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Re: SHAPEFILE changes in IDL7.1? [message #68886 is a reply to message #68884]

Mon, 30 November 2009 10:14

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Brian McNoldy wites:

> I've been a happy user of David Fanning's DRAWSTATES routine for years
> -- it allows you to easily plot various datasets in a shapefile
> (states, counties, roads, lakes, etc from just about any shapefile you
> find online). I recently upgraded to v7.1 and although it still
> works, a basic call to it takes about 4 minutes instead of being
> virtually instantaneous. I'm wondering if anyone else has come across
> something like this. I'm on Linux (CentOS5) and using IDL 7.1... it
> was not an issue in 7.0 and earlier. Maybe it was a change in the
> DLM?

Oh, oh. Sounds like they switched to the algorithm they
use in ENVI. :-(

I don't have time today to investigate, but I'll look into
it tonight. Can you give more details? Are you drawing this
on a map projection, etc.?

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thue. ("Perhaps thos speakest truth.")

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[Message index]

		Re: SHAPEFILE changes in IDL7.1? By: Brian McNoldy on Tue, 01 December 2009 16:25
		Re: SHAPEFILE changes in IDL7.1? By: David Fanning on Mon, 30 November 2009 17:24
		Re: SHAPEFILE changes in IDL7.1? By: David Fanning on Mon, 30 November 2009 12:10
		Re: SHAPEFILE changes in IDL7.1? By: Brian McNoldy on Mon, 30 November 2009 11:44
		Re: SHAPEFILE changes in IDL7.1? By: Brian McNoldy on Mon, 30 November 2009 10:31
		Re: SHAPEFILE changes in IDL7.1? By: David Fanning on Mon, 30 November 2009 10:14

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