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Re: changing the color map without having to re-load an image [message #30048 is a reply to message #29977]

Wed, 03 April 2002 17:09

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Stein Vidar Hagfors Haugan (shaugan@esa.nascom.nasa.gov) writes:

> Yes, brave new world and all that. Wonderful progress we've had, when
> you can no longer interactively modify and view the results of color
> table changes without making or using a full-fledged
> application... Sort of takes the I out of IDL, as I've said a few
> times before. But I guess astronomers & fellow tinkerers are not the
> main group of customers - if we had been, a proper system would have
> been worked out (i.e. for any direct graphics window, you can
> associate a certain color table, which you can modify independently of
> the others. They do it in object graphics, but those are not really
> something you'd like to play with from the IDL> prompt directly ;-)

Hell, I routinely write 500+ lines of object graphics
code in the built-in IDL editor:

IDL> .run
IDL> - myplot = Obj_New('IDLgrPlot', data)
IDL> - etc
IDL> END

:^)

> By the way, on my system (1) I *can* do what you want (with some
> pointing and clicking in the display windows after startind xloadct),
> so it is quite platform/visual dependent.

Yes, the DirectColor visual is suppose to give you the
best of both worlds. And I've actually seen it running
correctly....once. :-)

Cheers,

David
--
David W. Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		changing the color map without having to re-load an image By: msauvage on Wed, 03 April 2002 01:12
		Re: changing the color map without having to re-load an image By: msauvage on Thu, 04 April 2002 02:19
		Re: changing the color map without having to re-load an image By: David Fanning on Wed, 03 April 2002 17:09
		Re: changing the color map without having to re-load an image By: Karl Schultz on Wed, 03 April 2002 07:51

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