public BoxUnit(string name) : base(name)
{
UpdateBox();
mapper.SetInputData(polyData);
actor.SetMapper(mapper);
Center.OnPropertyChanged += OnCenterChanged;
}
private void ImplicitBoolean()
{
vtkSphere sphere1 = vtkSphere.New();
sphere1.SetCenter(.9, 0, 0);
vtkSphere sphere2 = vtkSphere.New();
sphere2.SetCenter(-.9, 0, 0);
vtkImplicitBoolean implicitBoolean = vtkImplicitBoolean.New();
implicitBoolean.AddFunction(sphere1);
implicitBoolean.AddFunction(sphere2);
implicitBoolean.SetOperationTypeToUnion();
//implicitBoolean.SetOperationTypeToIntersection();
// Sample the function
vtkSampleFunction sample = vtkSampleFunction.New();
sample.SetSampleDimensions(50, 50, 50);
sample.SetImplicitFunction(implicitBoolean);
double value = 3.0;
double xmin = -value, xmax = value,
ymin = -value, ymax = value,
zmin = -value, zmax = value;
sample.SetModelBounds(xmin, xmax, ymin, ymax, zmin, zmax);
// Create the 0 isosurface
vtkContourFilter contours = vtkContourFilter.New();
#if VTK_MAJOR_VERSION_5
contours.SetInputConnection(sample.GetOutputPort());
#else
contours.SetInputData(sample);
#endif
contours.GenerateValues(1, 1, 1);
// Map the contours to graphical primitives
vtkPolyDataMapper contourMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
contourMapper.SetInputConnection(contours.GetOutputPort());
#else
contourMapper.SetInputData(contours);
#endif
contourMapper.ScalarVisibilityOff();
// Create an actor for the contours
vtkActor contourActor = vtkActor.New();
contourActor.SetMapper(contourMapper);
// 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);
renderer.AddActor(contourActor);
}
private void DrawTriangle()
{
//创建点数据
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(1.0, 0.0, 0.0);
points.InsertNextPoint(0.0, 1.0, 0.0);
points.InsertNextPoint(0.0, 0.0, 0.0);
//每两个坐标之间分别创建一条线
//SetId()的第一个参数是线段的端点ID，第二参数是连接的的点的ID
vtkLine line0 = vtkLine.New();
line0.GetPointIds().SetId(0, 0);
line0.GetPointIds().SetId(1, 1);
vtkLine line1 = vtkLine.New();
line1.GetPointIds().SetId(0, 1);
line1.GetPointIds().SetId(1, 2);
vtkLine line2 = vtkLine.New();
line2.GetPointIds().SetId(0, 2);
line2.GetPointIds().SetId(1, 0);
//创建单元数组，用于存储以上创建的线段
vtkCellArray lines = vtkCellArray.New();
lines.InsertNextCell(line0);
lines.InsertNextCell(line1);
lines.InsertNextCell(line2);
//将点和线加入数据集中，前者定义数据集的几何结构，后者定义拓扑结构
//创建vtkPolyData类型的数据，是一种数据集
vtkPolyData polyData = vtkPolyData.New();
//将创建的点数据加入vtkPolyData数据里
polyData.SetPoints(points); //点数据定义了polydata数据集的几何结构。
polyData.SetLines(lines); //定义拓扑结构
//显示数据
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputData(polyData);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.GetProperty().SetColor(1.0, 0.0, 0.0);
vtkRenderWindow renWin = myRenderWindowControl.RenderWindow;
vtkRenderer renderer = renWin.GetRenderers().GetFirstRenderer();
renderer.SetBackground(1.0, 1.0, 1.0);
renderer.AddActor(actor);
}
private void MarchingCubes()
{
vtkSphereSource sphereSource = vtkSphereSource.New();
sphereSource.SetPhiResolution(20);
sphereSource.SetThetaResolution(20);
sphereSource.Update();
double[] bounds = sphereSource.GetOutput().GetBounds();
for (int i = 0; i < 6; i += 2)
{
double range = bounds[i + 1] - bounds[i];
bounds[i] = bounds[i] - .1 * range;
bounds[i + 1] = bounds[i + 1] + .1 * range;
}
vtkVoxelModeller voxelModeller = vtkVoxelModeller.New();
voxelModeller.SetSampleDimensions(50, 50, 50);
voxelModeller.SetModelBounds(bounds[0], bounds[1], bounds[2], bounds[3], bounds[4], bounds[5]);
voxelModeller.SetScalarTypeToFloat();
voxelModeller.SetMaximumDistance(.1);
#if VTK_MAJOR_VERSION_5
voxelModeller.SetInputConnection(sphereSource.GetOutputPort());
#else
voxelModeller.SetInputData(sphereSource);
#endif
vtkMarchingCubes surface = vtkMarchingCubes.New();
#if VTK_MAJOR_VERSION_5
surface.SetInputConnection(voxelModeller.GetOutputPort());
#else
surface.SetInputData(voxelModeller);
#endif
surface.ComputeNormalsOn();
surface.SetValue(0, 0.5);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
mapper.SetInputConnection(surface.GetOutputPort());
#else
mapper.SetInputData(surface);
#endif
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);
}
private void ExtractEdges()
{
vtkSphereSource sphereSource = vtkSphereSource.New();
sphereSource.Update();
Debug.WriteLine("Sphere" + Environment.NewLine + "----------");
Debug.WriteLine("There are " + sphereSource.GetOutput().GetNumberOfCells() + " cells.");
Debug.WriteLine("There are " + sphereSource.GetOutput().GetNumberOfPoints() + " points.");
vtkExtractEdges extractEdges = vtkExtractEdges.New();
#if VTK_MAJOR_VERSION_5
extractEdges.SetInputConnection(sphereSource.GetOutputPort());
#else
extractEdges.SetInputData(sphereSource);
#endif
extractEdges.Update();
vtkCellArray lines = extractEdges.GetOutput().GetLines();
vtkPoints points = extractEdges.GetOutput().GetPoints();
Debug.WriteLine(Environment.NewLine + "Edges" + Environment.NewLine + "----------");
Debug.WriteLine("There are " + lines.GetNumberOfCells() + " cells.");
Debug.WriteLine("There are " + points.GetNumberOfPoints() + " points.");
