platformunit observer: initialize odometry datafields on start up

source/RobotAPI/components/units/PlatformUnitObserver.cpp

@@ -81,6 +81,9 @@ void PlatformUnitObserver::onConnectObserver()
     offerDataField("platformOdometryPose", "positionY", VariantType::Float, "Current Odometry Y position of " + platformNodeName + " in mm");
     offerDataField("platformOdometryPose", "rotation", VariantType::Float, "Current Odometry Rotation of " + platformNodeName + " in radian");
 
+    // odometry pose is always zero in the beginning - set it  so that it can be queried
+    reportPlatformOdometryPose(0, 0, 0, armarx::GlobalIceCurrent);
+
 }
 
 void PlatformUnitObserver::reportPlatformPose(::Ice::Float currentPlatformPositionX, ::Ice::Float currentPlatformPositionY, ::Ice::Float currentPlatformRotation, const Ice::Current& c)