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Tile grid documentation improvements

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Using the term 'bottom-left' for origin and origins is misleading, because
many developers use -y-1 for the tile url's y in their tile url functions,
and the origin really only determines where tile coordinates start to
increase from left to right and from bottom to top.
This commit is contained in:
Andreas Hocevar
2015-06-16 15:20:58 +02:00
parent f74e4c95ff
commit e2da56afa1
1 changed files with 7 additions and 4 deletions
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11
externs/olx.js
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@@ -6148,7 +6148,9 @@ olx.tilegrid.TileGridOptions.prototype.minZoom;
/**
* Origin, i.e. the bottom-left corner of the grid. Default is null.
* The tile grid origin, i.e. where the `x` and `y` axes meet (`[z, 0, 0]`).
* Tile coordinates increase from left to right and from bottom to top. Default
* is null.
* @type {ol.Coordinate|undefined}
* @api stable
*/
@@ -6156,9 +6158,10 @@ olx.tilegrid.TileGridOptions.prototype.origin;
/**
* Origins, i.e. the bottom-left corners of the grid for each zoom level. If
* given, the array length should match the length of the `resolutions` array,
* i.e. each resolution can have a different origin.
* Tile grid origins, i.e. where the `x` and `y` axes meet (`[z, 0, 0]`), for
* each zoom level. If given, the array length should match the length of the
* `resolutions` array, i.e. each resolution can have a different origin. Tile
* coordinates increase from left to right and from bottom to top.
* @type {Array.<ol.Coordinate>|undefined}
* @api stable
*/