// Draw poly data: earth demo
private void earthToolStripMenuItem_Click(object sender, EventArgs e)
{
vtkEarthSource source = new vtkEarthSource();
vtkPolyDataMapper map = vtkPolyDataMapper.New();
vtkPolyData poly = new vtkPolyData();
vtkActor actor = new vtkActor();
vtkPoints pts = new vtkPoints();
vtkCellArray strip = new vtkCellArray();
// 定义三个点
pts.InsertNextPoint(0, 0, 0);
pts.InsertNextPoint(1, 0, 0);
pts.InsertNextPoint(1, 1, 0);
// 定义一个单元
strip.InsertCellPoint(3);
strip.InsertNextCell(0);
strip.InsertNextCell(1);
strip.InsertNextCell(2);
// 定义vtkPolyData为点集
poly.SetPoints(pts);
poly.SetVerts(strip);// 用SetVerts函数定义点, Verts即Vertices(顶点,Vertex的复数)
// 定义mapper
map.SetInput(poly);
map.SetInput(source.GetOutput());
actor.SetMapper(map);
m_Renderer.SetBackground(.5, .5, 1);
imgPropList.Add(actor);
m_Renderer.AddActor(actor);
//Rerender the screen
m_RenderWindow.Render();
m_Renderer.Render();
}
public void ExtractFeatures()
{
Filter = vtkDataSetSurfaceFilter.New();
Filter.SetInput(Grid);
Filter.Update();
Faces = Filter.GetOutput();
vtkFeatureEdges FeatureEdges = vtkFeatureEdges.New();
FeatureEdges.SetInput(Filter.GetOutput());
FeatureEdges.Update();
FeatureEdges.BoundaryEdgesOn();
FeatureEdges.FeatureEdgesOn();
FeatureEdges.ManifoldEdgesOn();
FeatureEdges.NonManifoldEdgesOn();
// Change Edge color
FeatureEdges.SetColoring(0);
// Update
FeatureEdges.Update();
vtkPolyDataMapper EdgeMapper = vtkPolyDataMapper.New();
EdgeMapper.SetInput(FeatureEdges.GetOutput());
EdgeMapper.ScalarVisibilityOff();
Edges.SetMapper(EdgeMapper);
Edges.GetProperty().SetEdgeColor(0, 0, 0);
Edges.GetProperty().SetColor(0.0, 0.0, 0.0);
Edges.GetProperty().SetLineWidth((float)1.0); // Set default edge thickness
Edges.SetVisibility(0);
}
private void renderScene()
{
vtkCamera camera;
if (toShow != null)
{
this.geometryPoints();
vtkPolyData polydata = vtkPolyData.New();
polydata.SetPoints(pontosVTK);
vtkDelaunay2D del = vtkDelaunay2D.New();
del.AddInput(polydata);
vtkPolyDataMapper mapMesh = vtkPolyDataMapper.New();
mapMesh.SetInput(del.GetOutput());
vtkActor meshActor = vtkActor.New();
meshActor.SetMapper(mapMesh);
meshActor.GetProperty().SetColor(0.5d, 0.5d, 0d);
windowVTK.AddRenderer(rendererVTK);
rendererVTK.AddActor(meshActor);
windowVTK.Render();
rendererVTK.Render();
meshActor.Render(rendererVTK, mapMesh);
camera = rendererVTK.GetActiveCamera();
camera.Zoom(1.0d);
rendererVTK.ResetCamera();
}
}
public void ReplacePolyData(vtkPolyData polyData)
{
this.PolyData = polyData;
_polyDataMapper.SetInput(polyData);
_polyDataMapper.Modified();
}
public IVtkPreprocess SetMapper()
{
polyDataMapper = vtkPolyDataMapper.New();
polyDataMapper.SetInput(reader.GetOutput());
polyDataMapper.Update();
return(this);
}
static private void init()
{
vtkSTLReader rdr = vtkSTLReader.New();
rdr.SetFileName("BODY-EXTRUDEUR-WADE.stl");
// Créer une géométrie sphérique
/*vtkSphereSource sphere = vtkSphereSource.New();
* sphere.SetRadius(1.0);
* sphere.SetThetaResolution(18);
* sphere.SetPhiResolution(18);*/
// Transforme la géométrie en primitives graphiques (OpenGL dans notre cas)
vtkPolyDataMapper map = vtkPolyDataMapper.New();
map.SetInput(rdr.GetOutput());
// L'acteur représente l'entitée géométrique.
// Il permet de définir sa position, son orientation, sa couleur, etc.
vtkActor aSphere = new vtkActor();
aSphere.SetMapper(map);
aSphere.GetProperty().SetColor(0.8, 0.8, 0.8); // color blue
// Nous créons un renderer qui va faire le rendu de notre entitée.
vtkRenderer ren1 = vtkRenderer.New();
ren1.AddActor(aSphere);
ren1.SetBackground(1, 1, 1); // background color white
// Nous créons une fenêtre de rendu
vtkRenderWindow renWin = vtkRenderWindow.New();
renWin.AddRenderer(ren1);
renWin.SetSize(300, 300);
// Nous créons un interactor qui permet de bouger la caméra.
vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow(renWin);
// Nous lançons le rendu et l'interaction
renWin.Render();
iren.Start();
////// CLEANUP ///////
rdr.Dispose();
map.Dispose();
aSphere.Dispose();
ren1.Dispose();
renWin.Dispose();
iren.Dispose();
}
public XmlPolyDataPackage(string vtpFile, vtkRenderer renderer)
{
//Console.WriteLine(string.Format("VTP文件 = {0}", vtpFile));
if (File.Exists(vtpFile))
{
if (vtpFile.EndsWith(".vtp"))
{
//Console.WriteLine(string.Format("VTP文件 = {0}已存在", vtpFile));
reader = vtkXMLPolyDataReader.New();
reader.SetFileName(vtpFile);
reader.Update();
PolyData = reader.GetOutput();
}
else if (vtpFile.EndsWith(".stl"))
{
PolyData = VTKUtil.ReadSTLPolyData(vtpFile);
}
vtkCamera camera = vtkCamera.New();
var sortPolydata = new vtkDepthSortPolyData();
sortPolydata.SetInput(PolyData);
sortPolydata.SetCamera(camera);
sortPolydata.SetDirectionToFrontToBack();
sortPolydata.SetVector(1, 1, 1);
sortPolydata.SetSortScalars(1);
sortPolydata.Update();
_polyDataMapper = vtkPolyDataMapper.New();
_polyDataMapper.ScalarVisibilityOff();
_polyDataMapper.SetInput(sortPolydata.GetOutput());
_polyDataMapper.Update();
actor = vtkActor.New();
actor.SetMapper(_polyDataMapper);
actor.GetProperty().SetColor(1, 1, 1);
//marchingCubeActor.GetProperty().BackfaceCullingOn();
//marchingCubeActor.GetProperty().FrontfaceCullingOn();
//marchingCubeActor.GetProperty().BackfaceCullingOff();
// now, tell the renderer our actors
renderer.AddActor(actor);
this.renderer = renderer;
}
else
{
throw new Exception(string.Format("VTP文件 = {0}不存在。", vtpFile));
}
//正面观();
}
/// <summary>
/// 进行三维结构的转换
/// </summary>
/// <param name="degree"></param>
/// <param name="polyData"></param>
/// <param name="info"></param>
/// <returns></returns>
private static vtkActor FormActor3D(float degree, vtkPolyData polyData, ModelingBaseInfo info)
{//旋转拉伸一个截面, 先绕Z拉伸后旋转一定攻角，再平移
vtkActor actor = vtkActor.New();
vtkPolyData polydata = Extrude3DSection(degree, polyData, info);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(polyData);
actor.SetMapper(mapper);
return(actor);
}
private void PolyLine()
{
// Create five points
double[,] p = new double[, ] {
{ 0.0, 0.0, 0.0 },
{ 1.0, 0.0, 0.0 },
{ 0.0, 1.0, 0.0 },
{ 0.0, 1.0, 2.0 },
{ 0.0, 3.0, 3.0 }
};
// Create the points
vtkPoints points = vtkPoints.New();
for (int i = 0; i < 5; i++)
{
points.InsertNextPoint(p[i, 0], p[i, 1], p[i, 2]);
}
vtkPolyLine polyLine = vtkPolyLine.New();
polyLine.GetPointIds().SetNumberOfIds(5);
for (int i = 0; i < 5; i++)
{
polyLine.GetPointIds().SetId(i, i);
}
// Create a cell array to store the lines in and add the lines to it
vtkCellArray cells = vtkCellArray.New();
cells.InsertNextCell(polyLine);
// Create a polydata to store everything in
vtkPolyData polyData = vtkPolyData.New();
// Add the points to the dataset
polyData.SetPoints(points);
// Add the lines to the dataset
polyData.SetLines(cells);
//Create an actor and mapper
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(polyData);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
renderer.SetBackground(0.2, 0.3, 0.4);
renderer.AddActor(actor);
}
/// <summary>
/// Crée le nécessaire pour l'affichage du volume
/// </summary>
private void createVolumeObjects()
{
_volumeMapper = vtkPolyDataMapper.New();
_volumeMapper.SetInput(_stlReader.GetOutput());
_volumeActor = vtkActor.New();
//couleur du volume
double[] rgb = colorToRGB(VolumeColor);
_volumeActor.GetProperty().SetColor(rgb[0], rgb[1], rgb[2]);
_volumeActor.SetMapper(_volumeMapper);
}
private void LongLine()
{
// Create five points
double[,] p = new double[, ] {
{ 0.0, 0.0, 0.0 },
{ 1.0, 0.0, 0.0 },
{ 0.0, 1.0, 0.0 },
{ 0.0, 1.0, 2.0 },
{ 1.0, 2.0, 3.0 }
};
// Create a vtkPoints object and store the points in it
vtkPoints points = vtkPoints.New();
for (int i = 0; i < 5; i++)
{
points.InsertNextPoint(p[i, 0], p[i, 1], p[i, 2]);
}
// Create a cell array to store the lines in and add the lines to it
vtkCellArray lines = vtkCellArray.New();
for (int i = 0; i < 4; i++)
{
vtkLine line = vtkLine.New();
line.GetPointIds().SetId(0, i);
line.GetPointIds().SetId(1, i + 1);
lines.InsertNextCell(line);
}
// Create a polydata to store everything in
vtkPolyData linesPolyData = vtkPolyData.New();
// Add the points to the dataset
linesPolyData.SetPoints(points);
// Add the lines to the dataset
linesPolyData.SetLines(lines);
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(linesPolyData);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.GetProperty().SetLineWidth(4);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
renderer.SetBackground(0.2, 0.3, 0.4);
renderer.AddActor(actor);
renderer.ResetCamera();
}
/// <summary>
/// Crée un acteur pour l'objet fourni et l'ajoute au renderer
/// </summary>
/// <param name="polydata"></param>
private void addActor(vtkPolyData polydata)
{
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(polydata);
vtkActor act = vtkActor.New();
act.SetMapper(mapper);
_renderer.AddActor(act);
}
//private vtkActor DrawVehicleID(float curX, float ySign)
//{
// // Create text
