added support for ground truth points \n small fixed in beaconprob

math/distribution/VonMises.h

@@ -19,7 +19,7 @@ namespace Distribution {
 		const T mu;
 
 		/** like 1.0/variance of the distribution */
-		const T kappa;
+        T kappa;
 
 		/** pre-calcuated look-up-table */
 		std::vector<T> lut;
@@ -30,7 +30,7 @@ namespace Distribution {
 	public:
 
 		/** ctor */
-		VonMises(const T mu, const T kappa) : mu(mu), kappa(kappa) {
+        VonMises(const T mu, T kappa) : mu(mu), kappa(kappa) {
 
 		}
 
@@ -49,6 +49,10 @@ namespace Distribution {
 
 		}
 
+        void setKappa(T _kappa){
+            kappa = _kappa;
+        }
+
 	};
 
 }