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Re: clipping with polyfill [message #29948 is a reply to message #29947]

Tue, 26 March 2002 12:44

James Kuyper
Messages: 425
Registered: March 2000

Senior Member

David Fanning wrote:
...

> I guess the question is, how general does this have to be?
> If you want to clip on "data boundaries", it is easy, you
> just do something like this:
>
> Polyfill, xclip[0] > [x1, Reverse(x2)] < xclip[1], $
> [y1, Reverse(y2)], Color=100

It seems to me that this does the right thing only when the edges of the
polygon that are clipped are perpendicular to the clipping boundary.
Otherwise, it changes the orientation of those edges.

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[Message index]

		Re: clipping with polyfill By: Charlie Zender on Wed, 27 March 2002 10:24
		Re: clipping with polyfill By: Mark Hadfield on Tue, 26 March 2002 13:56
		Re: clipping with polyfill By: David Fanning on Tue, 26 March 2002 12:54
		Re: clipping with polyfill By: James Kuyper on Tue, 26 March 2002 12:44
		Re: clipping with polyfill By: David Fanning on Tue, 26 March 2002 12:11

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