// Traverse all of the edges
for (int i = 0; i < extractEdges.GetOutput().GetNumberOfCells(); i++)
{
//Debug.WriteLine("Type: " + extractEdges.GetOutput().GetCell(i).GetClassName() );
vtkLine line = vtkLine.SafeDownCast(extractEdges.GetOutput().GetCell(i));
Debug.WriteLine("Line " + i + " : " + line);
}
// Visualize the edges
// Create a mapper and actor
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
mapper.SetInputConnection(extractEdges.GetOutputPort());
#else
mapper.SetInputData(extractEdges);
#endif
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(1, 1, 1);
// add our actor to the renderer
renderer.AddActor(actor);
}
private void DrawPoint()
{
// Create the geometry of the points (the coordinate)
vtkPoints points = vtkPoints.New();
double[,] p = new double[, ]
{
{ 1.0, 2.0, 3.0 },
{ 3.0, 1.0, 2.0 },
{ 2.0, 3.0, 1.0 },
{ 1.0, 3.0, 3.0 }
};
// Create topology of the points (a vertex per point)
vtkCellArray vertices = vtkCellArray.New();
int nPts = 4;
int[] ids = new int[nPts];
for (int i = 0; i < nPts; i++)
{
ids[i] = (int)points.InsertNextPoint(p[i, 0], p[i, 1], p[i, 2]);
}
int size = Marshal.SizeOf(typeof(int)) * nPts;
IntPtr pIds = Marshal.AllocHGlobal(size);
Marshal.Copy(ids, 0, pIds, nPts);
vertices.InsertNextCell(nPts, pIds);
Marshal.FreeHGlobal(pIds);
// Create a polydata object
vtkPolyData pointPoly = vtkPolyData.New();
// Set the points and vertices we created as the geometry and topology of the polydata
pointPoly.SetPoints(points);
pointPoly.SetVerts(vertices);
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputData(pointPoly);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.GetProperty().SetPointSize(10);
vtkRenderWindow renderWindow = myRenderWindowControl.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
renderer.SetBackground(0.3, 0.2, 0.1);
renderer.AddActor(actor);
}
private void SolidClip()
{
// Create a superquadric
vtkSuperquadricSource superquadricSource = vtkSuperquadricSource.New();
superquadricSource.SetPhiRoundness(3.1);
superquadricSource.SetThetaRoundness(2.2);
// Define a clipping plane
vtkPlane clipPlane = vtkPlane.New();
clipPlane.SetNormal(1.0, -1.0, -1.0);
clipPlane.SetOrigin(0.0, 0.0, 0.0);
// Clip the source with the plane
vtkClipPolyData clipper = vtkClipPolyData.New();
#if VTK_MAJOR_VERSION_5
clipper.SetInputConnection(superquadricSource.GetOutputPort());
#else
clipper.SetInputData(superquadricSource);
#endif
clipper.SetClipFunction(clipPlane);
//Create a mapper and actor
vtkPolyDataMapper superquadricMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
superquadricMapper.SetInputConnection(clipper.GetOutputPort());
#else
superquadricMapper.SetInputData(clipper);
#endif
vtkActor superquadricActor = vtkActor.New();
superquadricActor.SetMapper(superquadricMapper);
// Create a property to be used for the back faces. Turn off all
// shading by specifying 0 weights for specular and diffuse. Max the
// ambient.
vtkProperty backFaces = vtkProperty.New();
backFaces.SetSpecular(0.0);
backFaces.SetDiffuse(0.0);
backFaces.SetAmbient(1.0);
backFaces.SetAmbientColor(1.0000, 0.3882, 0.2784);
superquadricActor.SetBackfaceProperty(backFaces);
// 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(superquadricActor);
}
private void BoundaryEdges()
{
vtkDiskSource diskSource = vtkDiskSource.New();
diskSource.Update();
vtkFeatureEdges featureEdges = vtkFeatureEdges.New();
#if VTK_MAJOR_VERSION_5
featureEdges.SetInputConnection(diskSource.GetOutputPort());
#else
featureEdges.SetInputData(diskSource);
#endif
featureEdges.BoundaryEdgesOn();
featureEdges.FeatureEdgesOff();
featureEdges.ManifoldEdgesOff();
featureEdges.NonManifoldEdgesOff();
featureEdges.Update();
// Visualize
vtkPolyDataMapper edgeMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
edgeMapper.SetInputConnection(featureEdges.GetOutputPort());
#else
edgeMapper.SetInputData(featureEdges);
#endif
vtkActor edgeActor = vtkActor.New();
edgeActor.GetProperty().SetLineWidth(3);
edgeActor.SetMapper(edgeMapper);
vtkPolyDataMapper diskMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
diskMapper.SetInputConnection(diskSource.GetOutputPort());
#else
diskMapper.SetInputData(diskSource);
#endif
vtkActor diskActor = vtkActor.New();
diskActor.SetMapper(diskMapper);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(0.3, 0.6, 0.3);
// add our actor to the renderer
renderer.AddActor(diskActor);
renderer.AddActor(edgeActor);
}
private void IsoContours()
{
vtkImageData data = vtkImageData.New();
CreateData(ref data);
// Create an isosurface
_ContourFilter = vtkContourFilter.New();
#if VTK_MAJOR_VERSION_5
_ContourFilter.SetInput(data);
#else
contourFilter.SetInputData(data);
#endif
_ContourFilter.GenerateValues(1, 10, 10); // (numContours, rangeStart, rangeEnd)
// Map the contours to graphical primitives
vtkPolyDataMapper contourMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
contourMapper.SetInputConnection(_ContourFilter.GetOutputPort());
#else
contourMapper.SetInputData(contourFilter);
#endif
// Create an actor for the contours
