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Re: Image Warp Success? [message #69816 is a reply to message #69730]

Wed, 10 February 2010 09:22

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

> Whoa! About 10 seconds after I sent this message I just
> FINALLY understood how MAP_PROJ_IMAGE works! Don't read
> the documenation, you will be plenty confused. Read my
> article as soon as I get it written. This routine is
> not too bad, once you understand how to use it. :-)

I note this morning that the MAP_PROJ_IMAGE on-line
help on my Windows machine is different (and a LOT more
accurate) than the on-line help on my LINUX machine.
The LINUX IDL version is IDL 7.0.2 and the Windows
version is 7.1.2. So, I guess ITTVIS has noticed
the deficiency and have taken steps to fix it.

In particular, this paragraph has been added to the
description of the range parameter:

If you are warping Image from one map projection to
another (that is, if you provide a value for the
IMAGE_STRUCTURE keyword), then Range is a four-element
array specifying the Cartesian (UV) range. In this case,
Range must be provided and has the format
[Umin, Vmin, Umax, Vmax].

This is the essential piece of information that I
stumbled onto yesterday and which is needed to make
this work properly.

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: Image Warp Success? By: David Fanning on Tue, 09 February 2010 13:38
		Re: Image Warp Success? By: David Fanning on Tue, 09 February 2010 13:35
		Re: Image Warp Success? By: penteado on Tue, 09 February 2010 13:16
		Re: Image Warp Success? By: David Fanning on Tue, 09 February 2010 12:52
		Re: Image Warp Success? By: philipelson on Tue, 09 February 2010 04:12
		Re: Image Warp Success? By: David Fanning on Mon, 08 February 2010 13:25
		Re: Image Warp Success? By: Maxwell Peck on Mon, 08 February 2010 12:43
		Re: Image Warp Success? By: David Fanning on Wed, 10 February 2010 09:22

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