internal void CreatePolydata(ref vtkPolyData polydata) { vtkPoints points = vtkPoints.New(); points.InsertNextPoint(this.origin[0], this.origin[1], this.origin[2]); float[] x = new float[3]; float[] y = new float[3]; float[] z = new float[3]; Add(this.origin, this.xDirection, ref x); Add(this.origin, this.yDirection, ref y); Add(this.origin, this.zDirection, ref z); points.InsertNextPoint(x[0], x[1], x[2]); points.InsertNextPoint(y[0], y[1], y[2]); points.InsertNextPoint(z[0], z[1], z[2]); polydata.SetPoints(points); vtkVertexGlyphFilter vertexGlyphFilter = vtkVertexGlyphFilter.New(); #if VTK_MAJOR_VERSION_5 vertexGlyphFilter.AddInput(polydata); #else vertexGlyphFilter.AddInputData(polydata); #endif vertexGlyphFilter.Update(); polydata.ShallowCopy(vertexGlyphFilter.GetOutput()); }
private void SelectAreaClick(vtkObject sender, vtkObjectEventArgs e) { int[] clickPos = Inter.GetEventPosition(); vtkAreaPicker picker = vtkAreaPicker.New(); picker.AreaPick(clickPos[0], clickPos[1], clickPos[0] + 100, clickPos[1] + 100, Viewport); if (picker.GetActor() != null) { vtkPlanes Boundary = picker.GetFrustum(); vtkExtractGeometry Box = vtkExtractGeometry.New(); Box.SetImplicitFunction(Boundary); Box.SetInput(picker.GetActor().GetMapper().GetInput()); vtkVertexGlyphFilter glyphFilter = vtkVertexGlyphFilter.New(); glyphFilter.SetInputConnection(Box.GetOutputPort()); glyphFilter.Update(); vtkPolyData selected = glyphFilter.GetOutput(); vtkPoints points = vtkPoints.New(); vtkUnstructuredGrid grid = vtkUnstructuredGrid.New(); for (int i = 0; i < selected.GetNumberOfPoints(); i++) { points.InsertNextPoint(selected.GetPoint(i)[0], selected.GetPoint(i)[1], selected.GetPoint(i)[2]); } grid.SetPoints(points); vtkSphereSource sphere = vtkSphereSource.New(); sphere.SetPhiResolution(6); sphere.SetThetaResolution(6); sphere.SetRadius(0.1); vtkGlyph3D glyph3D = vtkGlyph3D.New(); glyph3D.SetInput(grid); glyph3D.SetSourceConnection(sphere.GetOutputPort()); vtkPolyDataMapper mapper = vtkPolyDataMapper.New(); mapper.SetInputConnection(glyph3D.GetOutputPort()); //double[] P = new double[3]; //bool selected = false; //vtkPoints points = Faces.GetPoints(); //double[] ClickedPoint = PointPicker.GetActor().GetMapper().GetInput().GetPoint(PointPicker.GetPointId()); //for (int i = 0; i < points.GetNumberOfPoints(); i++) //{ // if (Math.Abs(points.GetPoint(i)[0] - ClickedPoint[0]) < 1e-6 && // Math.Abs(points.GetPoint(i)[1] - ClickedPoint[1]) < 1e-6 && // Math.Abs(points.GetPoint(i)[2] - ClickedPoint[2]) < 1e-6) // { // selected = true; // P = points.GetPoint(i); // break; // } //} // //if (selected == true) //{ // SelectionPoints.InsertNextPoint(P[0], P[1], P[2]); // // SelectionGlyph = vtkGlyph3D.New(); // SelectionGlyph.SetInput(SelectionPolyData); // SelectionGlyph.SetSourceConnection(SelectionSphere.GetOutputPort()); // SelectionMapper.SetInputConnection(SelectionGlyph.GetOutputPort()); // // // Refresh Viewport // Refresh(); //} } }