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Construct individual line strings directly from flat coordinates

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Tom Payne
2014-03-10 16:04:05 +01:00
parent ddfce24f05
commit 669f21ca29
1 changed files with 11 additions and 4 deletions
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src/ol/geom/multilinestring.js
+11 -4
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@@ -136,12 +136,19 @@ ol.geom.MultiLineString.prototype.getEnds = function() {
* @todo stability experimental * @todo stability experimental
*/ */
ol.geom.MultiLineString.prototype.getLineStrings = function() { ol.geom.MultiLineString.prototype.getLineStrings = function() {
// FIXME we should construct the line strings from the flat coordinates var flatCoordinates = this.flatCoordinates;
var coordinates = this.getCoordinates(); var ends = this.ends_;
var layout = this.layout;
/** @type {Array.<ol.geom.LineString>} */
var lineStrings = []; var lineStrings = [];
var offset = 0;
var i, ii; var i, ii;
for (i = 0, ii = coordinates.length; i < ii; ++i) { for (i = 0, ii = ends.length; i < ii; ++i) {
lineStrings.push(new ol.geom.LineString(coordinates[i])); var end = ends[i];
var lineString = new ol.geom.LineString(null);
lineString.setFlatCoordinates(layout, flatCoordinates.slice(offset, end));
lineStrings.push(lineString);
offset = end;
} }
return lineStrings; return lineStrings;
}; };