public static void UpdateHSection(int h)
{
if (h < 0 || h >= ImageHeight)
{
MessageBox.Show("Row Num is Over Range");
return;
}
for (var i = 0; i < ImageWidth; ++i)
{
HZArray.SetTuple1(i, PolyData.GetPoint(h * ImageWidth + i)[2]);
}
HTable.Modified();
RenWinControlHorizontal.RenderWindow.Render();
}
public static void UpdateVSection(int v)
{
if (v < 0 || v >= ImageWidth)
{
MessageBox.Show("Col Num is Over Range");
return;
}
for (var i = 0; i < ImageHeight; i++)
{
VZArray.SetTuple1(i, PolyData.GetPoint(v + i * ImageWidth)[2]);
}
VTable.Modified();
RenWinControlVertical.RenderWindow.Render();
}
private void BandedPolyDataContourFilter()
{
vtkPoints pts = vtkPoints.New();
pts.InsertPoint(0, 0, 0, 0);
pts.InsertPoint(1, 0, 1, 0);
pts.InsertPoint(2, 0, 2, 0);
pts.InsertPoint(3, 1, 0, 0);
pts.InsertPoint(4, 1, 1, 0);
pts.InsertPoint(5, 1, 2, 0);
pts.InsertPoint(6, 2, 0, 0);
pts.InsertPoint(7, 2, 2, 0);
pts.InsertPoint(8, 3, 0, 0);
pts.InsertPoint(9, 3, 1, 0);
pts.InsertPoint(10, 3, 2, 0);
pts.InsertPoint(11, 4, 0, 0);
pts.InsertPoint(12, 6, 0, 0);
pts.InsertPoint(13, 5, 2, 0);
pts.InsertPoint(14, 7, 0, 0);
pts.InsertPoint(15, 9, 0, 0);
pts.InsertPoint(16, 7, 2, 0);
pts.InsertPoint(17, 9, 2, 0);
pts.InsertPoint(18, 10, 0, 0);
pts.InsertPoint(19, 12, 0, 0);
pts.InsertPoint(20, 10, 1, 0);
pts.InsertPoint(21, 12, 1, 0);
pts.InsertPoint(22, 10, 2, 0);
pts.InsertPoint(23, 12, 2, 0);
pts.InsertPoint(24, 10, 3, 0);
pts.InsertPoint(25, 12, 3, 0);
vtkCellArray polys = vtkCellArray.New();
polys.InsertNextCell(4);
polys.InsertCellPoint(14);
polys.InsertCellPoint(15);
polys.InsertCellPoint(17);
polys.InsertCellPoint(16);
polys.InsertNextCell(3);
polys.InsertCellPoint(11);
polys.InsertCellPoint(12);
polys.InsertCellPoint(13);
vtkFloatArray scalars = vtkFloatArray.New();
scalars.SetNumberOfTuples(26);
scalars.SetTuple1(0, 0);
scalars.SetTuple1(1, 50);
scalars.SetTuple1(2, 100);
scalars.SetTuple1(3, 0);
scalars.SetTuple1(4, 50);
scalars.SetTuple1(5, 100);
scalars.SetTuple1(6, 10);
scalars.SetTuple1(7, 90);
scalars.SetTuple1(8, 10);
scalars.SetTuple1(9, 50);
scalars.SetTuple1(10, 90);
scalars.SetTuple1(11, 10);
scalars.SetTuple1(12, 40);
scalars.SetTuple1(13, 100);
scalars.SetTuple1(14, 0);
scalars.SetTuple1(15, 60);
scalars.SetTuple1(16, 40);
scalars.SetTuple1(17, 100);
scalars.SetTuple1(18, 0);
scalars.SetTuple1(19, 25);
scalars.SetTuple1(20, 25);
scalars.SetTuple1(21, 50);
scalars.SetTuple1(22, 50);
scalars.SetTuple1(23, 75);
scalars.SetTuple1(24, 75);
scalars.SetTuple1(25, 100);
vtkPolyData polyData = vtkPolyData.New();
polyData.SetPoints(pts);
polyData.SetPolys(polys);
polyData.GetPointData().SetScalars(scalars);
vtkBandedPolyDataContourFilter bf = vtkBandedPolyDataContourFilter.New();
#if VTK_MAJOR_VERSION_5
bf.SetInput(polyData);
#else
bf.SetInputData(polyData);
#endif
bf.GenerateValues(3, 25, 75);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputConnection(bf.GetOutputPort());
mapper.SetScalarModeToUseCellData();
mapper.SetScalarRange(0, 4);
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(.2, .3, .4);
// add our actor to the renderer
renderer.AddActor(actor);
}