private void ExtractLargestIsoSurface(string filePath, double threshold, bool extractLargest)
{
// Load data
vtkStructuredPointsReader reader = vtkStructuredPointsReader.New();
reader.SetFileName(filePath);
// Create a 3D model using marching cubes
vtkMarchingCubes mc = vtkMarchingCubes.New();
mc.SetInputConnection(reader.GetOutputPort());
mc.ComputeNormalsOn();
mc.ComputeGradientsOn();
mc.SetValue(0, threshold); // second value acts as threshold
// To remain largest region
vtkPolyDataConnectivityFilter confilter = vtkPolyDataConnectivityFilter.New();
confilter.SetInputConnection(mc.GetOutputPort());
confilter.SetExtractionModeToLargestRegion();
// Create a mapper
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
if (extractLargest)
{
mapper.SetInputConnection(confilter.GetOutputPort());
}
else
{
mapper.SetInputConnection(mc.GetOutputPort());
}
mapper.ScalarVisibilityOff(); // utilize actor's property I set
// Visualize
vtkActor actor = vtkActor.New();
actor.GetProperty().SetColor(1, 1, 1);
actor.SetMapper(mapper);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// add our actor to the renderer
renderer.AddActor(actor);
}
/// <summary>
/// The main entry method called by the CSharp driver
/// </summary>
/// <param name="argv"></param>
public static void AVtextureThreshold(String [] argv)
{
//Prefix Content is: ""
// Create the RenderWindow, Renderer and both Actors[]
//[]
ren1 = vtkRenderer.New();
renWin = vtkRenderWindow.New();
renWin.AddRenderer((vtkRenderer)ren1);
iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow((vtkRenderWindow)renWin);
// read data[]
//[]
pl3d = new vtkMultiBlockPLOT3DReader();
pl3d.SetXYZFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/bluntfinxyz.bin");
pl3d.SetQFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/bluntfinq.bin");
pl3d.SetScalarFunctionNumber((int)100);
pl3d.SetVectorFunctionNumber((int)202);
pl3d.Update();
// wall[]
//[]
wall = new vtkStructuredGridGeometryFilter();
wall.SetInputData(pl3d.GetOutput().GetBlock(0));
wall.SetExtent((int)0,(int)100,(int)0,(int)0,(int)0,(int)100);
wallMap = vtkPolyDataMapper.New();
wallMap.SetInputConnection((vtkAlgorithmOutput)wall.GetOutputPort());
wallMap.ScalarVisibilityOff();
wallActor = new vtkActor();
wallActor.SetMapper((vtkMapper)wallMap);
wallActor.GetProperty().SetColor((double)0.8,(double)0.8,(double)0.8);
// fin[]
// []
fin = new vtkStructuredGridGeometryFilter();
fin.SetInputData(pl3d.GetOutput().GetBlock(0));
fin.SetExtent((int)0,(int)100,(int)0,(int)100,(int)0,(int)0);
finMap = vtkPolyDataMapper.New();
finMap.SetInputConnection((vtkAlgorithmOutput)fin.GetOutputPort());
finMap.ScalarVisibilityOff();
finActor = new vtkActor();
finActor.SetMapper((vtkMapper)finMap);
finActor.GetProperty().SetColor((double)0.8,(double)0.8,(double)0.8);
// planes to threshold[]
tmap = new vtkStructuredPointsReader();
tmap.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/texThres2.vtk");
texture = new vtkTexture();
texture.SetInputConnection((vtkAlgorithmOutput)tmap.GetOutputPort());
texture.InterpolateOff();
texture.RepeatOff();
plane1 = new vtkStructuredGridGeometryFilter();
plane1.SetInputData(pl3d.GetOutput().GetBlock(0));
plane1.SetExtent((int)10,(int)10,(int)0,(int)100,(int)0,(int)100);
thresh1 = new vtkThresholdTextureCoords();
thresh1.SetInputConnection((vtkAlgorithmOutput)plane1.GetOutputPort());
thresh1.ThresholdByUpper((double)1.5);
plane1Map = new vtkDataSetMapper();
plane1Map.SetInputConnection((vtkAlgorithmOutput)thresh1.GetOutputPort());
plane1Map.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[1]);
plane1Actor = new vtkActor();
plane1Actor.SetMapper((vtkMapper)plane1Map);
plane1Actor.SetTexture((vtkTexture)texture);
plane1Actor.GetProperty().SetOpacity((double)0.999);
plane2 = new vtkStructuredGridGeometryFilter();
plane2.SetInputData(pl3d.GetOutput().GetBlock(0));
plane2.SetExtent((int)30,(int)30,(int)0,(int)100,(int)0,(int)100);
thresh2 = new vtkThresholdTextureCoords();
