Optional
attributionDefault: null. Contains an attribution to be displayed when the map is shown to a user. Implementations MAY decide to treat this as HTML or literal text. For security reasons, make absolutely sure that this field can't be abused as a vector for XSS or beacon tracking.
Optional
boundsDefault: [-180, -90, 180, 90]. The maximum extent of available map tiles. Bounds MUST define an area covered by all zoom levels. The bounds are represented in WGS:84 latitude and longitude values, in the order left, bottom, right, top. Values may be integers or floating point numbers.
Optional
centerDefault: null. The first value is the longitude, the second is latitude (both in WGS:84 values), the third value is the zoom level as an integer. Longitude and latitude MUST be within the specified bounds. The zoom level MUST be between minzoom and maxzoom. Implementations can use this value to set the default location. If the value is null, implementations may use their own algorithm for determining a default location.
Optional
dataDefault: []. An array of data files in GeoJSON format.
{z}
, {x}
and {y}
, if present,
are replaced with the corresponding integers. If multiple
endpoints are specified, clients may use any combination of endpoints.
All endpoints MUST return the same content for the same URL.
If the array doesn't contain any entries, then no data is present in
the map.
Optional
descriptionDefault: null. A text description of the tileset. The description can contain any legal character. Implementations SHOULD NOT interpret the description as HTML.
Optional
gridsDefault: []. An array of interactivity endpoints. {z}
, {x}
and {y}
, if present, are replaced with the corresponding integers. If multiple
endpoints are specified, clients may use any combination of endpoints.
All endpoints MUST return the same content for the same URL.
If the array doesn't contain any entries, interactivity is not supported
for this tileset.
See https://github.com/mapbox/utfgrid-spec/tree/master/1.2
for the interactivity specification.
Optional
legendDefault: null. Contains a legend to be displayed with the map. Implementations MAY decide to treat this as HTML or literal text. For security reasons, make absolutely sure that this field can't be abused as a vector for XSS or beacon tracking.
Optional
maxzoomDefault: 30. >= 0, <= 30.
An integer specifying the maximum zoom level. MUST be >= minzoom
.
Optional
minzoomDefault: 0.>= 0, <= 30.
An integer specifying the minimum zoom level.
Optional
nameDefault: null. A name describing the tileset. The name can contain any legal character. Implementations SHOULD NOT interpret the name as HTML.
Optional
schemeDefault: "xyz". Either "xyz" or "tms". Influences the y direction of the tile coordinates. The global-mercator (aka Spherical Mercator) profile is assumed.
Optional
templateDefault: null. Contains a mustache template to be used to format data from grids for interaction. See https://github.com/mapbox/utfgrid-spec/tree/master/1.2 for the interactivity specification.
A semver.org style version number. Describes the version of the TileJSON spec that is implemented by this JSON object.
REQUIRED. An array of tile endpoints. {z}
, {x}
and {y}
, if present,
are replaced with the corresponding integers. If multiple endpoints are specified, clients
may use any combination of endpoints. All endpoints MUST return the same
content for the same URL. The array MUST contain at least one endpoint.
Optional
versionDefault: "1.0.0". A semver.org style version number. When changes across tiles are introduced, the minor version MUST change. This may lead to cut off labels. Therefore, implementors can decide to clean their cache when the minor version changes. Changes to the patch level MUST only have changes to tiles that are contained within one tile. When tiles change significantly, the major version MUST be increased. Implementations MUST NOT use tiles with different major versions.
This specification attempts to create a standard for representing metadata about multiple types of web-based layers, to aid clients in configuration and browsing.
From https://github.com/mapbox/tilejson-spec/tree/master/2.2.0