Re: TriGrid?

[marc schellens <marc(at)postman.riken.go.jp>]

"John D. Sample" wrote:
> 
> This built-in procedure seems to have a bug when regularly gridded data
> is passed in.
> 
> I'm trying to create a generic graphing routine which accepts regularly, or
> irregularly-gridded data, so I run every thing through TRIANGULATE followed
> by TRIGRID, and frequently find the x or y values set to zero on the borders
> of the plot region.  Randomly changing NX or NY seems to be a manual
> work-around.
> 
> Any similar experiences or suggestions?
> 
> Chip Sample

I made similar experience, but in my case the triangulate routine works
wrong. And as only solution I add some random values to x and y
parameters. 
With some data the triangulate routine even stops the whole idl session
(no Ctrl-C).
 
greetings,
:-) marc