POV-Ray : Newsgroups : povray.bugreports : transmit does not work with image maps : Re: transmit does not work with image maps Server Time
23 Jun 2024 06:40:12 EDT (-0400)
  Re: transmit does not work with image maps  
From: William F Pokorny
Date: 19 Apr 2024 07:27:54
Message: <6622553a$1@news.povray.org>
On 4/19/24 02:36, Thomas de Groot wrote:
> I never used that wiki example though. I wonder if that is not 
> specifically for GIF image formats only...?

You've got it Thomas. When you specify an integer rather than 'all' you 
are asking the 'filter' and 'transmit' keywords to modify an indexed 
image's filter / transmit value for a particular index 'n'. This is not 
possible with non-indexed images (probably not too, where indexes are 
out of range).

Several image formats support internal formats using indexes / tables of 
color/grey values. I'm unsure of the complete, working / supported list 
for POV-Ray? The gif format is always indexed and it's certainly one 
which works.

Bill P.

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