxval = this.maxvalue_a1.get_ref_value(this.dyn);
+      if ( minval != this.minvalue_a1.oldValue ||
+	   maxval != this.maxvalue_a1.oldValue) {
+	if ( Math.abs( maxval - minval) > Number.MIN_VALUE)
+	  object.set_range_y( 0, minval, maxval);
+	this.minvalue_a1.oldValue = minval;
+	this.maxvalue_a1.oldValue = maxval;
+	new_curve = 1;
       }
     }
 
-    if ( this.y_minvalue_a !== null) {
-      var value = this.y_minvalue_a.get_ref_value(this.dyn);
-      if ( value != this.y_min_value) {
-	this.y_min_value = value;
-	if ( Math.abs(this.y_max_value - this.y_min_value) > Number.MIN_VALUE)
-	  object.set_xy_range_y( this.curve_number - 1, this.y_min_value, this.y_max_value);
-	update = true;
+    if ( this.maxvalue_a2 !== null && this.minvalue_a2 !== null) {
+      minval = this.minvalue_a2.get_ref_value(this.dyn);
+      maxval = this.maxvalue_a2.get_ref_value(this.dyn);
+      if ( minval != this.minvalue_a2.oldValue ||
+	   maxval != this.maxvalue_a2.oldValue) {
+	if ( Math.abs( maxval - minval) > Number.MIN_VALUE)
+	  object.set_range_y( 1, minval, maxval);
+	this.minvalue_a2.oldValue = minval;
+	this.maxvalue_a2.oldValue = maxval;
+	new_curve = 1;
       }
     }
-    if ( this.y_maxvalue_a !== null) {
-      var value = this.y_maxvalue_a.get_ref_value(this.dyn);
-      if ( value != this.y_max_value) {
-	this.y_max_value = value;
-	if ( Math.abs(this.y_max_value - this.y_min_value) > Number.MIN_VALUE)
-	  object.set_xy_range_y( this.curve_number - 1, this.y_min_value, this.y_max_value);
-	update = true;
+
+    if ( this.mark1_a !== null) {
+      var mark1val = this.mark1_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark1val - this.mark1_a.oldValue) > Number.MIN_VALUE) {
+	object.set_y_mark1( mark1val);
+	this.mark1_a.oldValue = mark1val;
       }
     }
-
-    if ( this.x_minvalue_a !== null) {
-      var value = this.x_minvalue_a.get_ref_value(this.dyn);
-      if ( value != this.x_min_value) {
-	this.x_min_value = value;
-	if ( Math.abs(x_max_value - this.x_min_value) > Number.MIN_VALUE)
-	  object.set_xy_range_x( this.curve_number - 1, this.x_min_value, this.x_max_value);
-	update = true;
+    if ( this.mark2_a !== null) {
+      var mark2val = this.mark2_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark2val - this.mark2_a.oldValue) > Number.MIN_VALUE) {
+	object.set_y_mark2( mark2val);
+	this.mark2_a.oldValue = mark2val;
       }
     }
-    if ( this.x_maxvalue_a !== null) {
-      var value = this.x_maxvalue_a.get_ref_value(this.dyn);
-      if ( value != this.x_max_value) {
-	this.x_max_value = value;
-	if ( Math.abs(x_max_value - this.x_min_value) > Number.MIN_VALUE)
-	  object.set_xy_range_x( this.curve_number - 1, this.x_min_value, this.x_max_value);
-	update = true;
+
+    if ( this.firstScan) {
+      this.firstScan = false;
+      new_curve = 1;
     }
+
+    if (new_curve) {
+      this.last_idx[0] = -1;
+      this.last_idx[1] = -1;
     }
 
-    if ( this.x_mark1_a !== null) {
-      var mark1val = this.x_mark1_a.get_ref_value(this.dyn);
-      if ( this.firstScan || Math.abs( mark1val - this.x_mark1_a.oldValue) > Number.MIN_VALUE) {
-	object.set_x_mark1( mark1val);
-	this.x_mark1_a.oldValue = mark1val;
+    if ( this.cycle == Glow.eCycle_Slow)
+      this.acc_time += this.dyn.graph.getScanTime();
+    else
+      this.acc_time += this.dyn.graph.getFastScanTime();
+    if ( new_curve || this.acc_time + Number.MIN_VALUE >= this.scan_time) {
+      this.acc_time = 0;
+
+      var data = new Array(4);
+      data[0] = this;
+      data[1] = object;
+      data[2] = 0;
+      data[3] = new_curve;	
+      this.dyn.graph.getGdh().getDsTrend(this.dstrend_object1, 
+	 this.last_idx[0], this.last_buffer[0], this.no_of_points, this.scan2, data);
     }
+  };
+
+  this.scan2 = function( id, data, sts, result) {
+    if ( sts & 1 != 0) {
+      var i, j;
+      var self = data[0];
+      var object = data[1];
+      var curve_idx = data[2]
+      var new_curve = data[3];
+      self.last_idx[0] = result[0];
+      self.last_buffer[0] = result[1];
+      var size = result[2];
+      var values = result[3];
+
+      if (new_curve) {
+	var vdata = new Array(self.no_of_points);
+	var tdata = new Array(self.no_of_points);
+	for (j = 0; j < self.no_of_points; j++) {
+	  // tdata[self.no_of_points-j-1] = j / self.no_of_points * 100;
+	  tdata[j] = j / self.no_of_points * 100;
+	  if (j < size)
+	    vdata[self.no_of_points-j-1] = values[j];
+	}
+        object.set_data(tdata, vdata, curve_idx, self.no_of_points);
       }
-    if ( this.x_mark2_a !== null) {
-      var mark2val = this.x_mark2_a.get_ref_value(this.dyn);
-      if ( this.firstScan || Math.abs( mark2val - this.x_mark2_a.oldValue) > Number.MIN_VALUE) {
-	object.set_x_mark2( mark2val);
-	this.x_mark2_a.oldValue = mark2val;
+      else {
+        for (i = 0; i < size; i++)
+	  object.add_value( values[i], 0);
       }
+      if (self.dstrend_cnt > 1) {
+	var data = new Array(4);
+	data[0] = self;
+	data[1] = object;
+	data[2] = 1;
+	data[3] = new_curve;	
+	self.dyn.graph.getGdh().getDsTrend(self.dstrend_object2, 
+	   self.last_idx[1], self.last_buffer[1], self.no_of_points, self.scan3, data);
       }
-    if ( this.y_mark1_a !== null) {
-      var mark1val = this.y_mark1_a.get_ref_value(this.dyn);
-      if ( this.firstScan || Math.abs( mark1val - this.y_mark1_a.oldValue) > Number.MIN_VALUE) {
-	object.set_y_mark1( mark1val);
-	this.y_mark1_a.oldValue = mark1val;
     }
+  };
+  this.scan3 = function( id, data, sts, result) {
+    if ( sts & 1 != 0) {
+      var i, j;
+      var self = data[0];
+      var object = data[1];
+      var curve_idx = data[2]
+      var new_curve = data[3];
+      self.last_idx[1] = result[0];
+      self.last_buffer[1] = result[1];
+      var size = result[2];
+      var values = result[3];
+
+      if (new_curve) {
+	var vdata = new Array(self.no_of_points);
+	var tdata = new Array(self.no_of_points);
+	for (j = 0; j < self.no_of_points; j++) {
+	  // tdata[self.no_of_points-j-1] = j / self.no_of_points * 100;
+	  tdata[j] = j / self.no_of_points * 100;
+	  if (j < size)
+	    vdata[self.no_of_points-j-1] = values[j];
+	}
+        object.set_data(tdata, vdata, curve_idx, self.no_of_points);
       }
-    if ( this.y_mark2_a !== null) {
-      var mark2val = this.y_mark2_a.get_ref_value(this.dyn);
-      if ( this.firstScan || Math.abs( mark2val - this.y_mark2_a.oldValue) > Number.MIN_VALUE) {
-	object.set_y_mark2( mark2val);
-	this.y_mark2_a.oldValue = mark2val;
+      else {
+        for (i = 0; i < size; i++)
+	  object.add_value( values[i], 1);
       }
     }
+  };
 
-    if ( update) {
-      pname = this.dyn.parseAttrName( this.x_attr);
-      attrSize = pname.elements;
-      this.xAttrType = pname.type;
+  this.action = function( object, e) {
+    return 1;
+  };
 
