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Fix calculation of tile coord from coordinate

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Tile coord calculation was wrong in the case of reverseIntersectionPolicy
for y coords, and for extents with +/- Infinity.
This commit is contained in:
Andreas Hocevar
2015-06-18 09:45:38 +02:00
parent 18aa9b5091
commit e3a8dc89de
1 changed files with 4 additions and 3 deletions
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7
src/ol/tilegrid/tilegrid.js
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@@ -391,9 +391,10 @@ ol.tilegrid.TileGrid.prototype.getTileCoordForXYAndResolution_ = function(
var origin = this.getOrigin(z);
var tileSize = ol.size.toSize(this.getTileSize(z), this.tmpSize_);
var adjust = reverseIntersectionPolicy ? 0.5 : 0;
var xFromOrigin = ((x - origin[0]) / resolution + adjust) | 0;
var yFromOrigin = ((y - origin[1]) / resolution + adjust) | 0;
var adjustX = reverseIntersectionPolicy ? 0.5 : 0;
var adjustY = reverseIntersectionPolicy ? 0 : 0.5;
var xFromOrigin = Math.floor((x - origin[0]) / resolution + adjustX);
var yFromOrigin = Math.floor((y - origin[1]) / resolution + adjustY);
var tileCoordX = scale * xFromOrigin / tileSize[0];
var tileCoordY = scale * yFromOrigin / tileSize[1];