POV-Ray: Newsgroups: povray.advanced-users: HDR images as functions: is this right?: Re: HDR images as functions: is this right?

POV-Ray : Newsgroups : povray.advanced-users : HDR images as functions: is this right? : Re: HDR images as functions: is this right?		Server Time 28 Sep 2024 06:10:58 EDT (-0400)

From: stbenge
Date: 27 Jan 2011 15:20:59
Message: <4d41d3ab$1@news.povray.org>

On 1/27/2011 11:47 AM, Alain wrote:
> A factor of only 255 seems like very small, given that you can easily
> find HDR images with a range of 50 000:1 and more.
> If the Sun does show in the image and you have dark details in deep
> shadows, the range can easily shoot past 1 million to 1.

So, what would be a safe value to use? I heard that HDR images support 
32 bits for each color channel. So a value of 4,294,967,295 would work, 
right?

Sam

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