File:Geometries.pdf
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Geometries.pdf (file size: 268 KB, MIME type: application/pdf)
Geometry Operations: OGR and GEOS The GEOS library http://geos.refractions.net provides the spatial predicates originally used in PostGIS, now OGR, and soon MapServer. In this exercise we'll explore unions, intersections, differences, buffers, and work our way up to the task of creating a buffered union of many features from a shapefile.
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 01:02, 25 August 2009 | (268 KB) | Wiki-Timmie (talk | contribs) | Geometry Operations: OGR and GEOS The GEOS library http://geos.refractions.net provides the spatial predicates originally used in PostGIS, now OGR, and soon MapServer. In this exercise we'll explore unions, intersections, differences, buffers, and work ou |
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