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Re: TRIANGULATE says "Points are co-linear, no solution"

Jonathan Joseph (jj@scorpio.tn.cornell.edu) writes:

> Anyway,  I *AM* running idl 5.2 (well, 5,2,1), so presumably,
> I should not have this problem.  I have created an IDL save file
> now at the same place ftp://scorpio.tn.cornell.edu/jj/idl/
> The file is called test.sav
> The following code should work:
> And by that, I mean (not work).
> At least, it causes the error listed below on my
> system (IDL 5.2.1 running on HP-UX 10.20)
> ;; restore the data
> IDL> restore,'test.sav'
> ;; create a window
> IDL> window
> ;; plot the data to see that it looks reasonable
> IDL> plot,x,y,psym=3
> ;; try to triangulate the points
> IDL> triangulate,x,y,tr,b
> % TRIANGULATE: Points are co-linear, no solution.

Ah, so much better. :-)

For what it is worth, the TRIANGULATE command works
perfectly on my Windows NT machine running IDL 5.2.1. 
Could this be an HP thing?


David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
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