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Allow geometries to have null coordinates and add setFlatCoordinates

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This commit is contained in:
Tom Payne
2013-12-03 16:59:52 +01:00
parent 580f7d2022
commit 1a9d19a2fb
13 changed files with 216 additions and 26 deletions
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31
src/ol/geom/polygon.js
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@@ -117,10 +117,31 @@ ol.geom.Polygon.prototype.getType = function() {
* @param {ol.geom.Layout=} opt_layout Layout.
*/
ol.geom.Polygon.prototype.setCoordinates = function(coordinates, opt_layout) {
this.setLayout(opt_layout, coordinates, 2);
ol.geom.flat.deflateCoordinatess(
this.flatCoordinates, 0, coordinates, this.stride, this.ends_);
ol.geom.flat.orientLinearRings(
this.flatCoordinates, 0, this.ends_, this.stride);
if (goog.isNull(coordinates)) {
this.setFlatCoordinates(ol.geom.Layout.XY, null, this.ends_);
} else {
this.setLayout(opt_layout, coordinates, 2);
if (goog.isNull(this.flatCoordinates)) {
this.flatCoordinates = [];
}
var ends = ol.geom.flat.deflateCoordinatess(
this.flatCoordinates, 0, coordinates, this.stride, this.ends_);
this.flatCoordinates.length = ends.length === 0 ? 0 : ends[ends.length - 1];
ol.geom.flat.orientLinearRings(
this.flatCoordinates, 0, this.ends_, this.stride);
this.dispatchChangeEvent();
}
};
/**
* @param {ol.geom.Layout} layout Layout.
* @param {Array.<number>} flatCoordinates Flat coordinates.
* @param {Array.<number>} ends Ends.
*/
ol.geom.Polygon.prototype.setFlatCoordinates =
function(layout, flatCoordinates, ends) {
this.setFlatCoordinatesInternal(layout, flatCoordinates);
this.ends_ = ends;
this.dispatchChangeEvent();
};