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Re: IDL projections (MAP_PROJ_IMAGE) and ENVI projections, Select spatial substets of images [message #71312 is a reply to message #71204]

Tue, 08 June 2010 06:20

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

sh writes:

> The image was flipped horizontally and I just changed this at TV not
> before I'm reprojecting the image!!

Ah, yes. Flipping images (I always use REVERSE rather than
!ORDER or absolute chaos ensues) is just something I've
learned to do always. I don't even think about it any more,
and often forget I have done it. Mapping *always* means the
(0,0) location is in the upper-left corner. This is just
something you have to memorize in IDL, like COLUMN-row.

Cheers,

David

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

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[Message index]

		Re: IDL projections (MAP_PROJ_IMAGE) and ENVI projections, Select spatial substets of images By: d.poreh on Mon, 07 June 2010 05:06
		Re: IDL projections (MAP_PROJ_IMAGE) and ENVI projections, Select spatial substets of images By: David Fanning on Mon, 07 June 2010 04:59
		Re: IDL projections (MAP_PROJ_IMAGE) and ENVI projections, Select spatial substets of images By: sh on Mon, 07 June 2010 01:50
		Re: IDL projections (MAP_PROJ_IMAGE) and ENVI projections, Select spatial substets of images By: David Fanning on Tue, 08 June 2010 06:20
		Re: IDL projections (MAP_PROJ_IMAGE) and ENVI projections, Select spatial substets of images By: sh on Tue, 08 June 2010 06:13

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