[Forgot to CC list]

Lubos Vrbka writes:
 > hi,
 > 
 > i'm currently looking for plotting software capable of producing 3d 
 > graphs...
 > 
 > it should be robust as my data are quite large... and capable of 
 > importing raw text data (2> MB text files with approx. 350 columns and 
 > thousand(s) of lines)
 > 
 > it would be fine if it could
 >    1) colour the points of the graph according to its value (i.e. 
 > something like the "temperature scale"). is something like this 
 > available in pkgsrc?
 >    2) allow rotation of the graph
 > 
 > 
 > what would you recommend?
 > 

I recommend pkgsrc/graphics/GMT. It's a very powerful system, and can
do all of the things you mention.

It produces output in encapsulated PostScript which you can further
process into other formats using the ImageMagick `convert' program
(pkgsrc/graphics/ImageMagick).

Regards,
Jason