removed Heading::rnd()

changed particle init
fixed uninitialized values
new ground-truth helper methods
added new stats to the eval (distance from ground-truth)

code/particles/MyInitializer.h

@@ -37,6 +37,7 @@ public:
 
 		std::minstd_rand gen;
 		std::uniform_int_distribution<> dist(0, grid.getNumNodes());
+		std::uniform_real_distribution<float> distHead(0, M_PI*2);
 
 		for (K::Particle<MyState>& p : particles) {
 
@@ -50,7 +51,7 @@ public:
 			p.state.walkState.node = &n;
 
 			p.state.pOld = p.state.pCur;
-			p.state.walkState.heading = Heading::rnd();
+			p.state.walkState.heading = distHead(gen);
 			p.state.hPa = 0;
 
 		}

code/particles/MyState.h

@@ -25,18 +25,18 @@ struct MyState {
 	GridWalkState<MyGridNode> walkState;
 
     // cumulative heading
-    double cumulativeHeading;
+	double cumulativeHeading = 0;
 
     // save last hPa measurement for the smoothing process
-    double measurement_pressure;
+	double measurement_pressure = 0;
 
     // save last angularHeadingChangefor the smoothing process in Degree
-    double angularHeadingChange;
+	double angularHeadingChange = 0;
 
-    double avgAngle;
+	double avgAngle = 0;
 
     //the current Activity
-    Activity currentActivity;
+	Activity currentActivity = Activity::UNKNOWN;
 
 	//int distanceWalkedCM;
 

code/particles/MyTransition.h

@@ -88,7 +88,7 @@ public:
 			// update the old heading and the other old values
 			//p.state.walkState.heading = p.state.heading;
             if(!(p.state.pOld == p.state.pCur)){
-                p.state.cumulativeHeading = Angle::getDEG_360(p.state.pOld.x, p.state.pOld.y, p.state.pCur.x, p.state.pCur.y);
+				p.state.cumulativeHeading = Angle::getDEG_360(p.state.pOld.x, p.state.pOld.y, p.state.pCur.x, p.state.pCur.y);
             }
 			p.state.pOld = p.state.pCur;