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Marzi
02-29-2012, 09:37 AM
Dear all
I want to impllement a uniform raycasting in a selected sphere region of a volume and want to calculate the intensity of each voxel that is traversed by a ray, I 'm a biginner in programing open gl,
can any one help me how I can do it?
any help from you appreciate alot.
Best

menzel
02-29-2012, 11:47 AM
OpenGL is meant for rasterization, not raycasting.
You can, however, implement a raycaster in a fragment shader, but that would probably not the best 'hello world' to begin OpenGL programming...