Questions tagged [volume-rendering]

14 questions
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volume raymarching - aligning sample coords with the 3d texture

I'm implementing a volume raymarcher and the unlit basic version seems to be working fine. This article helped a ton grokking the view-to-volume-space transform: http://www.lebarba.com However, it quickly gets ugly when reducing the ray step count…
Jakob
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How to visualize density data as volume using OpenGL?

I have a CT scan of a portion of a human body, with each point describing density. The data file provides X, Y, Z, and density values. I want to know how to visualize this data, using OpenGL or a library based on OpenGL.