vtkActor contourActor = vtkActor.New();
contourActor.SetMapper(contourMapper);
// Create the outline
vtkOutlineFilter outlineFilter = vtkOutlineFilter.New();
vtkPolyDataMapper outlineMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
outlineFilter.SetInput(data);
outlineMapper.SetInputConnection(outlineFilter.GetOutputPort());
#else
outlineFilter.SetInputData(data);
outlineMapper.SetInputData(outlineFilter);
#endif
vtkActor outlineActor = vtkActor.New();
outlineActor.SetMapper(outlineMapper);
// get a reference to the renderwindow of our renderWindowControl1
_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(contourActor);
renderer.AddActor(outlineActor);
}
/// <summary>
/// The main entry method called by the CSharp driver
/// </summary>
/// <param name="argv"></param>
public static void AVmergeFilter(String [] argv)
{
//Prefix Content is: ""
// Create the RenderWindow, Renderer and both Actors[]
//[]
ren1 = vtkRenderer.New();
ren2 = vtkRenderer.New();
renWin = vtkRenderWindow.New();
renWin.SetMultiSamples(0);
renWin.AddRenderer((vtkRenderer)ren1);
renWin.AddRenderer((vtkRenderer)ren2);
iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow((vtkRenderWindow)renWin);
// create pipeline[]
//[]
pl3d = new vtkMultiBlockPLOT3DReader();
pl3d.SetXYZFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/combxyz.bin");
pl3d.SetQFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/combq.bin");
pl3d.SetScalarFunctionNumber((int)110);
pl3d.SetVectorFunctionNumber((int)202);
pl3d.Update();
probeLine = new vtkLineSource();
probeLine.SetPoint1((double)1,(double)1,(double)29);
probeLine.SetPoint2((double)16.5,(double)5,(double)31.7693);
probeLine.SetResolution((int)500);
probe = new vtkProbeFilter();
probe.SetInputConnection((vtkAlgorithmOutput)probeLine.GetOutputPort());
probe.SetSourceData((vtkDataObject)pl3d.GetOutput().GetBlock(0));
probe.Update();
probeTube = new vtkTubeFilter();
probeTube.SetInputData((vtkDataObject)probe.GetPolyDataOutput());
probeTube.SetNumberOfSides((int)5);
probeTube.SetRadius((double).05);
probeMapper = vtkPolyDataMapper.New();
probeMapper.SetInputConnection((vtkAlgorithmOutput)probeTube.GetOutputPort());
probeMapper.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[1]);
probeActor = new vtkActor();
probeActor.SetMapper((vtkMapper)probeMapper);
displayLine = new vtkLineSource();
displayLine.SetPoint1((double)0,(double)0,(double)0);
displayLine.SetPoint2((double)1,(double)0,(double)0);
displayLine.SetResolution((int)probeLine.GetResolution());
displayMerge = new vtkMergeFilter();
displayMerge.SetGeometryConnection(displayLine.GetOutputPort());
displayMerge.SetScalarsData((vtkDataSet)probe.GetPolyDataOutput());
displayMerge.Update();
displayWarp = new vtkWarpScalar();
displayWarp.SetInputData((vtkDataObject)displayMerge.GetPolyDataOutput());
displayWarp.SetNormal((double)0,(double)1,(double)0);
displayWarp.SetScaleFactor((double).000001);
displayWarp.Update();
displayMapper = vtkPolyDataMapper.New();
displayMapper.SetInputData((vtkPolyData)displayWarp.GetPolyDataOutput());
displayMapper.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput().GetBlock(0)).GetScalarRange()[1]);
displayActor = new vtkActor();
displayActor.SetMapper((vtkMapper)displayMapper);
outline = new vtkStructuredGridOutlineFilter();
outline.SetInputData(pl3d.GetOutput().GetBlock(0));
outlineMapper = vtkPolyDataMapper.New();
outlineMapper.SetInputConnection((vtkAlgorithmOutput)outline.GetOutputPort());
outlineActor = new vtkActor();
outlineActor.SetMapper((vtkMapper)outlineMapper);
outlineActor.GetProperty().SetColor((double)0,(double)0,(double)0);
ren1.AddActor((vtkProp)outlineActor);
ren1.AddActor((vtkProp)probeActor);
ren1.SetBackground((double)1,(double)1,(double)1);
ren1.SetViewport((double)0,(double).25,(double)1,(double)1);
ren2.AddActor((vtkProp)displayActor);
ren2.SetBackground((double)0,(double)0,(double)0);
ren2.SetViewport((double)0,(double)0,(double)1,(double).25);
renWin.SetSize((int)300,(int)300);
ren1.ResetCamera();
cam1 = ren1.GetActiveCamera();
cam1.SetClippingRange((double)3.95297,(double)50);
cam1.SetFocalPoint((double)8.88908,(double)0.595038,(double)29.3342);
cam1.SetPosition((double)9.9,(double)-26,(double)41);
cam1.SetViewUp((double)0.060772,(double)-0.319905,(double)0.945498);
ren2.ResetCamera();
cam2 = ren2.GetActiveCamera();
cam2.ParallelProjectionOn();
cam2.SetParallelScale((double).15);
iren.Initialize();
// render the image[]
//[]
// prevent the tk window from showing up then start the event loop[]
//deleteAllVTKObjects();
}
private void WarpVector()
{
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0.0, 0.0, 0.0);
points.InsertNextPoint(1.0, 0.0, 0.0);
points.InsertNextPoint(2.0, 0.0, 0.0);
points.InsertNextPoint(3.0, 0.0, 0.0);
points.InsertNextPoint(4.0, 0.0, 0.0);
vtkCellArray lines = vtkCellArray.New();
vtkLine line = vtkLine.New();
line.GetPointIds().SetId(0, 0);
line.GetPointIds().SetId(1, 1);
lines.InsertNextCell(line);
line.GetPointIds().SetId(0, 1);
line.GetPointIds().SetId(1, 2);
