Added clearEvaluation(). Made getEvaluation() const.

GraspPlanning/GraspPlanner/GraspPlanner.cpp

@@ -21,8 +21,13 @@ namespace GraspStudio
         return plannedGrasps;
     }
 
-    GraspPlannerEvaluation GraspPlanner::getEvaluation()
+    GraspPlannerEvaluation GraspPlanner::getEvaluation() const
     {
         return eval;
     }
+    
+    void GraspPlanner::clearEvaluation()
+    {
+        this->eval = {};
+    }
 }

GraspPlanning/GraspPlanner/GraspPlanner.h

@@ -69,9 +69,13 @@ namespace GraspStudio
          * \brief getEvaluation
          * \return The current evaluation of the grasp planner.
          */
-        GraspPlannerEvaluation getEvaluation();
-
+        GraspPlannerEvaluation getEvaluation() const;
+        /// Clear the evaluation.
+        void clearEvaluation();
+        
+        
     protected:
+        
         bool verbose;
         VirtualRobot::GraspSetPtr graspSet;
         std::vector<VirtualRobot::GraspPtr> plannedGrasps;