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Add ol.structs.RBush#update

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This commit is contained in:
Tom Payne
2013-11-25 19:27:58 +01:00
committed by Tim Schaub
parent 7ec456fa70
commit 880f098f0f
1 changed files with 16 additions and 0 deletions
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16
src/ol/structs/rbush.js
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@@ -618,3 +618,19 @@ ol.structs.RBush.prototype.splitRoot_ = function(node1, node2) {
var children = [node1, node2]; var children = [node1, node2];
this.root_ = new ol.structs.RBushNode(extent, height, children, null); this.root_ = new ol.structs.RBushNode(extent, height, children, null);
}; };
/**
* @param {ol.Extent} extent Extent.
* @param {T} value Value.
*/
ol.structs.RBush.prototype.update = function(extent, value) {
var key = this.getKey_(value);
var currentExtent = this.valueExtent_[key];
goog.asserts.assert(goog.isDef(currentExtent));
if (!ol.extent.equals(currentExtent, extent)) {
this.remove_(currentExtent, value);
this.insert_(extent, value, this.root_.height - 1);
this.valueExtent_[key] = extent;
}
};