lines.InsertNextCell(line);
line.GetPointIds().SetId(0, 2);
line.GetPointIds().SetId(1, 3);
lines.InsertNextCell(line);
line.GetPointIds().SetId(0, 3);
line.GetPointIds().SetId(1, 4);
lines.InsertNextCell(line);
vtkDoubleArray warpData = vtkDoubleArray.New();
warpData.SetNumberOfComponents(3);
warpData.SetName("warpData");
double[] warp = new double[] { 0.0, 0.0, 0.0 };
warp[1] = 0.0;
warpData.InsertNextTuple3(warp[0], warp[1], warp[2]);
warp[1] = 0.1;
warpData.InsertNextTuple3(warp[0], warp[1], warp[2]);
warp[1] = 0.3;
warpData.InsertNextTuple3(warp[0], warp[1], warp[2]);
warp[1] = 0.0;
warpData.InsertNextTuple3(warp[0], warp[1], warp[2]);
warp[1] = 0.1;
warpData.InsertNextTuple3(warp[0], warp[1], warp[2]);
vtkPolyData polydata = vtkPolyData.New();
polydata.SetPoints(points);
polydata.SetLines(lines);
polydata.GetPointData().AddArray(warpData);
polydata.GetPointData().SetActiveVectors(warpData.GetName());
//WarpVector will use the array marked as active vector in polydata
//it has to be a 3 component array
//with the same number of tuples as points in polydata
vtkWarpVector warpVector = vtkWarpVector.New();
#if VTK_MAJOR_VERSION_5
warpVector.SetInput(polydata);
#else
warpVector.SetInputData(polydata);
#endif
warpVector.Update();
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
mapper.SetInput(warpVector.GetPolyDataOutput());
#else
mapper.SetInputData(warpVector.GetPolyDataOutput());
#endif
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, .6, .3);
renderer.AddActor(actor);
}
private void MarchingSquares()
{
// 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();
vtkVolume16Reader v16 = vtkVolume16Reader.New();
v16.SetDataDimensions(64, 64);
v16.GetOutput().SetOrigin(0.0, 0.0, 0.0);
v16.SetDataByteOrderToLittleEndian();
v16.SetFilePrefix(System.IO.Path.Combine(root, @"Data\headsq\quarter"));
v16.SetImageRange(1, 93);
v16.SetDataSpacing(3.2, 3.2, 1.5);
v16.Update();
vtkMergePoints myLocator = vtkMergePoints.New();
vtkMarchingSquares isoXY = vtkMarchingSquares.New();
#if VTK_MAJOR_VERSION_5
isoXY.SetInputConnection(v16.GetOutputPort());
#else
isoXY.SetInputData(v16);
#endif
isoXY.GenerateValues(2, 600, 1200);
isoXY.SetImageRange(0, 32, 32, 63, 45, 45);
isoXY.SetLocator(myLocator);
vtkPolyDataMapper isoXYMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
isoXYMapper.SetInputConnection(isoXY.GetOutputPort());
#else
isoXYMapper.SetInputData(isoXY);
#endif
isoXYMapper.SetScalarRange(600, 1200);
vtkActor isoXYActor = vtkActor.New();
isoXYActor.SetMapper(isoXYMapper);
vtkMarchingSquares isoYZ = vtkMarchingSquares.New();
#if VTK_MAJOR_VERSION_5
isoYZ.SetInputConnection(v16.GetOutputPort());
#else
isoYZ.SetInputData(v16);
#endif
isoYZ.GenerateValues(2, 600, 1200);
isoYZ.SetImageRange(32, 32, 32, 63, 46, 92);
vtkPolyDataMapper isoYZMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
isoYZMapper.SetInputConnection(isoYZ.GetOutputPort());
#else
isoYZMapper.SetInputData(isoYZ);
#endif
isoYZMapper.SetScalarRange(600, 1200);
vtkActor isoYZActor = vtkActor.New();
isoYZActor.SetMapper(isoYZMapper);
vtkMarchingSquares isoXZ = vtkMarchingSquares.New();
#if VTK_MAJOR_VERSION_5
isoXZ.SetInputConnection(v16.GetOutputPort());
#else
isoXZ.SetInputData(v16);
#endif
isoXZ.GenerateValues(2, 600, 1200);
isoXZ.SetImageRange(0, 32, 32, 32, 0, 46);
vtkPolyDataMapper isoXZMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
isoXZMapper.SetInputConnection(isoXZ.GetOutputPort());
#else
isoXZMapper.SetInputData(isoXZ);
#endif
isoXZMapper.SetScalarRange(600, 1200);
vtkActor isoXZActor = vtkActor.New();
isoXZActor.SetMapper(isoXZMapper);
vtkOutlineFilter outline = vtkOutlineFilter.New();
#if VTK_MAJOR_VERSION_5
outline.SetInputConnection(v16.GetOutputPort());
#else
outline.SetInputData(v16);
#endif
vtkPolyDataMapper outlineMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
outlineMapper.SetInputConnection(outline.GetOutputPort());
#else
outlineMapper.SetInputData(outline);
#endif
vtkActor outlineActor = vtkActor.New();
outlineActor.SetMapper(outlineMapper);
outlineActor.VisibilityOff();
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(1.0, 1.0, 1.0);
//Add the actors to the renderer, set the background and size
renderer.AddActor(outlineActor);
renderer.AddActor(isoXYActor);
renderer.AddActor(isoYZActor);
renderer.AddActor(isoXZActor);
renderer.GetActiveCamera().SetPosition(324.368, 284.266, -19.3293);
renderer.GetActiveCamera().SetFocalPoint(73.5683, 120.903, 70.7309);
renderer.GetActiveCamera().SetViewAngle(30);
renderer.GetActiveCamera().SetViewUp(-0.304692, -0.0563843, -0.950781);
}
private void QuadricDecimation()
{
vtkSphereSource sphereSource = vtkSphereSource.New();
sphereSource.Update();
vtkPolyData input = vtkPolyData.New();
input.ShallowCopy(sphereSource.GetOutput());
Debug.WriteLine("Before decimation" + Environment.NewLine + "------------");
Debug.WriteLine("There are " + input.GetNumberOfPoints() + " points.");
Debug.WriteLine("There are " + input.GetNumberOfPolys() + " polygons.");
vtkQuadricDecimation decimate = vtkQuadricDecimation.New();
