private void VectorFieldNonZeroExtraction()
{
// Create an image
vtkImageData image = vtkImageData.New();
CreateVectorField(ref image);
// This filter produces a vtkImageData with an array named "Magnitude"
vtkImageMagnitude magnitudeFilter = vtkImageMagnitude.New();
magnitudeFilter.SetInputConnection(image.GetProducerPort());
magnitudeFilter.Update();
image.GetPointData().AddArray(magnitudeFilter.GetOutput().GetPointData().GetScalars());
image.GetPointData().SetActiveScalars("Magnitude");
vtkThresholdPoints thresholdVector = vtkThresholdPoints.New();
thresholdVector.SetInput(image);
thresholdVector.SetInputArrayToProcess(
0,
0,
(int)vtkDataObject.FieldAssociations.FIELD_ASSOCIATION_POINTS,
(int)vtkDataSetAttributes.AttributeTypes.SCALARS,
"Magnitude");
thresholdVector.ThresholdByUpper(0.00001);
thresholdVector.Update();
// in case you want to save imageData
//vtkXMLPolyDataWriter writer = vtkXMLPolyDataWriter.New();
//writer.SetFileName("output.vtp");
//writer.SetInputConnection(thresholdPoints.GetOutputPort());
//writer.Write();
// repesents the pixels
vtkCubeSource cubeSource = vtkCubeSource.New();
cubeSource.SetXLength(2.0);
cubeSource.SetYLength(2.0);
cubeSource.SetZLength(2.0);
vtkGlyph3D glyph = vtkGlyph3D.New();
glyph.SetInput(image);
glyph.SetSourceConnection(cubeSource.GetOutputPort());
// don't scale glyphs according to any scalar data
glyph.SetScaleModeToDataScalingOff();
vtkPolyDataMapper glyphMapper = vtkPolyDataMapper.New();
glyphMapper.SetInputConnection(glyph.GetOutputPort());
// don't color glyphs according to scalar data
glyphMapper.ScalarVisibilityOff();
glyphMapper.SetScalarModeToDefault();
vtkActor actor = vtkActor.New();
actor.SetMapper(glyphMapper);
// represent vector field
vtkGlyph3D vectorGlyph = vtkGlyph3D.New();
vtkArrowSource arrowSource = vtkArrowSource.New();
vtkPolyDataMapper vectorGlyphMapper = vtkPolyDataMapper.New();
int n = image.GetPointData().GetNumberOfArrays();
for (int i = 0; i < n; i++)
{
Debug.WriteLine("name of array[" + i + "]: " + image.GetPointData().GetArrayName(i));
}
vtkPolyData tmp = thresholdVector.GetOutput();
Debug.WriteLine("number of thresholded points: " + tmp.GetNumberOfPoints());
vectorGlyph.SetInputConnection(thresholdVector.GetOutputPort());
// in case you want the point glyphs to be oriented according to
// scalar values in array "ImageScalars" uncomment the following line
image.GetPointData().SetActiveVectors("ImageScalars");
vectorGlyph.SetSourceConnection(arrowSource.GetOutputPort());
vectorGlyph.SetScaleModeToScaleByVector();
vectorGlyph.SetVectorModeToUseVector();
vectorGlyph.ScalingOn();
vectorGlyph.OrientOn();
vectorGlyph.SetInputArrayToProcess(
1,
0,
(int)vtkDataObject.FieldAssociations.FIELD_ASSOCIATION_POINTS,
(int)vtkDataSetAttributes.AttributeTypes.SCALARS,
"ImageScalars");
vectorGlyph.Update();
vectorGlyphMapper.SetInputConnection(vectorGlyph.GetOutputPort());
vectorGlyphMapper.Update();
vtkActor vectorActor = vtkActor.New();
vectorActor.SetMapper(vectorGlyphMapper);
// 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, .6, .3);