-      switch ( this.datatype) {
-      case DynC.eCurveDataType_XYArrays:
-	if ( attrSize < this.noOfPoints)
-	  this.noOfPoints = attrSize;
-	size = this.noOfPoints;
+  this.open = function( lines, row) {
+    var end = false;
+    var i;
+    var elem;
+
+    for ( i = row; i < lines.length; i++) {
+      var tokens = lines[i].split(' ');
+      var key = parseInt(tokens[0], 10);
+
+      if ( this.dyn.debug) console.log( "DynDsTrend : " + lines[i]);
+
+      elem = null;
+
+      switch ( key) {
+      case DynC.eSave_DsTrend: 
 	break;
-      case DynC.eCurveDataType_PointArray:
-	if ( attrSize/2 < this.noOfPoints)
-	  this.noOfPoints = attrSize/2;
-	size = this.noOfPoints * 2;
+      case DynC.eSave_DsTrend_dstrend_object1: 
+	if ( tokens.length > 1)
+	  this.dstrend_object1 = tokens[1];
 	break;
-      case DynC.eCurveDataType_TableObject:
-	if ( (attrSize-1)/2 < this.noOfPoints)
-	  this.noOfPoints = (attrSize-1)/2;
-	size = this.noOfPoints * 2 + 1;
+      case DynC.eSave_DsTrend_dstrend_object2: 
+	if ( tokens.length > 1)
+	  this.dstrend_object2 = tokens[1];
 	break;
-      }
-      
-      // Read x-array
-      switch ( this.xAttrType) {
-      case Pwr.eType_Float32:
+      case DynC.eSave_DsTrend_minvalue_attr1: 
+	if ( tokens.length > 1)
+	  this.minvalue_attr1 = tokens[1];
+	break;
+      case DynC.eSave_DsTrend_maxvalue_attr1: 
+	if ( tokens.length > 1)
+	  this.maxvalue_attr1 = tokens[1];
+	break;
+      case DynC.eSave_DsTrend_minvalue_attr2: 
+	if ( tokens.length > 1)
+	  this.minvalue_attr2 = tokens[1];
+	break;
+      case DynC.eSave_DsTrend_maxvalue_attr2: 
+	if ( tokens.length > 1)
+	  this.maxvalue_attr2 = tokens[1];
+	break;
+      case DynC.eSave_DsTrend_hold_attr: 
+	if ( tokens.length > 1)
+	  this.hold_attr = tokens[1];
+	break;
+      case DynC.eSave_DsTrend_mark1_attr: 
+	if ( tokens.length > 1)
+	  this.mark1_attr = tokens[1];
+	break;
+      case DynC.eSave_DsTrend_mark2_attr: 
+	if ( tokens.length > 1)
+	  this.mark2_attr = tokens[1];
+	break;
+      case DynC.eSave_DsTrend_mark1_color: 
+	this.mark1_color = parseInt(tokens[1], 10);
+	break;
+      case DynC.eSave_DsTrend_mark2_color: 
+	this.mark2_color = parseInt(tokens[1], 10);
+	break;
+      case DynC.eSave_End:
+	end = true;
+	break;
+      default:
+	console.log( "Syntax error in DynDsTrend", row, key);
+	break;
+      }
+
+      if ( end)
+	break;
+    }    
+    return i;
+  };
+}
+
+function DynDsTrendCurve( dyn) {
+  this.dyn = dyn;
+  this.dyn_type1 = 0;
+  this.dyn_type2 = DynC.mDynType2_DsTrendCurve;
+  this.action_type1 = 0;
+  this.action_type2 = 0;
+  this.prio = DynC.eDynPrio_DsTrendCurve;
+  this.instance_mask = 0;
+  this.instance = 0;
+
+  this.minvalue_a1 = null;
+  this.maxvalue_a1 = null;
+  this.minvalue_a2 = null;
+  this.maxvalue_a2 = null;
+  this.hold_a = null;
+  this.timerange_a = null;
+  this.mark1_a = null;
+  this.mark2_a = null;
+  this.dstrend_object = null;
+  this.minvalue_attr1 = null;
+  this.maxvalue_attr1 = null;
+  this.minvalue_attr2 = null;
+  this.maxvalue_attr2 = null;
+  this.hold_attr = null;
+  this.mark1_attr = null;
+  this.mark2_attr = null;
+  this.mark1_color;
+  this.mark2_color;
+  this.firstScan = true;
+  this.scan_time;
+  this.acc_time;
+  this.no_of_points;
+  this.trend_hold;
+  this.orig_graph_scan_time;
+  this.orig_graph_fast_scan_time;
+  this.orig_graph_animation_scan_time;
+  this.buff_cnt = 0;
+  this.initialized = 0;
+  this.no_of_points;
+
+  this.cbid;
+  this.displaytime;
+  this.displayupdatetime;
+  this.samples;
+  this.resolution;
+  this.elementtype1;
+  this.elementtype2;
+  this.scantime;
+								    
+  this.connect = function( object) {
+
+    this.no_of_points = object.get_no_of_points();
+    this.scan_time = object.get_scan_time();
+    this.acc_time = this.scan_time;
+    this.trend_hold = 0;
+
+    if ( this.minvalue_attr1.trim() !== "") {
+      this.minvalue_a1 = new DynReference( this.dyn, this.minvalue_attr1);
+      this.minvalue_a1.connect(this.dyn);
+      if ( !this.minvalue_a1.sts) {
+	this.minvalue_a1 = null;
+	console.log("Trend: " + this.minvalue_attr1);
+      }
+    }
+
+    if ( this.maxvalue_attr1.trim() !== "") {
+      this.maxvalue_a1 = new DynReference( this.dyn, this.maxvalue_attr1);
+      this.maxvalue_a1.connect(this.dyn);
+      if ( !this.maxvalue_a1.sts) {
+	this.maxvalue_a1 = null;
+	console.log("Trend: " + this.maxvalue_attr1);
+      }
+    }
+
+    if ( this.minvalue_attr2.trim() !== "") {
+      this.minvalue_a2 = new DynReference( this.dyn, this.minvalue_attr2);
+      this.minvalue_a2.connect(this.dyn);
+      if ( !this.minvalue_a2.sts) {
+	this.minvalue_a2 = null;
+	console.log("Trend: " + this.minvalue_attr2);
+      }
+    }
+
+    if ( this.maxvalue_attr2.trim() !== "") {
+      this.maxvalue_a2 = new DynReference( this.dyn, this.maxvalue_attr2);
+      this.maxvalue_a2.connect(this.dyn);
+      if ( !this.maxvalue_a2.sts) {
+	this.maxvalue_a2 = null;
+	console.log("Trend: " + this.maxvalue_attr2);
+      }
+    }
+
+    if ( this.hold_attr.trim() !== "") {
+      this.hold_a = new DynReference( this.dyn, this.hold_attr);
+      this.hold_a.connect(this.dyn);
+      if ( !this.hold_a.sts) {
+	this.hold_a = null;
+	console.log("Trend: " + this.hold_attr);
+      }
+    }
+
+    if ( this.mark1_attr !== null && this.mark1_attr.trim() !== "") {
+      this.mark1_a = new DynReference( this.dyn, this.mark1_attr);
+      this.mark1_a.connect(this.dyn);
+      if ( !this.mark1_a.sts) {
+	this.mark1_a = null;
+	console.log("Trend: " + this.mark1_attr);
+      }
+    }
+
+    if ( this.mark2_attr !== null && this.mark2_attr.trim() !== "") {
+      this.mark2_a = new DynReference( this.dyn, this.mark2_attr);
+      this.mark2_a.connect(this.dyn);
+      if ( !this.mark2_a.sts) {
+	this.mark2_a = null;
+	console.log("Trend: " + this.mark2_attr);
+      }
+    }
+
+    this.no_of_points = object.get_no_of_points();
+    if ( this.mark1_color != Glow.eDrawType_Inherit || this.mark2_color != Glow.eDrawType_Inherit)
+      object.set_mark_color( this.mark1_color, this.mark2_color);
+
+    this.dyn.graph.getGdh().getDsTrendCurveInfo(this.dstrend_object, 
+	this.connect2, this);
+  };
+
+  this.connect2 = function( id, data, sts, result) {
+    if ( sts & 1 != 0) {
+      var self = data;
+      self.cbid = result[0];
+      self.resolution = result[1];
+      self.samples = result[2];
+      if (self.samples > self.no_of_points)
+	self.samples = self.no_of_points;
+      self.displayupdatetime = result[3];
+      self.displaytime = result[4];      
+      self.scantime = result[5];
+      self.buff_cnt = result[6];
+      self.elementtype1 = result[7];
+      if (self.buff_cnt > 1)
+        self.elementtype2 = result[8];
+      self.initialized = 1;
+    }
+    return 1;
+  };
+
+  this.disconnect = function() {
+    if ( this.minvalue_a1 != null)
+      this.minvalue_a1.disconnect(this.dyn);
+    if ( this.maxvalue_a1 != null)
+      this.maxvalue_a1.disconnect(this.dyn);
+    if ( this.minvalue_a2 != null)
+      this.minvalue_a2.disconnect(this.dyn);
+    if ( this.maxvalue_a2 != null)
+      this.maxvalue_a2.disconnect(this.dyn);
+    if ( this.hold_a != null)
+      this.hold_a.disconnect(this.dyn);
+    if ( this.mark1_a != null)
+      this.mark1_a.disconnect(this.dyn);
+    if ( this.mark2_a != null)
+      this.mark2_a.disconnect(this.dyn);
+  };
+
+  this.scan = function( object) {
+    var new_curve = 0;
+    var i;
+    if ( !this.initialized)
+      return;
+    if ( this.hold_a !== null && !this.firstScan) {
+      var holdval = this.hold_a.get_ref_value(this.dyn);
+      if ( holdval)
+	return;
+    }
+
+    var minval, maxval;
+    if ( this.maxvalue_a1 !== null && this.minvalue_a1 !== null) {
+      minval = this.minvalue_a1.get_ref_value(this.dyn);
+      maxval = this.maxvalue_a1.get_ref_value(this.dyn);
+      if ( minval != this.minvalue_a1.oldValue ||
+	   maxval != this.maxvalue_a1.oldValue) {
+	if ( Math.abs( maxval - minval) > Number.MIN_VALUE)
+	  object.set_range_y( 0, minval, maxval);
+	this.minvalue_a1.oldValue = minval;
+	this.maxvalue_a1.oldValue = maxval;
+	new_curve = 1;
+      }
+    }
+
+    if ( this.maxvalue_a2 !== null && this.minvalue_a2 !== null) {
+      minval = this.minvalue_a2.get_ref_value(this.dyn);
+      maxval = this.maxvalue_a2.get_ref_value(this.dyn);
+      if ( minval != this.minvalue_a2.oldValue ||
+	   maxval != this.maxvalue_a2.oldValue) {
+	if ( Math.abs( maxval - minval) > Number.MIN_VALUE)
+	  object.set_range_y( 1, minval, maxval);
+	this.minvalue_a2.oldValue = minval;
+	this.maxvalue_a2.oldValue = maxval;
+	new_curve = 1;
+      }
+    }
+
+    if ( this.mark1_a !== null) {
+      var mark1val = this.mark1_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark1val - this.mark1_a.oldValue) > Number.MIN_VALUE) {
+	object.set_y_mark1( mark1val);
+	this.mark1_a.oldValue = mark1val;
+      }
+    }
+    if ( this.mark2_a !== null) {
+      var mark2val = this.mark2_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark2val - this.mark2_a.oldValue) > Number.MIN_VALUE) {
+	object.set_y_mark2( mark2val);
+	this.mark2_a.oldValue = mark2val;
+      }
+    }
+
+    if ( this.firstScan) {
+      this.firstScan = false;
+      new_curve = 1;
+    }
+
+    if ( this.cycle == Glow.eCycle_Slow)
+      this.acc_time += this.dyn.graph.getScanTime();
+    else
+      this.acc_time += this.dyn.graph.getFastScanTime();
+    if ( new_curve || this.acc_time + Number.MIN_VALUE >= this.scan_time) {
+      this.acc_time = 0;
+
+      var data = new Array(4);
+      data[0] = this;
+      data[1] = object;
+      data[2] = 0;
+      data[3] = new_curve;
+      this.dyn.graph.getGdh().getDsTrendCurveBuffer(this.cbid,
+	 this.samples, !new_curve, this.scan2, data);
+    }
+  };
+
+  this.scan2 = function( id, data, sts, result) {
