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Return transformed tile coordinates from ol.TileGrid's API methods

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This commit is contained in:
Andreas Hocevar
2015-06-12 09:47:32 +02:00
parent acab0ebd57
commit 4b3aac32c3
6 changed files with 45 additions and 6 deletions
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src/ol/tilegrid/tilegrid.js
+40 -1
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@@ -382,6 +382,28 @@ ol.tilegrid.TileGrid.prototype.getTileCoordExtent =
*/
ol.tilegrid.TileGrid.prototype.getTileCoordForCoordAndResolution = function(
coordinate, resolution, opt_tileCoord) {
var tileCoord = this.getTileCoordForCoordAndResolutionInternal(
coordinate, resolution, opt_tileCoord);
this.transformTileCoord(tileCoord, tileCoord);
return tileCoord;
};
/**
* Get the tile coordinate for the given map coordinate and resolution. This
* method considers that coordinates that intersect tile boundaries should be
* assigned the higher tile coordinate.
*
* The returned tile coordinate is the internal, untransformed one with
* bottom-left origin.
*
* @param {ol.Coordinate} coordinate Coordinate.
* @param {number} resolution Resolution.
* @param {ol.TileCoord=} opt_tileCoord Destination ol.TileCoord object.
* @return {ol.TileCoord} Internal, untransformed tile coordinate.
*/
ol.tilegrid.TileGrid.prototype.getTileCoordForCoordAndResolutionInternal =
function(coordinate, resolution, opt_tileCoord) {
return this.getTileCoordForXYAndResolution_(
coordinate[0], coordinate[1], resolution, false, opt_tileCoord);
};
@@ -431,7 +453,24 @@ ol.tilegrid.TileGrid.prototype.getTileCoordForXYAndResolution_ = function(
* @return {ol.TileCoord} Tile coordinate.
* @api
*/
ol.tilegrid.TileGrid.prototype.getTileCoordForCoordAndZ =
ol.tilegrid.TileGrid.prototype.getTileCoordForCoordAndZ = function(
coordinate, z, opt_tileCoord) {
var tileCoord = this.getTileCoordForCoordAndZInternal(
coordinate, z, opt_tileCoord);
this.transformTileCoord(tileCoord, tileCoord);
return tileCoord;
};
/**
* Get a tile coordinate given a map coordinate and zoom level. The returned
* tile coordinate is the internal one, untransformed with bottom-left origin.
* @param {ol.Coordinate} coordinate Coordinate.
* @param {number} z Zoom level.
* @param {ol.TileCoord=} opt_tileCoord Destination ol.TileCoord object.
* @return {ol.TileCoord} Internal, untransformed tile coordinate.
*/
ol.tilegrid.TileGrid.prototype.getTileCoordForCoordAndZInternal =
function(coordinate, z, opt_tileCoord) {
var resolution = this.getResolution(z);
return this.getTileCoordForXYAndResolution_(