Exemple #1
0
        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);
        }
    /// <summary>
    /// The main entry method called by the CSharp driver
    /// </summary>
    /// <param name="argv"></param>
    public static void AVgaussian(String [] argv)
    {
        //Prefix Content is: ""

          ren1 = vtkRenderer.New();
          renWin = vtkRenderWindow.New();
          renWin.AddRenderer((vtkRenderer)ren1);
          renWin.SetSize((int)300,(int)300);
          iren = new vtkRenderWindowInteractor();
          iren.SetRenderWindow((vtkRenderWindow)renWin);
          camera = new vtkCamera();
          camera.ParallelProjectionOn();
          camera.SetViewUp((double)0,(double)1,(double)0);
          camera.SetFocalPoint((double)12,(double)10.5,(double)15);
          camera.SetPosition((double)-70,(double)15,(double)34);
          camera.ComputeViewPlaneNormal();
          ren1.SetActiveCamera((vtkCamera)camera);
          // Create the reader for the data[]
          //vtkStructuredPointsReader reader[]
          reader = new vtkGaussianCubeReader();
          reader.SetFileName((string)"" + (VTK_DATA_ROOT.ToString()) + "/Data/m4_TotalDensity.cube");
          reader.SetHBScale((double)1.1);
          reader.SetBScale((double)10);
          reader.Update();
          range = reader.GetGridOutput().GetPointData().GetScalars().GetRange();
          min = (double)(lindex(range,0));
          max = (double)(lindex(range,1));
          readerSS = new vtkImageShiftScale();
          readerSS.SetInput((vtkDataObject)reader.GetGridOutput());
          readerSS.SetShift((double)min*-1);
          readerSS.SetScale((double)255/(max-min));
          readerSS.SetOutputScalarTypeToUnsignedChar();
          bounds = new vtkOutlineFilter();
          bounds.SetInput((vtkDataObject)reader.GetGridOutput());
          boundsMapper = vtkPolyDataMapper.New();
          boundsMapper.SetInputConnection((vtkAlgorithmOutput)bounds.GetOutputPort());
          boundsActor = new vtkActor();
          boundsActor.SetMapper((vtkMapper)boundsMapper);
          boundsActor.GetProperty().SetColor((double)0,(double)0,(double)0);
          contour = new vtkContourFilter();
          contour.SetInput((vtkDataObject)reader.GetGridOutput());
          contour.GenerateValues((int)5,(double)0,(double).05);
          contourMapper = vtkPolyDataMapper.New();
          contourMapper.SetInputConnection((vtkAlgorithmOutput)contour.GetOutputPort());
          contourMapper.SetScalarRange((double)0,(double).1);
          ((vtkLookupTable)contourMapper.GetLookupTable()).SetHueRange(0.32,0);
          contourActor = new vtkActor();
          contourActor.SetMapper((vtkMapper)contourMapper);
          contourActor.GetProperty().SetOpacity((double).5);
          // Create transfer mapping scalar value to opacity[]
          opacityTransferFunction = new vtkPiecewiseFunction();
          opacityTransferFunction.AddPoint((double)0,(double)0.01);
          opacityTransferFunction.AddPoint((double)255,(double)0.35);
          opacityTransferFunction.ClampingOn();
          // Create transfer mapping scalar value to color[]
          colorTransferFunction = new vtkColorTransferFunction();
          colorTransferFunction.AddHSVPoint((double)0.0,(double)0.66,(double)1.0,(double)1.0);
          colorTransferFunction.AddHSVPoint((double)50.0,(double)0.33,(double)1.0,(double)1.0);
          colorTransferFunction.AddHSVPoint((double)100.0,(double)0.00,(double)1.0,(double)1.0);
          // The property describes how the data will look[]
          volumeProperty = new vtkVolumeProperty();
          volumeProperty.SetColor((vtkColorTransferFunction)colorTransferFunction);
          volumeProperty.SetScalarOpacity((vtkPiecewiseFunction)opacityTransferFunction);
          volumeProperty.SetInterpolationTypeToLinear();
          // The mapper / ray cast function know how to render the data[]
          compositeFunction = new vtkVolumeRayCastCompositeFunction();
          volumeMapper = new vtkVolumeRayCastMapper();
          //vtkVolumeTextureMapper2D volumeMapper[]
