From c59c72c3fc9436e8b136aa3a3a45fecca4c1ffea Mon Sep 17 00:00:00 2001
From: JRauer <johannes.rauer@hotmail.com>
Date: Fri, 26 Jan 2018 17:35:21 +0100
Subject: [PATCH] Empty matrix when start

There were not only zeros in matrix at program-start --> Fixed
---
 .../Layer_SURFFeatures/AbstractionLayer_SURFFeatures.cpp  | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Source/functions/AbstractionLayers/Layer_SURFFeatures/AbstractionLayer_SURFFeatures.cpp b/Source/functions/AbstractionLayers/Layer_SURFFeatures/AbstractionLayer_SURFFeatures.cpp
index 6d33720..fc3d253 100644
--- a/Source/functions/AbstractionLayers/Layer_SURFFeatures/AbstractionLayer_SURFFeatures.cpp
+++ b/Source/functions/AbstractionLayers/Layer_SURFFeatures/AbstractionLayer_SURFFeatures.cpp
@@ -48,6 +48,14 @@ bool AbstractionLayer_SURFFeatures::PreProcessing(coor mySize, const vector<Part
     // Detect features - this is where the magic happens
     cv::goodFeaturesToTrack( image, corners, maxCorners, qualityLevel, minDistance, mask, blockSize, useHarrisDetector, k );
 
+    // Empty the matrix
+    for( int j = 0; j < mySize.row ; j++ )
+    { for( int i = 0; i < mySize.col; i++ )
+        {
+            m_constraintMatrix[j][i].m_numberOfFeaturesDetected = 0;
+        }
+    }
+
     int pieceColSize = image.cols/mySize.col;
     int pieceRowSize = image.rows/mySize.row;
     // Calculate number of features for each piece-position