[R] intersect filled.contour and polygon

From: Pedro Mardones <mardones.p_at_gmail.com>
Date: Mon, 30 Apr 2007 16:59:53 -0400

Dear R users;

Is there any way to intersect a filled contour image and a polygon? My problem is that I want to create a kriging map and the boundaries of my map are given by the coordinates of the polygon.

So far I can superompose the polygon in the filled.contour image but I don't know how to get rid of the contour image outside of the polygon boundaries.

Any hint will be appreciated

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