ParaView-5.0.1: Added the source-tree to ThirdParty-dev and patched as described in the README file

Resolves bug-report http://bugs.openfoam.org/view.php?id=2098

ParaView-5.0.1/VTK/Examples/VisualizationAlgorithms/Cxx/BandedContours.cxx

@@ -0,0 +1,98 @@
+#include <vtkSmartPointer.h>
+#include <vtkXMLPolyDataReader.h>
+#include <vtkBandedPolyDataContourFilter.h>
+
+#include <vtkFloatArray.h>
+#include <vtkCellData.h>
+#include <vtkPointData.h>
+#include <vtkScalarsToColors.h>
+#include <vtkLookupTable.h>
+#include <vtkPolyDataMapper.h>
+#include <vtkProperty.h>
+#include <vtkActor.h>
+
+#include <vtkRenderer.h>
+#include <vtkRenderWindow.h>
+#include <vtkRenderWindowInteractor.h>
+
+#include <vector>
+
+int main (int argc, char *argv[])
+{
+  if (argc < 3)
+    {
+    std::cerr << "Usage: " << argv[0] << " InputPolyDataFile(.vtp) NumberOfContours" << std::endl;
+    return EXIT_FAILURE;
+    }
+
+  // Read the file
+  vtkSmartPointer<vtkXMLPolyDataReader> reader =
+    vtkSmartPointer<vtkXMLPolyDataReader>::New();
+
+  reader->SetFileName( argv[1] );
+  reader->Update(); // Update so that we can get the scalar range
+
+  double scalarRange[2];
+  reader->GetOutput()->GetPointData()->GetScalars()->GetRange(scalarRange);
+
+  int numberOfContours = atoi(argv[2]);
+
+  vtkSmartPointer<vtkBandedPolyDataContourFilter> bandedContours =
+    vtkSmartPointer<vtkBandedPolyDataContourFilter>::New();
+  bandedContours->SetInputConnection(reader->GetOutputPort());
+  bandedContours->SetScalarModeToValue();
+  bandedContours->GenerateContourEdgesOn();
+  bandedContours->GenerateValues(
+    numberOfContours, scalarRange[0], scalarRange[1]);
+
+  vtkSmartPointer<vtkLookupTable> lut =
+    vtkSmartPointer<vtkLookupTable>::New();
+  lut->SetNumberOfTableValues(numberOfContours + 1);
+  lut->Build();
+
+  vtkSmartPointer<vtkPolyDataMapper> contourMapper =
+    vtkSmartPointer<vtkPolyDataMapper>::New();
+  contourMapper->SetInputConnection(bandedContours->GetOutputPort());
+  contourMapper->SetScalarRange(scalarRange[0], scalarRange[1]);
+  contourMapper->SetScalarModeToUseCellData();
+  contourMapper->SetLookupTable(lut);
+
+  vtkSmartPointer<vtkActor> contourActor =
+    vtkSmartPointer<vtkActor>::New();
+  contourActor->SetMapper(contourMapper);
+  contourActor->GetProperty()->SetInterpolationToFlat();
+
+  vtkSmartPointer<vtkPolyDataMapper> contourLineMapper =
+    vtkSmartPointer<vtkPolyDataMapper>::New();
+
+  contourLineMapper->SetInputData(bandedContours->GetContourEdgesOutput());
+  contourLineMapper->SetScalarRange(scalarRange[0], scalarRange[1]);
+  contourLineMapper->ScalarVisibilityOff();
+
+  vtkSmartPointer<vtkActor> contourLineActor =
+    vtkSmartPointer<vtkActor>::New();
+  contourLineActor->SetMapper(contourLineMapper);
+  contourLineActor->GetProperty()->SetLineWidth(2);
+
+  // The usual renderer, render window and interactor
+  vtkSmartPointer<vtkRenderer> ren1 =
+    vtkSmartPointer<vtkRenderer>::New();
+  vtkSmartPointer<vtkRenderWindow> renWin =
+    vtkSmartPointer<vtkRenderWindow>::New();
+  vtkSmartPointer<vtkRenderWindowInteractor>
+    iren = vtkSmartPointer<vtkRenderWindowInteractor>::New();
+
+  ren1->SetBackground(.1, .2, .3);
+  renWin->AddRenderer(ren1);
+  iren->SetRenderWindow(renWin);
+
+  // Add the actors
+  ren1->AddActor(contourActor);
+  ren1->AddActor(contourLineActor);
+
+  // Begin interaction
+  renWin->Render();
+  iren->Start();
+
+  return EXIT_SUCCESS;
+}