[vtkusers] vtkX3DExporter

[Sebastien Jourdain]

I think the X3d exporter only export surface mesh and not volume rendered
data.



On Mon, Dec 9, 2013 at 1:34 AM, Emptystack <wulihouxiaoshuai at 163.com> wrote:

> Hello,everyone! I want to export the MIP volume rendering to a X3D file,but
> something unexpected happened.The bug is "vtkX3DExporter (05C64BA0): no
> actors found for writing X3D file." But from the
> following code,we can see that I attach the volume to the render. I don't
> know where I am wrong,
> could anyone give me some help?
>
> Many thanks!
>
>
>
> int main( int argc, char *argv[] )
> {
>         vtkRenderer *renderer = vtkRenderer::New();
>
>
>         vtkRenderWindow *renWin = vtkRenderWindow::New();
>         renWin->AddRenderer(renderer);
>
>         vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
>         iren->SetRenderWindow(renWin);
>
>         vtkDICOMImageReader*reader=vtkDICOMImageReader::New();
>         reader->SetDirectoryName("D:/image/CT");
>         reader->Update();
>
>         vtkColorTransferFunction*
> colorTransforFunction=vtkColorTransferFunction::New();
>         colorTransforFunction->AddRGBSegment(0,1,1,1,255,1,1,1);
>
>         vtkPiecewiseFunction* opacityFun=vtkPiecewiseFunction::New();
>         opacityFun->AddSegment(-3024,0,1694,1);
>
>         vtkVolumeProperty* volumeProperty=vtkVolumeProperty::New();
>         volumeProperty->SetColor(colorTransforFunction);
>         volumeProperty->SetScalarOpacity(opacityFun);
>         volumeProperty->SetInterpolationTypeToLinear();
>
>         vtkGPUVolumeRayCastMapper* mapper=vtkGPUVolumeRayCastMapper::New();
>         mapper->SetInput(reader->GetOutput());
>         mapper->SetBlendModeToMaximumIntensity();
>         mapper->Update();
>
>         vtkVolume* volume=vtkVolume::New();
>         volume->SetMapper(mapper);
>         volume->SetProperty(volumeProperty);
>
>      renderer->AddVolume(volume);
>
>
>
>   renWin->Render();
>
>
>   vtkX3DExporter *exporter = vtkX3DExporter::New();
>   exporter->SetInput(renWin);
>   exporter->SetFileName("testX3DExporter.x3d");
>   exporter->Update();
>   exporter->Write();
>
>   iren->Start();
> }
>
>
>
> --
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