#if VTK_MAJOR_VERSION_5
decimate.SetInputConnection(input.GetProducerPort());
#else
decimate.SetInputData(input);
#endif
decimate.Update();
vtkPolyData decimated = vtkPolyData.New();
decimated.ShallowCopy(decimate.GetOutput());
Debug.WriteLine("After decimation" + Environment.NewLine + "------------");
Debug.WriteLine("There are " + decimated.GetNumberOfPoints() + " points.");
Debug.WriteLine("There are " + decimated.GetNumberOfPolys() + " polygons.");
vtkPolyDataMapper inputMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
inputMapper.SetInputConnection(input.GetProducerPort());
#else
inputMapper.SetInputData(input);
#endif
vtkActor inputActor = vtkActor.New();
inputActor.SetMapper(inputMapper);
vtkPolyDataMapper decimatedMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
decimatedMapper.SetInputConnection(decimated.GetProducerPort());
#else
decimatedMapper.SetInputData(decimated);
#endif
vtkActor decimatedActor = vtkActor.New();
decimatedActor.SetMapper(decimatedMapper);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
this.Size = new System.Drawing.Size(612, 352);
// Define viewport ranges
// (xmin, ymin, xmax, ymax)
double[] leftViewport = new double[] { 0.0, 0.0, 0.5, 1.0 };
double[] rightViewport = new double[] { 0.5, 0.0, 1.0, 1.0 };
// Setup both renderers
vtkRenderer leftRenderer = vtkRenderer.New();
renderWindow.AddRenderer(leftRenderer);
leftRenderer.SetViewport(leftViewport[0], leftViewport[1], leftViewport[2], leftViewport[3]);
leftRenderer.SetBackground(.6, .5, .4);
vtkRenderer rightRenderer = vtkRenderer.New();
renderWindow.AddRenderer(rightRenderer);
rightRenderer.SetViewport(rightViewport[0], rightViewport[1], rightViewport[2], rightViewport[3]);
rightRenderer.SetBackground(.4, .5, .6);
// Add the sphere to the left and the cube to the right
leftRenderer.AddActor(inputActor);
rightRenderer.AddActor(decimatedActor);
leftRenderer.ResetCamera();
rightRenderer.ResetCamera();
renderWindow.Render();
}
private void ElevationFilter()
{
// Created a grid of points (heigh/terrian map)
vtkPoints points = vtkPoints.New();
uint GridSize = 10;
for (uint x = 0; x < GridSize; x++)
{
for (uint y = 0; y < GridSize; y++)
{
points.InsertNextPoint(x, y, (x + y) / (y + 1));
}
}
double[] bounds = points.GetBounds();
// Add the grid points to a polydata object
vtkPolyData inputPolyData = vtkPolyData.New();
inputPolyData.SetPoints(points);
// Triangulate the grid points
vtkDelaunay2D delaunay = vtkDelaunay2D.New();
#if VTK_MAJOR_VERSION_5
delaunay.SetInput(inputPolyData);
#else
delaunay.SetInputData(inputPolyData);
#endif
delaunay.Update();
vtkElevationFilter elevationFilter = vtkElevationFilter.New();
elevationFilter.SetInputConnection(delaunay.GetOutputPort());
elevationFilter.SetLowPoint(0.0, 0.0, bounds[4]);
elevationFilter.SetHighPoint(0.0, 0.0, bounds[5]);
elevationFilter.Update();
vtkPolyData output = vtkPolyData.New();
output.ShallowCopy(vtkPolyData.SafeDownCast(elevationFilter.GetOutput()));
vtkFloatArray elevation =
vtkFloatArray.SafeDownCast(output.GetPointData().GetArray("Elevation"));
// Create the color map
vtkLookupTable colorLookupTable = vtkLookupTable.New();
colorLookupTable.SetTableRange(bounds[4], bounds[5]);
colorLookupTable.Build();
// Generate the colors for each point based on the color map
vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
colors.SetNumberOfComponents(3);
colors.SetName("Colors");
for (int i = 0; i < output.GetNumberOfPoints(); i++)
{
double val = elevation.GetValue(i);
Debug.WriteLine("val: " + val);
double[] dcolor = colorLookupTable.GetColor(val);
//Debug.WriteLine("dcolor: "
// + dcolor[0] + " "
// + dcolor[1] + " "
// + dcolor[2]);
byte[] color = new byte[3];
for (int j = 0; j < 3; j++)
{
color[j] = (byte)(255 * dcolor[j]);
}
//Debug.WriteLine("color: "
// + color[0] + " "
// + color[1] + " "
// + color[2]);
colors.InsertNextTuple3(color[0], color[1], color[2]);
}
output.GetPointData().AddArray(colors);
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
mapper.SetInputConnection(output.GetProducerPort());
#else
mapper.SetInputData(output);
#endif
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(0.2, 0.3, 0.4);
// add our actor to the renderer
renderer.AddActor(actor);
}
private void Triangulate()
{
vtkRegularPolygonSource polygonSource = vtkRegularPolygonSource.New();
polygonSource.Update();
vtkTriangleFilter triangleFilter = vtkTriangleFilter.New();
#if VTK_MAJOR_VERSION_5
triangleFilter.SetInputConnection(polygonSource.GetOutputPort());
#else
triangleFilter.SetInputData(polygonSource);
#endif
triangleFilter.Update();
vtkPolyDataMapper inputMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
inputMapper.SetInputConnection(polygonSource.GetOutputPort());
#else
inputMapper.SetInputData(polygonSource);
#endif
vtkActor inputActor = vtkActor.New();
inputActor.SetMapper(inputMapper);
inputActor.GetProperty().SetRepresentationToWireframe();
vtkPolyDataMapper triangleMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
triangleMapper.SetInputConnection(triangleFilter.GetOutputPort());
