Use the scheduledTransportedVolume instead to make the observation

models/Observer.gaml

@@ -400,20 +400,19 @@ global {
 				sumLeavingMaritimeVehicleRO <- sumLeavingMaritimeVehicleRO + length(t.leavingVehicles_maritime);
 
 				ask t.leavingVehicles_maritime {
-					myself.sumLeavingQuantitiesRO <- myself.sumLeavingQuantitiesRO + self.currentTransportedVolume;
-					myself.sumLeavingMaritimeQuantitiesRO <- myself.sumLeavingMaritimeQuantitiesRO + self.currentTransportedVolume;
+					myself.sumLeavingQuantitiesRO <- myself.sumLeavingQuantitiesRO + self.scheduledTransportedVolume;
+					myself.sumLeavingMaritimeQuantitiesRO <- myself.sumLeavingMaritimeQuantitiesRO + self.scheduledTransportedVolume;
 				}
 
 				ask t.leavingVehicles_road {
-					myself.sumLeavingQuantitiesRO <- myself.sumLeavingQuantitiesRO + self.currentTransportedVolume;
-					myself.sumLeavingRoadQuantitiesRO <- myself.sumLeavingRoadQuantitiesRO + self.currentTransportedVolume;
+					myself.sumLeavingQuantitiesRO <- myself.sumLeavingQuantitiesRO + self.scheduledTransportedVolume;
+					myself.sumLeavingRoadQuantitiesRO <- myself.sumLeavingRoadQuantitiesRO + self.scheduledTransportedVolume;
 				}
 
 				ask t.leavingVehicles_river {
-					myself.sumLeavingQuantitiesRO <- myself.sumLeavingQuantitiesRO + self.currentTransportedVolume;
-					myself.sumLeavingRiverQuantitiesRO <- myself.sumLeavingRiverQuantitiesRO + self.currentTransportedVolume;
+					myself.sumLeavingQuantitiesRO <- myself.sumLeavingQuantitiesRO + self.scheduledTransportedVolume;
+					myself.sumLeavingRiverQuantitiesRO <- myself.sumLeavingRiverQuantitiesRO + self.scheduledTransportedVolume;
 				}
-
 				j <- j + 1;
 			}
 

models/Vehicle.gaml

@@ -14,6 +14,7 @@ species Vehicle skills:[MovingOnNetwork] {
 	Building source; // where the vehicle comes from
 	list<Commodity> scheduledCommodities; // marchandises qui devraient être transportées
 	list<Commodity> transportedCommodities; // commodities really transported
+	float scheduledTransportedVolume <- 0;
 	float currentTransportedVolume; // quantité de marchandise actuellement transportees
 	bool readyToMove <- false;
 	string networkType;