static void Main(string[] args)
{
// This example demonstrates the use of vtk3DSImporter.
// vtk3DSImporter is used to load 3D Studio files. Unlike writers,
// importers can load scenes (data as well as lights, cameras, actors
// etc.). Importers will either generate an instance of vtkRenderWindow
// and/or vtkRenderer or will use the ones you specify.
string VTK_DATA_ROOT = vtk.vtkDotNetUtil.vtkGetDataRoot();
// Create the importer and read a file
vtk.vtk3DSImporter importer = new vtk.vtk3DSImporter();
importer.ComputeNormalsOn();
importer.SetFileName(VTK_DATA_ROOT + "/Data/iflamigm.3ds");
importer.Read();
// Here we let the importer create a renderer and a render window for
// us. We could have also create and assigned those ourselves like so:
// renWin = vtk.vtkRenderWindow();
// importer.SetRenderWindow(renWin);
// Assign an interactor.
// We have to ask the importer for it's render window.
vtk.vtkRenderWindow renWin = importer.GetRenderWindow();
vtk.vtkRenderWindowInteractor iren = new vtk.vtkRenderWindowInteractor();
iren.SetRenderWindow(renWin);
// Set the render window's size
renWin.SetSize(300, 300);
// Set some properties on the renderer.
// We have to ask the importer for it's renderer.
vtk.vtkRenderer ren = importer.GetRenderer();
ren.SetBackground(0.1, 0.2, 0.4);
// Position the camera:
// change view up to +z
vtk.vtkCamera camera = ren.GetActiveCamera();
camera.SetPosition(0, 1, 0);
camera.SetFocalPoint(0, 0, 0);
camera.SetViewUp(0, 0, 1);
// let the renderer compute good position and focal point
ren.ResetCamera();
camera.Dolly(1.4);
ren.ResetCameraClippingRange();
iren.Initialize();
renWin.Render();
iren.Start();
vtk.vtkWin32OpenGLRenderWindow win32win =
vtk.vtkWin32OpenGLRenderWindow.SafeDownCast(renWin);
if (null != win32win) win32win.Clean();
}
public void VolumeRender(vtk.vtkImageData VoxelDatat)
{
VoxelData = VoxelDatat;
renWin.AddRenderer(ren1);
iren.SetRenderWindow(renWin);
double[] inputRange = VoxelData.GetScalarRange();
vtk.vtkPiecewiseFunction opacityTransferFunction = new vtk.vtkPiecewiseFunction();
opacityTransferFunction.AddPoint(inputRange[0], 0);
opacityTransferFunction.AddPoint(inputRange[1], 1);
vtk.vtkColorTransferFunction colorTransferFunction = new vtk.vtkColorTransferFunction();
colorTransferFunction.AddRGBPoint(inputRange[0], 1.0, 1.0, 1.0);
colorTransferFunction.AddRGBPoint(inputRange[1], 1.0, 1.0, 1.0);
volumeProperty.SetColor(colorTransferFunction);
volumeProperty.SetScalarOpacity(opacityTransferFunction);
volumeProperty.ShadeOff();
volumeProperty.SetInterpolationTypeToLinear();
volume.SetProperty(volumeProperty);
setRAY();
ren1.AddVolume(volume);
ren1.ResetCamera();
renWin.Render();
addBusyObservers();
iren.Initialize(); iren.Enable();
}
static void Main(string[] args)
{
string VTK_DATA_ROOT = vtk.vtkDotNetUtil.vtkGetDataRoot();
// Create the reader and read a data file. Connect the mapper and
// actor.