// vtkVectorText textSource = new vtkVectorText();
// textSource.SetText("Hello");
// textSource.Update();
// // Visualize
// vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
// mapper.SetInputConnection(textSource.GetOutputPort());
// vtkActor textActor = vtkActor.New();
// textActor.SetScale(Constants.INDICATOR_TEXT_SIZE_X, Constants.INDICATOR_TEXT_SIZE_Y, 1);
// double[] bounds = textActor.GetXRange();
// Console.WriteLine(bounds[0]);
// Console.WriteLine(bounds[1]);
// double halfSize = (bounds[1] - bounds[0]) / 2d;
// textActor.SetPosition(curX - halfSize, Constants.INDICATOR_LINE_OFFSET * ySign, 0);
// textActor.SetMapper(mapper);
// textActor.GetProperty().SetColor(1, 0, 0);
// return textActor;
//}
private vtkActor DrawLineSector(float startX, float yOffset, float size, Color color, float deltaY)
{
float topY = yOffset + Constants.TUBE_DEFAULT_HALFSIZE_Y;
float botY = yOffset - Constants.TUBE_DEFAULT_HALFSIZE_Y;
if (deltaY > 0)
{
topY += deltaY;
}
else
{
botY += deltaY;
}
vtkPoints points = new vtkPoints();
points.InsertNextPoint(startX, botY, 0.0);
points.InsertNextPoint(startX + size, botY, 0.0);
points.InsertNextPoint(startX + size, topY, 0.0);
points.InsertNextPoint(startX, topY, 0.0);
vtkPolygon rectangle = new vtkPolygon();
rectangle.GetPointIds().SetNumberOfIds(4);
rectangle.GetPointIds().SetId(0, 0);
rectangle.GetPointIds().SetId(1, 1);
rectangle.GetPointIds().SetId(2, 2);
rectangle.GetPointIds().SetId(3, 3);
vtkCellArray polygons = new vtkCellArray();
polygons.InsertNextCell(rectangle);
vtkPolyData polygonPolyData = new vtkPolyData();
polygonPolyData.SetPoints(points);
polygonPolyData.SetPolys(polygons);
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(polygonPolyData);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.GetProperty().SetColor(color.r, color.g, color.b);
return(actor);
}
/// <summary>
/// Crée le nécessaire pour l'affichage des arêtes
/// </summary>
private void createEdgeObjects()
{
_edgeExtractor = vtkExtractEdges.New();
_edgeExtractor.SetInput(_stlReader.GetOutput());
_edgeMapper = vtkPolyDataMapper.New();
_edgeMapper.SetInput(_edgeExtractor.GetOutput());
_edgeActor = vtkActor.New();
double[] rgb = colorToRGB(EdgeColor);
//couleurs des aretes
_edgeActor.GetProperty().SetColor(rgb[0], rgb[1], rgb[2]);
_edgeActor.SetMapper(_edgeMapper);
}
private void Point()
{
// 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 }
};
// Create topology of the points (a vertex per point)
vtkCellArray vertices = vtkCellArray.New();
int nPts = 3;
int[] ids = new int[nPts];
for (int i = 0; i < nPts; i++)
{
ids[i] = 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.SetInput(pointPoly);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.GetProperty().SetPointSize(20);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
renderer.SetBackground(0.3, 0.2, 0.1);
renderer.AddActor(actor);
}
private void Quad()
{
double[,] p = new double[, ] {
{ 0.0, 0.0, 0.0 },
{ 1.0, 0.0, 0.0 },
{ 1.0, 1.0, 0.0 },
{ 0.0, 1.0, 0.0 }
};
// Create the points
vtkPoints points = vtkPoints.New();
for (int i = 0; i < 4; i++)
{
points.InsertNextPoint(p[i, 0], p[i, 1], p[i, 2]);
}
vtkQuad quad = vtkQuad.New();
quad.GetPointIds().SetNumberOfIds(4);
for (int i = 0; i < 4; i++)
{
quad.GetPointIds().SetId(i, i);
}
// Create a cell array to store the quad in and add the quad to it
vtkCellArray cells = vtkCellArray.New();
cells.InsertNextCell(quad);
// Create a polydata to store everything in
vtkPolyData polyData = vtkPolyData.New();
// Add the points to the dataset
polyData.SetPoints(points);
// Add the quad to the dataset
polyData.SetPolys(cells);
//Create an actor and mapper
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(polyData);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
RenderAddActor(actor);
}
private void Polygon()
{
// Setup four points
vtkPoints points = vtkPoints.New();
double c = Math.Cos(Math.PI / 6); // helper variable
points.InsertNextPoint(0.0, -1.0, 0.0);
points.InsertNextPoint(c, -0.5, 0.0);
points.InsertNextPoint(c, 0.5, 0.0);
points.InsertNextPoint(0.0, 1.0, 0.0);
points.InsertNextPoint(-c, 0.5, 0.0);
points.InsertNextPoint(-c, -0.5, 0.0);
// Create the polygon
vtkPolygon polygon = vtkPolygon.New();
polygon.GetPointIds().SetNumberOfIds(6); //make a six-sided figure
polygon.GetPointIds().SetId(0, 0);
polygon.GetPointIds().SetId(1, 1);
polygon.GetPointIds().SetId(2, 2);
polygon.GetPointIds().SetId(3, 3);
polygon.GetPointIds().SetId(4, 4);
polygon.GetPointIds().SetId(5, 5);
// Add the polygon to a list of polygons
vtkCellArray polygons = vtkCellArray.New();
polygons.InsertNextCell(polygon);
// Create a PolyData
vtkPolyData polygonPolyData = vtkPolyData.New();
polygonPolyData.SetPoints(points);
polygonPolyData.SetPolys(polygons);
// Create a mapper and actor
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(polygonPolyData);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
renderer.SetBackground(0.2, 0.3, 0.4);
renderer.AddActor(actor);
renderer.ResetCamera();
}
private void Frustum()
{
// Create a frustum.
