[vtkusers] Volume Rendering in iOS

[Aashish Chaudhary]

What version of VTK are you using?

- Aashish

On Tue, Nov 3, 2015 at 1:17 PM, YassminAbdallah <yassminabdallah at gmail.com>
wrote:

>
> hello,
>
> i trying to  run  volume rendering example in iOS using DICOM images, but i
> get those errors,
>
> ERROR: In
>
> /Users/Yassmin/desktop/VTKBin/VTK/Rendering/OpenGL2/vtkOpenGLPolyDataMapper2D.cxx,
> line 850
> vtkOpenGLPolyDataMapper2D (0x7fae62e6d7f0): failed after RenderOverlay 1
> OpenGL errors detected
>  0 : (1286) Unknown error
>
>
> ERROR: In
> /Users/Yassmin/desktop/VTKBin/VTK/Rendering/OpenGL2/vtkTextureObject.cxx,
> line 1485
> vtkTextureObject (0x7fae62e6c120): failed at glTexImage2D 1 OpenGL errors
> detected
>  0 : (1282) Invalid operation
>
>
> ERROR: In
> /Users/Yassmin/desktop/VTKBin/VTK/Rendering/OpenGL2/vtkTextureObject.cxx,
> line 554
> vtkTextureObject (0x7fae62e6c120): failed at glBindTexture(0) 1 OpenGL
> errors detected
>  0 : (1286) Unknown error
>
>
>
> and here is sample code,
>
>
> vtkNew<vtkOpenGLGPUVolumeRayCastMapper> volumeMapper;
> vtkNew<vtkDICOMImageReader> reader ;
> reader->SetDirectoryName("Users/Yassmin/Desktop/sample");
> reader->Update();
> double range[2];
> reader->GetOutput()->GetPointData()->GetScalars()->GetRange(range);
> volumeMapper->SetInputConnection(reader->GetOutputPort());
>
>
> Thanks in advance
>
>
>
>
> --
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-- 



*| Aashish Chaudhary | Technical Leader         | Kitware Inc.            *
*| http://www.kitware.com/company/team/chaudhary.html
<http://www.kitware.com/company/team/chaudhary.html>*
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