private void RenderVTI()
{
// reader
// Read all the data from the file
vtkXMLImageDataReader reader = vtkXMLImageDataReader.New();
if (reader.CanReadFile(m_FileName) == 0)
{
MessageBox.Show("Cannot read file \"" + m_FileName + "\"", "Error", MessageBoxButtons.OK);
return;
}
vtkVolume vol = vtkVolume.New();
vtkColorTransferFunction ctf = vtkColorTransferFunction.New();
vtkPiecewiseFunction spwf = vtkPiecewiseFunction.New();
vtkPiecewiseFunction gpwf = vtkPiecewiseFunction.New();
reader.SetFileName(m_FileName);
reader.Update(); // here we read the file actually
// mapper
vtkFixedPointVolumeRayCastMapper mapper = vtkFixedPointVolumeRayCastMapper.New();
mapper.SetInputConnection(reader.GetOutputPort());
// actor
vtkActor actor = vtkActor.New();
//actor.SetMapper(mapper);
actor.GetProperty().SetRepresentationToWireframe();
// add our actor to the renderer
//Set the color curve for the volume
ctf.AddHSVPoint(0, .67, .07, 1);
ctf.AddHSVPoint(94, .67, .07, 1);
ctf.AddHSVPoint(139, 0, 0, 0);
ctf.AddHSVPoint(160, .28, .047, 1);
ctf.AddHSVPoint(254, .38, .013, 1);
//Set the opacity curve for the volume
spwf.AddPoint(84, 0);
spwf.AddPoint(151, .1);
spwf.AddPoint(255, 1);
//Set the gradient curve for the volume
gpwf.AddPoint(0, .2);
gpwf.AddPoint(10, .2);
gpwf.AddPoint(25, 1);
vol.GetProperty().SetColor(ctf);
vol.GetProperty().SetScalarOpacity(spwf);
vol.GetProperty().SetGradientOpacity(gpwf);
vol.SetMapper(mapper);
//Go through the Graphics Pipeline
m_Renderer.AddVolume(vol);
m_Renderer.ResetCamera();
//renderer.AddActor(actor);
RenderSlicer();
}
/// <summary>
/// Reads new preset, updating color and opacity function from it.
/// </summary>
/// <param name="presetName">Name of choosen preset.</param>
public void ChangeColorAndOpacityFunction(string presetName)
{
vtkColorTransferFunction ctf = vtkColorTransferFunction.New();
vtkPiecewiseFunction spwf = vtkPiecewiseFunction.New();
PresetInfo = PresetReader.ReadXmlFile(presetName);
_chart.Series["OpacityFunction"].Points.Clear();
_chart.Series["OpacityFunctionSpline"].Points.Clear();
foreach (var pair in PresetInfo.Series[0].OpacityFunction)
{
spwf.AddPoint(pair.Key, pair.Value);
_chart.Series["OpacityFunction"].Points.AddXY(pair.Key, pair.Value);
_chart.Series["OpacityFunctionSpline"].Points.AddXY(pair.Key, pair.Value);
}
foreach (var pair in PresetInfo.Series[0].ColorFuction)
{
ctf.AddRGBSegment(pair.Key, pair.Value[0].R, pair.Value[0].G, pair.Value[0].B,
pair.Key, pair.Value[1].R, pair.Value[1].G, pair.Value[1].B);
//Color colorRight = Color.FromArgb((int)pair.Value[1].R, (int)pair.Value[1].G, (int)pair.Value[1].B);
//Color colorLeft = Color.FromArgb((int)pair.Value[0].R, (int)pair.Value[0].G, (int)pair.Value[0].B);
}
ctf.SetScaleToLinear();
_volume.GetProperty().SetColor(ctf);
_volume.GetProperty().SetScalarOpacity(spwf);
_currentSerieNumber = 0;
}
/// <summary>
/// Display the render window with the 3D Volume in it
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void renderWindowControl2_Load(object sender, EventArgs e)
{
//Create all the objects for the pipeline
vtkRenderer renderer = renderWindowControl2.RenderWindow.GetRenderers().GetFirstRenderer();
vtkXMLImageDataReader reader = vtkXMLImageDataReader.New();
vtkFixedPointVolumeRayCastMapper texMapper = vtkFixedPointVolumeRayCastMapper.New();
vtkVolume vol = vtkVolume.New();
vtkColorTransferFunction ctf = vtkColorTransferFunction.New();
vtkPiecewiseFunction spwf = vtkPiecewiseFunction.New();
vtkPiecewiseFunction gpwf = vtkPiecewiseFunction.New();
//Read in the file
reader.SetFileName(fileName);
reader.Update();
//Go through the visulizatin pipeline
texMapper.SetInputConnection(reader.GetOutputPort());
//Set the color curve for the volume
ctf.AddHSVPoint(0, .67, .07, 1);
ctf.AddHSVPoint(94, .67, .07, 1);
ctf.AddHSVPoint(139, 0, 0, 0);
ctf.AddHSVPoint(160, .28, .047, 1);
ctf.AddHSVPoint(254, .38, .013, 1);
//Set the opacity curve for the volume
spwf.AddPoint(84, 0);
spwf.AddPoint(151, .1);
spwf.AddPoint(255, 1);
//Set the gradient curve for the volume
gpwf.AddPoint(0, .2);
gpwf.AddPoint(10, .2);
gpwf.AddPoint(25, 1);
vol.GetProperty().SetColor(ctf);
vol.GetProperty().SetScalarOpacity(spwf);
vol.GetProperty().SetGradientOpacity(gpwf);
vol.SetMapper(texMapper);
//Go through the Graphics Pipeline
renderer.AddVolume(vol);
}
/// <summary>
/// Reads new preset, updating color and opacity function from it.
