"Jim Holsenback" <jho### [at] povrayorg> schreef in bericht 
news:4b4f4fe9@news.povray.org...
> "Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote in message 
> news:4b4f158e$1@news.povray.org...
>> The answer is yes. With a JPEG image called by the function, the 
>> discrepancy happens too. Again, this can be corrected by adding 
>> file_gamma 1.0
>
> looks around ... wonders if someone is capturing this stuff to be added to 
> the documentation.
> not to subtle ... eh?

Oh dear... I am willing to do that of course, concerning height_fields. I 
prefer to leave the gamma stuff to those who know what they are talking 
about.. I shall have first to familiarize myself (again) with wiki 
editing... :-)

Concerning the topic, I am (still) surprised and confused about the whole 
issue. I confess that I don't understand at all why or how this gamma stuff 
influences on height_field maps, whatever the image format, and why there is 
no issue with image_maps used directly in a height_field and not called by a 
function. I think that explanation would also be needed in the docs....

Thomas

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