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Create linear rings directly from flat coordinates

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Tom Payne
2014-01-21 08:12:22 +01:00
parent 4d88d53146
commit d35c40f81f
1 changed files with 10 additions and 3 deletions
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13
src/ol/geom/polygon.js
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@@ -153,11 +153,18 @@ ol.geom.Polygon.prototype.getInteriorPoint = function() {
* @return {Array.<ol.geom.LinearRing>} Linear rings.
*/
ol.geom.Polygon.prototype.getLinearRings = function() {
var layout = this.layout;
var flatCoordinates = this.flatCoordinates;
var ends = this.ends_;
var linearRings = [];
var coordinates = this.getCoordinates();
var offset = 0;
var i, ii;
for (i = 0, ii = coordinates.length; i < ii; ++i) {
linearRings.push(new ol.geom.LinearRing(coordinates[i]));
for (i = 0, ii = ends.length; i < ii; ++i) {
var end = ends[i];
var linearRing = new ol.geom.LinearRing(null);
linearRing.setFlatCoordinates(layout, flatCoordinates.slice(offset, end));
linearRings.push(linearRing);
offset = end;
}
return linearRings;
};