+    if ( sts & 1 != 0) {
+      var i, j, k;
+      var size;
+      var value;
+      var values;
+      var elementtype;
+      var self = data[0];
+      var object = data[1];
+      var curve_idx = data[2];
+      var new_curve = data[3];
+      for (k = 0; k < self.buff_cnt; k++) {
+	size = result[k * 3 + 1];
+	elementtype = result[k * 3 + 2];
+	values = result[k * 3 + 3];
+
+	if (size > self.no_of_points)
+	  size = self.no_of_points;
+	if (new_curve) {
+	  var vdata = new Array(size);
+	  var tdata = new Array(size);
+	  for (j = 0; j < size; j++) {
+	    tdata[j] = j / size * 100;
+	    vdata[size-j-1] = values[j];
+	  }
+	  object.set_data(tdata, vdata, k, size);
+	}
+	else {
+	  for (i = 0; i < size; i++)
+	    object.add_value( values[i], k);
+	}
+      }
+    }
+  };
+
+  this.action = function( object, e) {
+    return 1;
+  };
+
+  this.open = function( lines, row) {
+    var end = false;
+    var i;
+    var elem;
+
+    for ( i = row; i < lines.length; i++) {
+      var tokens = lines[i].split(' ');
+      var key = parseInt(tokens[0], 10);
+
+      if ( this.dyn.debug) console.log( "DynDsTrendCurve : " + lines[i]);
+
+      elem = null;
+
+      switch ( key) {
+      case DynC.eSave_DsTrendCurve: 
+	break;
+      case DynC.eSave_DsTrendCurve_dstrend_object: 
+	if ( tokens.length > 1)
+	  this.dstrend_object = tokens[1];
+	break;
+      case DynC.eSave_DsTrendCurve_minvalue_attr1: 
+	if ( tokens.length > 1)
+	  this.minvalue_attr1 = tokens[1];
+	break;
+      case DynC.eSave_DsTrendCurve_maxvalue_attr1: 
+	if ( tokens.length > 1)
+	  this.maxvalue_attr1 = tokens[1];
+	break;
+      case DynC.eSave_DsTrendCurve_minvalue_attr2: 
+	if ( tokens.length > 1)
+	  this.minvalue_attr2 = tokens[1];
+	break;
+      case DynC.eSave_DsTrendCurve_maxvalue_attr2: 
+	if ( tokens.length > 1)
+	  this.maxvalue_attr2 = tokens[1];
+	break;
+      case DynC.eSave_DsTrendCurve_hold_attr: 
+	if ( tokens.length > 1)
+	  this.hold_attr = tokens[1];
+	break;
+      case DynC.eSave_DsTrendCurve_mark1_attr: 
+	if ( tokens.length > 1)
+	  this.mark1_attr = tokens[1];
+	break;
+      case DynC.eSave_DsTrendCurve_mark2_attr: 
+	if ( tokens.length > 1)
+	  this.mark2_attr = tokens[1];
+	break;
+      case DynC.eSave_DsTrendCurve_mark1_color: 
+	this.mark1_color = parseInt(tokens[1], 10);
+	break;
+      case DynC.eSave_DsTrendCurve_mark2_color: 
+	this.mark2_color = parseInt(tokens[1], 10);
+	break;
+      case DynC.eSave_End:
+	end = true;
+	break;
+      default:
+	console.log( "Syntax error in DynDsTrendCurve", row, key);
+	break;
+      }
+
+      if ( end)
+	break;
+    }    
+    return i;
+  };
+}
+
+function DynXY_Curve( dyn) {
+  this.dyn = dyn;
+  this.dyn_type1 = DynC.mDynType1_XY_Curve;
+  this.dyn_type2 = 0;
+  this.action_type1 = 0;
+  this.action_type2 = 0;
+  this.prio = DynC.eDynPrio_XY_Curve;
+  this.instance_mask = 0;
+  this.instance = 0;
+
+  this.firstScan = true;
+  this.x_a = null;
+  this.y_a = null;
+  this.y_minvalue_a = null;
+  this.y_maxvalue_a = null;
+  this.x_minvalue_a = null;
+  this.x_maxvalue_a = null;
+  this.noofpoints_a = null;
+  this.update_a = null;
+  this.x_mark1_a = null;
+  this.x_mark2_a = null;
+  this.y_mark1_a = null;
+  this.y_mark2_a = null;
+  this.dstrend_object1 = null;
+  this.dstrend_object2 = null;
+  this.y_minvalue_attr;
+  this.y_maxvalue_attr;
+  this.x_minvalue_attr;
+  this.x_maxvalue_attr;
+  this.noofpoints_attr;
+  this.update_attr;
+  this.hold_attr;
+  this.x_mark1_attr = null;
+  this.x_mark2_attr = null;
+  this.y_mark1_attr = null;
+  this.y_mark2_attr = null;
+  this.mark1_color = Glow.eDrawType_Inherit;
+  this.mark2_color = Glow.eDrawType_Inherit;
+  this.y_min_value;
+  this.y_max_value;
+  this.x_min_value;
+  this.x_max_value;
+  this.horizontal_padding;
+  this.datatype;
+  this.curve_color = Glow.eDrawType_Inherit;
+  this.fill_color = Glow.eDrawType_Inherit;
+  this.noofpoints;
+  this.noOfPoints;
+  this.xAttrType;
+  this.yAttrType;
+  this.curveX = [];
+  this.curveY = [];
+  this.curve_number;
+  this.object;
+  var self = this;
+
+  this.open = function( lines, row) {
+    var end = false;
+    var i;
+    var elem;
+
+    for ( i = row; i < lines.length; i++) {
+      var tokens = lines[i].split(' ');
+      var key = parseInt(tokens[0], 10);
+
+      if ( this.dyn.debug) console.log( "DynXYCurve : " + lines[i]);
+
+      elem = null;
+
+      switch ( key) {
+      case DynC.eSave_XY_Curve: 
+	break;
+      case DynC.eSave_XY_Curve_x_attr: 
+	if ( tokens.length > 1)
+	  this.x_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_y_attr: 
+	if ( tokens.length > 1)
+	  this.y_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_y_minvalue_attr: 
+	if ( tokens.length > 1)
+	  this.y_minvalue_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_y_maxvalue_attr: 
+	if ( tokens.length > 1)
+	  this.y_maxvalue_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_x_minvalue_attr: 
+	if ( tokens.length > 1)
+	  this.x_minvalue_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_x_maxvalue_attr: 
+	if ( tokens.length > 1)
+	  this.x_maxvalue_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_noofpoints_attr: 
+	if ( tokens.length > 1)
+	  this.noofpoints_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_update_attr: 
+	if ( tokens.length > 1)
+	  this.update_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_hold_attr: 
+	if ( tokens.length > 1)
+	  this.hold_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_y_min_value: 
+	this.y_min_value = parseFloat( tokens[1]);;
+	break;
+      case DynC.eSave_XY_Curve_y_max_value: 
+	this.y_max_value = parseFloat( tokens[1]);;
+	break;
+      case DynC.eSave_XY_Curve_x_min_value: 
+	this.x_min_value = parseFloat( tokens[1]);;
+	break;
+      case DynC.eSave_XY_Curve_x_max_value: 
+	this.x_max_value = parseFloat( tokens[1]);;
+	break;
+      case DynC.eSave_XY_Curve_datatype: 
+	this.datatype = parseInt( tokens[1], 10);
+	break;
+      case DynC.eSave_XY_Curve_instance: 
+	this.instance = parseInt(tokens[1], 10);
+	break;
+      case DynC.eSave_XY_Curve_instance_mask: 
+	this.instance_mask = parseInt( tokens[1], 10);
+	break;
+      case DynC.eSave_XY_Curve_curve_color: 
+	this.curve_color = parseInt( tokens[1], 10);
+	break;
+      case DynC.eSave_XY_Curve_fill_color: 
+	this.fill_color = parseInt( tokens[1], 10);
+	break;
+      case DynC.eSave_XY_Curve_horizontal_padding: 
+	this.horizontal_padding = parseInt( tokens[1], 10);
+	break;
+      case DynC.eSave_XY_Curve_x_mark1_attr: 
+	if ( tokens.length > 1)
+	  this.x_mark1_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_x_mark2_attr: 
+	if ( tokens.length > 1)
+	  this.x_mark2_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_y_mark1_attr: 
+	if ( tokens.length > 1)
+	  this.y_mark1_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_y_mark2_attr: 
+	if ( tokens.length > 1)
+	  this.y_mark2_attr = tokens[1];
+	break;
+      case DynC.eSave_XY_Curve_mark1_color: 
+	this.mark1_color = parseInt( tokens[1], 10);
+	break;
+      case DynC.eSave_XY_Curve_mark2_color: 
+	this.mark2_color = parseInt( tokens[1], 10);
+	break;
+      case DynC.eSave_End:
+	end = true;
+	break;
+      default:
+	console.log( "Syntax error in DynXYCurve");
+	break;
+      }
+
+      if ( end)
+	break;
+    }
+		
+    return i;
+  };
+
+
+  this.connect = function( object) {
+    if ( this.x_attr == null || this.y_attr == null)
+      return 1;
+
+    if ( this.update_attr.trim() !== "") {
+      this.update_a = new DynReference( this.dyn, this.update_attr);
+      this.update_a.connect(this.dyn);
+      if ( !this.update_a.sts) {
+	console.log( "XYCurve: " + this.update_attr);
+	this.update_a = null;
+      }
+    }
+
+    if ( this.noofpoints_attr.trim() !== "") {
+      this.noofpoints_a = new DynReference( this.dyn, this.noofpoints_attr);
+      this.noofpoints_a.connect(this.dyn);
+      if ( !this.noofpoints_a.sts) {
+	console.log( "XYCurve: " + this.noofpoints_attr);
+	this.noofpoints_a = null;
+      }
+    }
+
+    if ( this.y_minvalue_attr.trim() !== "") {
+      this.y_minvalue_a = new DynReference( this.dyn, this.y_minvalue_attr);
+      this.y_minvalue_a.connect(this.dyn);
+      if ( !this.y_minvalue_a.sts) {
+	console.log( "XYCurve: " + this.y_minvalue_attr);
+	this.y_minvalue_a = null;
+      }
+    }
+
+    if ( this.y_maxvalue_attr.trim() !== "") {
+      this.y_maxvalue_a = new DynReference( this.dyn, this.y_maxvalue_attr);
+      this.y_maxvalue_a.connect(this.dyn);
+      if ( !this.y_maxvalue_a.sts) {
+	console.log( "XYCurve: " + this.y_maxvalue_attr);
+	this.y_maxvalue_a = null;
+      }
+    }
+
+    if ( this.x_minvalue_attr.trim() !== "") {
+      this.x_minvalue_a = new DynReference( this.dyn, this.x_minvalue_attr);
+      this.x_minvalue_a.connect(this.dyn);
+      if ( !this.x_minvalue_a.sts) {
+	console.log( "XYCurve: " + this.x_minvalue_attr);
+	this.x_minvalue_a = null;
+      }
+    }
+
+    if ( this.x_maxvalue_attr.trim() !== "") {
+      this.x_maxvalue_a = new DynReference( this.dyn, this.x_maxvalue_attr);
+      this.x_maxvalue_a.connect(this.dyn);
+      if ( !this.x_maxvalue_a.sts) {
+	console.log( "XYCurve: " + this.x_maxvalue_attr);
+	this.x_maxvalue_a = null;
+      }
+    }
+
+    if ( this.y_mark1_attr.trim() !== "") {
+      this.y_mark1_a = new DynReference( this.dyn, this.y_mark1_attr);
+      this.y_mark1_a.connect(this.dyn);
+      if ( !this.y_mark1_a.sts) {
+	console.log( "XYCurve: " + this.y_mark1_attr);
+	this.y_mark1_a = null;
+      }
+    }
+
+    if ( this.y_mark2_attr.trim() !== "") {
+      this.y_mark2_a = new DynReference( this.dyn, this.y_mark2_attr);
+      this.y_mark2_a.connect(this.dyn);
+      if ( !this.y_mark2_a.sts) {
+	console.log( "XYCurve: " + this.y_mark2_attr);
+	this.y_mark2_a = null;
+      }