vtk.vtkSTLReader sr = new vtk.vtkSTLReader();
sr.SetFileName(VTK_DATA_ROOT + "/Data/42400-IDGH.stl");
vtk.vtkPolyDataMapper stlMapper = new vtk.vtkPolyDataMapper();
stlMapper.SetInputConnection(sr.GetOutputPort());
vtk.vtkLODActor stlActor = new vtk.vtkLODActor();
stlActor.SetMapper(stlMapper);
// Create the Renderer, RenderWindow, and RenderWindowInteractor
vtk.vtkRenderer ren = new vtk.vtkRenderer();
vtk.vtkRenderWindow renWin = new vtk.vtkRenderWindow();
renWin.AddRenderer(ren);
vtk.vtkRenderWindowInteractor iren = new vtk.vtkRenderWindowInteractor();
iren.SetRenderWindow(renWin);
// Add the actors to the render; set the background and size
ren.AddActor(stlActor);
ren.SetBackground(0.1, 0.2, 0.4);
renWin.SetSize(500, 500);
// Zoom in closer
ren.ResetCamera();
vtk.vtkCamera cam1 = ren.GetActiveCamera();
cam1.Zoom(1.4);
iren.Initialize();
renWin.Render();
iren.Start();
vtk.vtkWin32OpenGLRenderWindow win32win =
vtk.vtkWin32OpenGLRenderWindow.SafeDownCast(renWin);
if (null != win32win) win32win.Clean();
}
public void ShowVTKV3d()
{
renWin.AddRenderer(aRenderer);
iren.SetRenderWindow(renWin);
vtk.vtkSmoothPolyDataFilter smoother = new vtk.vtkSmoothPolyDataFilter();
smoother.SetInputConnection(mc.GetOutputPort());
smoother.SetRelaxationFactor(0.05);
smoother.SetNumberOfIterations(30);
vtk.vtkDecimatePro deci = new vtk.vtkDecimatePro();
deci.SetInputConnection(smoother.GetOutputPort());
deci.SetTargetReduction(0.9);
deci.PreserveTopologyOn();
deci.Update();
int marchingNumberOfPoints = deci.GetOutput().GetNumberOfPoints();
int marchingNumberOfPolys = deci.GetOutput().GetNumberOfPolys();
info += "marching number of points : " + marchingNumberOfPoints + "\r\n";
info += "marching number of polys : " + marchingNumberOfPolys + "\r\n";
vtk.vtkSmoothPolyDataFilter smoother2 = new vtk.vtkSmoothPolyDataFilter();
smoother2.SetInputConnection(deci.GetOutputPort());
smoother2.SetRelaxationFactor(0.05);
smoother2.SetNumberOfIterations(30);
mcmap.SetInputConnection(smoother2.GetOutputPort());
mcmap.ScalarVisibilityOff();
mcactor.SetMapper(mcmap);
mcactor.GetProperty().SetColor(1, 1, 1);
aRenderer.AddActor(mcactor);
aRenderer.SetBackground(0.0f, 0.0f, 0.0f);
aRenderer.ResetCamera();
renWin.Render();
addBusyObservers();
iren.Initialize(); iren.Enable();
}
void Run()
{
// Create a selection window. We will display the point and cell ids
// that lie within this window.
int xmin = 200;
xLength = 100;
xmax = xmin + xLength;
int ymin = 200;
yLength = 100;
ymax = ymin + yLength;
pts = new vtk.vtkPoints();
pts.InsertPoint(0, xmin, ymin, 0);
pts.InsertPoint(1, xmax, ymin, 0);
pts.InsertPoint(2, xmax, ymax, 0);
pts.InsertPoint(3, xmin, ymax, 0);
vtk.vtkCellArray rect = new vtk.vtkCellArray();
rect.InsertNextCell(5);
rect.InsertCellPoint(0);
rect.InsertCellPoint(1);
rect.InsertCellPoint(2);
rect.InsertCellPoint(3);
rect.InsertCellPoint(0);
vtk.vtkPolyData selectRect = new vtk.vtkPolyData();
selectRect.SetPoints(pts);
selectRect.SetLines(rect);
vtk.vtkPolyDataMapper2D rectMapper = new vtk.vtkPolyDataMapper2D();
rectMapper.SetInput(selectRect);
vtk.vtkActor2D rectActor = new vtk.vtkActor2D();
rectActor.SetMapper(rectMapper);
// Create a sphere and its associated mapper and actor.
