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Re: Data coordinate system established? [message #31145] Mon, 10 June 2002 06:38
Wonko[2] is currently offline  Wonko[2]
Messages: 6
Registered: March 2002
Junior Member
GuidoVent@web.de (Guido Vent) wrote:

> how can I determine if a data coordinate system is already
> established, so that I can use CONVERT_COORD() without an error
> message?

I think this will work:

is_established = ( !x.crange[0] ne 0.0 or !x.crange[1] ne 0.0 )


Alex
--
Alex Schuster Wonko@netcologne.de PGP Key available
alex@pet.mpin-koeln.mpg.de

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