/// <summary>
/// Clip this part - Set Mapper input to Clipper
/// </summary>
public void ClipPart(vtkPlane ClipPlane, bool clip)
{
if (clip == true)
{
Clipper = vtkTableBasedClipDataSet.New();
Clipper.SetClipFunction(ClipPlane);
Clipper.SetInputConnection(Grid.GetProducerPort());
Clipper.Update();
Mapper.SetInputConnection(Clipper.GetOutputPort());
Mapper.Update();
// Update Feature Filter -> will update Edges and Faces
Filter.SetInput(Clipper.GetOutput());
Filter.Update();
// ------- Alternative without Clip Surface Extraction --------------
//vtkPlaneCollection planes = vtkPlaneCollection.New();
//planes.AddItem(ClipPlane);
//Edges.GetMapper().SetClippingPlanes(planes);
//Edges.GetMapper().Update();
//vtkPlaneCollection Planes = vtkPlaneCollection.New();
//Planes.AddItem(ClipPlane);
//Mapper.SetClippingPlanes(Planes);
//Mapper.Update();
}
else
{
Mapper.SetInput(Grid);
Mapper.Update();
// Update Feature Filter -> will update Edges and Faces
Filter.SetInput(Grid);
Filter.Update();
// ------- Alternative without Clip Surface Extraction --------------
// Edges
//vtkPlaneCollection planes = vtkPlaneCollection.New();
//Edges.GetMapper().SetClippingPlanes(planes);
//Edges.GetMapper().Update();
//vtkPlaneCollection Planes = vtkPlaneCollection.New();
//Mapper.SetClippingPlanes(Planes);
//Mapper.Update();
}
}
private void Tetrahedron()
{
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(1, 1, 0);
points.InsertNextPoint(0, 1, 1);
points.InsertNextPoint(5, 5, 5);
points.InsertNextPoint(6, 5, 5);
points.InsertNextPoint(6, 6, 5);
points.InsertNextPoint(5, 6, 6);
// Method 1
vtkUnstructuredGrid unstructuredGrid1 = vtkUnstructuredGrid.New();
unstructuredGrid1.SetPoints(points);
int[] ptIds = new int[] { 0, 1, 2, 3 };
IntPtr ptIdsPointer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(int)) * 4);
Marshal.Copy(ptIds, 0, ptIdsPointer, 4);
unstructuredGrid1.InsertNextCell(10, 4, ptIdsPointer);
Marshal.FreeHGlobal(ptIdsPointer);
// Method 2
vtkUnstructuredGrid unstructuredGrid2 = vtkUnstructuredGrid.New();
unstructuredGrid2.SetPoints(points);
vtkTetra tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, 4);
tetra.GetPointIds().SetId(1, 5);
tetra.GetPointIds().SetId(2, 6);
tetra.GetPointIds().SetId(3, 7);
vtkCellArray cellArray = vtkCellArray.New();
cellArray.InsertNextCell(tetra);
unstructuredGrid2.SetCells(10, cellArray);
// Create a mapper and actor
vtkDataSetMapper mapper1 = vtkDataSetMapper.New();
mapper1.SetInputConnection(unstructuredGrid1.GetProducerPort());
vtkActor actor1 = vtkActor.New();
actor1.SetMapper(mapper1);
// Create a mapper and actor
vtkDataSetMapper mapper2 = vtkDataSetMapper.New();
mapper2.SetInputConnection(unstructuredGrid2.GetProducerPort());
vtkActor actor2 = vtkActor.New();
actor2.SetMapper(mapper2);
vtkRenderWindow renderWindow = myRenderWindowControl.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
renderer.SetBackground(0.2, 0.3, 0.4);
// Add the actor to the scene
renderer.AddActor(actor1);
renderer.AddActor(actor2);
renderer.SetBackground(.3, .6, .3); // Background color green
}