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Re: Free-hand ROIs using DRAW_WIDGET [message #26662 is a reply to message #26642]

Wed, 19 September 2001 21:39

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Andre Kyme (nak@imag.wsahs.nsw.gov.au) writes:

> Cannot see how to use the event-generating options provided by
> WIDGET_DRAW in order to draw a free hand ROI.
> If I could interrupt motion events I can do it, but I can't stop motion
> events once they are going!

Here is an article on this very subject, with the
event handler for the draw widget heavily documented. :-)

http://www.dfanning.com/tips/line_on_image.html

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]

		Re: Free-hand ROIs using DRAW_WIDGET By: Liam E. Gumley on Thu, 20 September 2001 10:59
		Re: Free-hand ROIs using DRAW_WIDGET By: David Fanning on Wed, 19 September 2001 21:39
		Re: Free-hand ROIs using DRAW_WIDGET By: Andrew Cool on Wed, 19 September 2001 20:08

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