Merge pull request #4145 from tschaub/simplified-geom

API method for simplifying geometries.
This commit is contained in:
Tim Schaub
2015-09-22 11:45:42 -06:00
2 changed files with 41 additions and 1 deletions

View File

@@ -169,10 +169,27 @@ ol.geom.Geometry.prototype.getExtent = function(opt_extent) {
};
/**
* Create a simplified version of this geometry. For linestrings, this uses
* the the {@link
* https://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm
* Douglas Peucker} algorithm. For polygons, a quantization-based
* simplification is used to preserve topology.
* @function
* @param {number} tolerance The tolerance distance for simplification.
* @return {ol.geom.Geometry} A new, simplified version of the original
* geometry.
* @api
*/
ol.geom.Geometry.prototype.simplify = function(tolerance) {
return this.getSimplifiedGeometry(tolerance * tolerance);
};
/**
* Create a simplified version of this geometry using the Douglas Peucker
* algorithm.
* @see http://en.wikipedia.org/wiki/Ramer%E2%80%93Douglas%E2%80%93Peucker_algorithm
* @see https://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm
* @function
* @param {number} squaredTolerance Squared tolerance.
* @return {ol.geom.Geometry} Simplified geometry.