add getCoordinateReference to simulation api

VadereManager/src/org/vadere/manager/client/TestClient.java

@@ -471,6 +471,11 @@ public class TestClient extends org.vadere.manager.client.AbstractTestClient imp
 
 	}
 
+	@Override
+	public void simulationapi_getCoordinateReference(String[] args) throws IOException {
+
+	}
+
 	@Override
 	public void simulationapi_getTime(String[] args) throws IOException {
 		TraCIResponse res = simulationapi.getTime();

VadereManager/src/org/vadere/manager/traci/commandHandler/SimulationCommandHandler.java

@@ -16,6 +16,7 @@ import org.vadere.manager.traci.commands.TraCISetCommand;
 import org.vadere.manager.traci.commands.get.TraCIGetCacheHashCommand;
 import org.vadere.manager.traci.commands.get.TraCIGetCompoundPayload;
 import org.vadere.manager.traci.compound.CompoundObject;
+import org.vadere.manager.traci.compound.object.CoordRef;
 import org.vadere.manager.traci.compound.object.PointConverter;
 import org.vadere.manager.traci.compound.object.SimulationCfg;
 import org.vadere.manager.traci.response.TraCIGetResponse;
@@ -250,6 +251,23 @@ public class SimulationCommandHandler extends CommandHandler<SimulationVar> {
 	}
 
 
+	@SimulationHandler(cmd = TraCICmd.GET_SIMULATION_VALUE, var = SimulationVar.COORD_REF,
+			name = "getCoordinateReference", dataTypeStr = "ArrayList<String>", ignoreElementId = true)
+	public TraCICommand process_GetCoordinateReference(TraCIGetCommand cmd, RemoteManager remoteManager){
+		remoteManager.accessState((manager, state) -> {
+			ReferenceCoordinateSystem coord =
+					state.getScenarioStore().getTopography()
+							.getAttributes().getReferenceCoordinateSystem();
+			coord.initialize();
+			CompoundObject o = CoordRef.asCompoundObject(
+					coord.getEpsgCode(),
+					coord.getTranslation()
+			);
+			cmd.setResponse(responseOK(SimulationVar.COORD_REF.type, o));
+		});
+
+		return cmd;
+	}
 
 
 	public TraCICommand processValueSub(TraCICommand rawCmd, RemoteManager remoteManager) {

VadereManager/src/org/vadere/manager/traci/commandHandler/variables/SimulationVar.java

@@ -21,6 +21,7 @@ public enum SimulationVar {
 	VEHICLES_END_TELEPORT_IDS(0x78, TraCIDataType.STRING_LIST),
 	VEHICLES_START_PARKING_IDS(0x6d, TraCIDataType.STRING_LIST),
 	VEHICLES_STOP_PARKING_IDS(0x6f, TraCIDataType.STRING_LIST),
+	COORD_REF(0x90, TraCIDataType.COMPOUND_OBJECT),
 	//
 	NETWORK_BOUNDING_BOX_2D(0x7c, TraCIDataType.POLYGON),
 	CACHE_HASH(0x7d, TraCIDataType.STRING),

VadereManager/src/org/vadere/manager/traci/compound/object/CoordRef.java

+package org.vadere.manager.traci.compound.object;
+
+import org.vadere.manager.TraCIException;
+import org.vadere.manager.traci.TraCIDataType;
+import org.vadere.manager.traci.compound.CompoundObject;
+import org.vadere.manager.traci.compound.CompoundObjectBuilder;
+import org.vadere.util.geometry.Vector3D;
+import org.vadere.util.geometry.shapes.VPoint;
+
+public class CoordRef {
+
+	private String epgsCode;
+	private VPoint offset;
+
+	public CoordRef(CompoundObject obj){
+		if (obj.size() != 3){
+			throw new TraCIException("Expected 4 elements for PointConverter");
+		}
+		epgsCode = (String) obj.getData(0, TraCIDataType.STRING);
+		VPoint p = new VPoint();
+		p.x = (Double) obj.getData(1, TraCIDataType.DOUBLE);
+		p.y = (Double) obj.getData(2, TraCIDataType.DOUBLE);
+		offset = p;
+	}
+
+	public CoordRef(String epgsCode, VPoint offset) {
+		this.epgsCode = epgsCode;
+		this.offset = offset;
+	}
+
+	public static CompoundObject asCompoundObject(String epgsCode,
+												  VPoint offset){
+		return CompoundObjectBuilder.builder()
+				.rest()
+				.add(TraCIDataType.STRING)
+				.add(TraCIDataType.DOUBLE, 2)
+				.build(epgsCode, offset.x, offset.y);
+	}
+}