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Re: pixel value to x and y position [message #67509 is a reply to message #67507]

Thu, 30 July 2009 06:25

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

mark nolan writes:

> can anyone check if this is correct way to convert pixel value to x
> and y position (iam trying
> to write a simple tracking code in IDL):
>
> y = pixel_value/width_picture
> x = pixel_value mod width_picture
>
> i really have time on the x,it gives a wrong result. i think i got the
> y coordinate correctly.

I don't think this question can be answered from the way
you have asked it. (At least I would have to make WAY
too many assumptions to feel comfortable answering it.)
What, exactly, are you trying to do?

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.")

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[Message index]

		Re: pixel value to x and y position By: marknolan2006 on Thu, 30 July 2009 18:13
		Re: pixel value to x and y position By: cgguido on Thu, 30 July 2009 08:53
		Re: pixel value to x and y position By: David Fanning on Thu, 30 July 2009 08:51
		Re: pixel value to x and y position By: marknolan2006 on Thu, 30 July 2009 07:21
		Re: pixel value to x and y position By: David Fanning on Thu, 30 July 2009 06:25
		Re: pixel value to x and y position By: MichaelT on Thu, 30 July 2009 05:18
		Re: pixel value to x and y position By: marknolan2006 on Fri, 31 July 2009 00:45

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