Thanks for your explanation but it is still not clear to me. I tried your way but it is showing an error **ERROR: illegal limits: Z limits of data and depth fields must match.
sh gr slope[d=1], NEUTRALRHO[d=2] GRID GRC1 name axis # pts start end subset LONGITUDE LONGITUDE 360mr 20.5E 19.5E(379.5) full LATITUDE LATITUDE 145 r 64.5S 79.5N full AXDEN Z 118 r 16.81
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REGARDS
Saurabh Rathore
Research Scholar (PhD.)
Centre For Oceans, Rivers, Atmosphere & Land Science Technology