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Create new extent if no existing one

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This commit is contained in:
Tom Payne
2012-07-14 17:47:18 +02:00
parent dbb26dc68d
commit 9266b7fdb2
1 changed files with 12 additions and 5 deletions
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17
src/ol/map.js
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@@ -216,11 +216,18 @@ ol.Map.prototype.handleCameraPropertyChanged = function() {
return;
}
var size = this.size_;
var extent = this.extent_;
extent.left = position.x - resolution * size.width / 2;
extent.right = position.x + resolution * size.width / 2;
extent.bottom = position.y - resolution * size.height / 2;
extent.top = position.y + resolution * size.height / 2;
var left = position.x - resolution * size.width / 2;
var right = position.x + resolution * size.width / 2;
var bottom = position.y - resolution * size.height / 2;
var top = position.y + resolution * size.height / 2;
if (goog.isNull(this.extent_)) {
this.extent_ = new ol.Extent(top, right, bottom, left);
} else {
this.extent_.top = top;
this.extent_.right = right;
this.extent_.bottom = bottom;
this.extent_.left = left;
}
};