#else
triangleMapper.SetInputData(triangleFilter);
#endif
vtkActor triangleActor = vtkActor.New();
triangleActor.SetMapper(triangleMapper);
triangleActor.GetProperty().SetRepresentationToWireframe();
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
this.Size = new System.Drawing.Size(612, 352);
// Define viewport ranges
// (xmin, ymin, xmax, ymax)
double[] leftViewport = new double[] { 0.0, 0.0, 0.5, 1.0 };
double[] rightViewport = new double[] { 0.5, 0.0, 1.0, 1.0 };
// Setup both renderers
vtkRenderer leftRenderer = vtkRenderer.New();
renderWindow.AddRenderer(leftRenderer);
leftRenderer.SetViewport(leftViewport[0], leftViewport[1], leftViewport[2], leftViewport[3]);
leftRenderer.SetBackground(.6, .5, .4);
vtkRenderer rightRenderer = vtkRenderer.New();
renderWindow.AddRenderer(rightRenderer);
rightRenderer.SetViewport(rightViewport[0], rightViewport[1], rightViewport[2], rightViewport[3]);
rightRenderer.SetBackground(.4, .5, .6);
// Add the sphere to the left and the cube to the right
leftRenderer.AddActor(inputActor);
rightRenderer.AddActor(triangleActor);
leftRenderer.ResetCamera();
rightRenderer.ResetCamera();
renderWindow.Render();
}
private void CapClip(string filePath)
{
// PolyData to process
vtkPolyData polyData;
if (filePath != null)
{
vtkXMLPolyDataReader reader = vtkXMLPolyDataReader.New();
reader.SetFileName(filePath);
reader.Update();
polyData = reader.GetOutput();
}
else
{
// Create a sphere
vtkSphereSource sphereSource = vtkSphereSource.New();
sphereSource.SetThetaResolution(20);
sphereSource.SetPhiResolution(11);
vtkPlane plane = vtkPlane.New();
plane.SetOrigin(0, 0, 0);
plane.SetNormal(1.0, -1.0, -1.0);
vtkClipPolyData clipper = vtkClipPolyData.New();
clipper.SetInputConnection(sphereSource.GetOutputPort());
clipper.SetClipFunction(plane);
clipper.SetValue(0);
clipper.Update();
polyData = clipper.GetOutput();
}
vtkDataSetMapper clipMapper = vtkDataSetMapper.New();
#if VTK_MAJOR_VERSION_5
clipMapper.SetInput(polyData);
#else
clipMapper.SetInputData(polyData);
#endif
vtkActor clipActor = vtkActor.New();
clipActor.SetMapper(clipMapper);
clipActor.GetProperty().SetColor(1.0000, 0.3882, 0.2784);
clipActor.GetProperty().SetInterpolationToFlat();
// Now extract feature edges
vtkFeatureEdges boundaryEdges = vtkFeatureEdges.New();
#if VTK_MAJOR_VERSION_5
boundaryEdges.SetInput(polyData);
#else
boundaryEdges.SetInputData(polyData);
#endif
boundaryEdges.BoundaryEdgesOn();
boundaryEdges.FeatureEdgesOff();
boundaryEdges.NonManifoldEdgesOff();
boundaryEdges.ManifoldEdgesOff();
vtkStripper boundaryStrips = vtkStripper.New();
boundaryStrips.SetInputConnection(boundaryEdges.GetOutputPort());
boundaryStrips.Update();
// Change the polylines into polygons
vtkPolyData boundaryPoly = vtkPolyData.New();
boundaryPoly.SetPoints(boundaryStrips.GetOutput().GetPoints());
boundaryPoly.SetPolys(boundaryStrips.GetOutput().GetLines());
vtkPolyDataMapper boundaryMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
boundaryMapper.SetInput(boundaryPoly);
#else
boundaryMapper.SetInputData(boundaryPoly);
#endif
vtkActor boundaryActor = vtkActor.New();
boundaryActor.SetMapper(boundaryMapper);
boundaryActor.GetProperty().SetColor(0.8900, 0.8100, 0.3400);
// 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(clipActor);
renderer.AddActor(boundaryActor);
// Generate an interesting view
//
renderer.ResetCamera();
renderer.GetActiveCamera().Azimuth(30);
renderer.GetActiveCamera().Elevation(30);
renderer.GetActiveCamera().Dolly(1.2);
renderer.ResetCameraClippingRange();
}
private void SampleFunction()
{
vtkSphere sphere = vtkSphere.New();
// Sample the function
vtkSampleFunction sample = vtkSampleFunction.New();
sample.SetSampleDimensions(50, 50, 50);
sample.SetImplicitFunction(sphere);
double value = 2.0;
double xmin = -value, xmax = value, ymin = -value, ymax = value, zmin = -value, zmax = value;
sample.SetModelBounds(xmin, xmax, ymin, ymax, zmin, zmax);
// Create the 0 isosurface
vtkContourFilter contours = vtkContourFilter.New();
#if VTK_MAJOR_VERSION_5
contours.SetInputConnection(sample.GetOutputPort());
#else
contours.SetInputData(sample);
#endif
contours.GenerateValues(1, 1, 1);
// Map the contours to graphical primitives
vtkPolyDataMapper contourMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
contourMapper.SetInputConnection(contours.GetOutputPort());
#else
contourMapper.SetInputData(contours);
#endif
contourMapper.SetScalarRange(0.0, 1.2);
// Create an actor for the contours
vtkActor contourActor = vtkActor.New();
contourActor.SetMapper(contourMapper);
// -- create a box around the function to indicate the sampling volume --
// Create outline
vtkOutlineFilter outline = vtkOutlineFilter.New();
#if VTK_MAJOR_VERSION_5
outline.SetInputConnection(sample.GetOutputPort());
#else
outline.SetInputData(sample);
#endif
// Map it to graphics primitives
vtkPolyDataMapper outlineMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
outlineMapper.SetInputConnection(outline.GetOutputPort());
#else
outlineMapper.SetInputData(outline);
#endif
