private void ExtractEdges()
{
vtkSphereSource sphereSource = vtkSphereSource.New();
sphereSource.Update();
Debug.WriteLine("Sphere" + Environment.NewLine + "----------");
Debug.WriteLine("There are " + sphereSource.GetOutput().GetNumberOfCells() + " cells.");
Debug.WriteLine("There are " + sphereSource.GetOutput().GetNumberOfPoints() + " points.");
vtkExtractEdges extractEdges = vtkExtractEdges.New();
#if VTK_MAJOR_VERSION_5
extractEdges.SetInputConnection(sphereSource.GetOutputPort());
#else
extractEdges.SetInputData(sphereSource);
#endif
extractEdges.Update();
vtkCellArray lines = extractEdges.GetOutput().GetLines();
vtkPoints points = extractEdges.GetOutput().GetPoints();
Debug.WriteLine(Environment.NewLine + "Edges" + Environment.NewLine + "----------");
Debug.WriteLine("There are " + lines.GetNumberOfCells() + " cells.");
Debug.WriteLine("There are " + points.GetNumberOfPoints() + " points.");
// Traverse all of the edges
for (int i = 0; i < extractEdges.GetOutput().GetNumberOfCells(); i++)
{
//Debug.WriteLine("Type: " + extractEdges.GetOutput().GetCell(i).GetClassName() );
vtkLine line = vtkLine.SafeDownCast(extractEdges.GetOutput().GetCell(i));
Debug.WriteLine("Line " + i + " : " + line);
}
// Visualize the edges
// Create a mapper and actor
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
mapper.SetInputConnection(extractEdges.GetOutputPort());
#else
mapper.SetInputData(extractEdges);
#endif
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(1, 1, 1);
// add our actor to the renderer
renderer.AddActor(actor);
}
/// <summary>
/// Crée le nécessaire pour l'affichage des arêtes
/// </summary>
private void createEdgeObjects()
{
_edgeExtractor = vtkExtractEdges.New();
_edgeExtractor.SetInput(_stlReader.GetOutput());
_edgeMapper = vtkPolyDataMapper.New();
_edgeMapper.SetInput(_edgeExtractor.GetOutput());
_edgeActor = vtkActor.New();
double[] rgb = colorToRGB(EdgeColor);
//couleurs des aretes
_edgeActor.GetProperty().SetColor(rgb[0], rgb[1], rgb[2]);
_edgeActor.SetMapper(_edgeMapper);
}