+    }
+
+    // Get curve number
+    this.curve_number = 0;
+    var m = this.instance;
+    while( m != 0) {
+      m = m >> 1;
+      this.curve_number++;
+    }
+
+    // Get number of curves
+    if ( this.instance == DynC.mInstance_1) {
+      m = this.instance_mask;
+      var noofcurves = 0;
+      while( m != 0) {
+	m = m >> 1;
+	noofcurves++;
+      }
+      object.set_xy_noofcurves( noofcurves);
+    }
+
+    this.noofpoints = object.get_no_of_points();
+    if ( Math.abs(this.y_max_value - this.y_min_value) > Number.MIN_VALUE)
+      object.set_xy_range_y( this.curve_number - 1, this.y_min_value, this.y_max_value);
+    if ( Math.abs(this.x_max_value - this.x_min_value) > Number.MIN_VALUE)
+      object.set_xy_range_x( this.curve_number - 1, this.x_min_value, this.x_max_value);
+    //object.set_xy_curve_color( this.curve_number - 1, this.curve_color, this.fill_color);
+    if ( this.mark1_color != Glow.eDrawType_Inherit || this.mark2_color != Glow.eDrawType_Inherit)
+      object.set_mark_color( this.mark1_color, this.mark2_color);
+    return 1;
+  };
+
+  this.disconnect = function() {
+    if ( this.update_a !== null)
+      this.update_a.disconnect(this.dyn);
+    if ( this.noofpoints_a !== null)
+      this.noofpoints_a.disconnect(this.dyn);
+    if ( this.y_minvalue_a !== null)
+      this.y_minvalue_a.disconnect(this.dyn);
+    if ( this.y_maxvalue_a !== null)
+      this.y_maxvalue_a.disconnect(this.dyn);
+    if ( this.x_minvalue_a !== null)
+      this.x_minvalue_a.disconnect(this.dyn);
+    if ( this.x_maxvalue_a !== null)
+      this.x_maxvalue_a.disconnect(this.dyn);
+    if ( this.x_mark1_a !== null)
+      this.x_mark1_a.disconnect(this.dyn);
+    if ( this.x_mark2_a !== null)
+      this.x_mark2_a.disconnect(this.dyn);
+    if ( this.y_mark1_a !== null)
+      this.y_mark1_a.disconnect(this.dyn);
+    if ( this.y_mark2_a !== null)
+      this.y_mark2_a.disconnect(this.dyn);
+  };
+
+  this.scan = function( object) {
+    var pname;
+    var attrSize;
+    var update = false;
+    var size = 1;
+    this.object = object;
+    this.noOfPoints = this.noofpoints;
+
+    if ( this.x_attr == null || this.y_attr == null)
+      return;
+
+    if ( this.firstScan)
+      update = true;
+
+    if ( this.update_a !== null) {
+      var value = this.update_a.get_ref_value(this.dyn);
+      if ( value && !this.update_a.oldValue)
+	update = true;
+      this.update_a.oldValue = value;
+    }
+
+    if ( this.noofpoints_a !== null) {
+      var value = this.noofpoints_a.get_ref_value(this.dyn);
+      if ( value != this.noofpoints_a.oldValue) {
+	update = true;
+	this.noofpoints = this.noOfPoints = value;
+	this.noofpoints_a.oldValue = value;
+      }
+    }
+
+    if ( this.y_minvalue_a !== null) {
+      var value = this.y_minvalue_a.get_ref_value(this.dyn);
+      if ( value != this.y_min_value) {
+	this.y_min_value = value;
+	if ( Math.abs(this.y_max_value - this.y_min_value) > Number.MIN_VALUE)
+	  object.set_xy_range_y( this.curve_number - 1, this.y_min_value, this.y_max_value);
+	update = true;
+      }
+    }
+    if ( this.y_maxvalue_a !== null) {
+      var value = this.y_maxvalue_a.get_ref_value(this.dyn);
+      if ( value != this.y_max_value) {
+	this.y_max_value = value;
+	if ( Math.abs(this.y_max_value - this.y_min_value) > Number.MIN_VALUE)
+	  object.set_xy_range_y( this.curve_number - 1, this.y_min_value, this.y_max_value);
+	update = true;
+      }
+    }
+
+    if ( this.x_minvalue_a !== null) {
+      var value = this.x_minvalue_a.get_ref_value(this.dyn);
+      if ( value != this.x_min_value) {
+	this.x_min_value = value;
+	if ( Math.abs(x_max_value - this.x_min_value) > Number.MIN_VALUE)
+	  object.set_xy_range_x( this.curve_number - 1, this.x_min_value, this.x_max_value);
+	update = true;
+      }
+    }
+    if ( this.x_maxvalue_a !== null) {
+      var value = this.x_maxvalue_a.get_ref_value(this.dyn);
+      if ( value != this.x_max_value) {
+	this.x_max_value = value;
+	if ( Math.abs(x_max_value - this.x_min_value) > Number.MIN_VALUE)
+	  object.set_xy_range_x( this.curve_number - 1, this.x_min_value, this.x_max_value);
+	update = true;
+      }
+    }
+
+    if ( this.x_mark1_a !== null) {
+      var mark1val = this.x_mark1_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark1val - this.x_mark1_a.oldValue) > Number.MIN_VALUE) {
+	object.set_x_mark1( mark1val);
+	this.x_mark1_a.oldValue = mark1val;
+      }
+    }
+    if ( this.x_mark2_a !== null) {
+      var mark2val = this.x_mark2_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark2val - this.x_mark2_a.oldValue) > Number.MIN_VALUE) {
+	object.set_x_mark2( mark2val);
+	this.x_mark2_a.oldValue = mark2val;
+      }
+    }
+    if ( this.y_mark1_a !== null) {
+      var mark1val = this.y_mark1_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark1val - this.y_mark1_a.oldValue) > Number.MIN_VALUE) {
+	object.set_y_mark1( mark1val);
+	this.y_mark1_a.oldValue = mark1val;
+      }
+    }
+    if ( this.y_mark2_a !== null) {
+      var mark2val = this.y_mark2_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark2val - this.y_mark2_a.oldValue) > Number.MIN_VALUE) {
+	object.set_y_mark2( mark2val);
+	this.y_mark2_a.oldValue = mark2val;
+      }
+    }
+
+    if ( update) {
+      pname = this.dyn.parseAttrName( this.x_attr);
+      attrSize = pname.elements;
+      this.xAttrType = pname.type;
+
+      switch ( this.datatype) {
+      case DynC.eCurveDataType_XYArrays:
+	if ( attrSize < this.noOfPoints)
+	  this.noOfPoints = attrSize;
+	size = this.noOfPoints;
+	break;
+      case DynC.eCurveDataType_PointArray:
+	if ( attrSize/2 < this.noOfPoints)
+	  this.noOfPoints = attrSize/2;
+	size = this.noOfPoints * 2;
+	break;
+      case DynC.eCurveDataType_TableObject:
+	if ( (attrSize-1)/2 < this.noOfPoints)
+	  this.noOfPoints = (attrSize-1)/2;
+	size = this.noOfPoints * 2 + 1;
+	break;
+      }
+      
+      // Read x-array
+      switch ( this.xAttrType) {
+      case Pwr.eType_Float32:
 	this.dyn.graph.getGdh().getObjectInfoFloatArray( pname.name, size,
 							 this.scan2, this);
 	break;
@@ -5899,160 +6679,677 @@ function DynXY_Curve( dyn) {
       case Pwr.eType_UInt32:
       case Pwr.eType_UInt16:
       case Pwr.eType_UInt8:
-	this.dyn.graph.getGdh().getObjectInfoIntArray( pname.name, size,
-						       this.scan2, this);
+	this.dyn.graph.getGdh().getObjectInfoIntArray( pname.name, size,
+						       this.scan2, this);
+	break;
+      default:
+	return;
+      }
+    }
+    this.firstScan = false;
+  };
+
+  this.scan2 = function( id, self, sts, value) {
+    switch ( self.xAttrType) {
+    case Pwr.eType_Float32:
+      if ( !(sts & 1))
+	return;
+      
+      switch ( self.datatype) {
+      case DynC.eCurveDataType_XYArrays:
+	self.curveX = new Array(self.noOfPoints);
+	for ( var i = 0; i < self.noOfPoints; i++)
+	  self.curveX[i] = value[i];
+	break;
+      case DynC.eCurveDataType_PointArray:
+	curveX = new Array(self.noOfPoints);
+	curveY = new Array(self.noOfPoints);
+	for ( var i = 0; i < self.noOfPoints; i++) {
+	  self.curveX[i] = value[2*i];
+	  self.curveY[i] = value[2*i+1];
+	}
+	self.dyn.repaintNow = true;
+	break;
+      case DynC.eCurveDataType_TableObject:
+	self.noOfPoints = Math.floor(value[0]);
+	if ( self.noOfPoints > self.noofpoints)
+	  self.noOfPoints = self.noofpoints;
+	if ( attrSize < self.noOfPoints)
+	  self.noOfPoints = attrSize;
+	self.curveY = new Array(self.noOfPoints);
+	self.curveX = new Array(self.noOfPoints);
+	for ( var i = 0; i < self.noOfPoints; i++) {
+	  self.curveX[i] = value[2*i+1];
+	  self.curveY[i] = value[2*i+2];
+	}
+	self.dyn.repaintNow = true;
+	break;
+      }
+      break;
+    case Pwr.eType_Int32:
+    case Pwr.eType_Int16:
+    case Pwr.eType_Int8:
+    case Pwr.eType_UInt32:
+    case Pwr.eType_UInt16:
+    case Pwr.eType_UInt8:
+      if ( !(sts & 1))
+	return;    
+      switch ( self.datatype) {
+      case DynC.eCurveDataType_XYArrays:
+	self.curveX = new Array(self.noOfPoints);
+	for ( var i = 0; i < self.noOfPoints; i++)
+	  self.curveX[i] = value[i];
+	break;
+      case DynC.eCurveDataType_PointArray:
+	self.curveX = new Array(self.noOfPoints);
+	self.curveY = new Array(self.noOfPoints);
+	for ( var i = 0; i < self.noOfPoints; i++) {
+	  self.curveX[i] = value[2*i];
+	  self.curveY[i] = value[2*i+1];
+	}
+	self.dyn.repaintNow = true;
+	break;
+      case DynC.eCurveDataType_TableObject:
+	self.noOfPoints = Math.floor(value[0]);
+	if ( self.noOfPoints > self.noofpoints)
+	  self.noOfPoints = self.noofpoints;
+	if ( attrSize < self.noOfPoints)
+	  self.noOfPoints = attrSize;
+	self.curveY = new Array(self.noOfPoints);
+	self.curveX = new Array(self.noOfPoints);
+	for ( var i = 0; i < self.noOfPoints; i++) {
+	  self.curveX[i] = value[2*i+1];
+	  self.curveY[i] = value[2*i+2];
+	}
+	self.dyn.repaintNow = true;
+	break;
+      }
+      break;
+    default:
+      return;
+    }
+
+    // Read y-array
+    switch ( self.datatype) {
+    case DynC.eCurveDataType_XYArrays:
+      var pname = self.dyn.parseAttrName( self.y_attr);
+      if ( pname.elements < self.noOfPoints)
+	self.noOfPoints = pname.elements;
+      self.yAttrType = pname.type;
+      self.curveY = new Array(self.noOfPoints);
+
+      switch ( self.yAttrType) {
+      case Pwr.eType_Float32:
+	self.dyn.graph.getGdh().getObjectInfoFloatArray( pname.name, self.noOfPoints,
+							 self.scan3, self);
+	break;
+      case Pwr.eType_Int32:
+      case Pwr.eType_Int16:
+      case Pwr.eType_Int8:
+      case Pwr.eType_UInt32:
+      case Pwr.eType_UInt16:
+      case Pwr.eType_UInt8:
+	self.dyn.graph.getGdh().getObjectInfoIntArray( pname.name, self.noOfPoints,
+						       self.scan3, self);
+	break;
+      default:
+	return;
+      }
+      break;
+    }
+  };
+
+
+  this.scan3 = function( id, self, sts, value) {
