Fixed missing fatet normals calculation (moved from the SymmetryEstimator)

Comparison/src/main/java/cz/fidentis/analyst/symmetry/SymmetryEstimator.java

@@ -83,11 +83,6 @@ public class SymmetryEstimator {
      * Calculates the symmetry plane.
      */
     public void calculateSymmetryPlane() {
-               
-        if (!facet.hasVertexNormals()) {
-            facet.calculateVertexNormals();
-        }
-        
         curvatures = calculateCurvatures(facet, maxCurvatureAlg);
         final SignificantPoints sigPoints = new SignificantPoints(curvatures, config.getSignificantPointCount());
         sigPoints.cacheData(facet);

Comparison/src/main/java/cz/fidentis/analyst/visitors/mesh/CurvatureVisitor.java

@@ -8,9 +8,6 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
 
 /**
  * Abstract class for algorithms calculting curvatures of mesh vertices.
@@ -49,12 +46,12 @@ public abstract class CurvatureVisitor extends MeshVisitor {
                 return; // already visited facet
             }
             curvatures.put(facet, new ArrayList<>());
+            if (!facet.hasVertexNormals()) {
+                facet.calculateVertexNormals();
+            }
             facet.calculateVoronoiPoints();
         }
         
-        ExecutorService executor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
-        final List<Future<Double>> results = new ArrayList<>(facet.getNumberOfVertices());
-        
         final List<MeshTriangle> triangles = facet.getTriangles();
         for (int i = 0; i < facet.getNumberOfVertices(); i++) {
             curvatures.get(facet).add(calculateCurvature(facet, triangles, i));