// in this example we need the renderer first to retrieve the active camera
// in order to get camera's frustum planes
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
vtkCamera camera = renderer.GetActiveCamera();
double[] aspect = renderer.GetAspect();
double aspectRatio = aspect[0] / aspect[1];
// allocate memory for 24 unmanaged doubles
int size = Marshal.SizeOf(typeof(double)) * 24;
IntPtr ptr = Marshal.AllocHGlobal(size);
camera.GetFrustumPlanes(aspectRatio, ptr);
// in case we would need this values directly we could copy
// the unmanaged double array to a managed array like so:
// double[] planesArray = new double[24];
// Marshal.Copy(ptr, planesArray, 0, 24);
// but fortunately we can forward the IntPtr directly to the function
// SetFrustumPlanes()
vtkPlanes planes = vtkPlanes.New();
planes.SetFrustumPlanes(ptr);
// free unmanaged memory
Marshal.FreeHGlobal(ptr);
vtkFrustumSource frustumSource = vtkFrustumSource.New();
frustumSource.SetPlanes(planes);
frustumSource.Update();
vtkPolyData frustum = frustumSource.GetOutput();
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(frustum);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
renderer.SetBackground(.2, .1, .3); // Background color dark purple
renderer.AddActor(actor);
renderer.ResetCamera();
}
public LinePackage(RendererPackage rendererPackage)
{
line = vtkLineSource.New();
line.SetResolution(100);
vtkPolyDataMapper sphereMapper = vtkPolyDataMapper.New();
sphereMapper.SetInput(line.GetOutput());
_lineActor = vtkActor.New();
_lineActor.SetMapper(sphereMapper);
rendererPackage.Renderer.AddActor(_lineActor);
this._rendererPackage = rendererPackage;
}
public void BasicVTKBuilderWithoutRunning(ref vtkActor actor, ref vtkPoints points, ref vtkCellArray polys,
ref vtkFloatArray scalars, ref vtkLookupTable Luk)
{
int pointsNum = 0;
TowerModelInstance.VTKDrawModel(ref points, ref polys, ref scalars, ref pointsNum, paras);
vtkPolyData profile = vtkPolyData.New();
profile.SetPoints(points);
profile.SetPolys(polys);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
if (paras.RotateAngle == 0)
{
profile.GetCellData().SetScalars(scalars);
mapper.SetInput(profile);
}
else
{
vtkRotationalExtrusionFilter refilter = vtkRotationalExtrusionFilter.New();
profile.Update();
profile.GetCellData().SetScalars(scalars);
//profile.GetPointData().SetScalars(scalars);
refilter.SetInput(profile);
refilter.SetResolution(50);
refilter.SetAngle(paras.RotateAngle);
refilter.SetTranslation(0);
refilter.SetDeltaRadius(0);
mapper.SetInputConnection(refilter.GetOutputPort());
}
mapper.SetScalarRange(0, 5);
mapper.SetLookupTable(Luk);
actor.SetMapper(mapper);
Luk.SetNumberOfTableValues(7);
Luk.SetTableValue(0, 0, 1, 0, 1); //
Luk.SetTableValue(1, 0, 0, 0.8, 1); //inner surface
Luk.SetTableValue(2, 0, 1, 0, 1); //
Luk.SetTableValue(3, 0, 0, 1, 1);
Luk.SetTableValue(4, 0, 0, 0.8, 1); //insider
Luk.SetTableValue(5, 0, 0.8, 0, 1); //outer surface
Luk.Build();
}
public void SetPosition(double[] xyz1, double[] xyz2)
{
vtkPoints points = vtkPoints.New();
points.InsertPoint(0, xyz1[0], xyz1[1], xyz1[2]);
points.InsertPoint(1, xyz2[0], xyz2[1], xyz2[2]);
vtkCellArray lines = vtkCellArray.New();
lines.InsertNextCell(2);
lines.InsertCellPoint(0);
lines.InsertCellPoint(1);
vtkPolyData profileData = new vtkPolyData();
profileData.SetPoints(points);
profileData.SetLines(lines);
profileData.SetVerts(lines);
profileData.Update();
vtkCleanPolyData cleanFilter = new vtkCleanPolyData();
cleanFilter.SetInput(profileData);
cleanFilter.Update();
vtkTubeFilter profileTubes = new vtkTubeFilter();
profileTubes.SetNumberOfSides(10);
profileTubes.SetInput(cleanFilter.GetOutput());
//profileTubes.SetVaryRadiusToVaryRadiusByVector();
profileTubes.SetRadius(1);
profileTubes.SetInputArrayToProcess(1, 0, 0, 0, "vectors");
//vtkPolyDataMapper profileMapper = new vtkPolyDataMapper();
//profileMapper.SetInputConnection(profileTubes.GetOutputPort());
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(profileTubes.GetOutput());
centerLineActor.SetMapper(mapper);
centerLineActor.GetProperty().SetOpacity(0.5);
}
public static void ShowPolydata(string airwayPath)
{
if (!File.Exists(airwayPath))
{
MessageBox.Show("文件不存在！");
return;
}
vtkRenderWindow renWin = vtkRenderWindow.New();
renWin.SetSize(600, 600);
vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor();
renWin.SetInteractor(iren);
vtkInteractorStyleTrackballCamera interactorStyle = new vtkInteractorStyleTrackballCamera();
iren.SetInteractorStyle(interactorStyle);
vtkRenderer renderer = vtkRenderer.New();
renderer.GradientBackgroundOn();
renderer.SetBackground(0, 0, 0);
renderer.SetBackground2(0, 0, 1);
renWin.AddRenderer(renderer);
vtkXMLPolyDataReader reader = new vtkXMLPolyDataReader();
reader.SetFileName(airwayPath);
reader.Update();
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.ScalarVisibilityOff();
mapper.SetInput(reader.GetOutput());