//Add the actors to the renderer, set the background and size
renderer.AddActor(actor);
renderer.AddActor(vectorActor);
}
/// <summary>
/// The main entry method called by the CSharp driver
/// </summary>
/// <param name="argv"></param>
public static void AVgaussian(String [] argv)
{
//Prefix Content is: ""
ren1 = vtkRenderer.New();
renWin = vtkRenderWindow.New();
renWin.AddRenderer((vtkRenderer)ren1);
renWin.SetSize((int)300,(int)300);
iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow((vtkRenderWindow)renWin);
camera = new vtkCamera();
camera.ParallelProjectionOn();
camera.SetViewUp((double)0,(double)1,(double)0);
camera.SetFocalPoint((double)12,(double)10.5,(double)15);
camera.SetPosition((double)-70,(double)15,(double)34);
camera.ComputeViewPlaneNormal();
ren1.SetActiveCamera((vtkCamera)camera);
// Create the reader for the data[]
//vtkStructuredPointsReader reader[]
reader = new vtkGaussianCubeReader();
reader.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/m4_TotalDensity.cube");
reader.SetHBScale((double)1.1);
reader.SetBScale((double)10);
reader.Update();
range = reader.GetGridOutput().GetPointData().GetScalars().GetRange();
min = (double)(lindex(range,0));
max = (double)(lindex(range,1));
readerSS = new vtkImageShiftScale();
readerSS.SetInput((vtkDataObject)reader.GetGridOutput());
readerSS.SetShift((double)min*-1);
readerSS.SetScale((double)255/(max-min));
readerSS.SetOutputScalarTypeToUnsignedChar();
bounds = new vtkOutlineFilter();
bounds.SetInput((vtkDataObject)reader.GetGridOutput());
boundsMapper = vtkPolyDataMapper.New();
boundsMapper.SetInputConnection((vtkAlgorithmOutput)bounds.GetOutputPort());
boundsActor = new vtkActor();
boundsActor.SetMapper((vtkMapper)boundsMapper);
boundsActor.GetProperty().SetColor((double)0,(double)0,(double)0);
contour = new vtkContourFilter();
contour.SetInput((vtkDataObject)reader.GetGridOutput());
contour.GenerateValues((int)5,(double)0,(double).05);
contourMapper = vtkPolyDataMapper.New();
contourMapper.SetInputConnection((vtkAlgorithmOutput)contour.GetOutputPort());
contourMapper.SetScalarRange((double)0,(double).1);
((vtkLookupTable)contourMapper.GetLookupTable()).SetHueRange(0.32,0);
contourActor = new vtkActor();
contourActor.SetMapper((vtkMapper)contourMapper);
contourActor.GetProperty().SetOpacity((double).5);
// Create transfer mapping scalar value to opacity[]
opacityTransferFunction = new vtkPiecewiseFunction();
opacityTransferFunction.AddPoint((double)0,(double)0.01);
opacityTransferFunction.AddPoint((double)255,(double)0.35);
opacityTransferFunction.ClampingOn();
// Create transfer mapping scalar value to color[]
colorTransferFunction = new vtkColorTransferFunction();
colorTransferFunction.AddHSVPoint((double)0.0,(double)0.66,(double)1.0,(double)1.0);
colorTransferFunction.AddHSVPoint((double)50.0,(double)0.33,(double)1.0,(double)1.0);
colorTransferFunction.AddHSVPoint((double)100.0,(double)0.00,(double)1.0,(double)1.0);
// The property describes how the data will look[]
volumeProperty = new vtkVolumeProperty();
