Hi Thanasis, You can use the standard VECTOR command, once you have the data in Ferret and on a grid. Do your x,y values describe a grid? If so, you need to start by reading the sections in the Ferret Users Guide, under the index heading "ASCII data, accessing" which points to Chapter 2, Section 5. If your data is not on a grid, you can read in the data as in the section "ASCII data, reading delimited", then define a grid of your own to use, and use one of the the SCAT2GRID functions to put it onto a grid. Ansley Manke Thanasis Pritsivelis wrote:
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