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Creating contour plots

Posted: 2014-11-15T08:13:03-07:00
by dodginess
Does anyone know if there are any PHP/Perl scripts that use ImageMagick or any general ImageMagick techniques that can be used to generate contour plots? The type of image I'm referring to looks like the following images:

Image

Image

Ideally the transition between the different height areas would be a gradient containing the two adjacent colors, so that it looks similar in style to the second image.

This functionality seems easy enough to find in standalone applications but I need a purely web-based solution - most of the existing solutions seem to consist of taking PS output from a standalone application and converting it with an image library, which won't work for my application.

Thanks in advance for any help or advice!

Re: Creating contour plots

Posted: 2014-11-15T10:52:20-07:00
by fmw42
Try GNUPLOT. See http://www.gnuplot.info/

Re: Creating contour plots

Posted: 2014-11-16T07:06:14-07:00
by dodginess
Thank you - I haven't used this before but I'll look into it.