changable window size in y-direction

semseg/SemSegContextTree.cpp

@@ -1894,7 +1894,7 @@ void SemSegContextTree::semanticseg ( NICE::MultiChannelImage3DT<double> & imgDa
         }
       }
     }
-#define VISUALIZE
+#undef VISUALIZE
 #ifdef VISUALIZE
     for ( int z = 0; z < zsize; z++ )
     {