Easing diffraction and reflection order

tests/CombinedModel/GRAS_scene5.cpp

@@ -118,7 +118,7 @@ int main( int iNumInArgs, char* pcInArgs[] )
 	const bool bFilterNotVisiblePointToEdge = true; //Intersection test between emitter/sensor and edges
 	const bool bFilterNotVisiblePaths = true; //Intersection test of calculated sub paths
 	const float fIntersectionTestResolution = 0.001;
-	const int iNumIterations = 4;//!< Number of iterations for the calculation of the aperture points
+	const int iNumIterations = 10;//!< Number of iterations for the calculation of the aperture points
 
 	const int fMaxAccumulatedDiffractionAngle = -ITAConstants::PI_F;
 
@@ -126,9 +126,9 @@ int main( int iNumInArgs, char* pcInArgs[] )
 	const float fReflectionPenalty = -10 * log10f( 0.8 ); //Level reduction of a reflection with reflection factor rho = 0.8 from ISO9613-2
 	const float fDiffractionPenalty = 2.5f; // Minimum level reduction of a diffracted signal into the shadow region for a low frequency (Taken from BA Filbert Figure 16. UTD)
 
-	const int iMaxDiffractionOrder = 3;
-	const int iMaxReflectionOrder = 3;
-	const int iMaxCombinedOrder = 5;
+	const int iMaxDiffractionOrder = 2;
+	const int iMaxReflectionOrder = 2;
+	const int iMaxCombinedOrder = 4;
 
 	ITAStopWatch sw;
 	for( auto& scene : vGRAS_5_1_Scenes )