Add ol.geom.LineString

This commit is contained in:
Tom Payne
2013-11-06 20:46:04 +01:00
parent cb75fcad9f
commit ac37980999

64
src/ol/geom/linestring.js Normal file
View File

@@ -0,0 +1,64 @@
goog.provide('ol.geom.LineString');
goog.require('goog.asserts');
goog.require('ol.extent');
goog.require('ol.geom.Geometry');
/**
* @constructor
* @extends {ol.geom.Geometry}
* @param {Array.<ol.Coordinate>} coordinates Coordinates.
*/
ol.geom.LineString = function(coordinates) {
goog.base(this);
/**
* @private
* @type {Array.<Array.<number>>}
*/
this.coordinates_ = coordinates;
};
goog.inherits(ol.geom.LineString, ol.geom.Geometry);
/**
* @return {Array.<Array.<number>>} Coordinates.
*/
ol.geom.LineString.prototype.getCoordinates = function() {
return this.coordinates_;
};
/**
* @inheritDoc
*/
ol.geom.LineString.prototype.getExtent = function(opt_extent) {
if (this.extentRevision != this.revision) {
this.extent = ol.extent.createOrUpdateFromCoordinates(
this.coordinates_, this.extent);
this.extentRevision = this.revision;
}
goog.asserts.assert(goog.isDef(this.extent));
return ol.extent.returnOrUpdate(this.extent, opt_extent);
};
/**
* @inheritDoc
*/
ol.geom.LineString.prototype.getType = function() {
return ol.geom.GeometryType.LINE_STRING;
};
/**
* @param {Array.<ol.Coordinate>} coordinates Coordinates.
*/
ol.geom.LineString.prototype.setCoordinates = function(coordinates) {
this.coordinates_ = coordinates;
this.dispatchChangeEvent();
};