Changeset 3327 for branches/Rappture 1.2/packages

Timestamp:

Feb 23, 2013, 2:20:57 PM (12 years ago)

Author:

ldelgass

Message:

Use PolyDataNormals? to compute normals for isosurfaces since ContourFilter?
doesn't produce normals for unstructured or structured grids.

Location:

branches/Rappture 1.2/packages/vizservers/vtkvis

Files:

• RpContour3D.cpp (modified) (2 diffs)
• RpContour3D.h (modified) (2 diffs)

branches/Rappture 1.2/packages/vizservers/vtkvis/RpContour3D.cpp

@@ -165 +165 @@
     }
 
-    _contourFilter->ComputeNormalsOn();
+    _contourFilter->ComputeNormalsOff();
     _contourFilter->ComputeGradientsOff();
 
@@ -189 +189 @@
     initProp();
 
+    if (_normalsGenerator == NULL) {
+        _normalsGenerator = vtkSmartPointer<vtkPolyDataNormals>::New();
+    }
+
+    _normalsGenerator->SetInputConnection(_contourFilter->GetOutputPort());
+    _normalsGenerator->SetFeatureAngle(90.);
+    _normalsGenerator->AutoOrientNormalsOff();
+    _normalsGenerator->ComputePointNormalsOn();
+
     if (_dsMapper == NULL) {
         _dsMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
         _dsMapper->SetResolveCoincidentTopologyToPolygonOffset();
-        _dsMapper->SetInputConnection(_contourFilter->GetOutputPort());
+        _dsMapper->SetInputConnection(_normalsGenerator->GetOutputPort());
         _dsMapper->ScalarVisibilityOff();
         //_dsMapper->SetColorModeToMapScalars();

branches/Rappture 1.2/packages/vizservers/vtkvis/RpContour3D.h

@@ -11 +11 @@
 #include <vtkSmartPointer.h>
 #include <vtkContourFilter.h>
+#include <vtkPolyDataNormals.h>
 #include <vtkLookupTable.h>
 #include <vtkPolyDataMapper.h>
@@ -103 +104 @@
     vtkSmartPointer<vtkLookupTable> _lut;
     vtkSmartPointer<vtkContourFilter> _contourFilter;
+    vtkSmartPointer<vtkPolyDataNormals> _normalsGenerator;
     vtkSmartPointer<vtkPolyDataMapper> _dsMapper;
 };