| Re: [IDL 6.2 with ENVI 4.2] is-it possible to extract multiple profiles on multiple images from shape files [message #67635] |
Thu, 20 August 2009 09:08 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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yoann06 writes:
> I am a new member of this group, I come from france, and I am a new
> user of IDL too.
>
> firstly, I would like to say hello to everyone, and thanks those who
> are going to help me.
> I have a problem with a program I try to make without any solution for
> me.
> I have 5 profiles in ".shape" format (that I can convert to .evf
> without any problem), and I have 16 images. what I want to do is to
> extract all the values along each profile in each images. I tried with
> the "PROFILE" function in IDL but I can't use the profil that I
> allready have in my possesion.
> my question is does anyone allready make this kind of task and if yes
> could you give to me some advises to reach my goal.
I'm not sure about ENVI, but here is how I would
extract such a profile from an image in IDL:
http://www.dfanning.com/ip_tips/image_profile.html
Note that the method will apply to curved or jointed
lines as well as straight-line profiles.
Cheers,
David
--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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