volumeProperty.SetColor((vtkColorTransferFunction)colorTransferFunction);
volumeProperty.SetScalarOpacity((vtkPiecewiseFunction)opacityTransferFunction);
volumeProperty.SetInterpolationTypeToLinear();
// The mapper / ray cast function know how to render the data[]
compositeFunction = new vtkVolumeRayCastCompositeFunction();
volumeMapper = new vtkVolumeRayCastMapper();
//vtkVolumeTextureMapper2D volumeMapper[]
volumeMapper.SetVolumeRayCastFunction((vtkVolumeRayCastFunction)compositeFunction);
volumeMapper.SetInputConnection((vtkAlgorithmOutput)readerSS.GetOutputPort());
// The volume holds the mapper and the property and[]
// can be used to position/orient the volume[]
volume = new vtkVolume();
volume.SetMapper((vtkAbstractVolumeMapper)volumeMapper);
volume.SetProperty((vtkVolumeProperty)volumeProperty);
ren1.AddVolume((vtkProp)volume);
//ren1 AddActor contourActor[]
ren1.AddActor((vtkProp)boundsActor);
//#####################################################################[]
Sphere = new vtkSphereSource();
Sphere.SetCenter((double)0,(double)0,(double)0);
Sphere.SetRadius((double)1);
Sphere.SetThetaResolution((int)16);
Sphere.SetStartTheta((double)0);
Sphere.SetEndTheta((double)360);
Sphere.SetPhiResolution((int)16);
Sphere.SetStartPhi((double)0);
Sphere.SetEndPhi((double)180);
Glyph = new vtkGlyph3D();
Glyph.SetInputConnection((vtkAlgorithmOutput)reader.GetOutputPort());
Glyph.SetOrient((int)1);
Glyph.SetColorMode((int)1);
//Glyph ScalingOn[]
Glyph.SetScaleMode((int)2);
Glyph.SetScaleFactor((double).6);
Glyph.SetSource((vtkPolyData)Sphere.GetOutput());
AtomsMapper = vtkPolyDataMapper.New();
AtomsMapper.SetInputConnection((vtkAlgorithmOutput)Glyph.GetOutputPort());
AtomsMapper.SetImmediateModeRendering((int)1);
AtomsMapper.UseLookupTableScalarRangeOff();
AtomsMapper.SetScalarVisibility((int)1);
AtomsMapper.SetScalarModeToDefault();
Atoms = new vtkActor();
Atoms.SetMapper((vtkMapper)AtomsMapper);
Atoms.GetProperty().SetRepresentationToSurface();
Atoms.GetProperty().SetInterpolationToGouraud();
Atoms.GetProperty().SetAmbient((double)0.15);
Atoms.GetProperty().SetDiffuse((double)0.85);
Atoms.GetProperty().SetSpecular((double)0.1);
Atoms.GetProperty().SetSpecularPower((double)100);
Atoms.GetProperty().SetSpecularColor((double)1,(double)1,(double)1);
Atoms.GetProperty().SetColor((double)1,(double)1,(double)1);
Tube = new vtkTubeFilter();
Tube.SetInputConnection((vtkAlgorithmOutput)reader.GetOutputPort());
Tube.SetNumberOfSides((int)16);
Tube.SetCapping((int)0);
Tube.SetRadius((double)0.2);
Tube.SetVaryRadius((int)0);
Tube.SetRadiusFactor((double)10);
BondsMapper = vtkPolyDataMapper.New();
BondsMapper.SetInputConnection((vtkAlgorithmOutput)Tube.GetOutputPort());
BondsMapper.SetImmediateModeRendering((int)1);
BondsMapper.UseLookupTableScalarRangeOff();
BondsMapper.SetScalarVisibility((int)1);
BondsMapper.SetScalarModeToDefault();
Bonds = new vtkActor();
Bonds.SetMapper((vtkMapper)BondsMapper);
Bonds.GetProperty().SetRepresentationToSurface();
Bonds.GetProperty().SetInterpolationToGouraud();
Bonds.GetProperty().SetAmbient((double)0.15);
