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28 Dec 2024 20:15:15 EST (-0500)
  something about hdr (Message 1 to 2 of 2)  
From: CAS
Subject: something about hdr
Date: 3 Mar 2014 00:45:01
Message: <web.53141664d58db81b6a92a3a00@news.povray.org>
I would like to konw if I set the output file type of image  HDR, does it mean
the image has radiance meaning in it?"Radiance Synthetic Imaging"is HDR?


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From: Alain
Subject: Re: something about hdr
Date: 3 Mar 2014 19:13:26
Message: <53151aa6@news.povray.org>

> I would like to konw if I set the output file type of image  HDR, does it mean
> the image has radiance meaning in it?"Radiance Synthetic Imaging"is HDR?
>
>

HDR is a file type for high dynamic range images. Another is the EXR format.
In those formats, the RGB values are stored as unclipped floats.

Using those formats, it's possible for a pixel to be 1000000+ times 
brighter than another.




Alain


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