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As reported in p.g, POV-Ray 3.5 does not read PPM files properly.
The proper format is
P6
width height
max_value
data
The POV reader expects the max_value on the same line as the width and
height. If you don't want to patch POV-Ray, you can edit the PPM files
to make them work in POV.
Here's a patch to fix it. I only spent a short time on this, so it's
probably still broken but it loads the files that I've tried.
--
PoD.
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PoD wrote:
>
> As reported in p.g, POV-Ray 3.5 does not read PPM files properly.
> The proper format is
> P6
> width height
> max_value
> data
>
Just for the record, the only rule for spacing in the header of a ppm is
that between the values there is one or more whitespace (before the data
in binary ppm's only one whitespace is allowed).
Concerning your patch - i have not tested it but i never had problems
reading ppm's with POV-Ray.
Christoph
--
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 31 Dec. 2002 _____./\/^>_*_<^\/\.______
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On Sat, 25 Jan 2003 13:30:59 +0100, Christoph Hormann wrote:
>
>
> PoD wrote:
>>
>> As reported in p.g, POV-Ray 3.5 does not read PPM files properly. The
>> proper format is
>> P6
>> width height
>> max_value
>> data
>>
>>
> Just for the record, the only rule for spacing in the header of a ppm is
> that between the values there is one or more whitespace (before the data
> in binary ppm's only one whitespace is allowed).
But most if not all PPMs use the above format, possibly with comments as
well.
>
> Concerning your patch - i have not tested it but i never had problems
> reading ppm's with POV-Ray.
>
That's odd because the ppm code in 3.5a does not read normal PPM files.
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I just looked at the code again, I'll change the code to skip all
white space and comments.
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PoD wrote:
>I just looked at the code again, I'll change the code to skip all
>white space and comments.
man ppm says that:
- Whitespace (blanks, TABs, CRs, LFs).
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