[idvusers] Contours on point data

I have data that consists of latitude, longitude and a value in a text
file.  Is it possible for me to generate a display that doesn't show the
locations, but draws contour lines based on this data?


Andy Holland
Air Quality Modeler
URS Corporation
1600 Perimeter Park Drive
Suite 400
Morrisville, NC 27560
Direct: (303) 796-4694 or (919) 461-1467
Cell: (919) 619-4218
Fax: (919) 461-1415

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