diff --git a/NeighborhoodFeature.cpp b/NeighborhoodFeature.cpp
index 1b3aa5f..e415290 100644
--- a/NeighborhoodFeature.cpp
+++ b/NeighborhoodFeature.cpp
@@ -304,9 +304,9 @@ bool NeighborhoodFeature::computeValue(CCCoreLib::DgmOctree::NeighboursSet& poin
 		minZ = maxZ = pointsInNeighbourhood[0].point->z;
 		for (size_t i = 1; i < kNN; ++i)
 		{
-			if (minZ < pointsInNeighbourhood[i].point->z)
+			if (minZ > pointsInNeighbourhood[i].point->z)
 				minZ = pointsInNeighbourhood[i].point->z;
-			else if (maxZ > pointsInNeighbourhood[i].point->z)
+			else if (maxZ < pointsInNeighbourhood[i].point->z)
 				maxZ = pointsInNeighbourhood[i].point->z;
 		}
 
diff --git a/q3DMASCTools.cpp b/q3DMASCTools.cpp
index 3bd3655..5994b5c 100644
--- a/q3DMASCTools.cpp
+++ b/q3DMASCTools.cpp
@@ -687,8 +687,8 @@ bool Tools::LoadFile(	const QString& filename,
 	{
 		loadParameters.alwaysDisplayLoadDialog = true;
 		loadParameters.shiftHandlingMode = ccGlobalShiftManager::DIALOG_IF_NECESSARY;
-        loadParameters._coordinatesShift = &loadCoordinatesShift;
-        loadParameters._coordinatesShiftEnabled = &loadCoordinatesTransEnabled;
+		loadParameters._coordinatesShift = &loadCoordinatesShift;
+		loadParameters._coordinatesShiftEnabled = &loadCoordinatesTransEnabled;
 		loadParameters.parentWidget = parent;
 		FileIOFilter::ResetSesionCounter();
 	}
@@ -1137,7 +1137,7 @@ bool Tools::PrepareFeatures(const CorePoints& corePoints, Feature::Set& features
 			for (int i = 0; i < static_cast<int>(pointCount); ++i)
 			{
 				//spherical neighborhood extraction structure
-                CCCoreLib::DgmOctree::NearestNeighboursSearchStruct nNSS;
+				CCCoreLib::DgmOctree::NearestNeighboursSearchStruct nNSS;
 				{
 					nNSS.level = octreeLevel;
 					nNSS.queryPoint = *corePoints.cloud->getPoint(i);