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Allow geometries to use a shared vertex array

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The ol.geom.SharedVertices structure represents a flattened array of vertex coordinates.  This is intended to support optimal WebGL rendering.
This commit is contained in:
Tim Schaub
2013-03-02 18:39:24 +01:00
parent bdfa2cc88c
commit b52d283641
23 changed files with 1086 additions and 217 deletions
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15
src/ol/geom/linearring.js
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@@ -1,20 +1,21 @@
goog.provide('ol.geom.LinearRing');
goog.require('ol.geom.CoordinateArray');
goog.require('ol.geom.GeometryType');
goog.require('ol.geom.LineString');
goog.require('ol.geom.SharedVertices');
goog.require('ol.geom.VertexArray');
/**
* @constructor
* @extends {ol.geom.LineString}
* @param {ol.geom.CoordinateArray} coordinates Coordinates array (e.g.
* [[x0, y0], [x1, y1], [x0, y0]]).
* @param {ol.geom.VertexArray} coordinates Vertex array (e.g.
* [[x0, y0], [x1, y1]]).
* @param {ol.geom.SharedVertices=} opt_shared Shared vertices.
*/
ol.geom.LinearRing = function(coordinates) {
goog.base(this, coordinates);
ol.geom.LinearRing = function(coordinates, opt_shared) {
goog.base(this, coordinates, opt_shared);
/**
* We're intentionally not enforcing that rings be closed right now. This
@@ -30,5 +31,5 @@ goog.inherits(ol.geom.LinearRing, ol.geom.LineString);
* @inheritDoc
*/
ol.geom.LinearRing.prototype.getType = function() {
return ol.geom.GeometryType.GEOMETRYCOLLECTION;
return ol.geom.GeometryType.LINEARRING;
};