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Re: Area intersection of two trapezoids with given coordinates [message #56842 is a reply to message #56787]

Tue, 20 November 2007 03:22

Bringfried Stecklum is currently offline

Bringfried Stecklum
Messages: 75
Registered: January 1996

Member

mrosimmel@gmail.com wrote:
> Hello all,
>
> I was wondering if there is a function in IDL that I can find the
> intersection area of two trapezoids with given corner coordinates.
> Briefly I have two trapezoids where the first one has corners of
> (x1,y1), (x2,y2), (x3,y3), (x4,y4) and the second one has corners of
> (a1,b1), (a2,b2), (a3,b3), (a4,b4)...I know ARCGIS has such functions
> (like union/intersection).. If not could anyone have an idea how can I
> do it in IDL?
> Thanks all,
>
> Mario

Dear Mario,

by accident I came across this page

http://www.mporzio.astro.it/~licausi/IDL_Library/lib_index.h tml

which seems to offer what you are looking for (OVERLAP.PRO).

regards,

Bringfried Stecklum

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[Message index]

		Area intersection of two trapezoids with given coordinates By: mrosimmel on Fri, 16 November 2007 18:44
		Re: Area intersection of two trapezoids with given coordinates By: Bringfried Stecklum on Tue, 20 November 2007 03:22
		Re: Area intersection of two trapezoids with given coordinates By: mrosimmel on Tue, 27 November 2007 09:21
		Re: Area intersection of two trapezoids with given coordinates By: David Fanning on Sun, 18 November 2007 19:31
		Re: Area intersection of two trapezoids with given coordinates By: David Fanning on Sun, 18 November 2007 19:27
		Re: Area intersection of two trapezoids with given coordinates By: Vince Hradil on Sun, 18 November 2007 19:22

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