Re: write_ppm (newbie)

[Alex Schuster <alex(at)pet.mpin-koeln.mpg.de>]

Craig John Wallace wrote:

> Trouble is this only seems to write is as a gray-scale image, and if I
> try....
> 
> write_ppm,filename, tvrd(),r,g,b
> 
> (having done tvlct,/get,r,g,b)
> 
> ..IDL won't have it, as there are the incorrect number of arguements
> following the function. How can I get a color ppm?

You need to give write_ppm a true-color image:

write_ppm, filename, tvrd( true=1 ) (or maybe true=3)

        Alex
-- 
  Alex Schuster     Wonko@weird.cologne.de          PGP Key available
                    alex@pet.mpin-koeln.mpg.de