[Plplot-general] Plotting matrix into png raster file

[José L. G. P. <jgp...@gm...>]

Hello,
I need to plot some information from C language and I have found
PLplot. In GNU Octave and MatLab when I have a matrix of data
representing an image I can plot it with the command 'imagesc()' and I
can put a color scale in the plot with the command 'colorbar()'. Then
I can export into a file via the 'print()' command. But now I need to
do the same but from a C code. I have a C matrix (double** array)
containing altitudes of points for a regular grid of x,y coordinates.
Can I do the plot with PLplot and export the result as a *.png file?
Can anyone show me any code for similar task? I have the data matrix
(only one matrix, no red, blue, green components), but I want some
coloured scale. Can I do that with PLplot? If PLplot can't do that,
exists any C free software library to do?

Thanks

-- 
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José Luis García Pallero
jgp...@gm...
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Use Debian GNU/Linux and enjoy!
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