I have been trying to get pixel by pixel depth data out of a .exr file. I am using blender and rendering with Lux Render. I need to get pixel by pixel depth data, and have read that if I use the z-buffer in blender and render, then save it as a .exr file from Lux Render, there should be pixel by pixel depth data in the .exr file. However, I have not been able to read the .exr. I have access to Matlab. Can anyone help me with this?
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$\begingroup$ I'm voting to close this question as off-topic because it's about Lux render. $\endgroup$– someonewithpcMay 26, 2016 at 17:49
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2$\begingroup$ @someonewithpc luxrender is also an add-on. It will allow you to use luxrender as render engine in blender... I think it on-topic... $\endgroup$– user1853May 26, 2016 at 18:02
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1$\begingroup$ Yes, external renderers with Blender integration are ON topic. meta.blender.stackexchange.com/questions/672/… $\endgroup$– MattMay 26, 2016 at 18:35
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1 Answer
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Enable the Z buffer on the output settings:
To check if the Z buffer is correctly rendered, you can load the OpenEXR file in the compositor and add a normalize node to visualize the Z-channel:
