Hi vtkusers,<br><br>I wrote a GPU Raycasting mapper derived from vtkVolumeMapper based on the framework of the paper:<br><br>[SSKE05] S. Stegmaier, M. Strengert, T. Klein, and T. Ertl. <a href="http://www.vis.uni-stuttgart.de/ger/research/pub/pub2005/vg2005-stegmaier.pdf">A Simple and Flexible Volume Rendering Framework for Graphics-Hardware-based Raycasting</a>, Proceedings of Volume Graphics 2005, Stony Brook, New York, USA, pp.187-195, 2005 <br><br>I wrote the code following the vtkVolumeTextureMapper3D style. I still have problems about this mapper. It seems that the pipeline dosenot execute the Render() method in my derived mapper. I want to know how the rendering pipeline is executed in a vtkVolumeMapper. Could anyone help me and figure out my mapper? Thanks!<br><br>Oli<br><br>glutSwapBuffers();<br><br> <br><p> 
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