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how to plot the data of a 2D array with Z values as color [message #70123] Thu, 18 March 2010 09:33 Go to previous message
clément mayet is currently offline  clément mayet
Messages: 8
Registered: March 2010
Junior Member
Hi all,

I would like to plot a map from a twoD array. My array contains Z
values and the X,Y index corresponds to latitude/longitude. I use the
CONTOUR procedure like this:

MAP_SET,/MERCATOR, /GRID, /NOERASE, /ISOTROPIC, LIMIT=limit
CONTOUR, Z, lon, lat

My question is : is there a simplest way to do that ( I mean directly
associate a color to the Zvalue, without calculating the contours,
which can be quite long for large arrays)

Thanks for your help
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