          volumeMapper.SetVolumeRayCastFunction((vtkVolumeRayCastFunction)compositeFunction);
          volumeMapper.SetInputConnection((vtkAlgorithmOutput)readerSS.GetOutputPort());
          // The volume holds the mapper and the property and[]
          // can be used to position/orient the volume[]
          volume = new vtkVolume();
          volume.SetMapper((vtkAbstractVolumeMapper)volumeMapper);
          volume.SetProperty((vtkVolumeProperty)volumeProperty);
          ren1.AddVolume((vtkProp)volume);
          //ren1 AddActor contourActor[]
          ren1.AddActor((vtkProp)boundsActor);
          //#####################################################################[]
          Sphere = new vtkSphereSource();
          Sphere.SetCenter((double)0,(double)0,(double)0);
          Sphere.SetRadius((double)1);
          Sphere.SetThetaResolution((int)16);
          Sphere.SetStartTheta((double)0);
          Sphere.SetEndTheta((double)360);
          Sphere.SetPhiResolution((int)16);
          Sphere.SetStartPhi((double)0);
          Sphere.SetEndPhi((double)180);
          Glyph = new vtkGlyph3D();
          Glyph.SetInputConnection((vtkAlgorithmOutput)reader.GetOutputPort());
          Glyph.SetOrient((int)1);
          Glyph.SetColorMode((int)1);
          //Glyph ScalingOn[]
          Glyph.SetScaleMode((int)2);
          Glyph.SetScaleFactor((double).6);
          Glyph.SetSource((vtkPolyData)Sphere.GetOutput());
          AtomsMapper = vtkPolyDataMapper.New();
          AtomsMapper.SetInputConnection((vtkAlgorithmOutput)Glyph.GetOutputPort());
          AtomsMapper.SetImmediateModeRendering((int)1);
          AtomsMapper.UseLookupTableScalarRangeOff();
          AtomsMapper.SetScalarVisibility((int)1);
          AtomsMapper.SetScalarModeToDefault();
          Atoms = new vtkActor();
          Atoms.SetMapper((vtkMapper)AtomsMapper);
          Atoms.GetProperty().SetRepresentationToSurface();
          Atoms.GetProperty().SetInterpolationToGouraud();
          Atoms.GetProperty().SetAmbient((double)0.15);
          Atoms.GetProperty().SetDiffuse((double)0.85);
          Atoms.GetProperty().SetSpecular((double)0.1);
          Atoms.GetProperty().SetSpecularPower((double)100);
          Atoms.GetProperty().SetSpecularColor((double)1,(double)1,(double)1);
          Atoms.GetProperty().SetColor((double)1,(double)1,(double)1);
          Tube = new vtkTubeFilter();
          Tube.SetInputConnection((vtkAlgorithmOutput)reader.GetOutputPort());
          Tube.SetNumberOfSides((int)16);
          Tube.SetCapping((int)0);
          Tube.SetRadius((double)0.2);
          Tube.SetVaryRadius((int)0);
          Tube.SetRadiusFactor((double)10);
          BondsMapper = vtkPolyDataMapper.New();
          BondsMapper.SetInputConnection((vtkAlgorithmOutput)Tube.GetOutputPort());
          BondsMapper.SetImmediateModeRendering((int)1);
          BondsMapper.UseLookupTableScalarRangeOff();
          BondsMapper.SetScalarVisibility((int)1);
          BondsMapper.SetScalarModeToDefault();
          Bonds = new vtkActor();
          Bonds.SetMapper((vtkMapper)BondsMapper);
          Bonds.GetProperty().SetRepresentationToSurface();
          Bonds.GetProperty().SetInterpolationToGouraud();
          Bonds.GetProperty().SetAmbient((double)0.15);
          Bonds.GetProperty().SetDiffuse((double)0.85);
          Bonds.GetProperty().SetSpecular((double)0.1);
          Bonds.GetProperty().SetSpecularPower((double)100);
          Bonds.GetProperty().SetSpecularColor((double)1,(double)1,(double)1);
          Bonds.GetProperty().SetColor((double)1,(double)1,(double)1);
          ren1.AddActor((vtkProp)Bonds);
          ren1.AddActor((vtkProp)Atoms);
          //###################################################[]
          ren1.SetBackground((double)1,(double)1,(double)1);
          ren1.ResetCamera();
          renWin.Render();
          //method moved

          renWin.AbortCheckEvt += new Kitware.VTK.vtkObject.vtkObjectEventHandler(TkCheckAbort_Command.Execute);
          iren.Initialize();

        //deleteAllVTKObjects();
    }