What is ppm

Further to my questions about HP RTL, etc., one thing - what is 'ppm' - I
assume so format but for what - is there any spec. for it obtainable by
anon. ftp ?

Well, it MEANS portable pix map and is supposed to be a public domain
standard for raster images. The original utilities that come with GRASS
like ppmtopcx etc. come from Jeff Poskanzer. Maybe someone here knows
where to reach him.

Philip Verhagen

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