vtk.vtkSphereSource sphere = new vtk.vtkSphereSource();
vtk.vtkPolyDataMapper sphereMapper = new vtk.vtkPolyDataMapper();
sphereMapper.SetInputConnection(sphere.GetOutputPort());
vtk.vtkPolyDataMapper.GlobalImmediateModeRenderingOn();
vtk.vtkActor sphereActor = new vtk.vtkActor();
sphereActor.SetMapper(sphereMapper);
// Generate data arrays containing point and cell ids
vtk.vtkIdFilter ids = new vtk.vtkIdFilter();
ids.SetInputConnection(sphere.GetOutputPort());
ids.PointIdsOn();
ids.CellIdsOn();
ids.FieldDataOn();
// Create the renderer here because vtkSelectVisiblePoints needs it.
vtk.vtkRenderer ren = new vtk.vtkRenderer();
// Create labels for points
visPts = new vtk.vtkSelectVisiblePoints();
visPts.SetInputConnection(ids.GetOutputPort());
visPts.SetRenderer(ren);
visPts.SelectionWindowOn();
visPts.SetSelection(xmin, xmin + xLength, ymin, ymin + yLength);
// Create the mapper to display the point ids. Specify the format to
// use for the labels. Also create the associated actor.
vtk.vtkLabeledDataMapper ldm = new vtk.vtkLabeledDataMapper();
ldm.SetInputConnection(visPts.GetOutputPort());
ldm.SetLabelFormat("%g");
ldm.SetLabelModeToLabelFieldData();
vtk.vtkActor2D pointLabels = new vtk.vtkActor2D();
pointLabels.SetMapper(ldm);
// Create labels for cells
vtk.vtkCellCenters cc = new vtk.vtkCellCenters();
cc.SetInputConnection(ids.GetOutputPort());
visCells = new vtk.vtkSelectVisiblePoints();
visCells.SetInputConnection(cc.GetOutputPort());
visCells.SetRenderer(ren);
visCells.SelectionWindowOn();
visCells.SetSelection(xmin, xmin + xLength, ymin, ymin + yLength);
// Create the mapper to display the cell ids. Specify the format to
// use for the labels. Also create the associated actor.
vtk.vtkLabeledDataMapper cellMapper = new vtk.vtkLabeledDataMapper();
cellMapper.SetInputConnection(visCells.GetOutputPort());
cellMapper.SetLabelFormat("%g");
cellMapper.SetLabelModeToLabelFieldData();
cellMapper.GetLabelTextProperty().SetColor(0, 1, 0);
vtk.vtkActor2D cellLabels = new vtk.vtkActor2D();
cellLabels.SetMapper(cellMapper);
// Create the RenderWindow and RenderWindowInteractor
renWin = new vtk.vtkRenderWindow();
renWin.AddRenderer(ren);
vtk.vtkRenderWindowInteractor iren = new vtk.vtkRenderWindowInteractor();
iren.SetRenderWindow(renWin);
// Add the actors to the renderer; set the background and size;
// render
ren.AddActor(sphereActor);
ren.AddActor2D(rectActor);
ren.AddActor2D(pointLabels);
ren.AddActor2D(cellLabels);
ren.SetBackground(1, 1, 1);
renWin.SetSize(500, 500);
// Initialize the interactor.
iren.Initialize();
renWin.Render();
// Move the selection window across the data set.
MoveWindow();
// Put the selection window in the center of the render window.
// This works because the xmin = ymin = 200, xLength = yLength = 100, and
// the render window size is 500 x 500.
