[vtkusers] 3D rendering with Skin & colouring

[Bill Lorensen]

Color values are between 0.0 and 1.0. Your skin color is set to:
 actorskin.GetProperty().SetColor(100, 67, 67);
try
 actorskin.GetProperty().SetColor(1.0, .67, .67);

On Wed, Aug 12, 2009 at 8:59 AM, Gururajan<gururajan.r at raster.in> wrote:
> Please any one guide me , how i can add skin to my 3d image.
>
> The 3d image comes with bone part, not with the skin.
>
> I have pasted below my code in java
>
> Thanks
> Guru
>
>        vtkDICOMImageReader dicomreader = new vtkDICOMImageReader();
>        dicomreader.SetDirectoryName("/home/gururaj/MANIX/43a297f8");
>
>
>        dicomreader.SetFileNameSliceOffset(1);
>        dicomreader.SetFileNameSliceSpacing(1);
>        dicomreader.SetDataExtent(0,511,0,511,0,224);
>        dicomreader.SetDataSpacing(360.0/512,360.0/512,1.0);
>        dicomreader.SetDataOrigin(0,0,0);
>        dicomreader.Update();
>
>
>
>        vtkMarchingCubes surfaceExtractor = new vtkMarchingCubes();
>        surfaceExtractor.SetInput(dicomreader.GetOutput());
>        surfaceExtractor.ComputeNormalsOn();
>
>        surfaceExtractor.SetValue(0, 1250);
>        surfaceExtractor.Update();
>
>        vtkPolyDataNormals normals = new vtkPolyDataNormals();
>        normals.SetInput(surfaceExtractor.GetOutput());
>        normals.FlipNormalsOn();
>
>        vtkPolyDataWriter pdw = new vtkPolyDataWriter();
>        pdw.SetInput(normals.GetOutput());
>        pdw    .SetFileName("/home/gururaj/eclipse
> Project/SimpleVTK/SimpleVtk/CardiacCT/Dicom.vtk");
>        pdw.Write();
>
>
>        // 3d Construction
>        String strfilename = new String();
>        strfilename = "/home/gururaj/eclipse
> Project/SimpleVTK/SimpleVtk/CardiacCT/Dicom.vtk";
>
>        vtkPolyDataReader polyReader = new vtkPolyDataReader();
>        polyReader.SetFileName(strfilename);
>        polyReader.Update();
>
>        vtkPolyData polyData = new vtkPolyData();
>        polyData.DeepCopy(polyReader.GetOutput());
>
>        vtkPolyDataMapper polyMapper = new vtkPolyDataMapper();
>        polyMapper.SetInput(polyData);
>        polyMapper.Update();
>        polyMapper.ScalarVisibilityOff();
>
>        //for skin and bone Diagram
>            //For setting Bone Colour
>                vtkGeometryFilter  geovolumebone = new vtkGeometryFilter();
>                geovolumebone.SetInput(polyReader.GetOutput());
>
>                vtkPolyDataMapper  geobonemapper = new vtkPolyDataMapper();
>                geobonemapper.SetInput(geovolumebone.GetOutput());
>                geobonemapper.ScalarVisibilityOff();
>
>                vtkLODActor boneActor = new vtkLODActor();
>                boneActor.SetNumberOfCloudPoints(100000);
>                boneActor.SetMapper(geobonemapper);
>                boneActor.GetProperty().SetColor(1,1,1);
>                boneActor.GetProperty().SetOpacity(3.0);
>                boneActor.GetProperty().SetDiffuse(0.75);
>                boneActor.GetProperty().SetSpecular(0.75);
>            //For setting Bone Colour
>
>            //For setting Skin Colour
>                vtkMarchingCubes skin = new vtkMarchingCubes();
>                skin.SetInput(dicomreader.GetOutput());
>                skin.SetValue(0, 760);
>                skin.ComputeNormalsOn();
>
>                vtkGeometryFilter geovolumeSkin = new vtkGeometryFilter();
>                geovolumeSkin.SetInput(skin.GetOutput());
>
>                vtkPolyDataMapper skinmapper = new vtkPolyDataMapper();
>                skinmapper.SetInput(geovolumeSkin.GetOutput());
>                skinmapper.ScalarVisibilityOff();
>
>                vtkLODActor actorskin = new vtkLODActor();
>                actorskin.SetNumberOfCloudPoints(100000);
>                actorskin.SetMapper(skinmapper);
>                //actorskin.GetProperty().SetColor(1, 0.547237, 0.319073);
>                actorskin.GetProperty().SetColor(100, 67, 67);
>                actorskin.GetProperty().SetOpacity( 0.5 );
>            //For setting Skin Colour
>        //for skin and bone Diagram
>
>        vtkRenderer render = new vtkRenderer();
>        vtkRenderWindow renwindow = new vtkRenderWindow();
>        renwindow.AddRenderer(render);
>
>        vtkRenderWindowInteractor renintec = new
> vtkRenderWindowInteractor();
>        renintec.SetRenderWindow(renwindow);
>
>        render.AddActor(actorskin);
>        //render.AddActor(boneActor);
>        render.SetBackground(0, 0, 0);
>
>
>        renwindow.BordersOff();
>        renwindow.FullScreenOn();
>        renwindow.SetSize(500, 500);
>        renwindow.Render();
>        render.ResetCamera();
>        renintec.Start();
>
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