/// </summary>
/// <param name="presetName">Name of choosen preset.</param>
public void ChangeColorAndOpacityFunction(PresetInformation PresetInfo)
{
vtkColorTransferFunction ctf = vtkColorTransferFunction.New();
vtkPiecewiseFunction spwf = vtkPiecewiseFunction.New();
if (PresetInfo != null)
{
foreach (var pair in PresetInfo.Series[0].OpacityFunction)
{
spwf.AddPoint(pair.Key, pair.Value);
}
foreach (var pair in PresetInfo.Series[0].ColorFuction)
{
ctf.AddRGBSegment(pair.Key, pair.Value[0].R, pair.Value[0].G, pair.Value[0].B,
pair.Key, pair.Value[1].R, pair.Value[1].G, pair.Value[1].B);
}
ctf.SetScaleToLinear();
_volume.GetProperty().SetColor(ctf);
_volume.GetProperty().SetScalarOpacity(spwf);
_currentSerieNumber = 0;
Update3DVisualization();
}
}
public void changeColorFunction(String presetName)
{
ctf = vtkColorTransferFunction.New();
Dictionary <int, float[]> values = presetMapper.changeColorFunction(presetName);
foreach (var pair in values)
{
ctf.AddRGBPoint(pair.Key, pair.Value[0], pair.Value[1], pair.Value[2]);
}
vol.GetProperty().SetColor(ctf);
}
public void Coloring(int shft = 0)
{
//vtkFixedPointVolumeRayCastMapper texMapper = vtkFixedPointVolumeRayCastMapper.New();
vtkSmartVolumeMapper texMapper = vtkSmartVolumeMapper.New();
vol = vtkVolume.New();
vtkColorTransferFunction ctf = vtkColorTransferFunction.New();
vtkPiecewiseFunction spwf = vtkPiecewiseFunction.New();
vtkPiecewiseFunction gpwf = vtkPiecewiseFunction.New();
texMapper.SetInputConnection(reader3D.GetOutputPort());
//Set the color curve for the volume
//ctf.AddHSVPoint(0, .67, .07, 1);
//ctf.AddHSVPoint(94, .67, .07, 1);
//ctf.AddHSVPoint(139, 0, 0, 0);
//ctf.AddHSVPoint(160, .28, .047, 1);
//ctf.AddHSVPoint(254, .38, .013, 1);
ctf.AddRGBPoint(0.0, 0.0, 0.0, 0.0);
ctf.AddRGBPoint(64.0, 1.0, 0.0, 0.0);
ctf.AddRGBPoint(128.0, 0.0, 0.0, 1.0);
ctf.AddRGBPoint(192.0, 0.0, 1.0, 0.0);
ctf.AddRGBPoint(255.0, 0.0, 0.2, 0.0);
//Set the opacity curve for the volume
spwf.AddPoint(584 + shft, 0);
spwf.AddPoint(651 + shft, .1);
//spwf.AddPoint(255, 1);
//spwf.AddPoint(4, 0);
//spwf.AddPoint(51, .7);
//spwf.AddPoint(155, 0.5);
//spwf.AddPoint(255, 0.2);
//spwf.AddPoint(1055, 0);
//Set the gradient curve for the volume
//gpwf.AddPoint(0, .2);
gpwf.AddPoint(10, 1);
gpwf.AddPoint(225, 0.5);
gpwf.AddPoint(1235, 0.2);
gpwf.AddPoint(3235, 0);
vol.GetProperty().SetColor(ctf);
vol.GetProperty().SetScalarOpacity(spwf);
//vol.GetProperty().SetGradientOpacity(gpwf);
vol.GetProperty().ShadeOn();
vol.GetProperty().SetInterpolationTypeToLinear();
vol.SetMapper(texMapper);
//green background
renderer3D.SetBackground(0.3, 0.6, 0.3);
//Go through the Graphics Pipeline
renderer3D.AddVolume(vol);
renderWindow3D.Render();
}
