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On Wed, 05 Dec 2001 22:30:42 +0100, Christoph Hormann wrote:
>
>
> Ron Parker wrote:
>>
>> I have yet to see anyone claim that anything but Photoshop has problems
>> with those file. pngtopnm certainly deals with them correctly, and if
>> anything could be expected to implement 16-bit PNGs correctly, I'd think
>> that would be it. Do you have examples of other programs that are supposed
>> to be able to read 16-bit PNGs that have a problem?
>
> Apart from all past Povray versions, all paint programs i tested that can
> read 16 bit png as 8 bit read the wrong byte and gforge/hf-lab generated
> files are the other way round too.
Past povray versions had a known bug.
Has anyone tested POVWin's 16-bit PNG output on a Mac? I seem to remember
that we did that when this first came up and it worked okay, leading me to
believe that it's all those windows apps that are broken.
--
#local R=rgb 99;#local P=R-R;#local F=pigment{gradient x}box{0,1pigment{gradient
y pigment_map{[.5F pigment_map{[.3R][.3F color_map{[.15red 99][.15P]}rotate z*45
translate x]}]#local H=pigment{gradient y color_map{[.5P][.5R]}scale 1/3}[.5F
pigment_map{[.3R][.3H][.7H][.7R]}]}}}camera{location.5-3*z}//only my opinions
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