File:Overlay3.jpg: Difference between revisions
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[[Category:WMS Coverages]] | [[Category:WMS Coverages]] | ||
[[Category:WMS Basins]] | |||
[[Category:Calculators]] | |||
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. | 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. | ||
Latest revision as of 15:56, 31 January 2017
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/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | ★ Approved revision 17:14, 12 July 2007 |  | 379 × 334 (30 KB) | Eshaw (talk | contribs) |
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