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support pixel resolution for tile bbox on mercator

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javi 2014-09-24 11:47:12 +02:00
parent 1ca2930397
commit bf514fbc47
1 changed files with 3 additions and 2 deletions
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5
lib/torque/mercator.js
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@ -59,9 +59,10 @@ MercatorProjection.prototype._tilePixelPos = function(tileX, tileY) {
}; };
}; };
MercatorProjection.prototype.tilePixelBBox = function(x, y, zoom, px, py) { MercatorProjection.prototype.tilePixelBBox = function(x, y, zoom, px, py, res) {
res = res || 1.0;
var numTiles = 1 <<zoom; var numTiles = 1 <<zoom;
var inc = 1.0/numTiles; var inc = res/numTiles;
px = (x*this._tileSize + px)/numTiles; px = (x*this._tileSize + px)/numTiles;
py = (y*this._tileSize + py)/numTiles; py = (y*this._tileSize + py)/numTiles;
return [ return [