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Re: get image data of projected scenes [message #73829]

Wed, 01 December 2010 13:19

rogass
Messages: 200
Registered: April 2008

Senior Member

On 1 Dez., 22:06, David Fanning <n...@dfanning.com> wrote:
> chris writes:
>> Hm, let's make the assumption it is a rectangle. Maybe I can get the
>> image center and pivot it 'back' using the angle between y-axis and
>> along track. What I don't know is what would be better in terms of
>> 'precision'. The grid interpolation or the pivot?
>
>> What do you mean?
>
> Mostly I mean I can't make heads or tails out of what
> you are talking about from your questions. :-)
>
> If this is a projected image, and the data you want is
> a rectangle, then there is certainly a rotation of your
> map projection that will put the rectangle in a proper
> XY coordinate system, where all of this will be very
> much easier to deal with.
>
> But I don't have any idea what we are talking about,
> so mostly I'm just waving my hands around. I've worked
> about 40 days straight, I don't want to work on my book
> today, I've answered all my mail, and I'm just fooling
> around, drinking a beer. :-)
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

Laughing out loud....

I was looking for an alternative way to perform this without having
any map info. Meanwhile, I got something to work. Thank you for
helping me.

Cheers or in German - Prost ;)

CR

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[Message index]

		Re: get image data of projected scenes By: rogass on Wed, 01 December 2010 13:19
		Re: get image data of projected scenes By: David Fanning on Wed, 01 December 2010 13:06
		Re: get image data of projected scenes By: rogass on Wed, 01 December 2010 12:42
		Re: get image data of projected scenes By: David Fanning on Wed, 01 December 2010 12:29
		Re: get image data of projected scenes By: rogass on Wed, 01 December 2010 12:14
		Re: get image data of projected scenes By: David Fanning on Wed, 01 December 2010 11:50

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