reader.Dispose();
vtkActor actor = new vtkActor();
actor.SetMapper(mapper);
renderer.AddActor(actor);
renWin.Render();
}
private void Triangle()
{
// Create a triangle
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(1.0, 0.0, 0.0);
points.InsertNextPoint(0.0, 0.0, 0.0);
points.InsertNextPoint(0.0, 1.0, 0.0);
vtkTriangle triangle = vtkTriangle.New();
triangle.GetPointIds().SetId(0, 0);
triangle.GetPointIds().SetId(1, 1);
triangle.GetPointIds().SetId(2, 2);
// Create a cell array to store the triangle in and add the triangle to it
vtkCellArray cells = vtkCellArray.New();
cells.InsertNextCell(triangle);
// Create a polydata to store everything in
vtkPolyData polyData = vtkPolyData.New();
// Add the points to the dataset
polyData.SetPoints(points);
// Add the quad to the dataset
polyData.SetPolys(cells);
//Create an actor and mapper
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(polyData);
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
renderer.SetBackground(0.2, 0.3, 0.4);
renderer.AddActor(actor);
}
public XmlPolyDataPackage(vtkPolyData polyData, vtkRenderer renderer)
{
this.PolyData = polyData;
_polyDataMapper = vtkPolyDataMapper.New();
_polyDataMapper.ScalarVisibilityOff();
_polyDataMapper.SetInput(PolyData);
_polyDataMapper.Update();
actor = vtkActor.New();
actor.SetMapper(_polyDataMapper);
//marchingCubeActor.GetProperty().BackfaceCullingOn();
//marchingCubeActor.GetProperty().FrontfaceCullingOn();
//marchingCubeActor.GetProperty().BackfaceCullingOff();
// now, tell the renderer our actors
renderer.AddActor(actor);
this.renderer = renderer;
}
void ConstructActor(vtkPolyData polydata)
{
//vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
//colors.SetNumberOfComponents(3);
//Console.WriteLine("pointnum:{0},linenum:{1},numPieces:{2},numstrips:{3}", polydata.GetNumberOfPoints(),polydata .GetNumberOfLines()
// ,polydata .GetNumberOfPieces(),polydata .GetNumberOfPolys(),polydata .GetNumberOfStrips());
//int cellnum = polydata.GetNumberOfCells();
//colors.SetNumberOfTuples(cellnum);
//for (int i = 0; i < cellnum; ++i)
// colors.SetTuple3(i, m_defaultColor[0], m_defaultColor[1], m_defaultColor[2]);
//polydata.GetCellData().SetScalars(colors);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
// mapper.SetScalarModeToUseCellData();
mapper.SetInput(polydata);
// float[] color = { 23f, 23f, 100f };
m_defaultColor = ModelUtils.GetRandomColor01();//获取随机颜色
SetColor(m_defaultColor);
this.SetMapper(mapper);
}
/// <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.AddRenderer((vtkRenderer)ren1);
renWin.AddRenderer((vtkRenderer)ren2);
iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow((vtkRenderWindow)renWin);
// create pipeline[]
//[]
pl3d = new vtkPLOT3DReader();
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.SetSource((vtkDataObject)pl3d.GetOutput());
probeTube = new vtkTubeFilter();
probeTube.SetInput((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()).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput()).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.SetGeometry((vtkDataSet)displayLine.GetOutput());
displayMerge.SetScalars((vtkDataSet)probe.GetPolyDataOutput());
displayWarp = new vtkWarpScalar();
displayWarp.SetInput((vtkDataObject)displayMerge.GetPolyDataOutput());
displayWarp.SetNormal((double)0,(double)1,(double)0);
displayWarp.SetScaleFactor((double).000001);
displayMapper = vtkPolyDataMapper.New();
displayMapper.SetInput((vtkPolyData)displayWarp.GetPolyDataOutput());
displayMapper.SetScalarRange((double)((vtkDataSet)pl3d.GetOutput()).GetScalarRange()[0],
(double)((vtkDataSet)pl3d.GetOutput()).GetScalarRange()[1]);
displayActor = new vtkActor();
displayActor.SetMapper((vtkMapper)displayMapper);
outline = new vtkStructuredGridOutlineFilter();
outline.SetInputConnection((vtkAlgorithmOutput)pl3d.GetOutputPort());
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();
}
static public vtkProp3D genRayActor(List <RayLineCluster> data)
{
vtkPoints points = vtkPoints.New();
vtkCellArray pLineCell = vtkCellArray.New();
vtkLine p1 = vtkLine.New();
int cout = 0;
System.Windows.Forms.MessageBox.Show("cluster.start_radius:" + data.Count.ToString());
for (int i = 0; i < data.Count; i++)
{
RayLineCluster cluster = data[i];
if (i != data.Count - 1)
{
// 第一个的起点连第二次的起点
List <RayLine> rays_start = cluster.ray_cluster;
List <RayLine> rays_end = data[i + 1].ray_cluster;
for (int j = 0; j < rays_start.Count; j++)
{
points.InsertNextPoint(rays_start[j].start_point.x,
rays_start[j].start_point.y, rays_start[j].start_point.z);
points.InsertNextPoint(rays_end[j].start_point.x,
rays_end[j].start_point.y, rays_end[j].start_point.z);
p1.GetPointIds().SetId(0, cout++);
p1.GetPointIds().SetId(1, cout++);
pLineCell.InsertNextCell(p1);
}
}
else
{
foreach (var line in cluster.ray_cluster)
{
points.InsertNextPoint(line.start_point.x,
line.start_point.y, line.start_point.z);
points.InsertNextPoint(
