I think he wants something like this.

geographyfieldwork.com/TriangularGraph.gif

Barb

"Bernard Liengme" wrote in message
...
Would you like to give examples of some data?
--
Bernard V Liengme
www.stfx.ca/people/bliengme
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"Al" wrote in message
...
Can someone point me to a routine that will plot my data
on triangulat coordinates?

TIA

AL