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Re: How to find the pixel position [message #70682 is a reply to message #70640]

Thu, 29 April 2010 08:18

jeanh
Messages: 79
Registered: November 2009

Member

On 29/04/2010 2:40 AM, sid wrote:
> Hi,
> I did like this
> raw=readfits('filename.fits')
> b=where(raw eq 2832.90)
> I know that it occurs at raw(5,5)
> so now if I do
> print,b
> it should print 5,

on top of what the other have said, b should not be equal to 5.
It should be equal to 5 * dim_X + 5
So if your image is 100*100, the index of position 5;5 is 505

Jean

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[Message index]

		How to find the pixel position By: sid on Mon, 26 April 2010 22:16
		Re: How to find the pixel position By: Aram Panasenco on Thu, 29 April 2010 12:46
		Re: How to find the pixel position By: sid on Thu, 29 April 2010 23:30
		Re: How to find the pixel position By: Aram Panasenco on Thu, 29 April 2010 11:42
		Re: How to find the pixel position By: jeanh on Thu, 29 April 2010 08:18
		Re: How to find the pixel position By: d.poreh on Thu, 29 April 2010 03:22
		Re: How to find the pixel position By: Timm Weitkamp on Thu, 29 April 2010 02:49
		Re: How to find the pixel position By: sid on Thu, 29 April 2010 01:50
		Re: How to find the pixel position By: d.poreh on Thu, 29 April 2010 00:06

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