Bonds.GetProperty().SetDiffuse((double)0.85);
Bonds.GetProperty().SetSpecular((double)0.1);
Bonds.GetProperty().SetSpecularPower((double)100);
Bonds.GetProperty().SetSpecularColor((double)1,(double)1,(double)1);
Bonds.GetProperty().SetColor((double)1,(double)1,(double)1);
ren1.AddActor((vtkProp)Bonds);
ren1.AddActor((vtkProp)Atoms);
//###################################################[]
ren1.SetBackground((double)1,(double)1,(double)1);
ren1.ResetCamera();
renWin.Render();
//method moved
renWin.AbortCheckEvt += new Kitware.VTK.vtkObject.vtkObjectEventHandler(TkCheckAbort_Command.Execute);
iren.Initialize();
//deleteAllVTKObjects();
}
private void ReadPDB()
{
// Path to vtk data must be set as an environment variable
// VTK_DATA_ROOT = "C:\VTK\vtkdata-5.8.0"
vtkTesting test = vtkTesting.New();
string root = test.GetDataRoot();
string filePath = System.IO.Path.Combine(root, @"Data\caffeine.pdb");
vtkPDBReader pdb = vtkPDBReader.New();
pdb.SetFileName(filePath);
pdb.SetHBScale(1.0);
pdb.SetBScale(1.0);
pdb.Update();
Debug.WriteLine("# of atoms is: " + pdb.GetNumberOfAtoms());
// if molecule contains a lot of atoms, reduce the resolution of the sphere (represents an atom) for faster rendering
int resolution = (int)Math.Floor(Math.Sqrt(300000.0 / pdb.GetNumberOfAtoms())); // 300000.0 is an empriric value
if (resolution > 20)
{
resolution = 20;
}
else if (resolution < 4)
{
resolution = 4;
}
Debug.WriteLine("Resolution is: " + resolution);
vtkSphereSource sphere = vtkSphereSource.New();
sphere.SetCenter(0, 0, 0);
sphere.SetRadius(1);
sphere.SetThetaResolution(resolution);
sphere.SetPhiResolution(resolution);
vtkGlyph3D glyph = vtkGlyph3D.New();
glyph.SetInputConnection(pdb.GetOutputPort());
glyph.SetOrient(1);
glyph.SetColorMode(1);
// glyph.ScalingOn();
glyph.SetScaleMode(2);
glyph.SetScaleFactor(.25);
glyph.SetSourceConnection(sphere.GetOutputPort());
vtkPolyDataMapper atomMapper = vtkPolyDataMapper.New();
atomMapper.SetInputConnection(glyph.GetOutputPort());
atomMapper.UseLookupTableScalarRangeOff();
atomMapper.ScalarVisibilityOn();
atomMapper.SetScalarModeToDefault();
vtkLODActor atom = vtkLODActor.New();
atom.SetMapper(atomMapper);
atom.GetProperty().SetRepresentationToSurface();
atom.GetProperty().SetInterpolationToGouraud();
atom.GetProperty().SetAmbient(0.15);
atom.GetProperty().SetDiffuse(0.85);
atom.GetProperty().SetSpecular(0.1);
atom.GetProperty().SetSpecularPower(30);
atom.GetProperty().SetSpecularColor(1, 1, 1);
atom.SetNumberOfCloudPoints(30000);
vtkTubeFilter tube = vtkTubeFilter.New();
tube.SetInputConnection(pdb.GetOutputPort());
tube.SetNumberOfSides(resolution);
tube.CappingOff();
tube.SetRadius(0.2);
// turn off variation of tube radius with scalar values
tube.SetVaryRadius(0);
tube.SetRadiusFactor(10);
vtkPolyDataMapper bondMapper = vtkPolyDataMapper.New();
bondMapper.SetInputConnection(tube.GetOutputPort());
bondMapper.UseLookupTableScalarRangeOff();
bondMapper.ScalarVisibilityOff();
bondMapper.SetScalarModeToDefault();
vtkLODActor bond = vtkLODActor.New();
bond.SetMapper(bondMapper);
