+
+ public static vtkPolyData createPolyData(Mesh mesh) {
+ vtkPolyData polyData = new vtkPolyData();
+ polyData.Allocate(mesh.getIndices().size()/3, mesh.getIndices().size()/3);
+
+ vtkTriangle triangle = new vtkTriangle();
+ vtkIdList list = triangle.GetPointIds();
+ for (int i = 0; i < mesh.getIndices().size(); i+=3) {
+ list.SetId(0, mesh.getIndices().get(i));
+ list.SetId(1, mesh.getIndices().get(i+1));
+ list.SetId(2, mesh.getIndices().get(i+2));
+ polyData.InsertNextCell(triangle.GetCellType(), list);
+ }
+ list.Delete();
+ triangle.Delete();
+
+
+ vtkPoints points = new vtkPoints();
+ for (int i = 0; i < mesh.getVertices().size(); i++) {
+ Tuple3d p = mesh.getVertices().get(i);
+ points.InsertPoint(i, p.x, p.y, p.z);
+ }
+
+ polyData.SetPoints(points);
+ points.Delete();
+
+ if (mesh.getNormals() != null) {
+ vtkFloatArray normals = new vtkFloatArray();
+ normals.SetNumberOfComponents(3);
+ normals.SetNumberOfTuples(mesh.getNormals().size());
+ for (int i = 0; i < mesh.getNormals().size(); i++) {
+ Tuple3d p = mesh.getNormals().get(i);
+ normals.InsertTuple3(i, p.x, p.y, p.z);
+ }
+ vtkPointData pointData = polyData.GetPointData();
+ pointData.SetNormals(normals);
+ normals.Delete();
+ pointData.Delete();
+ }
+ if (mesh.getColors() != null) {
+ vtkUnsignedCharArray colors = new vtkUnsignedCharArray();
+ colors.SetName("Colors");
+ colors.SetNumberOfComponents(3);
+ colors.SetNumberOfTuples(mesh.getColors().size());
+ for (int i = 0; i < mesh.getColors().size(); i++) {
+ Color4d c = mesh.getColors().get(i);
+ colors.InsertTuple3(i, 255.0* c.x, 255.0 * c.y, 255.0 * c.z);
+ }
+ polyData.GetPointData().AddArray(colors);
+ colors.Delete();
+
+ }
+ return polyData;
+ }
+