+    if ( !(sts & 1))
+      return;
+
+    switch ( self.datatype) {
+    case DynC.eCurveDataType_XYArrays:
+      switch ( self.yAttrType) {
+      case Pwr.eType_Float32:
+	for ( var i = 0; i < self.noOfPoints; i++)
+	  self.curveY[i] = value[i];
+	self.dyn.repaintNow = true;
+	break;
+      case Pwr.eType_Int32:
+      case Pwr.eType_Int16:
+      case Pwr.eType_Int8:
+      case Pwr.eType_UInt32:
+      case Pwr.eType_UInt16:
+      case Pwr.eType_UInt8:
+	for ( var i = 0; i < self.noOfPoints; i++)
+	  self.curveY[i] = value[i];
+	
+	self.dyn.repaintNow = true;
+	
 	break;
       default:
 	return;
       }
+      break;
+    }
+    
+    self.object.set_xy_data( self.curveY, self.curveX, self.curve_number - 1, self.noOfPoints);
+  };
+};
+
+
+function DynSevHist( dyn) {
+  this.dyn = dyn;
+  this.dyn_type1 = 0;
+  this.dyn_type2 = DynC.mDynType2_SevHist;
+  this.action_type1 = 0;
+  this.action_type2 = 0;
+  this.prio = DynC.eDynPrio_SevHist;
+  this.instance_mask = 0;
+  this.instance = 0;
+
+  this.direction;
+  this.timerange = 0;
+  this.updatetime = 1;
+  this.timerange_a = null;
+  this.minvalue_a1 = null;
+  this.maxvalue_a1 = null;
+  this.minvalue_a2 = null;
+  this.maxvalue_a2 = null;
+  this.hold_a = null;
+  this.update_a = null;
+  this.mark1_a = null;
+  this.mark2_a = null;
+  this.sevhist_object1 = null;
+  this.sevhist_object2 = null;
+  this.attribute1 = null;
+  this.attribute2 = null;
+  this.timerange_attr = null;
+  this.minvalue_attr1 = null;
+  this.maxvalue_attr1 = null;
+  this.minvalue_attr2 = null;
+  this.maxvalue_attr2 = null;
+  this.hold_attr = null;
+  this.update_attr = null;
+  this.mark1_attr = null;
+  this.mark2_attr = null;
+  this.mark1_color;
+  this.mark2_color;
+  this.firstScan = true;
+  this.scan_time;
+  this.acc_time;
+  this.no_of_points;
+  this.trend_hold;
+  this.orig_graph_scan_time;
+  this.orig_graph_fast_scan_time;
+  this.orig_graph_animation_scan_time;
+  this.buff_cnt = 0;
+  this.initialized = 0;
+  this.has_sevhist_object = 0;
+  this.no_of_points;
+  this.oid1 = new PwrtObjid(0,0);
+  this.oid2 = new PwrtObjid(0,0);
+  this.curve_cnt = 0;
+  this.vtype1;
+  this.vtype2;
+								    
+  this.connect = function( object) {
+
+    this.no_of_points = object.get_no_of_points();
+    this.direction = object.get_direction();
+    this.scan_time = object.get_scan_time();
+    this.acc_time = this.scan_time;
+    this.trend_hold = 0;
+    
+
+    if ( this.minvalue_attr1.trim() !== "") {
+      this.minvalue_a1 = new DynReference( this.dyn, this.minvalue_attr1);
+      this.minvalue_a1.connect(this.dyn);
+      if ( !this.minvalue_a1.sts) {
+	this.minvalue_a1 = null;
+	console.log("SevHist: " + this.minvalue_attr1);
+      }
+    }
+
+    if ( this.maxvalue_attr1.trim() !== "") {
+      this.maxvalue_a1 = new DynReference( this.dyn, this.maxvalue_attr1);
+      this.maxvalue_a1.connect(this.dyn);
+      if ( !this.maxvalue_a1.sts) {
+	this.maxvalue_a1 = null;
+	console.log("SevHist: " + this.maxvalue_attr1);
+      }
+    }
+
+    if ( this.minvalue_attr2.trim() !== "") {
+      this.minvalue_a2 = new DynReference( this.dyn, this.minvalue_attr2);
+      this.minvalue_a2.connect(this.dyn);
+      if ( !this.minvalue_a2.sts) {
+	this.minvalue_a2 = null;
+	console.log("SevHist: " + this.minvalue_attr2);
+      }
+    }
+
+    if ( this.maxvalue_attr2.trim() !== "") {
+      this.maxvalue_a2 = new DynReference( this.dyn, this.maxvalue_attr2);
+      this.maxvalue_a2.connect(this.dyn);
+      if ( !this.maxvalue_a2.sts) {
+	this.maxvalue_a2 = null;
+	console.log("SevHist: " + this.maxvalue_attr2);
+      }
+    }
+
+    if ( this.hold_attr.trim() !== "") {
+      this.hold_a = new DynReference( this.dyn, this.hold_attr);
+      this.hold_a.connect(this.dyn);
+      if ( !this.hold_a.sts) {
+	this.hold_a = null;
+	console.log("SevHist: " + this.hold_attr);
+      }
+    }
+
+    if ( this.update_attr.trim() !== "") {
+      this.update_a = new DynReference( this.dyn, this.update_attr);
+      this.update_a.connect(this.dyn);
+      if ( !this.update_a.sts) {
+	this.update_a = null;
+	console.log("SevHist: " + this.update_attr);
+      }
+    }
+
+    if ( this.mark1_attr !== null && this.mark1_attr.trim() !== "") {
+      this.mark1_a = new DynReference( this.dyn, this.mark1_attr);
+      this.mark1_a.connect(this.dyn);
+      if ( !this.mark1_a.sts) {
+	this.mark1_a = null;
+	console.log("SevHist: " + this.mark1_attr);
+      }
+    }
+
+    if ( this.mark2_attr !== null && this.mark2_attr.trim() !== "") {
+      this.mark2_a = new DynReference( this.dyn, this.mark2_attr);
+      this.mark2_a.connect(this.dyn);
+      if ( !this.mark2_a.sts) {
+	this.mark2_a = null;
+	console.log("SevHist: " + this.mark2_attr);
+      }
+    }
+
+    if ( this.timerange_attr !== null && this.timerange_attr.trim() !== "") {
+      this.timerange_a = new DynReference( this.dyn, this.timerange_attr);
+      this.timerange_a.connect(this.dyn);
+      if ( !this.timerange_a.sts) {
+	this.timerange_a = null;
+	console.log("SevHist: " + this.timerange_attr);
+      }
+    }
+
+    this.no_of_points = object.get_no_of_points();
+    if ( this.mark1_color != Glow.eDrawType_Inherit || this.mark2_color != Glow.eDrawType_Inherit)
+      object.set_mark_color( this.mark1_color, this.mark2_color);
+    if (this.timerange > Number.MIN_VALUE) {
+      object.set_xy_range_x(0, this.timerange, 0);
+      object.set_xy_range_x(1, this.timerange, 0);
+    }
+    if (this.sevhist_object1 !== "")
+      this.dyn.graph.getGdh().getSevHistInfo(this.sevhist_object1, 
+					     this.connect2, this);
+    else if (this.attribute1 !== "") {
+      this.curve_cnt++;
+      if (this.attribute2 !== "")
+	this.curve_cnt++;
+      this.initialized = 1;
+    }
+  };
+
+  this.connect2 = function( id, data, sts, result) {
+    console.log("connect2", sts);
+    if ( sts & 1 != 0) {
+      var self = data;
+      self.oid1 = result[0];
+      self.attribute1 = result[1];
+      self.server = result[2];
+      self.has_sevhist_object;
+      self.curve_cnt++;
+      if (self.sevhist_object2 !== "")
+	self.dyn.graph.getGdh().getSevHistInfo(self.sevhist_object2, 
+					       self.connect3, self);
+      else
+	self.initialized = 1;
+    }
+    return 1;
+  };
+
+  this.connect3 = function( id, data, sts, result) {
+    console.log("connect3", sts);
+    if ( sts & 1 != 0) {
+      var self = data;
+      self.oid2 = result[0];
+      self.attribute2 = result[1];
+      self.server = result[2];
+      self.curve_cnt++;
+      self.initialized = 1;
+    }
+    return 1;
+  };
+
+  this.disconnect = function() {
+    if ( this.timerange_a != null)
+      this.timerange_a.disconnect(this.dyn);
+    if ( this.minvalue_a1 != null)
+      this.minvalue_a1.disconnect(this.dyn);
+    if ( this.maxvalue_a1 != null)
+      this.maxvalue_a1.disconnect(this.dyn);
+    if ( this.minvalue_a2 != null)
+      this.minvalue_a2.disconnect(this.dyn);
+    if ( this.maxvalue_a2 != null)
+      this.maxvalue_a2.disconnect(this.dyn);
+    if ( this.hold_a != null)
+      this.hold_a.disconnect(this.dyn);
+    if ( this.update_a != null)
+      this.update_a.disconnect(this.dyn);
+    if ( this.mark1_a != null)
+      this.mark1_a.disconnect(this.dyn);
+    if ( this.mark2_a != null)
+      this.mark2_a.disconnect(this.dyn);
+  };
+
+  this.scan = function( object) {
+    var new_curve = 0;
+    var i;
+    if ( !this.initialized)
+      return;
+    if ( this.hold_a !== null && !this.firstScan) {
+      var holdval = this.hold_a.get_ref_value(this.dyn);
+      if ( holdval)
+	return;
+    }
+
+    if ( this.update_a !== null) {
+      var value = this.update_a.get_ref_value(this.dyn);
+      if ( value && !this.update_a.oldValue)
+	new_curve = 1;
+      this.update_a.oldValue = value;
+    }
+
+    if ( this.timerange_a !== null) {
+      this.timerange = this.timerange_a.get_ref_value(this.dyn);
+      if ( this.timerange != this.timerange_a.oldValue) {
+	object.set_xy_range_x(0, this.timerange, 0);
+	if (this.curve_cnt > 1)
+	  object.set_xy_range_x(1, this.timerange, 0);
+	this.timerange_a.oldValue = this.timerange;
+	new_curve = 1;
+      }
+    }
+
+    var minval, maxval;
+    if ( this.maxvalue_a1 !== null && this.minvalue_a1 !== null) {
+      minval = this.minvalue_a1.get_ref_value(this.dyn);
+      maxval = this.maxvalue_a1.get_ref_value(this.dyn);
+      if ( minval != this.minvalue_a1.oldValue ||
+	   maxval != this.maxvalue_a1.oldValue) {
+	if ( Math.abs( maxval - minval) > Number.MIN_VALUE)
+	  object.set_range_y( 0, minval, maxval);
+	this.minvalue_a1.oldValue = minval;
+	this.maxvalue_a1.oldValue = maxval;
+	new_curve = 1;
+      }
+    }
+
+    if ( this.maxvalue_a2 !== null && this.minvalue_a2 !== null) {
+      minval = this.minvalue_a2.get_ref_value(this.dyn);
+      maxval = this.maxvalue_a2.get_ref_value(this.dyn);
+      if ( minval != this.minvalue_a2.oldValue ||
+	   maxval != this.maxvalue_a2.oldValue) {
+	if ( Math.abs( maxval - minval) > Number.MIN_VALUE)
+	  object.set_range_y( 1, minval, maxval);
+	this.minvalue_a2.oldValue = minval;
+	this.maxvalue_a2.oldValue = maxval;
+	new_curve = 1;
+      }
+    }
+
+    if ( this.mark1_a !== null) {
+      var mark1val = this.mark1_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark1val - this.mark1_a.oldValue) > Number.MIN_VALUE) {
+	object.set_y_mark1( mark1val);
+	this.mark1_a.oldValue = mark1val;
+      }
+    }
+    if ( this.mark2_a !== null) {
+      var mark2val = this.mark2_a.get_ref_value(this.dyn);
+      if ( this.firstScan || Math.abs( mark2val - this.mark2_a.oldValue) > Number.MIN_VALUE) {
+	object.set_y_mark2( mark2val);
+	this.mark2_a.oldValue = mark2val;
+      }
     }
+
+    if ( this.firstScan) {
       this.firstScan = false;
-  };
+      new_curve = 1;
+    }
 