bond.GetProperty().SetRepresentationToSurface();
bond.GetProperty().SetInterpolationToGouraud();
bond.GetProperty().SetAmbient(0.15);
bond.GetProperty().SetDiffuse(0.85);
bond.GetProperty().SetSpecular(0.1);
bond.GetProperty().SetSpecularPower(30);
bond.GetProperty().SetSpecularColor(1, 1, 1);
bond.GetProperty().SetDiffuseColor(1.0000, 0.8941, 0.70981);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(0.2, 0.3, 0.4);
// add our actor to the renderer
renderer.AddActor(atom);
renderer.AddActor(bond);
}
/// <summary>
/// The main entry method called by the CSharp driver
/// </summary>
/// <param name="argv"></param>
public static void AVTestMultiBlockStreamer(String [] argv)
{
//Prefix Content is: ""
// we need to use composite data pipeline with multiblock datasets[]
alg = new vtkAlgorithm();
pip = new vtkCompositeDataPipeline();
vtkAlgorithm.SetDefaultExecutivePrototype((vtkExecutive)pip);
//skipping Delete pip
Ren1 = vtkRenderer.New();
Ren1.SetBackground((double)0.33,(double)0.35,(double)0.43);
renWin = vtkRenderWindow.New();
renWin.AddRenderer((vtkRenderer)Ren1);
iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow((vtkRenderWindow)renWin);
Plot3D0 = new vtkPLOT3DReader();
Plot3D0.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/combxyz.bin");
Plot3D0.SetQFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/combq.bin");
Plot3D0.SetBinaryFile((int)1);
Plot3D0.SetMultiGrid((int)0);
Plot3D0.SetHasByteCount((int)0);
Plot3D0.SetIBlanking((int)0);
Plot3D0.SetTwoDimensionalGeometry((int)0);
Plot3D0.SetForceRead((int)0);
Plot3D0.SetByteOrder((int)0);
Geometry5 = new vtkStructuredGridOutlineFilter();
Geometry5.SetInputConnection((vtkAlgorithmOutput)Plot3D0.GetOutputPort());
Mapper5 = vtkPolyDataMapper.New();
Mapper5.SetInputConnection((vtkAlgorithmOutput)Geometry5.GetOutputPort());
Mapper5.SetImmediateModeRendering((int)1);
Mapper5.UseLookupTableScalarRangeOn();
Mapper5.SetScalarVisibility((int)0);
Mapper5.SetScalarModeToDefault();
Actor5 = new vtkActor();
Actor5.SetMapper((vtkMapper)Mapper5);
Actor5.GetProperty().SetRepresentationToSurface();
Actor5.GetProperty().SetInterpolationToGouraud();
Actor5.GetProperty().SetAmbient((double)0.15);
Actor5.GetProperty().SetDiffuse((double)0.85);
Actor5.GetProperty().SetSpecular((double)0.1);
Actor5.GetProperty().SetSpecularPower((double)100);
Actor5.GetProperty().SetSpecularColor((double)1,(double)1,(double)1);
Actor5.GetProperty().SetColor((double)1,(double)1,(double)1);
Ren1.AddActor((vtkProp)Actor5);
ExtractGrid[0] = new vtkExtractGrid();
ExtractGrid[0].SetInputConnection((vtkAlgorithmOutput)Plot3D0.GetOutputPort());
ExtractGrid[0].SetVOI((int)0,(int)14,(int)0,(int)32,(int)0,(int)24);
ExtractGrid[0].SetSampleRate((int)1,(int)1,(int)1);
ExtractGrid[0].SetIncludeBoundary((int)0);
ExtractGrid[1] = new vtkExtractGrid();
ExtractGrid[1].SetInputConnection((vtkAlgorithmOutput)Plot3D0.GetOutputPort());
ExtractGrid[1].SetVOI((int)14,(int)29,(int)0,(int)32,(int)0,(int)24);
ExtractGrid[1].SetSampleRate((int)1,(int)1,(int)1);
ExtractGrid[1].SetIncludeBoundary((int)0);
ExtractGrid[2] = new vtkExtractGrid();