thresh2.SetInputConnection((vtkAlgorithmOutput)plane2.GetOutputPort());
thresh2.ThresholdByLower((double)1.5);
plane2Map = new vtkDataSetMapper();
plane2Map.SetInputConnection((vtkAlgorithmOutput)thresh2.GetOutputPort());
plane2Map.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[1]);
plane2Actor = new vtkActor();
plane2Actor.SetMapper((vtkMapper)plane2Map);
plane2Actor.SetTexture((vtkTexture)texture);
plane2Actor.GetProperty().SetOpacity((double)0.999);
plane3 = new vtkStructuredGridGeometryFilter();
plane3.SetInputData(pl3d.GetOutput().GetBlock(0));
plane3.SetExtent((int)35,(int)35,(int)0,(int)100,(int)0,(int)100);
thresh3 = new vtkThresholdTextureCoords();
thresh3.SetInputConnection((vtkAlgorithmOutput)plane3.GetOutputPort());
thresh3.ThresholdBetween((double)1.5,(double)1.8);
plane3Map = new vtkDataSetMapper();
plane3Map.SetInputConnection((vtkAlgorithmOutput)thresh3.GetOutputPort());
plane3Map.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[1]);
plane3Actor = new vtkActor();
plane3Actor.SetMapper((vtkMapper)plane3Map);
plane3Actor.SetTexture((vtkTexture)texture);
plane3Actor.GetProperty().SetOpacity((double)0.999);
// outline[]
outline = new vtkStructuredGridOutlineFilter();
outline.SetInputData(pl3d.GetOutput().GetBlock(0));
outlineMapper = vtkPolyDataMapper.New();
outlineMapper.SetInputConnection((vtkAlgorithmOutput)outline.GetOutputPort());
outlineActor = new vtkActor();
outlineActor.SetMapper((vtkMapper)outlineMapper);
outlineProp = outlineActor.GetProperty();
outlineProp.SetColor((double)0,(double)0,(double)0);
// Add the actors to the renderer, set the background and size[]
//[]
ren1.AddActor((vtkProp)outlineActor);
ren1.AddActor((vtkProp)wallActor);
ren1.AddActor((vtkProp)finActor);
ren1.AddActor((vtkProp)plane1Actor);
ren1.AddActor((vtkProp)plane2Actor);
ren1.AddActor((vtkProp)plane3Actor);
ren1.SetBackground((double)1,(double)1,(double)1);
renWin.SetSize((int)256,(int)256);
cam1 = new vtkCamera();
cam1.SetClippingRange((double)1.51176,(double)75.5879);
cam1.SetFocalPoint((double)2.33749,(double)2.96739,(double)3.61023);
cam1.SetPosition((double)10.8787,(double)5.27346,(double)15.8687);
cam1.SetViewAngle((double)30);
cam1.SetViewUp((double)-0.0610856,(double)0.987798,(double)-0.143262);
ren1.SetActiveCamera((vtkCamera)cam1);
iren.Initialize();
// render the image[]
//[]
// prevent the tk window from showing up then start the event loop[]
//deleteAllVTKObjects();
}
///<summary> A Set Method for Static Variables </summary>
public static void Settmap(vtkStructuredPointsReader toSet)
{
tmap = toSet;
}
///<summary> A Set Method for Static Variables </summary>
public static void Settmap(vtkStructuredPointsReader toSet)
{
tmap = toSet;
}
/// <summary>
/// The main entry method called by the CSharp driver
/// </summary>
/// <param name="argv"></param>
public static void AVtextureThreshold(String [] argv)
{
//Prefix Content is: ""
// Create the RenderWindow, Renderer and both Actors[]
//[]
ren1 = vtkRenderer.New();
renWin = vtkRenderWindow.New();
renWin.AddRenderer((vtkRenderer)ren1);
iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow((vtkRenderWindow)renWin);
// read data[]
//[]
pl3d = new vtkMultiBlockPLOT3DReader();
pl3d.SetXYZFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/bluntfinxyz.bin");
pl3d.SetQFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/bluntfinq.bin");
pl3d.SetScalarFunctionNumber((int)100);
pl3d.SetVectorFunctionNumber((int)202);
pl3d.Update();
// wall[]
//[]
wall = new vtkStructuredGridGeometryFilter();
wall.SetInputData(pl3d.GetOutput().GetBlock(0));
wall.SetExtent((int)0, (int)100, (int)0, (int)0, (int)0, (int)100);
wallMap = vtkPolyDataMapper.New();
wallMap.SetInputConnection((vtkAlgorithmOutput)wall.GetOutputPort());
wallMap.ScalarVisibilityOff();
wallActor = new vtkActor();
wallActor.SetMapper((vtkMapper)wallMap);
wallActor.GetProperty().SetColor((double)0.8, (double)0.8, (double)0.8);
// fin[]
// []
fin = new vtkStructuredGridGeometryFilter();
fin.SetInputData(pl3d.GetOutput().GetBlock(0));