PlaceWindow(xmin, ymin);
// Now start normal interaction.
iren.Start();
vtk.vtkWin32OpenGLRenderWindow win32win =
vtk.vtkWin32OpenGLRenderWindow.SafeDownCast(renWin);
if (null != win32win) win32win.Clean();
}
public void rendersiteplanes(vtk.vtkImageData VoxelData)
{
//vtk.vtkWin32RenderWindowInteractor
renwX.AddRenderer(renX);
renwY.AddRenderer(renY);
renwZ.AddRenderer(renZ);
irenX.SetRenderWindow(renwX);
irenY.SetRenderWindow(renwY);
irenZ.SetRenderWindow(renwZ);
vtk.vtkOutlineFilter outline = new vtk.vtkOutlineFilter();
outline.SetInput(VoxelData);
vtk.vtkPolyDataMapper outlineMapper = new vtk.vtkPolyDataMapper();
outlineMapper.SetInputConnection(outline.GetOutputPort());
vtk.vtkActor outlineActor = new vtk.vtkActor();
outlineActor.SetMapper(outlineMapper);
vtk.vtkCellPicker picker = new vtk.vtkCellPicker();
picker.SetTolerance(0.005);
planeWidgetX.SetInteractor(irenX);
planeWidgetX.DisplayTextOff();
planeWidgetX.SetInput(VoxelData);
planeWidgetX.SetPlaneOrientationToXAxes();
planeWidgetX.SetSliceIndex(slizex);
planeWidgetX.SetPicker(picker);
planeWidgetX.On();
planeWidgetX.InteractionOff();
if (firstTime)
{
double[] wl = new double[2];
vtk.vtkLookupTable lktb = new vtk.vtkLookupTable();
lktb = planeWidgetX.GetLookupTable();
wl = lktb.GetTableRange();
rangeXMin = wl[0];
rangeXMax = wl[1];
planeWidgetX.GetWindowLevel(wl);
windowX = wl[0];
levelX = wl[1];
}
planeWidgetY.SetInteractor(irenY);
planeWidgetY.DisplayTextOff();
planeWidgetY.SetInput(VoxelData);
planeWidgetY.SetPlaneOrientationToYAxes();
planeWidgetY.SetSliceIndex(slizey);
planeWidgetY.SetPicker(picker);
planeWidgetY.On();
planeWidgetY.InteractionOff();
if (firstTime)
{
double[] wl = new double[2];
vtk.vtkLookupTable lktb = new vtk.vtkLookupTable();
lktb = planeWidgetY.GetLookupTable();
wl = lktb.GetTableRange();
rangeYMin = wl[0];
rangeYMax = wl[1];
planeWidgetY.GetWindowLevel(wl);
windowY = wl[0];
levelY = wl[1];
}
planeWidgetZ.SetInteractor(irenZ);
planeWidgetZ.DisplayTextOff();
planeWidgetZ.SetInput(VoxelData);
planeWidgetZ.SetPlaneOrientationToZAxes();
planeWidgetZ.SetSliceIndex(slizez);
planeWidgetZ.SetPicker(picker);
planeWidgetZ.On();
planeWidgetZ.InteractionOff();
if (firstTime)
{
double[] wl = new double[2];
vtk.vtkLookupTable lktb = new vtk.vtkLookupTable();
lktb = planeWidgetZ.GetLookupTable();
wl = lktb.GetTableRange();
rangeZMin = wl[0];
rangeZMax = wl[1];
planeWidgetZ.GetWindowLevel(wl);
windowZ = wl[0];
levelZ = wl[1];
}
firstTime = false;
enabled = true;
if (firstime == 1)
{
renX.GetActiveCamera().Roll(90);
renX.GetActiveCamera().Azimuth(90);
renY.GetActiveCamera().Elevation(-90);
renX.GetActiveCamera().ParallelProjectionOff();
renY.GetActiveCamera().ParallelProjectionOff();
renZ.GetActiveCamera().ParallelProjectionOff();
}
renX.ResetCamera();
renY.ResetCamera();
renZ.ResetCamera();
renX.GetActiveCamera().ParallelProjectionOn();
renY.GetActiveCamera().ParallelProjectionOn();
renZ.GetActiveCamera().ParallelProjectionOn();
renX.GetActiveCamera().Azimuth(-90);
renX.GetActiveCamera().Roll(-90);
renY.GetActiveCamera().Elevation(90);
firstime = 1;
int[] dimensions = VoxelData.GetDimensions();
double[] spacing = VoxelData.GetSpacing();
double xmax = (double)dimensions[0] * spacing[0] * 0.5;
double ymax = (double)dimensions[1] * spacing[1] * 0.5;
double zmax = (double)dimensions[2] * spacing[2] * 0.5;
