public void AddCylinderEdgeToActors(byte[] bgColor, ref vtkActorCollection actors) { vtkProperty pp = vtkProperty.New(); pp.SetOpacity(0.7); pp.SetColor(bgColor[0], bgColor[1], bgColor[2]); pp.SetLineWidth(5); pp.SetLighting(false); vtkRegularPolygonSource circle = vtkRegularPolygonSource.New(); circle.GeneratePolygonOn(); circle.SetNumberOfSides(50); circle.SetRadius(radius); circle.SetCenter(0, 0, 0); vtkPolyDataMapper mappper = vtkPolyDataMapper.New(); mappper.SetInputConnection(circle.GetOutputPort()); vtkActor actor = vtkActor.New(); actor.SetProperty(pp); actor.SetMapper(mappper); actors.AddItem(actor); actor.SetProperty(pp); actors.AddItem(actor); vtkLineSource ls = vtkLineSource.New(); ls.SetPoint1(0, 0, 0); ls.SetPoint2(0, 0, height); vtkTubeFilter tf = vtkTubeFilter.New(); tf.SetInputConnection(ls.GetOutputPort()); tf.SetRadius(radius); tf.SetNumberOfSides(100); tf.CappingOff(); vtkPolyDataMapper dm = vtkPolyDataMapper.New(); dm.SetInputConnection(tf.GetOutputPort()); vtkActor a2 = vtkActor.New(); a2.SetMapper(dm); a2.SetProperty(pp); pp.SetOpacity(0.5); actor.SetProperty(pp); actors.AddItem(a2); }
private void ReadPDB() { // Path to vtk data must be set as an environment variable // VTK_DATA_ROOT = "C:\VTK\vtkdata-5.8.0" vtkTesting test = vtkTesting.New(); string root = test.GetDataRoot(); string filePath = System.IO.Path.Combine(root, @"Data\caffeine.pdb"); vtkPDBReader pdb = vtkPDBReader.New(); pdb.SetFileName(filePath); pdb.SetHBScale(1.0); pdb.SetBScale(1.0); pdb.Update(); Debug.WriteLine("# of atoms is: " + pdb.GetNumberOfAtoms()); // if molecule contains a lot of atoms, reduce the resolution of the sphere (represents an atom) for faster rendering int resolution = (int)Math.Floor(Math.Sqrt(300000.0 / pdb.GetNumberOfAtoms())); // 300000.0 is an empriric value if (resolution > 20) { resolution = 20; } else if (resolution < 4) { resolution = 4; } Debug.WriteLine("Resolution is: " + resolution); vtkSphereSource sphere = vtkSphereSource.New(); sphere.SetCenter(0, 0, 0); sphere.SetRadius(1); sphere.SetThetaResolution(resolution); sphere.SetPhiResolution(resolution); vtkGlyph3D glyph = vtkGlyph3D.New(); glyph.SetInputConnection(pdb.GetOutputPort()); glyph.SetOrient(1); glyph.SetColorMode(1); // glyph.ScalingOn(); glyph.SetScaleMode(2); glyph.SetScaleFactor(.25); glyph.SetSourceConnection(sphere.GetOutputPort()); vtkPolyDataMapper atomMapper = vtkPolyDataMapper.New(); atomMapper.SetInputConnection(glyph.GetOutputPort()); atomMapper.UseLookupTableScalarRangeOff(); atomMapper.ScalarVisibilityOn(); atomMapper.SetScalarModeToDefault(); vtkLODActor atom = vtkLODActor.New(); atom.SetMapper(atomMapper); atom.GetProperty().SetRepresentationToSurface(); atom.GetProperty().SetInterpolationToGouraud(); atom.GetProperty().SetAmbient(0.15); atom.GetProperty().SetDiffuse(0.85); atom.GetProperty().SetSpecular(0.1); atom.GetProperty().SetSpecularPower(30); atom.GetProperty().SetSpecularColor(1, 1, 1); atom.SetNumberOfCloudPoints(30000); vtkTubeFilter tube = vtkTubeFilter.New(); tube.SetInputConnection(pdb.GetOutputPort()); tube.SetNumberOfSides(resolution); tube.CappingOff(); tube.SetRadius(0.2); // turn off variation of tube radius with scalar values tube.SetVaryRadius(0); tube.SetRadiusFactor(10); vtkPolyDataMapper bondMapper = vtkPolyDataMapper.New(); bondMapper.SetInputConnection(tube.GetOutputPort()); bondMapper.UseLookupTableScalarRangeOff(); bondMapper.ScalarVisibilityOff(); bondMapper.SetScalarModeToDefault(); vtkLODActor bond = vtkLODActor.New(); bond.SetMapper(bondMapper); bond.GetProperty().SetRepresentationToSurface(); bond.GetProperty().SetInterpolationToGouraud(); bond.GetProperty().SetAmbient(0.15); bond.GetProperty().SetDiffuse(0.85); bond.GetProperty().SetSpecular(0.1); bond.GetProperty().SetSpecularPower(30); bond.GetProperty().SetSpecularColor(1, 1, 1); bond.GetProperty().SetDiffuseColor(1.0000, 0.8941, 0.70981); // get a reference to the renderwindow of our renderWindowControl1 vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow; // renderer vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer(); // set background color renderer.SetBackground(0.2, 0.3, 0.4); // add our actor to the renderer renderer.AddActor(atom); renderer.AddActor(bond); }