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Construct individual line strings directly from flat coordinates

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This commit is contained in:
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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15
src/ol/geom/multilinestring.js
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@@ -136,12 +136,19 @@ ol.geom.MultiLineString.prototype.getEnds = function() {
* @todo stability experimental
*/
ol.geom.MultiLineString.prototype.getLineStrings = function() {
// FIXME we should construct the line strings from the flat coordinates
var coordinates = this.getCoordinates();
var flatCoordinates = this.flatCoordinates;
var ends = this.ends_;
var layout = this.layout;
/** @type {Array.<ol.geom.LineString>} */
var lineStrings = [];
var offset = 0;
var i, ii;
for (i = 0, ii = coordinates.length; i < ii; ++i) {
lineStrings.push(new ol.geom.LineString(coordinates[i]));
for (i = 0, ii = ends.length; i < ii; ++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;
};