second example to be able to define the volume its package contains

dream/simulation/Examples/MilkPlant02.py

+from dream.simulation.applications.MilkPlant.imports import *
+from dream.simulation.imports import ExcelHandler, ExitJobShop
+from dream.simulation.Globals import runSimulation
+
+# how many liters is one milk pack
+milkUnit=1.0
+
+T1=MilkTank('T1','T1',capacity=3200/float(milkUnit))
+T2=MilkTank('T2','T2',capacity=2600/float(milkUnit))
+T3=MilkTank('T3','T3',capacity=7000/float(milkUnit))
+
+Tr1=MilkTransport('Tr1','Tr1')
+Tr2=MilkTransport('Tr2','Tr2')
+Tr3=MilkTransport('Tr3','Tr3')
+
+E=ExitJobShop('E','Exit')
+
+route1=[{"stationIdsList": ["T1"]},
+         {"stationIdsList": ["Tr1"],"processingTime":{'Fixed':{'mean':0.034682*milkUnit}}},
+         {"stationIdsList": ["T2"]},
+         {"stationIdsList": ["Tr2"],"processingTime":{'Fixed':{'mean':0}},'volume':1000},
+         {"stationIdsList": ["E"]}]
+
+route2=[{"stationIdsList": ["T3"]},
+         {"stationIdsList": ["Tr3"],"processingTime":{'Fixed':{'mean':0.222222*milkUnit}}},
+         {"stationIdsList": ["T2"]},
+         {"stationIdsList": ["Tr2"],"processingTime":{'Fixed':{'mean':0}},'volume':1000},
+         {"stationIdsList": ["E"]}]
+
+MPList=[]       
+for i in range(int(865/float(milkUnit))):
+    MP=MilkPack('MT_A'+str(i),'MT_A'+str(i),route=list(route1),liters=milkUnit,fat=3.8,productId=1)
+    MPList.append(MP)
+     
+for i in range(int(135/float(milkUnit))):
+    MP=MilkPack('MT_B'+str(i),'MT_B'+str(i),route=route2,currentStation=T3,liters=milkUnit,fat=0.1,productId=1)
+    MPList.append(MP)
+        
+runSimulation([T1,T2,T3,Tr1,Tr2,Tr3,E]+MPList, 1000,trace='Yes')
+ExcelHandler.outputTrace('MilkPlant2')
+
+print 1
\ No newline at end of file