comp.lang.idl-pvwave archive: archive » Re: Extracting ROI without IDL objects is it possible

Home » Public Forums » archive » Re: Extracting ROI without IDL objects is it possible

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Extracting ROI without IDL objects is it possible [message #37727 is a reply to message #37719]

Thu, 22 January 2004 09:12

Nuno Oliveira
Messages: 75
Registered: October 2003

Member

Thanks, there's a lot of stuff for me to read. The question about cw-defroi
is that I don't know if I have time to make my own ROI tool (despite the
fact that I didn't see your tips about it yet)

I'm going to take a look.

Cheers,

Nuno.

"David Fanning" <david@dfanning.com> wrote in message
news:MPG.1a79a946edfa3dc49897ad@news.frii.com...
> Nuno Oliveira writes:
>
>> I'm having a little trouble with extracting ROI with IDL. I'm trying to
make
>> a little application for temporary use while I don't learn how to manage
>> IDLanROI objects.
>
> You will be MILES ahead if you give up on CW_DEFROI and learn
> to write your own ROI tool:
>
> http://www.dfanning.com/widget_tips/line_on_image.html
>
> What you want are the points that describe the ROI polygon,
> not the pixel indices of the pixels inside the ROI.
>
> If you HAD to use CW_DEFROI for some reason (your Internet
> connect to my web page was broken, for example) you could
> use Find_Boundary to recover the points on the boundary of
> your ROI:
>
> http://www.dfanning.com/programs/find_boundary.pro
>
> Then, you could just plot these boundary points with PLOTS
> right on top of your image.
>
> Cheers,
>
> David
> --
> David W. Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> 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

Report message to a moderator

[Message index]

		Re: Extracting ROI without IDL objects is it possible By: Bruce Bowler on Thu, 22 January 2004 11:20
		Re: Extracting ROI without IDL objects is it possible By: Nuno Oliveira on Thu, 22 January 2004 09:12
		Re: Extracting ROI without IDL objects is it possible By: David Fanning on Thu, 22 January 2004 08:33
		Re: Extracting ROI without IDL objects is it possible By: David Fanning on Thu, 22 January 2004 12:17

Previous Topic:	Re: Strange widget_info(FIND_BY_UNAME...) results
Next Topic:	Limiting the number of VM instances

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 08:53:08 PDT 2025

Total time taken to generate the page: 6.40195 seconds