I'd like to do pm3d splots of datafiles using three columns for x, y, z
and a fourth column for the color at that point.
Can gnuplot do that without first pre-processing the data into datablocks?
If not, what should the files look like to specify a colour independent of
the third (aka z) column?
James Cloos <cloos@...> OpenPGP: 1024D/ED7DAEA6