Changes between Version 3 and Version 4 of UsersWikiSimplifyPreserveTopology
- Timestamp:
- Apr 8, 2012, 6:35:48 AM (12 years ago)
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UsersWikiSimplifyPreserveTopology
v3 v4 21 21 22 22 Based on the technique described here [[]]: 23 * we extract linestrings out of polygons,24 * then union and simplify them25 * st_polygonize() is used to rebuild surfaces from linestrings.26 * Finally, attributes from the initial layer are associated with simplified polygons.23 * we extract linestrings out of polygons, 24 * then union and simplify them 25 * st_polygonize() is used to rebuild surfaces from linestrings. 26 * Finally, attributes from the initial layer are associated with simplified polygons. 27 27 28 28 == Steps ==