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Re: ENVI batch ROI [message #31274 is a reply to message #31035]

Tue, 25 June 2002 05:54

jdvona
Messages: 6
Registered: April 2002

Junior Member

Peter,
Brilliant! Thanks so much for the help. I hope I never have to detect
multipart lines in an EVF file, I'll just buffer the lines and call it
a polygon ;}
John

"Peter Scarth" <p.scarth@gmx.net> wrote in message news:<af8vjv$2f5$1@bunyip.cc.uq.edu.au>...
> Hi John,
> I can now see what the problem is - ENVI_DEFINE_ROI does not test for
> multipart polygons. You have to work this out for yourself by adding in the
> following lines. There may be a simpler way, but this method seems to work
> with complex vegetation multipart polygons.
>
> This raises an interesting point - how can you detect multipart lines in a
> EVF?
>
> Cheers,
> Peter

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[Message index]

		ENVI batch ROI By: jdvona on Wed, 05 June 2002 08:13
		Re: ENVI batch ROI By: Peter Scarth on Mon, 10 June 2002 21:51
		Re: ENVI batch ROI By: jdvona on Wed, 19 June 2002 08:07
		Re: ENVI batch ROI By: jdvona on Tue, 25 June 2002 05:54
		Re: ENVI batch ROI By: Peter Scarth on Mon, 24 June 2002 22:36

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