File:Overlay3.jpg

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Overlay3.jpg(379 × 334 pixels, file size: 30 KB, MIME type: image/jpeg)


WMS does not perform a true vector overlay where lines from one coverage are intersected with the other and then a new set of polygons created. Instead a temporary or moving grid is placed over the two coverages and then each grid cell is sampled to see which polygons from the input and overlay coverages that it lies in.

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Date/TimeThumbnailDimensionsUserComment
current ★ Approved revision
17:14, 12 July 2007
Thumbnail for version as of 17:14, 12 July 2007379 × 334 (30 KB)Eshaw (talk | contribs)

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