d-changing" functions; the output grid is different from the input arguments. Therefore it is best to use explicit limits on the first argument rather than a a SET REGION command. See the discussion of <a href="../variables-xpressions/XPRESSIONS.html#_VPINDEXENTRY_306" title="3.2 EXPRESSIONS">grid-changing functions</a>.</p>
<p align="left">The XPTS, YPTS, TPTS values must be in the same units as the coordinate axes of the variable DAT_TO_SAMPLE.</p>
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