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Added 'tilepixelratio' metadata key info #54

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00aa484
Added 'tilepixelratio' metadata key info
tumic0 Sep 23, 2018
5673f6f
Updated the authors list
tumic0 Sep 23, 2018
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4 changes: 3 additions & 1 deletion 1.3/spec.md
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Expand Up @@ -78,14 +78,16 @@ The `metadata` table SHOULD contain these four rows:
* `minzoom` (number): The lowest zoom level for which the tileset provides data
* `maxzoom` (number): The highest zoom level for which the tileset provides data

The `metadata` table MAY contain these four rows:
The `metadata` table MAY contain these five rows:

* `attribution` (HTML string): An attribution string, which explains the sources of
data and/or style for the map.
* `description` (string): A description of the tileset's content.
* `type` (string): `overlay` or `baselayer`
* `version` (number): The version of the tileset.
This refers to a revision of the tileset itself, not of the MBTiles specification.
* `tilepixelratio` (floating-point number): The pixel ratio of the tileset.
If not specified, `1.0` is assumed. For @2x HiDPI tiles use `2.0`.

If the `format` is `pbf`, the `metadata` table MUST contain this row:

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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -59,3 +59,4 @@ there are no royalties, restrictions, or requirements.
* Paul Norman (pnorman)
* Blake Thompson (flippmoke)
* Will White (willwhite)
* Martin Tůma (tumic0)