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My question is the same as the one asked here How can I use python in Blender Game Engine (2.5+) to save the depth buffer AND the color buffer to file every frame?. The post gives the function (BGL.glReadPixels) required to obtain the depth buffer. However, I am not able to create a minimal working example (I am very new to blender and 3D programming in general). What I have so far is that I need to perform following steps:

  1. allocate memory for z-buffer
  2. Render depth using shader
  3. call BGL.glReadPixels

I am not able to do these steps in pyhon due to my limited knowledge of blender. Any pointers/help is greatly appreciated.

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I think I need the Blender compiled as python module for this. The blender distribution on Ubuntu doesn't seem to contain this. I tried compiling it but it is not working. – Sandeep Dec 6 '12 at 12:04

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