double smax = xmax;
if (ymax > smax)
{
smax = ymax;
}
if (zmax > smax)
{
smax = zmax;
}
renX.GetActiveCamera().SetParallelScale(smax);
renY.GetActiveCamera().SetParallelScale(smax);
renZ.GetActiveCamera().SetParallelScale(smax);
renX.GetActiveCamera().SetClippingRange(0.1, 1000);
renY.GetActiveCamera().SetClippingRange(0.1, 1000);
renZ.GetActiveCamera().SetClippingRange(0.1, 1000);
irenX.Initialize();
irenY.Initialize();
irenZ.Initialize();
irenX.Disable();
irenY.Disable();
irenZ.Disable();
renwX.Render();
renwY.Render();
renwZ.Render();
}
public void render3Dplanes(vtk.vtkImageData VoxelData)
{
renWin.AddRenderer(ren2);
iren.SetRenderWindow(renWin);
vtk.vtkOutlineFilter outline = new vtk.vtkOutlineFilter();
outline.SetInput(VoxelData);
vtk.vtkPolyDataMapper outlineMapper = new vtk.vtkPolyDataMapper();
outlineMapper.SetInputConnection(outline.GetOutputPort());
vtk.vtkActor outlineActor = new vtk.vtkActor();
outlineActor.SetMapper(outlineMapper);
vtk.vtkCellPicker picker = new vtk.vtkCellPicker();
picker.SetTolerance(0.005);
vtk.vtkColorTransferFunction colorTransferFunction = new vtk.vtkColorTransferFunction();
double[] inputRange = VoxelData.GetScalarRange();
colorTransferFunction.AddRGBPoint(inputRange[0], 0.0, 0.0, 0.0);
colorTransferFunction.AddRGBPoint(inputRange[1], 1.0, 1.0, 1.0);
sColorsX.SetLookupTable(colorTransferFunction);
sColorsY.SetLookupTable(colorTransferFunction);
sColorsZ.SetLookupTable(colorTransferFunction);
planeWidgetX.SetColorMap(sColorsX);
planeWidgetX.SetInteractor(iren);
planeWidgetX.DisplayTextOff();
planeWidgetX.SetInput(VoxelData);
planeWidgetX.SetPlaneOrientationToXAxes();
planeWidgetX.SetSliceIndex(slizex);
planeWidgetX.SetPicker(picker);
planeWidgetX.On();
planeWidgetX.InteractionOff();
planeWidgetY.SetColorMap(sColorsY);
planeWidgetY.SetInteractor(iren);
planeWidgetY.DisplayTextOff();
planeWidgetY.SetInput(VoxelData);
planeWidgetY.SetPlaneOrientationToYAxes();
planeWidgetY.SetSliceIndex(slizey);
planeWidgetY.SetPicker(picker);
planeWidgetY.On();
planeWidgetY.InteractionOff();
planeWidgetZ.SetColorMap(sColorsZ);
planeWidgetZ.SetInteractor(iren);
planeWidgetZ.DisplayTextOff();
planeWidgetZ.SetInput(VoxelData);
planeWidgetZ.SetPlaneOrientationToZAxes();
planeWidgetZ.SetSliceIndex(slizez);
planeWidgetZ.SetPicker(picker);
planeWidgetZ.On();
planeWidgetZ.InteractionOff();
ren2.ResetCamera();
renWin.Render();
iren.Initialize(); iren.Enable();
}
// Function: Calculate en render Histogram in window
public void renderHistogram(vtk.vtkImageData VoxelData)
{
// Get size of histogram window
int[] size = renHist.GetSize();
width = size[0]; height = size[1];
//Setup parameters histogram Accumulate Filter
numBins = width / 2;
inputRange = VoxelData.GetScalarRange();
double origin = inputRange[0];
double spacing = 1.0 * (inputRange[1] - origin) / numBins;
// Setup Accumulate filter
vtk.vtkImageAccumulate accumulate = new vtk.vtkImageAccumulate();
accumulate.SetInput(VoxelData); //Get input voxeldata
accumulate.SetComponentExtent(0, numBins - 1, 0, 0, 0, 0);
accumulate.SetComponentOrigin(origin, 0.0, 0.0);
accumulate.SetComponentSpacing(spacing, 1.0, 1.0);
// Make Data object from Accumulated object
data = accumulate.GetOutput();
data.Update();
// Initialize first and last point of the transferfunction.
