L. Miguel Bazdresch Sierra wrote:
Marcus Leech, el 11/29/06 22:12:
I have some X,Y,Z data that I want to turn into a gray or colour
mapped contour plot.
The data aren't necessarily gridded, so I need interpolation.
I'm a newbie to Octave/Matlab, and could use a hint.
I've played with contourf(), which I can make work for functions, but
I need to load external data that is
organized as columns of X,Y,Z in ascii.
For cases like this, I prefer to plot straight in gnuplot instead of
going through octave. There are some examples here:
For what it's worth, I've found a tool called "grace"
(plasma-gate.weizmann.ac.il/Grace/) to be really useful. It seems to be
more flexible than gnuplot, and has both a WYSIWYG graphical interface
and a batch-driven one. With a little ugly perl wrapped around the
batch function, I've been able to automate the production of nice
looking graphs for my web site.
John
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