Use ConvexHullGenerator in HumanGrouper

source/armarx/navigation/human/ConvexHullGenerator.h

@@ -34,7 +34,7 @@ namespace armarx::navigation::human
      * @brief A GroupShapeGenerator that defines the group shape of a set of humans as the
      * convex hull of their positions in 2D space.
      */
-    class ConvexHullGenerator : GroupShapeGenerator
+    class ConvexHullGenerator : public GroupShapeGenerator
     {
     public:
         ConvexHullGenerator();

source/armarx/navigation/human/HumanGrouper.cpp

 #include "CombinedDistance.h"
+#include "ConvexHullGenerator.h"
 #include "HumanGrouper.h"
 
 namespace armarx::navigation::human
@@ -6,12 +7,13 @@ namespace armarx::navigation::human
     HumanGrouper::HumanGrouper(GroupingSettings settings) : settings(settings)
     {
         this->distanceFunction = new CombinedDistance(settings.maxOrientationInfluence);
-        this->shapeGenerator = NULL; // TODO: implement and use interface
+        this->shapeGenerator = new ConvexHullGenerator();
     }
 
     HumanGrouper::~HumanGrouper()
     {
         delete this->distanceFunction;
+        delete this->shapeGenerator;
     }
 
     void HumanGrouper::updateHumans(std::vector<human::Human> &newHumans)