-  this.scan2 = function( id, self, sts, value) {
-    switch ( self.xAttrType) {
-    case Pwr.eType_Float32:
-      if ( !(sts & 1))
-	return;
+    if ( this.cycle == Glow.eCycle_Slow)
+      this.acc_time += this.dyn.graph.getScanTime();
+    else
+      this.acc_time += this.dyn.graph.getFastScanTime();
+    if ( new_curve || this.acc_time + Number.MIN_VALUE >= this.updatetime) {
+      //if (new_curve) {
+      this.acc_time = 0;
 
-      switch ( self.datatype) {
-      case DynC.eCurveDataType_XYArrays:
-	self.curveX = new Array(self.noOfPoints);
-	for ( var i = 0; i < self.noOfPoints; i++)
-	  self.curveX[i] = value[i];
-	break;
-      case DynC.eCurveDataType_PointArray:
-	curveX = new Array(self.noOfPoints);
-	curveY = new Array(self.noOfPoints);
-	for ( var i = 0; i < self.noOfPoints; i++) {
-	  self.curveX[i] = value[2*i];
-	  self.curveY[i] = value[2*i+1];
+      var data = new Array(2);
+      data[0] = this;
+      data[1] = object;
+      this.dyn.graph.getGdh().getSevHistData(this.timerange, this.no_of_points,
+	 this.server, this.oid1, this.attribute1, this.scan2, data);
     }
-	self.dyn.repaintNow = true;
-	break;
-      case DynC.eCurveDataType_TableObject:
-	self.noOfPoints = Math.floor(value[0]);
-	if ( self.noOfPoints > self.noofpoints)
-	  self.noOfPoints = self.noofpoints;
-	if ( attrSize < self.noOfPoints)
-	  self.noOfPoints = attrSize;
-	self.curveY = new Array(self.noOfPoints);
-	self.curveX = new Array(self.noOfPoints);
-	for ( var i = 0; i < self.noOfPoints; i++) {
-	  self.curveX[i] = value[2*i+1];
-	  self.curveY[i] = value[2*i+2];
+  };
+
+  this.scan2 = function( id, data, sts, result) {
+    if ( sts & 1 != 0) {
+      var self = data[0];
+      var object = data[1];
+      self.vtype1 = result[0];
+      var size = result[1];
+      var tbuf = result[2];
+      var vbuf = result[3];
+
+      if (self.direction == Glow.eHorizDirection_Right) {
+	for (var k = 0; k < tbuf.length; k++)
+	  tbuf[k] = self.timerange - tbuf[k];
       }
-	self.dyn.repaintNow = true;
-	break;
+
+      var tdata;
+      var vdata;
+      var points;
+      switch (self.vtype1) {
+      case Pwr.eType_Boolean:
+	points = 0;
+	size = 2*tbuf.length;
+	tdata = new Array(size);
+	vdata = new Array(size);
+	for (var k = 0; k < tbuf.length; k++) {
+	  if (k == 0) {
+	    vdata[points] = vbuf[k];
+	    tdata[points++] = tbuf[k];
 	  }
-      break;
-    case Pwr.eType_Int32:
-    case Pwr.eType_Int16:
-    case Pwr.eType_Int8:
-    case Pwr.eType_UInt32:
-    case Pwr.eType_UInt16:
-    case Pwr.eType_UInt8:
-      if ( !(sts & 1))
-	return;    
-      switch ( self.datatype) {
-      case DynC.eCurveDataType_XYArrays:
-	self.curveX = new Array(self.noOfPoints);
-	for ( var i = 0; i < self.noOfPoints; i++)
-	  self.curveX[i] = value[i];
-	break;
-      case DynC.eCurveDataType_PointArray:
-	self.curveX = new Array(self.noOfPoints);
-	self.curveY = new Array(self.noOfPoints);
-	for ( var i = 0; i < self.noOfPoints; i++) {
-	  self.curveX[i] = value[2*i];
-	  self.curveY[i] = value[2*i+1];
+	  else if (vbuf[k] != vbuf[k-1]) {
+	    vdata[points] = vbuf[k-1];	  
+	    tdata[points++] = tbuf[k];
+	    vdata[points] = vbuf[k];
+	    tdata[points++] = tbuf[k];
 	  }
-	self.dyn.repaintNow = true;
-	break;
-      case DynC.eCurveDataType_TableObject:
-	self.noOfPoints = Math.floor(value[0]);
-	if ( self.noOfPoints > self.noofpoints)
-	  self.noOfPoints = self.noofpoints;
-	if ( attrSize < self.noOfPoints)
-	  self.noOfPoints = attrSize;
-	self.curveY = new Array(self.noOfPoints);
-	self.curveX = new Array(self.noOfPoints);
-	for ( var i = 0; i < self.noOfPoints; i++) {
-	  self.curveX[i] = value[2*i+1];
-	  self.curveY[i] = value[2*i+2];
+	  else if (k == tbuf.lenght - 1) {
+	    vdata[points] = vbuf[k];
+	    tdata[points++] = tbuf[k];
 	  }
-	self.dyn.repaintNow = true;
-	break;
 	}
 	break;
       default:
-      return;
+	points = size;
+	tdata = tbuf;
+	vdata = vbuf;
       }
+      object.set_xy_data(vdata, tdata, 0, points);
+    }    
+    if (self.curve_cnt > 1) {
+      var data2 = new Array(2);
+      data2[0] = self;
+      data2[1] = object;
+      self.dyn.graph.getGdh().getSevHistData(self.timerange, self.no_of_points,
+	  self.server, self.oid2, self.attribute2, self.scan3, data2);
+    }
+  };
 