ExtractGrid[2].SetInputConnection((vtkAlgorithmOutput)Plot3D0.GetOutputPort());
ExtractGrid[2].SetVOI((int)29,(int)56,(int)0,(int)32,(int)0,(int)24);
ExtractGrid[2].SetSampleRate((int)1,(int)1,(int)1);
ExtractGrid[2].SetIncludeBoundary((int)0);
LineSourceWidget0 = new vtkLineSource();
LineSourceWidget0.SetPoint1((double)3.05638,(double)-3.00497,(double)28.2211);
LineSourceWidget0.SetPoint2((double)3.05638,(double)3.95916,(double)28.2211);
LineSourceWidget0.SetResolution((int)20);
mbds = new vtkMultiBlockDataSet();
mbds.SetNumberOfBlocks((uint)3);
i = 0;
while((i) < 3)
{
ExtractGrid[i].Update();
sg[i] = vtkStructuredGrid.New();
sg[i].ShallowCopy(ExtractGrid[i].GetOutput());
mbds.SetBlock((uint)i, sg[i]);
//skipping Delete sg[i]
i = i + 1;
}
Stream0 = new vtkStreamTracer();
Stream0.SetInput((vtkDataObject)mbds);
Stream0.SetSource((vtkDataSet)LineSourceWidget0.GetOutput());
Stream0.SetIntegrationStepUnit(2);
Stream0.SetMaximumPropagation((double)20);
Stream0.SetInitialIntegrationStep((double)0.5);
Stream0.SetIntegrationDirection((int)0);
Stream0.SetIntegratorType((int)0);
Stream0.SetMaximumNumberOfSteps((int)2000);
Stream0.SetTerminalSpeed((double)1e-12);
//skipping Delete mbds
aa = new vtkAssignAttribute();
aa.SetInputConnection((vtkAlgorithmOutput)Stream0.GetOutputPort());
aa.Assign((string)"Normals",(string)"NORMALS",(string)"POINT_DATA");
Ribbon0 = new vtkRibbonFilter();
Ribbon0.SetInputConnection((vtkAlgorithmOutput)aa.GetOutputPort());
Ribbon0.SetWidth((double)0.1);
Ribbon0.SetAngle((double)0);
Ribbon0.SetDefaultNormal((double)0,(double)0,(double)1);
Ribbon0.SetVaryWidth((int)0);
LookupTable1 = new vtkLookupTable();
LookupTable1.SetNumberOfTableValues((int)256);
LookupTable1.SetHueRange((double)0,(double)0.66667);
LookupTable1.SetSaturationRange((double)1,(double)1);
LookupTable1.SetValueRange((double)1,(double)1);
LookupTable1.SetTableRange((double)0.197813,(double)0.710419);
LookupTable1.SetVectorComponent((int)0);
LookupTable1.Build();
Mapper10 = vtkPolyDataMapper.New();
Mapper10.SetInputConnection((vtkAlgorithmOutput)Ribbon0.GetOutputPort());
Mapper10.SetImmediateModeRendering((int)1);
Mapper10.UseLookupTableScalarRangeOn();
Mapper10.SetScalarVisibility((int)1);
Mapper10.SetScalarModeToUsePointFieldData();
Mapper10.SelectColorArray((string)"Density");
Mapper10.SetLookupTable((vtkScalarsToColors)LookupTable1);
Actor10 = new vtkActor();
Actor10.SetMapper((vtkMapper)Mapper10);
Actor10.GetProperty().SetRepresentationToSurface();
Actor10.GetProperty().SetInterpolationToGouraud();
Actor10.GetProperty().SetAmbient((double)0.15);
Actor10.GetProperty().SetDiffuse((double)0.85);
Actor10.GetProperty().SetSpecular((double)0);
Actor10.GetProperty().SetSpecularPower((double)1);
Actor10.GetProperty().SetSpecularColor((double)1,(double)1,(double)1);
Ren1.AddActor((vtkProp)Actor10);
// enable user interface interactor[]
iren.Initialize();
// prevent the tk window from showing up then start the event loop[]
vtkAlgorithm.SetDefaultExecutivePrototype(null);
//skipping Delete alg
//deleteAllVTKObjects();
}