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Re: Important! Regarding Objects [message #41356 is a reply to message #41353]

Tue, 26 October 2004 15:03

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Pravesh writes:

> now, i want to get the geometric area and perimeter of this region.
> How is it possible?

You could try Find_Boundary:

http://www.dfanning.com/ip_tips/boundary.html

> Moreover, is it
> necessary to use objects?

It is not "necessary", although it is often convenient.

> In that case, I am not able to initialize
> objects as it says that params x and y supplied to obj_new should have
> (2,n) or (3,n) dimensions. now, assuming image is the original image
> array and newroipixels are the locations of my roi in image. how do
> get the geom. area of my roi?

You could contour it, and use the contours as the
input to an IDLanROI object.

> Also, is it possible to output data from a program to another window.

Not with the GUI Builder, probably. :-(

Cheers,

David

P.S. Just open another window from your event handler
and dump the data into it.

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

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[Message index]

		Re: Important! Regarding Objects By: David Fanning on Wed, 27 October 2004 01:33
		Re: Important! Regarding Objects By: praveshsubramanian on Tue, 26 October 2004 20:22
		Re: Important! Regarding Objects By: David Fanning on Tue, 26 October 2004 15:03

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