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Re: Already written function to find if a point is within a rectangle? [message #79344 is a reply to message #79342]

Mon, 20 February 2012 14:56

penteado
Messages: 866
Registered: February 2018

Senior Member
Administrator

> So I need a way to find out if a point ( position of a star ) is
> within a rectangle ( image boundary ). The rectangle edges are not
> strictly horizontal or vertical.

You talk about coordinates in RA and dec. So are the images really
rectangular? It seems to me that the real problem is that you need to
deal with spherical geometry.

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[Message index]

		Re: Already written function to find if a point is within a rectangle? By: Craig Markwardt on Mon, 20 February 2012 19:22
		Re: Already written function to find if a point is within a rectangle? By: Jacare Omoplata on Mon, 20 February 2012 15:47
		Re: Already written function to find if a point is within a rectangle? By: Jacare Omoplata on Mon, 20 February 2012 15:37
		Re: Already written function to find if a point is within a rectangle? By: penteado on Mon, 20 February 2012 14:56
		Re: Already written function to find if a point is within a rectangle? By: David Fanning on Mon, 20 February 2012 14:09
		Re: Already written function to find if a point is within a rectangle? By: Jacare Omoplata on Wed, 22 February 2012 19:25

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