-    // Read y-array
-    switch ( self.datatype) {
-    case DynC.eCurveDataType_XYArrays:
-      var pname = self.dyn.parseAttrName( self.y_attr);
-      if ( pname.elements < self.noOfPoints)
-	self.noOfPoints = pname.elements;
-      self.yAttrType = pname.type;
-      self.curveY = new Array(self.noOfPoints);
-
-      switch ( self.yAttrType) {
-      case Pwr.eType_Float32:
-	self.dyn.graph.getGdh().getObjectInfoFloatArray( pname.name, self.noOfPoints,
-							 self.scan3, self);
-	break;
-      case Pwr.eType_Int32:
-      case Pwr.eType_Int16:
-      case Pwr.eType_Int8:
-      case Pwr.eType_UInt32:
-      case Pwr.eType_UInt16:
-      case Pwr.eType_UInt8:
-	self.dyn.graph.getGdh().getObjectInfoIntArray( pname.name, self.noOfPoints,
-						       self.scan3, self);
+  this.scan3 = function( id, data, sts, result) {
+    if ( sts & 1 != 0) {
+      var self = data[0];
+      var object = data[1];
+      self.vtype2 = result[0];
+      var size = result[1];
+      var tbuf = result[2];
+      var vbuf = result[3];
+      //console.log("scan3", self.curve_cnt, size, self.vtype2);
+
+      if (self.direction == Glow.eHorizDirection_Right) {
+	for (var k = 0; k < tbuf.length; k++)
+	  tbuf[k] = self.timerange - tbuf[k];
+      }
+      var tdata;
+      var vdata;
+      var points;
+      switch (self.vtype1) {
+      case Pwr.eType_Boolean:
+	points = 0;
+	size = 2*tbuf.length;
+	tdata = new Array(size);
+	vdata = new Array(size);
+	for (var k = 0; k < tbuf.length; k++) {
+	  if (k == 0) {
+	    vdata[points] = vbuf[k];
+	    tdata[points++] = tbuf[k];
+	  }
+	  else if (vbuf[k] != vbuf[k-1]) {
+	    vdata[points] = vbuf[k-1];	  
+	    tdata[points++] = tbuf[k];
+	    vdata[points] = vbuf[k];
+	    tdata[points++] = tbuf[k];
+	  }
+	  else if (k == tbuf.lenght - 1) {
+	    vdata[points] = vbuf[k];
+	    tdata[points++] = tbuf[k];
+	  }
+	}
 	break;
       default:
-	return;
+	points = size;
+	tdata = tbuf;
+	vdata = vbuf;
       }
-      break;
+      object.set_xy_data(vdata, tdata, 1, points);
     }    
   };
 
