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Re: is-it possible to extract multiple profiles on multiple images from shape files [message #67629 is a reply to message #67628]

Thu, 20 August 2009 10:41

yoann06
Messages: 6
Registered: August 2009

Junior Member

On Aug 20, 6:08 pm, David Fanning <n...@dfanning.com> wrote:
> 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.")
dear david,
I saw your methode but I wasn't sure : I thought that the
interpolation induced
that some values are not true but are interpolated values..
I am wrong are not? because if your method really extract each values
of each pixel along the profil I am going to try to use this.

Yoann

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[Message index]

		Re: is-it possible to extract multiple profiles on multiple images from shape files By: yoann06 on Thu, 20 August 2009 11:20
		Re: is-it possible to extract multiple profiles on multiple images from shape files By: David Fanning on Thu, 20 August 2009 10:53
		Re: is-it possible to extract multiple profiles on multiple images from shape files By: yoann06 on Thu, 20 August 2009 10:47
		Re: is-it possible to extract multiple profiles on multiple images from shape files By: yoann06 on Thu, 20 August 2009 10:41
		Re: is-it possible to extract multiple profiles on multiple images from shape files By: yoann06 on Thu, 20 August 2009 08:54

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