// Create an actor for it
vtkActor outlineActor = vtkActor.New();
outlineActor.SetMapper(outlineMapper);
outlineActor.GetProperty().SetColor(0, 0, 0);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(1.0, 1.0, 1.0);
// add our actor to the renderer
renderer.AddActor(contourActor);
renderer.AddActor(outlineActor);
}
private void WindowedSincPolyDataFilter()
{
vtkSphereSource sphereSource = vtkSphereSource.New();
sphereSource.Update();
vtkWindowedSincPolyDataFilter smoother = vtkWindowedSincPolyDataFilter.New();
smoother.SetInputConnection(sphereSource.GetOutputPort());
smoother.SetNumberOfIterations(15);
smoother.BoundarySmoothingOff();
smoother.FeatureEdgeSmoothingOff();
smoother.SetFeatureAngle(120.0);
smoother.SetPassBand(.001);
smoother.NonManifoldSmoothingOn();
smoother.NormalizeCoordinatesOn();
smoother.Update();
vtkPolyDataMapper smoothedMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
smoothedMapper.SetInputConnection(smoother.GetOutputPort());
#else
smoothedMapper.SetInputData(smoother);
#endif
vtkActor smoothedActor = vtkActor.New();
smoothedActor.SetMapper(smoothedMapper);
vtkPolyDataMapper inputMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
inputMapper.SetInputConnection(sphereSource.GetOutputPort());
#else
inputMapper.SetInputData(sphereSource);
#endif
vtkActor inputActor = vtkActor.New();
inputActor.SetMapper(inputMapper);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
this.Size = new System.Drawing.Size(612, 352);
// Define viewport ranges
// (xmin, ymin, xmax, ymax)
double[] leftViewport = new double[] { 0.0, 0.0, 0.5, 1.0 };
double[] rightViewport = new double[] { 0.5, 0.0, 1.0, 1.0 };
// Setup both renderers
vtkRenderer leftRenderer = vtkRenderer.New();
renderWindow.AddRenderer(leftRenderer);
leftRenderer.SetViewport(leftViewport[0], leftViewport[1], leftViewport[2], leftViewport[3]);
leftRenderer.SetBackground(.6, .5, .4);
vtkRenderer rightRenderer = vtkRenderer.New();
renderWindow.AddRenderer(rightRenderer);
rightRenderer.SetViewport(rightViewport[0], rightViewport[1], rightViewport[2], rightViewport[3]);
rightRenderer.SetBackground(.4, .5, .6);
// Add the sphere to the left and the cube to the right
leftRenderer.AddActor(inputActor);
rightRenderer.AddActor(smoothedActor);
leftRenderer.ResetCamera();
rightRenderer.ResetCamera();
renderWindow.Render();
}
private void ColoredElevationMap()
{
// Create a grid of points (height/terrian map)
vtkPoints points = vtkPoints.New();
uint GridSize = 20;
double xx, yy, zz;
for (uint x = 0; x < GridSize; x++)
{
for (uint y = 0; y < GridSize; y++)
{
xx = x + vtkMath.Random(-.2, .2);
yy = y + vtkMath.Random(-.2, .2);
zz = vtkMath.Random(-.5, .5);
points.InsertNextPoint(xx, yy, zz);
}
}
// Add the grid points to a polydata object
vtkPolyData inputPolyData = vtkPolyData.New();
inputPolyData.SetPoints(points);
// Triangulate the grid points
vtkDelaunay2D delaunay = vtkDelaunay2D.New();
#if VTK_MAJOR_VERSION_5
delaunay.SetInput(inputPolyData);
#else
delaunay.SetInputData(inputPolyData);
#endif
delaunay.Update();
vtkPolyData outputPolyData = delaunay.GetOutput();
double[] bounds = outputPolyData.GetBounds();
// Find min and max z
double minz = bounds[4];
double maxz = bounds[5];
Debug.WriteLine("minz: " + minz);
Debug.WriteLine("maxz: " + maxz);
// Create the color map
vtkLookupTable colorLookupTable = vtkLookupTable.New();
colorLookupTable.SetTableRange(minz, maxz);
colorLookupTable.Build();
// Generate the colors for each point based on the color map
vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
colors.SetNumberOfComponents(3);
colors.SetName("Colors");
Debug.WriteLine("There are " + outputPolyData.GetNumberOfPoints()
+ " points.");
#if UNSAFE // fastest way to fill color array
colors.SetNumberOfTuples(outputPolyData.GetNumberOfPoints());
unsafe {
byte *pColor = (byte *)colors.GetPointer(0).ToPointer();
for (int i = 0; i < outputPolyData.GetNumberOfPoints(); i++)
{
double[] p = outputPolyData.GetPoint(i);
double[] dcolor = colorLookupTable.GetColor(p[2]);
Debug.WriteLine("dcolor: "
+ dcolor[0] + " "
+ dcolor[1] + " "
+ dcolor[2]);
byte[] color = new byte[3];
for (uint j = 0; j < 3; j++)
{
color[j] = (byte)(255 * dcolor[j]);
}
Debug.WriteLine("color: "
+ color[0] + " "
+ color[1] + " "
+ color[2]);
*(pColor + 3 * i) = color[0];
*(pColor + 3 * i + 1) = color[1];
*(pColor + 3 * i + 2) = color[2];
}
}
#else
for (int i = 0; i < outputPolyData.GetNumberOfPoints(); i++)
{
double[] p = outputPolyData.GetPoint(i);
double[] dcolor = colorLookupTable.GetColor(p[2]);
Debug.WriteLine("dcolor: "
+ dcolor[0] + " "
+ dcolor[1] + " "
+ dcolor[2]);
byte[] color = new byte[3];
for (uint j = 0; j < 3; j++)
{
color[j] = (byte)(255 * dcolor[j]);
}
Debug.WriteLine("color: "
+ color[0] + " "
+ color[1] + " "
+ color[2]);
colors.InsertNextTuple3(color[0], color[1], color[2]);
//IntPtr pColor = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(byte)) * 3);
//Marshal.Copy(color, 0, pColor, 3);
//colors.InsertNextTupleValue(pColor);
//Marshal.FreeHGlobal(pColor);
}
#endif
