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Re: Filling a contour [message #60716 is a reply to message #60675]

Sun, 08 June 2008 09:59

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

> xcrossings = total(contour_image, 1, /cumulative)
> ycrossings = total(contour_image, 2, /cumulative)
> interior = where(xcrossings mod 2 and ycrossings mod 2, ninterior)
> if ninterior gt 0 then contour_image[interior]=1

Actually, that's going to fall down badly where the contour is tangent
to the x or y axis. So you probably need to resort to some sort of
iterative scheme of finding one interior point and then searching for
points around it.

-Jeremy.

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[Message index]

		Re: Filling a contour By: Robbie on Wed, 11 June 2008 19:00
		Re: Filling a contour By: Loren Anderson on Wed, 11 June 2008 18:02
		Re: Filling a contour By: Jye on Wed, 11 June 2008 16:32
		Re: Filling a contour By: Jeremy Bailin on Sun, 08 June 2008 09:59
		Re: Filling a contour By: Jeremy Bailin on Sat, 07 June 2008 06:19

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