fin.SetExtent((int)0, (int)100, (int)0, (int)100, (int)0, (int)0);
finMap = vtkPolyDataMapper.New();
finMap.SetInputConnection((vtkAlgorithmOutput)fin.GetOutputPort());
finMap.ScalarVisibilityOff();
finActor = new vtkActor();
finActor.SetMapper((vtkMapper)finMap);
finActor.GetProperty().SetColor((double)0.8, (double)0.8, (double)0.8);
// planes to threshold[]
tmap = new vtkStructuredPointsReader();
tmap.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/texThres2.vtk");
texture = new vtkTexture();
texture.SetInputConnection((vtkAlgorithmOutput)tmap.GetOutputPort());
texture.InterpolateOff();
texture.RepeatOff();
plane1 = new vtkStructuredGridGeometryFilter();
plane1.SetInputData(pl3d.GetOutput().GetBlock(0));
plane1.SetExtent((int)10, (int)10, (int)0, (int)100, (int)0, (int)100);
thresh1 = new vtkThresholdTextureCoords();
thresh1.SetInputConnection((vtkAlgorithmOutput)plane1.GetOutputPort());
thresh1.ThresholdByUpper((double)1.5);
plane1Map = new vtkDataSetMapper();
plane1Map.SetInputConnection((vtkAlgorithmOutput)thresh1.GetOutputPort());
plane1Map.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[1]);
plane1Actor = new vtkActor();
plane1Actor.SetMapper((vtkMapper)plane1Map);
plane1Actor.SetTexture((vtkTexture)texture);
plane1Actor.GetProperty().SetOpacity((double)0.999);
plane2 = new vtkStructuredGridGeometryFilter();
plane2.SetInputData(pl3d.GetOutput().GetBlock(0));
plane2.SetExtent((int)30, (int)30, (int)0, (int)100, (int)0, (int)100);
thresh2 = new vtkThresholdTextureCoords();
thresh2.SetInputConnection((vtkAlgorithmOutput)plane2.GetOutputPort());
thresh2.ThresholdByLower((double)1.5);
plane2Map = new vtkDataSetMapper();
plane2Map.SetInputConnection((vtkAlgorithmOutput)thresh2.GetOutputPort());
plane2Map.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[1]);
plane2Actor = new vtkActor();
plane2Actor.SetMapper((vtkMapper)plane2Map);
plane2Actor.SetTexture((vtkTexture)texture);
plane2Actor.GetProperty().SetOpacity((double)0.999);
plane3 = new vtkStructuredGridGeometryFilter();
plane3.SetInputData(pl3d.GetOutput().GetBlock(0));
plane3.SetExtent((int)35, (int)35, (int)0, (int)100, (int)0, (int)100);
thresh3 = new vtkThresholdTextureCoords();
thresh3.SetInputConnection((vtkAlgorithmOutput)plane3.GetOutputPort());
thresh3.ThresholdBetween((double)1.5, (double)1.8);
plane3Map = new vtkDataSetMapper();
plane3Map.SetInputConnection((vtkAlgorithmOutput)thresh3.GetOutputPort());
plane3Map.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[1]);
plane3Actor = new vtkActor();
plane3Actor.SetMapper((vtkMapper)plane3Map);
plane3Actor.SetTexture((vtkTexture)texture);
plane3Actor.GetProperty().SetOpacity((double)0.999);
// outline[]
outline = new vtkStructuredGridOutlineFilter();
outline.SetInputData(pl3d.GetOutput().GetBlock(0));
outlineMapper = vtkPolyDataMapper.New();
outlineMapper.SetInputConnection((vtkAlgorithmOutput)outline.GetOutputPort());
outlineActor = new vtkActor();
outlineActor.SetMapper((vtkMapper)outlineMapper);
outlineProp = outlineActor.GetProperty();
outlineProp.SetColor((double)0, (double)0, (double)0);
// Add the actors to the renderer, set the background and size[]
//[]
ren1.AddActor((vtkProp)outlineActor);
ren1.AddActor((vtkProp)wallActor);
ren1.AddActor((vtkProp)finActor);
ren1.AddActor((vtkProp)plane1Actor);
ren1.AddActor((vtkProp)plane2Actor);
ren1.AddActor((vtkProp)plane3Actor);
ren1.SetBackground((double)1, (double)1, (double)1);
renWin.SetSize((int)256, (int)256);
cam1 = new vtkCamera();
cam1.SetClippingRange((double)1.51176, (double)75.5879);
cam1.SetFocalPoint((double)2.33749, (double)2.96739, (double)3.61023);
cam1.SetPosition((double)10.8787, (double)5.27346, (double)15.8687);
cam1.SetViewAngle((double)30);
cam1.SetViewUp((double)-0.0610856, (double)0.987798, (double)-0.143262);
ren1.SetActiveCamera((vtkCamera)cam1);
iren.Initialize();
// render the image[]
//[]
// prevent the tk window from showing up then start the event loop[]
//deleteAllVTKObjects();
}