outputPolyData.GetPointData().SetScalars(colors);
// Create a mapper and actor
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
mapper.SetInputConnection(outputPolyData.GetProducerPort());
#else
mapper.SetInputData(outputPolyData);
#endif
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(0.2, 0.3, 0.4);
// add our actor to the renderer
renderer.AddActor(actor);
}
private void ContoursFromPolyData(string filePath)
{
vtkPolyData inputPolyData;
if (filePath != null)
{
vtkXMLPolyDataReader reader = vtkXMLPolyDataReader.New();
reader.SetFileName(filePath);
reader.Update();
inputPolyData = reader.GetOutput();
}
else
{
vtkSphereSource sphereSource = vtkSphereSource.New();
sphereSource.SetThetaResolution(30);
sphereSource.SetPhiResolution(15);
sphereSource.Update();
inputPolyData = sphereSource.GetOutput();
}
vtkPolyDataMapper inputMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
inputMapper.SetInput(inputPolyData);
#else
inputMapper.SetInputData(inputPolyData);
#endif
// Create a plane to cut
vtkPlane plane = vtkPlane.New();
double[] center = inputPolyData.GetCenter();
double[] bounds = inputPolyData.GetBounds();
plane.SetOrigin(center[0], center[1], center[2]);
plane.SetNormal(1, 1, 1);
float[] centerf = new float[] { (float)center[0], (float)center[1], (float)center[2] };
float[] minBoundf = new float[] { (float)bounds[0], (float)bounds[2], (float)bounds[4] };
float[] maxBoundf = new float[] { (float)bounds[1], (float)bounds[3], (float)bounds[5] };
IntPtr pCenter = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(float)) * 3);
IntPtr pMinBound = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(float)) * 3);
IntPtr pMaxBound = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(float)) * 3);
Marshal.Copy(centerf, 0, pCenter, 3);
Marshal.Copy(minBoundf, 0, pMinBound, 3);
Marshal.Copy(maxBoundf, 0, pMaxBound, 3);
// vtkMath.Distance2BetweenPoints accepts floats only
double distanceMin = Math.Sqrt(vtkMath.Distance2BetweenPoints(pMinBound, pCenter));
double distanceMax = Math.Sqrt(vtkMath.Distance2BetweenPoints(pMaxBound, pCenter));
Marshal.FreeHGlobal(pCenter);
Marshal.FreeHGlobal(pMinBound);
Marshal.FreeHGlobal(pMaxBound);
// Create cutter
vtkCutter cutter = vtkCutter.New();
cutter.SetCutFunction(plane);
#if VTK_MAJOR_VERSION_5
cutter.SetInput(inputPolyData);
#else
cutter.SetInputData(inputPolyData);
#endif
cutter.GenerateValues(20, -distanceMin, distanceMax);
vtkPolyDataMapper cutterMapper = vtkPolyDataMapper.New();
cutterMapper.SetInputConnection(cutter.GetOutputPort());
cutterMapper.ScalarVisibilityOff();
// Create plane actor
vtkActor planeActor = vtkActor.New();
planeActor.GetProperty().SetColor(1.0, 0.0, 0.0);
planeActor.GetProperty().SetLineWidth(3);
planeActor.SetMapper(cutterMapper);
// Create input actor
vtkActor inputActor = vtkActor.New();
inputActor.GetProperty().SetColor(1.0, 0.8941, 0.7686); // bisque
inputActor.SetMapper(inputMapper);
// 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);
renderer.AddActor(inputActor);
renderer.AddActor(planeActor); //display the contour lines
}
private void FillHoles(string filePath)
{
vtkPolyData input = vtkPolyData.New();
if (filePath == null)
{
GenerateData(ref input);
}
else
{
vtkXMLPolyDataReader reader = vtkXMLPolyDataReader.New();
reader.SetFileName(filePath);
reader.Update();
input.ShallowCopy(reader.GetOutput());
}
vtkFillHolesFilter fillHolesFilter = vtkFillHolesFilter.New();
#if VTK_MAJOR_VERSION_5
fillHolesFilter.SetInputConnection(input.GetProducerPort());
#else
fillHolesFilter.SetInputData(input);
#endif
fillHolesFilter.Update();
// Create a mapper and actor
vtkPolyDataMapper originalMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
originalMapper.SetInputConnection(input.GetProducerPort());
#else
originalMapper.SetInputData(input);
#endif
vtkActor originalActor = vtkActor.New();
originalActor.SetMapper(originalMapper);
vtkPolyDataMapper filledMapper = vtkPolyDataMapper.New();
filledMapper.SetInputConnection(fillHolesFilter.GetOutputPort());
vtkActor filledActor = vtkActor.New();
filledActor.SetMapper(filledMapper);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
this.Size = new System.Drawing.Size(612, 352);
// Define viewport ranges
// (xmin, ymin, xmax, ymax)
double[] leftViewport = new double[] { 0.0, 0.0, 0.5, 1.0 };
double[] rightViewport = new double[] { 0.5, 0.0, 1.0, 1.0 };
// Setup both renderers
vtkRenderer leftRenderer = vtkRenderer.New();
renderWindow.AddRenderer(leftRenderer);
leftRenderer.SetViewport(leftViewport[0], leftViewport[1], leftViewport[2], leftViewport[3]);
leftRenderer.SetBackground(.6, .5, .4);
vtkRenderer rightRenderer = vtkRenderer.New();
renderWindow.AddRenderer(rightRenderer);
rightRenderer.SetViewport(rightViewport[0], rightViewport[1], rightViewport[2], rightViewport[3]);
rightRenderer.SetBackground(.4, .5, .6);
// Add the sphere to the left and the cube to the right
leftRenderer.AddActor(originalActor);
rightRenderer.AddActor(filledActor);
leftRenderer.ResetCamera();
rightRenderer.ResetCamera();
renderWindow.Render();
}