+  this.action = function( object, e) {
+    return 1;
+  };
 
-  this.scan3 = function( id, self, sts, value) {
-    if ( !(sts & 1))
-      return;
+  this.open = function( lines, row) {
+    var end = false;
+    var i;
+    var elem;
 
-    switch ( self.datatype) {
-    case DynC.eCurveDataType_XYArrays:
-      switch ( self.yAttrType) {
-      case Pwr.eType_Float32:
-	for ( var i = 0; i < self.noOfPoints; i++)
-	  self.curveY[i] = value[i];
-	self.dyn.repaintNow = true;
-	break;
-      case Pwr.eType_Int32:
-      case Pwr.eType_Int16:
-      case Pwr.eType_Int8:
-      case Pwr.eType_UInt32:
-      case Pwr.eType_UInt16:
-      case Pwr.eType_UInt8:
-	for ( var i = 0; i < self.noOfPoints; i++)
-	  self.curveY[i] = value[i];
+    for ( i = row; i < lines.length; i++) {
+      var tokens = lines[i].split(' ');
+      var key = parseInt(tokens[0], 10);
 
-	self.dyn.repaintNow = true;
+      if ( this.dyn.debug) console.log( "DynSevHist : " + lines[i]);
+
+      elem = null;
 
+      switch ( key) {
+      case DynC.eSave_SevHist: 
+	break;
+      case DynC.eSave_SevHist_sevhist_object1: 
+	if ( tokens.length > 1)
+	  this.sevhist_object1 = tokens[1];
+	break;
+      case DynC.eSave_SevHist_sevhist_object2: 
+	if ( tokens.length > 1)
+	  this.sevhist_object2 = tokens[1];
+	break;
+      case DynC.eSave_SevHist_attribute1: 
+	if ( tokens.length > 1)
+	  this.attribute1 = tokens[1];
+	break;
+      case DynC.eSave_SevHist_attribute2: 
+	if ( tokens.length > 1)
+	  this.attribute2 = tokens[1];
+	break;
+      case DynC.eSave_SevHist_server: 
+	if ( tokens.length > 1)
+	  this.server = tokens[1];
+	break;
+      case DynC.eSave_SevHist_timerange: 
+	this.timerange = parseFloat( tokens[1]);
+	break;
+      case DynC.eSave_SevHist_updatetime: 
+	this.updatetime = parseFloat( tokens[1]);
+	break;
+      case DynC.eSave_SevHist_timerange_attr: 
+	if ( tokens.length > 1)
+	  this.timerange_attr = tokens[1];
+	break;
+      case DynC.eSave_SevHist_minvalue_attr1: 
+	if ( tokens.length > 1)
+	  this.minvalue_attr1 = tokens[1];
+	break;
+      case DynC.eSave_SevHist_maxvalue_attr1: 
+	if ( tokens.length > 1)
+	  this.maxvalue_attr1 = tokens[1];
+	break;
+      case DynC.eSave_SevHist_minvalue_attr2: 
+	if ( tokens.length > 1)
+	  this.minvalue_attr2 = tokens[1];
+	break;
+      case DynC.eSave_SevHist_maxvalue_attr2: 
+	if ( tokens.length > 1)
+	  this.maxvalue_attr2 = tokens[1];
+	break;
+      case DynC.eSave_SevHist_hold_attr: 
+	if ( tokens.length > 1)
+	  this.hold_attr = tokens[1];
+	break;
+      case DynC.eSave_SevHist_update_attr: 
+	if ( tokens.length > 1)
+	  this.update_attr = tokens[1];
+	break;
+      case DynC.eSave_SevHist_mark1_attr: 
+	if ( tokens.length > 1)
+	  this.mark1_attr = tokens[1];
+	break;
+      case DynC.eSave_SevHist_mark2_attr: 
+	if ( tokens.length > 1)
+	  this.mark2_attr = tokens[1];
+	break;
+      case DynC.eSave_SevHist_mark1_color: 
+	this.mark1_color = parseInt(tokens[1], 10);
+	break;
+      case DynC.eSave_SevHist_mark2_color: 
+	this.mark2_color = parseInt(tokens[1], 10);
+	break;
+      case DynC.eSave_End:
+	end = true;
 	break;
       default:
-	return;
-      }
+	console.log( "Syntax error in DynSevHist", row, key);
 	break;
       }
 
-    self.object.set_xy_data( self.curveY, self.curveX, self.curve_number - 1, self.noOfPoints);
+      if ( end)
+	break;
+    }    
+    return i;
   };
-};
+}
+
 
 function DynPie( dyn) {
   this.dyn = dyn;

sev/lib/sev/src/sev_dbms.cpp

@@ -1417,7 +1417,6 @@ int sev_dbms::write_value(pwr_tStatus* sts, int item_idx, int attr_idx,
           }
           break;
         case pwr_eType_UInt32:
-        case pwr_eType_Boolean:
           if ((feqf(m_items[item_idx].deadband, 0.0f)
                   && !memcmp(
                          buf, m_items[item_idx].old_value, sizeof(pwr_tUInt32)))
@@ -1430,6 +1429,14 @@ int sev_dbms::write_value(pwr_tStatus* sts, int item_idx, int attr_idx,
             *(pwr_tUInt32*)m_items[item_idx].old_value = *(pwr_tUInt32*)buf;
           }
           break;
+        case pwr_eType_Boolean:
+	  if (*(pwr_tBoolean*)buf == *(pwr_tBoolean*)m_items[item_idx].old_value) {
+            return 1;
+          } else {
+            m_items[item_idx].deadband_active = 0;
+            *(pwr_tBoolean*)m_items[item_idx].old_value = *(pwr_tBoolean*)buf;
+          }
+          break;
         case pwr_eType_UInt16:
           if ((feqf(m_items[item_idx].deadband, 0.0f)
                   && !memcmp(

src/lib/rt/src/rt_cbuf.c

@@ -440,7 +440,14 @@ pwr_tStatus cbuf_UpdateCircBuffInfo(cbuf_sCircBuffInfo* info, int infosize)
           first_index = info[j].last_idx;
           last_index = hp->LastIndex;
           start_idx = last_index - info[j].samples;
-          if (first_index < last_index) {
+	  if (first_index == last_index) {
+	    info[j].last_idx = last_index;
+	    info[j].first_idx = first_index;
+	    info[j].offset = 0;
+	    info[j].size = 0;
+	    break;
+	  }
+          else if (first_index < last_index) {
             if (first_index > start_idx)
               start_idx = first_index;
           } else {

wb/exp/wb/src/pwr_wb_palette.cnf

@@ -287,6 +287,7 @@ palette NavigatorPalette
       class SysMonConfig
       class WebHandler
       class WebBrowserConfig
+      class WebSocketServer
     }
     menu IO
     {