Ralph Smith wrote:
> 
> I don't understand."image.pov created image.bmp. Image.pov contains
> 
> global_settings {
> 	assumed_gamma 2.2
> 	hf_gray_16
> }
> 
> There is no image.tga.

You can find how to specify the file format to generate on

http://www.povray.org/documentation/view/3.6.1/219/

> But I would still like to be able to create hf_gray_16 files externally. It sounds
like the format
> of such .tga files might not be documented.

You can find the file format specifications for PGM on:

http://netpbm.sourceforge.net/doc/pgm.html

I would be really astonished if you could find a similarly complete 
specification for the BMP format.  As i have said a lot recently using 
BMP as an image file format is rarely a good idea (no matter if for 
renders or for heightfield data).

Christoph

-- 
POV-Ray tutorials, include files, Landscape of the week:
http://www.tu-bs.de/~y0013390/ (Last updated 01 Jul. 2005)
MegaPOV with mechanics simulation: http://megapov.inetart.net/

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