line.start_point.x + 0.5 * line.normal_line.x,
line.start_point.y + 0.5 * line.normal_line.y,
line.start_point.z + 0.5 * line.normal_line.z);
p1.GetPointIds().SetId(0, cout++);
p1.GetPointIds().SetId(1, cout++);
pLineCell.InsertNextCell(p1);
}
}
}
vtkPolyData pointsData = vtkPolyData.New();
pointsData.SetPoints(points); //获得网格模型中的几何数据：点集
pointsData.SetLines(pLineCell);
vtkPolyDataMapper pointMapper = vtkPolyDataMapper.New();
pointMapper.SetInput(pointsData);
pointMapper.Update();
vtkActor actor = vtkActor.New();
actor.SetMapper(pointMapper);
actor.GetProperty().SetColor(1, 0, 0);
return(actor);
}
private void ColoredLines()
{
// Create three points. Join (Origin and P0) with a red line and
// (Origin and P1) with a green line
double[] origin = new double[] { 0.0, 0.0, 0.0 };
double[] p0 = new double[] { 1.0, 0.0, 0.0 };
double[] p1 = new double[] { 0.0, 1.0, 0.0 };
// Create a vtkPoints object and store the points in it
vtkPoints pts = vtkPoints.New();
pts.InsertNextPoint(origin[0], origin[1], origin[2]);
pts.InsertNextPoint(p0[0], p0[1], p0[2]);
pts.InsertNextPoint(p1[0], p1[1], p1[2]);
// Setup two colors - one for each line
byte[] red = new byte[] { 255, 0, 0 };
byte[] green = new byte[] { 0, 255, 0 };
// Setup the colors array
vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
colors.SetNumberOfComponents(3);
colors.SetName("Colors");
// Add the colors we created to the colors array
colors.InsertNextValue(red[0]);
colors.InsertNextValue(red[1]);
colors.InsertNextValue(red[2]);
colors.InsertNextValue(green[0]);
colors.InsertNextValue(green[1]);
colors.InsertNextValue(green[2]);
// Create the first line (between Origin and P0)
vtkLine line0 = vtkLine.New();
line0.GetPointIds().SetId(0, 0); //the second 0 is the index of the Origin in the vtkPoints
line0.GetPointIds().SetId(1, 1); //the second 1 is the index of P0 in the vtkPoints
// Create the second line (between Origin and P1)
vtkLine line1 = vtkLine.New();
line1.GetPointIds().SetId(0, 0); //the second 0 is the index of the Origin in the vtkPoints
line1.GetPointIds().SetId(1, 2); //2 is the index of P1 in the vtkPoints
// Create a cell array to store the lines in and add the lines to it
vtkCellArray lines = vtkCellArray.New();
lines.InsertNextCell(line0);
lines.InsertNextCell(line1);
// Create a polydata to store everything in
vtkPolyData linesPolyData = vtkPolyData.New();
// Add the points to the dataset
linesPolyData.SetPoints(pts);
// Add the lines to the dataset
linesPolyData.SetLines(lines);
// Color the lines - associate the first component (red) of the
// colors array with the first component of the cell array (line 0)
// and the second component (green) of the colors array with the
// second component of the cell array (line 1)
linesPolyData.GetCellData().SetScalars(colors);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(linesPolyData);
// create an actor
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
RenderAddActor(actor);
}
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();
}
/// <summary>
/// The main entry method called by the CSharp driver
/// </summary>
/// <param name="argv"></param>
public static void AVfieldToPolyData(String [] argv)
{
//Prefix Content is: ""
// This example demonstrates the reading of a field and conversion to PolyData[]
// The output should be the same as polyEx.tcl.[]
// get the interactor ui[]
// Create a reader and write out the field[]
reader = new vtkPolyDataReader();
reader.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/polyEx.vtk");
ds2do = new vtkDataSetToDataObjectFilter();
ds2do.SetInputConnection((vtkAlgorithmOutput)reader.GetOutputPort());
try
{
channel = new StreamWriter("PolyField.vtk");
tryCatchError = "NOERROR";
}
catch(Exception)
{tryCatchError = "ERROR";}
if(tryCatchError.Equals("NOERROR"))
{
channel.Close();
writer = new vtkDataObjectWriter();
writer.SetInputConnection((vtkAlgorithmOutput)ds2do.GetOutputPort());
writer.SetFileName((string)"PolyField.vtk");
writer.Write();
// create pipeline[]
//[]
dor = new vtkDataObjectReader();
dor.SetFileName((string)"PolyField.vtk");
do2ds = new vtkDataObjectToDataSetFilter();
do2ds.SetInputConnection((vtkAlgorithmOutput)dor.GetOutputPort());
do2ds.SetDataSetTypeToPolyData();
do2ds.SetPointComponent((int)0,(string)"Points",(int)0);
do2ds.SetPointComponent((int)1,(string)"Points",(int)1);
do2ds.SetPointComponent((int)2,(string)"Points",(int)2);
do2ds.SetPolysComponent((string)"Polys",(int)0);
fd2ad = new vtkFieldDataToAttributeDataFilter();
fd2ad.SetInput((vtkDataObject)do2ds.GetPolyDataOutput());
fd2ad.SetInputFieldToDataObjectField();
fd2ad.SetOutputAttributeDataToPointData();
fd2ad.SetScalarComponent((int)0,(string)"my_scalars",(int)0);
mapper = vtkPolyDataMapper.New();
mapper.SetInput((vtkPolyData)fd2ad.GetPolyDataOutput());
mapper.SetScalarRange((double)((vtkDataSet)fd2ad.GetOutput()).GetScalarRange()[0],(double)((vtkDataSet)fd2ad.GetOutput()).GetScalarRange()[1]);
