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Minor change to Layer.js as described in patch-like form in #715:

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getLonLatFromViewPorPx should return null if no center is set (and, in the
future, throw a debug statement out there.) Closes #715.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@3162 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2007-05-23 03:49:33 +00:00
parent 7819bd1743
commit c5bbc39b4a
1 changed files with 7 additions and 5 deletions
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12
lib/OpenLayers/Layer.js
View File

@@ -608,13 +608,15 @@ OpenLayers.Layer.prototype = {
if (viewPortPx != null) {
var size = this.map.getSize();
var center = this.map.getCenter();
var res = this.map.getResolution();
if (center) {
var res = this.map.getResolution();
var delta_x = viewPortPx.x - (size.w / 2);
var delta_y = viewPortPx.y - (size.h / 2);
var delta_x = viewPortPx.x - (size.w / 2);
var delta_y = viewPortPx.y - (size.h / 2);
lonlat = new OpenLayers.LonLat(center.lon + delta_x * res ,
center.lat - delta_y * res);
lonlat = new OpenLayers.LonLat(center.lon + delta_x * res ,
center.lat - delta_y * res);
} // else { DEBUG STATEMENT }
}
return lonlat;
},