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Re: cursor in object-oriented graphics [message #77349 is a reply to message #77337]

Sun, 21 August 2011 20:11

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Russell writes:

> Hi, I'm building a GUI which overlays some number of ROIs over an
> image. Since I want the User to move, rescale, rotate, and delete
> these regions, all of the graphics and handled using the object-
> oriented graphics. But now I want to move the cursor around the image
> programmatically --- for example, have the user press the arrow keys
> and the cursor moves accordingly. I've tried the cursor.pro routine,
> but that only seems to work in direct-graphics mode. Does anyone have
> any suggestions for doing this in object-oriented mode?

I am unaware of any method to programmaticaly move the cursor
in object graphics.

But, I guess the good news is that moving, scaling, rotating,
and deleting ROIs can also be done in direct graphics, as
an application like AnnotateWindow demonstrates:

http://www.idlcoyote.com/catalyst/annotate.html

Cheers,

David

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

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[Message index]

		Re: cursor in object-oriented graphics By: David Fanning on Mon, 22 August 2011 19:55
		Re: cursor in object-oriented graphics By: Russell[1] on Mon, 22 August 2011 19:22
		Re: cursor in object-oriented graphics By: David Fanning on Sun, 21 August 2011 20:11

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