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Update mercatorquadtree.js #33

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22 changes: 11 additions & 11 deletions source/core/mercatorquadtree.js
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Original file line number Diff line number Diff line change
Expand Up @@ -183,17 +183,17 @@ MercatorQuadtree.prototype.QuadKeyToWGS84 = function(quadcode, coords)
var maxpixelY=(1.00-mercator[3])*256*Math.pow(2,lod);
var x = (Math.min(Math.max(minpixelX, 0), mapSize - 1) / mapSize) - 0.5;
var y = 0.5 - (Math.min(Math.max(minpixelY, 0), mapSize - 1) / mapSize);
var minx = 90.0 - 360.0 * Math.atan(Math.exp(-y * 2.0 * Math.PI)) / Math.PI;
var miny = 360.0000 * x;
var miny = 90.0 - 360.0 * Math.atan(Math.exp(-y * 2.0 * Math.PI)) / Math.PI;
var minx = 360.0000 * x;

x = (Math.min(Math.max(minpixelX, 0), mapSize - 1) / mapSize) - 0.5;
y = 0.5 - (Math.min(Math.max(minpixelY, 0), mapSize - 1) / mapSize);
var maxx = 90.0 - 360.0 * Math.atan(Math.exp(-y * 2.0 * Math.PI)) / Math.PI;
var maxy = 360.0000 * x;
coords[0]=minx;
coords[1]=miny;
coords[2]=maxx;
coords[3]=maxy;
x = (Math.min(Math.max(maxpixelX, 0), mapSize - 1) / mapSize) - 0.5;
y = 0.5 - (Math.min(Math.max(maxpixelY, 0), mapSize - 1) / mapSize);
var maxy = 90.0 - 360.0 * Math.atan(Math.exp(-y * 2.0 * Math.PI)) / Math.PI;
var maxx = 360.0000 * x;
coords[0]=minx; //swap(y0,y1) coordinates for pixel based coordinates.
coords[1]=maxy;
coords[2]=maxx;
coords[3]=miny;

}
//------------------------------------------------------------------------------
Expand All @@ -203,4 +203,4 @@ goog.exportProperty(MercatorQuadtree.prototype, 'QuadKeyToMercatorCoord', Mercat
goog.exportProperty(MercatorQuadtree.prototype, 'QuadKeyToNormalizedCoord', MercatorQuadtree.prototype.QuadKeyToNormalizedCoord);
goog.exportProperty(MercatorQuadtree.prototype, 'QuadKeyToTileCoord', MercatorQuadtree.prototype.QuadKeyToTileCoord);
goog.exportProperty(MercatorQuadtree.prototype, 'QuadKeyToMercator', MercatorQuadtree.prototype.QuadKeyToMercator);
goog.exportProperty(MercatorQuadtree.prototype, 'QuadKeyToWGS84', MercatorQuadtree.prototype.QuadKeyToWGS84);
goog.exportProperty(MercatorQuadtree.prototype, 'QuadKeyToWGS84', MercatorQuadtree.prototype.QuadKeyToWGS84);