actor = new vtkActor();
actor.SetMapper((vtkMapper)mapper);
// Create the RenderWindow, Renderer and both Actors[]
ren1 = vtkRenderer.New();
renWin = vtkRenderWindow.New();
renWin.AddRenderer((vtkRenderer)ren1);
iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow((vtkRenderWindow)renWin);
ren1.AddActor((vtkProp)actor);
ren1.SetBackground((double)1,(double)1,(double)1);
renWin.SetSize((int)300,(int)300);
ren1.ResetCamera();
cam1 = ren1.GetActiveCamera();
cam1.SetClippingRange((double).348,(double)17.43);
cam1.SetPosition((double)2.92,(double)2.62,(double)-0.836);
cam1.SetViewUp((double)-0.436,(double)-0.067,(double)-0.897);
cam1.Azimuth((double)90);
// render the image[]
//[]
renWin.Render();
File.Delete("PolyField.vtk");
}
// prevent the tk window from showing up then start the event loop[]
//deleteAllVTKObjects();
}
//Parameters for building a model
private void BasicVTKBuilder(ref vtkActor actor, ref vtkPoints points, ref vtkCellArray polys,
ref vtkFloatArray scalars, ref vtkLookupTable Luk, ref vtkActor2D actor2D)
{
int pointsNum = 0;
TowerModelInstance.VTKDrawModel(ref points, ref polys, ref scalars, ref pointsNum, paras);
vtkPolyData profile = vtkPolyData.New();
profile.SetPoints(points);
profile.SetPolys(polys);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
if (paras.RotateAngle == 0)
{
profile.GetCellData().SetScalars(scalars);
mapper.SetInput(profile);
}
else
{
vtkRotationalExtrusionFilter refilter = vtkRotationalExtrusionFilter.New();
profile.Update();
profile.GetCellData().SetScalars(scalars);
//profile.GetPointData().SetScalars(scalars);
refilter.SetInput(profile);
refilter.SetResolution(50);
refilter.SetAngle(paras.RotateAngle);
refilter.SetTranslation(0);
refilter.SetDeltaRadius(0);
mapper.SetInputConnection(refilter.GetOutputPort());
}
mapper.SetScalarRange(TowerModelInstance.GetColorGenColorTableMinvalue(),
TowerModelInstance.GetColorGenColorTableMaxValue());
actor.SetMapper(mapper);
// This text property is for scalarBar
vtkTextProperty textProperty = vtkTextProperty.New();
//textProperty.SetFontFamilyToCourier();
//textProperty.SetColor(1.0, 1.0, 0.5);
textProperty.SetFontSize(10);
vtkScalarBarActor scalarBar = vtkScalarBarActor.New();
scalarBar.SetLookupTable(mapper.GetLookupTable());
scalarBar.SetTitle("Color Table");
scalarBar.SetNumberOfLabels(TowerModelInstance.GetColorGenColorTableSize());
scalarBar.SetTitleTextProperty(textProperty);
scalarBar.SetLabelTextProperty(textProperty);
scalarBar.SetWidth(0.07);
scalarBar.SetHeight(0.6);
//scalarBar.SetDrawFrame(1);
vtkLookupTable hueLut = vtkLookupTable.New();
hueLut.SetTableRange(TowerModelInstance.GetColorGenColorTableMinvalue(),
TowerModelInstance.GetColorGenColorTableMaxValue());
hueLut.SetHueRange(0.667, 0);
hueLut.SetSaturationRange(1, 1);
hueLut.SetValueRange(1, 1);
hueLut.SetNumberOfTableValues(TowerModelInstance.GetColorGenColorTableSize());
hueLut.Build();
mapper.SetLookupTable(hueLut);
scalarBar.SetLookupTable(hueLut);
// The actor links the data pipeline to the rendering subsystem
actor2D = scalarBar;
//actor.GetProperty().SetColor(0.388, 0.388, 0.388);
}
static void Main(string[] args)
{
//
// Next we create an instance of vtkConeSource and set some of its
// properties. The instance of vtkConeSource "cone" is part of a visualization
// pipeline (it is a source process object); it produces data (output type is
// vtkPolyData) which other filters may process.
//
vtkConeSource cone = new vtkConeSource();
cone.SetHeight( 3.0f );
cone.SetRadius( 1.0f );
cone.SetResolution( 10 );
//
// In this example we terminate the pipeline with a mapper process object.
// (Intermediate filters such as vtkShrinkPolyData could be inserted in
// between the source and the mapper.) We create an instance of
// vtkPolyDataMapper to map the polygonal data into graphics primitives. We
// connect the output of the cone souece to the input of this mapper.
//
vtkPolyDataMapper coneMapper = new vtkPolyDataMapper();
coneMapper.SetInput( cone.GetOutput() );
//
// Create an actor to represent the cone. The actor orchestrates rendering of
// the mapper's graphics primitives. An actor also refers to properties via a
// vtkProperty instance, and includes an internal transformation matrix. We
// set this actor's mapper to be coneMapper which we created above.
//
vtkActor coneActor = new vtkActor();
coneActor.SetMapper( coneMapper );
//
// Create the Renderer and assign actors to it. A renderer is like a
// viewport. It is part or all of a window on the screen and it is
// responsible for drawing the actors it has. We also set the background
// color here
//
vtkRenderer ren1 = new vtkRenderer();
ren1.AddActor( coneActor );
ren1.SetBackground( 0.1f, 0.2f, 0.4f );
//
// Finally we create the render window which will show up on the screen
// We put our renderer into the render window using AddRenderer. We also
// set the size to be 300 pixels by 300