npoints = 2;
pointsx[0] = 0; pointsy[0] = 0;
pointsx[1] = width - 1; pointsy[1] = height - 1;
pointsc[0] = 1; pointsc[1] = 1;
// Draw the histogram in a canvas and add the transferfunction to it
drawhisto();
drawcurve();
// Create a color table
vtk.vtkColorTransferFunction colorTransferFunction = new vtk.vtkColorTransferFunction();
for (int i = 0; i < 14; i++)
{
colorTransferFunction.AddRGBPoint(i, colortable[i, 0], colortable[i, 1], colortable[i, 2]);
}
// Use the color table to color the histogram window objects
vtk.vtkImageMapToColors sColors = new vtk.vtkImageMapToColors();
sColors.SetInputConnection(canvas.GetOutputPort());
sColors.SetLookupTable(colorTransferFunction);
// Convert the histogram image to a histogram imagemap
vtk.vtkImageMapper histmap = new vtk.vtkImageMapper();
histmap.SetInputConnection(sColors.GetOutputPort());
histmap.RenderToRectangleOn();
histmap.SetColorWindow(256);
histmap.SetColorLevel(127);
// Create the actor needed to draw the histogram image
vtk.vtkActor2D imageactor = new vtk.vtkActor2D();
imageactor.SetMapper(histmap);
imageactor.SetPosition(0, 0); // Fit the histogram to the window
imageactor.SetPosition2(1, 1);
// Add the Histogram Image Render to the window object
ren1.AddActor(imageactor);
ren1.SetViewport(0, 0, 1, 1); // Fit the histogram to the window
renHist.AddRenderer(ren1);
// Add a Window (mouse) interactor to the window
iren.SetRenderWindow(renHist);
// Add mouse events to the window
iren.RemoveObserver((uint)vtk.EventIds.LeftButtonPressEvent);
iren.AddObserver((uint)vtk.EventIds.LeftButtonPressEvent, new vtk.vtkDotNetCallback(LeftButtonPress));
iren.RemoveObserver((uint)vtk.EventIds.LeftButtonReleaseEvent);
iren.AddObserver((uint)vtk.EventIds.LeftButtonReleaseEvent, new vtk.vtkDotNetCallback(LeftButtonRelease));
iren.RemoveObserver((uint)vtk.EventIds.MouseMoveEvent);
iren.AddObserver((uint)vtk.EventIds.MouseMoveEvent, new vtk.vtkDotNetCallback(MouseMove));
iren.RemoveObserver((uint)vtk.EventIds.RightButtonPressEvent);
iren.AddObserver((uint)vtk.EventIds.RightButtonPressEvent, new vtk.vtkDotNetCallback(RightButtonPress));
iren.RemoveObserver((uint)vtk.EventIds.MiddleButtonPressEvent);
iren.AddObserver((uint)vtk.EventIds.MiddleButtonPressEvent, new vtk.vtkDotNetCallback(MiddleButtonPress));
// Set the (display) update rate of the histogram
iren.SetStillUpdateRate(5);
iren.SetDesiredUpdateRate(5);
// Initialize interactor and render histogram
iren.Initialize();
renHist.Render();
// Debug output
info = "Histogram is created \r\n";
}