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Re: call ENVI menu routines [message #72611 is a reply to message #72605]

Wed, 22 September 2010 15:07

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Maxwell Peck writes:

> David,
>
> Not to sound like a marketing rep for ITT but I do sometimes think
> ENVI is often overlooked by the remote sensing IDL community in
> general. Yes it is more expensive but how much is ones time worth? A
> lot of the pain in the neck tasks you need to code in IDL (map
> projections, file i/o etc) are one liners in ENVI and can be coded
> generically for use with any dataset quickly.

I suppose, although I never found it particularly intuitive
to use. And I found it extremely difficult to learn to use
the functionality on my own without someone to show me the
ropes. And the one thing I needed to do DAILY (put continental
outlines and grids on map projected images) seemed to take
days and weeks in ENVI. Well, maybe not days and weeks, but
putting continental outlines on an image of the sort we are
talking about today, would take on the order of minutes in
ENVI. Believe me, you never wanted to resize the image!

(We showed this to an ENVI rep who was visiting, and he
didn't know anything about it. Apparently, putting continental
outlines on images is not something that is done by the remote
sensing community. Go figure.)

> Tiling and tiled
> routines also let you use massive images efficiently without having to
> stuff around.

This is *certainly* true! Why aren't these routines available
in IDL? As a marketing tool verses MatLab, it would be
invaluable.

> I do tend to find its quicker to code something quickly
> that you can be reasonable confident is correct.

Probably why I stick with IDL and its direct graphics. ;-)

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: call ENVI menu routines By: David Fanning on Thu, 23 September 2010 05:35
		Re: call ENVI menu routines By: Maxwell Peck on Thu, 23 September 2010 01:23
		Re: call ENVI menu routines By: David Fanning on Wed, 22 September 2010 15:07
		Re: call ENVI menu routines By: Maxwell Peck on Wed, 22 September 2010 14:44
		Re: call ENVI menu routines By: David Fanning on Wed, 22 September 2010 11:55
		Re: call ENVI menu routines By: David Fanning on Wed, 22 September 2010 11:45
		Re: call ENVI menu routines By: rogass on Wed, 22 September 2010 11:39
		Re: call ENVI menu routines By: Mort Canty on Wed, 22 September 2010 11:17
		Re: call ENVI menu routines By: David Fanning on Wed, 22 September 2010 09:38

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