//
vtkRenderWindow renWin = new vtkRenderWindow();
renWin.AddRenderer( ren1 );
renWin.SetSize( 300, 300 );
vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow(renWin);
vtkInteractorStyleTrackballCamera style =
new vtkInteractorStyleTrackballCamera();
iren.SetInteractorStyle(style);
vtkBoxWidget boxWidget = new vtkBoxWidget();
boxWidget.SetInteractor(iren);
boxWidget.SetPlaceFactor(1.25f);
boxWidget.SetProp3D(coneActor);
boxWidget.PlaceWidget();
boxWidget.AddObserver((uint) EventIds.InteractionEvent,
new vtkDotNetCallback(myCallback));
boxWidget.On();
iren.Initialize();
iren.Start();
vtkWin32OpenGLRenderWindow win32win =
vtkWin32OpenGLRenderWindow.SafeDownCast(renWin);
if ( null != win32win ) win32win.Clean();
}
//切片模式_绘制
private void DrawMode_Slice()
{
int[] xyz = m_ImageData.GetDimensions();
double[] sp = m_ImageData.GetSpacing();
double[] pos = new double[] { m_XPos, m_YPos, m_ZPos };
#region -------------------XOY切片(垂直Z轴)-------------------
m_ImageResliceXOY = vtkImageReslice.New();
m_ImageResliceXOY.SetInput(m_ImageData);
m_ImageResliceXOY.SetResliceAxesDirectionCosines(
1, 0, 0,
0, 1, 0,
0, 0, 1
);
m_ImageResliceXOY.InterpolateOn();
m_ImageResliceXOY.SetInterpolationModeToNearestNeighbor();
m_ImageResliceXOY.SetResliceAxesOrigin(pos[0], pos[1], pos[2]);
m_ImageResliceXOY.SetOutputDimensionality(2);
m_ImageResliceXOY.Update();
m_TextureXOY = vtkTexture.New();
m_TextureXOY.InterpolateOff();
m_TextureXOY.SetInput(m_ImageResliceXOY.GetOutput());
m_TextureXOY.SetLookupTable(m_LookupTable);
m_TextureXOY.MapColorScalarsThroughLookupTableOn();
//---------------------set plane position----------
m_PlaneSourceXOY = vtkPlaneSource.New();
m_PlaneSourceXOY.SetXResolution(xyz[0]);
m_PlaneSourceXOY.SetYResolution(xyz[1]);
m_PlaneSourceXOY.SetOrigin(0, 0, 0);
m_PlaneSourceXOY.SetPoint1((xyz[0] - 1) * sp[0], 0, 0);
m_PlaneSourceXOY.SetPoint2(0, (xyz[1] - 1) * sp[1], 0);
m_PlaneSourceXOY.Push(pos[2]);
//---------------------pipeline--------------------
m_PlaneMapperXOY = vtkPolyDataMapper.New();
m_PlaneMapperXOY.SetInput(m_PlaneSourceXOY.GetOutput());
m_ActorXOY = vtkActor.New();
m_ActorXOY.SetMapper(m_PlaneMapperXOY);
m_ActorXOY.SetTexture(m_TextureXOY);
#endregion
#region -------------------XOZ切片(垂直Y轴)-------------------
m_ImageResliceXOZ = vtkImageReslice.New();
m_ImageResliceXOZ.SetInput(m_ImageData);
m_ImageResliceXOZ.SetResliceAxesDirectionCosines(
1, 0, 0,
0, 0, -1,
0, 1, 0
);
m_ImageResliceXOZ.InterpolateOn();
m_ImageResliceXOZ.SetInterpolationModeToNearestNeighbor();
m_ImageResliceXOZ.SetResliceAxesOrigin(pos[0], pos[1], pos[2]);
m_ImageResliceXOZ.SetOutputDimensionality(2);
m_ImageResliceXOZ.Update();
m_TextureXOZ = vtkTexture.New();
m_TextureXOZ.SetInput(m_ImageResliceXOZ.GetOutput());
m_TextureXOZ.SetLookupTable(m_LookupTable);
m_TextureXOZ.MapColorScalarsThroughLookupTableOn();
//---------------------set plane position--------------------
m_PlaneSourceXOZ = vtkPlaneSource.New();
m_PlaneSourceXOZ.SetXResolution(xyz[0]);
m_PlaneSourceXOZ.SetYResolution(xyz[2]);
m_PlaneSourceXOZ.SetOrigin(0, 0, (xyz[2] - 1) * sp[2]);
m_PlaneSourceXOZ.SetPoint1((xyz[0] - 1) * sp[0], 0, (xyz[2] - 1) * sp[2]);
m_PlaneSourceXOZ.SetPoint2(0, 0, 0);
m_PlaneSourceXOZ.Push(pos[1]);
//---------------------pipeline------------------------------
m_PlaneMapperXOZ = vtkPolyDataMapper.New();
m_PlaneMapperXOZ.SetInput(m_PlaneSourceXOZ.GetOutput());
m_ActorXOZ = vtkActor.New();
m_ActorXOZ.SetMapper(m_PlaneMapperXOZ);
m_ActorXOZ.SetTexture(m_TextureXOZ);
#endregion
#region -------------------YOZ切片(垂直X轴)-------------------
m_ImageResliceYOZ = vtkImageReslice.New();
m_ImageResliceYOZ.SetInput(m_ImageData);
m_ImageResliceYOZ.SetResliceAxesDirectionCosines(
0, 0, -1,
0, 1, 0,
1, 0, 0
);
m_ImageResliceYOZ.InterpolateOn();
m_ImageResliceYOZ.SetInterpolationModeToNearestNeighbor();
m_ImageResliceYOZ.SetResliceAxesOrigin(pos[0], pos[1], pos[2]);
m_ImageResliceYOZ.SetOutputDimensionality(2);
m_ImageResliceYOZ.Update();
m_TextureYOZ = vtkTexture.New();
m_TextureYOZ.SetInput(m_ImageResliceYOZ.GetOutput());
m_TextureYOZ.SetLookupTable(m_LookupTable);
m_TextureYOZ.MapColorScalarsThroughLookupTableOn();
//---------------------set plane position--------------------
m_PlaneSourceYOZ = vtkPlaneSource.New();
m_PlaneSourceYOZ.SetXResolution(xyz[2]);
m_PlaneSourceYOZ.SetYResolution(xyz[1]);
m_PlaneSourceYOZ.SetOrigin(0, 0, (xyz[2] - 1) * sp[2]);
m_PlaneSourceYOZ.SetPoint1(0, 0, 0);
m_PlaneSourceYOZ.SetPoint2(0, (xyz[1] - 1) * sp[1], (xyz[2] - 1) * sp[2]);
m_PlaneSourceYOZ.Push(pos[0]);
//---------------------pipeline------------------------------
m_PlaneMapperYOZ = vtkPolyDataMapper.New();
m_PlaneMapperYOZ.SetInput(m_PlaneSourceYOZ.GetOutput());
m_ActorYOZ = vtkActor.New();
m_ActorYOZ.SetMapper(m_PlaneMapperYOZ);
m_ActorYOZ.SetTexture(m_TextureYOZ);
#endregion
m_Renderer.AddActor(m_ActorXOY);
m_Renderer.AddActor(m_ActorXOZ);
m_Renderer.AddActor(m_ActorYOZ);
}