Files
openlayers/src/ol/geom/geometrycollection.js
2013-04-06 14:28:12 +02:00

50 lines
1.1 KiB
JavaScript

goog.provide('ol.geom.GeometryCollection');
goog.require('goog.asserts');
goog.require('ol.geom.AbstractCollection');
goog.require('ol.geom.Geometry');
goog.require('ol.geom.GeometryType');
/**
* A mixed collection of geometries. Used one of the fixed type multi-part
* constructors for collections of the same type.
*
* @constructor
* @extends {ol.geom.AbstractCollection}
* @param {Array.<ol.geom.Geometry>} geometries Array of geometries.
*/
ol.geom.GeometryCollection = function(geometries) {
goog.base(this);
/**
* @type {Array.<ol.geom.Geometry>}
*/
this.components = geometries;
var dimension = 0;
for (var i = 0, ii = geometries.length; i < ii; ++i) {
if (goog.isDef(dimension)) {
dimension = geometries[i].dimension;
} else {
goog.asserts.assert(dimension == geometries[i].dimension);
}
}
/**
* @type {number}
*/
this.dimension = dimension;
};
goog.inherits(ol.geom.GeometryCollection, ol.geom.AbstractCollection);
/**
* @inheritDoc
*/
ol.geom.GeometryCollection.prototype.getType = function() {
return ol.geom.GeometryType.GEOMETRYCOLLECTION;
};