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Warp <war### [at] tagpovrayorg> wrote:
> However, there are situations where you precisely *don't want* that.
> You want raw pixel values, and nothing else, as I exemplified above.
I just figured out the *perfect* example of a situation where you want
raw, linear pixel values which are *not* gamma-corrected: When you are
rendering an image which will be used as input to create a heightfield.
There 0.5 should mean exactly half height, not a height of 0.73.
clipca asked some time ago *why* one would ever want linear, uncorrected
pixel values. There you have your perfect example.
--
- Warp
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