[gradsusr] highlighting some basins on GrADS.

Sun Apr 23 19:45:08 EDT 2017

Hi all,

I have plotted a variable in grads for entire USA and now I want to highlight some basins in the map of USA.

but the problem is that the gridded data is in grid format and the basin's boundaries covers some portion of several grids but not all of the grids.

Can anyone advise me what can be done to highlight basins while only covering portion of the grids.

Is it possible?

TIA,

MIAH
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