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Diffstat (limited to 'platform/darwin/src/MGLTileSource.h')
| -rw-r--r-- | platform/darwin/src/MGLTileSource.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/platform/darwin/src/MGLTileSource.h b/platform/darwin/src/MGLTileSource.h index caeafcd2f6..2d75fa14d8 100644 --- a/platform/darwin/src/MGLTileSource.h +++ b/platform/darwin/src/MGLTileSource.h @@ -41,6 +41,20 @@ extern MGL_EXPORT const MGLTileSourceOption MGLTileSourceOptionMinimumZoomLevel; */ extern MGL_EXPORT const MGLTileSourceOption MGLTileSourceOptionMaximumZoomLevel; +/** + An `NSValue` object containing an `MGLCoordinateBounds` struct that specifies + the geographic extent of the source. + + If this option is specified, the SDK avoids requesting any tile that falls + outside of the coordinate bounds. Otherwise, the SDK requests any tile needed + to cover the viewport, as it does by default. + + This option corresponds to the `bounds` key in the + <a href="https://github.com/mapbox/tilejson-spec/tree/master/2.1.0">TileJSON</a> + specification. + */ +extern MGL_EXPORT const MGLTileSourceOption MGLTileSourceOptionCoordinateBounds; + #if TARGET_OS_IPHONE /** An HTML string defining the buttons to be displayed in an action sheet when the @@ -103,6 +117,7 @@ extern MGL_EXPORT const MGLTileSourceOption MGLTileSourceOptionAttributionInfos; */ extern MGL_EXPORT const MGLTileSourceOption MGLTileSourceOptionTileCoordinateSystem; + /** Tile coordinate systems that determine how tile coordinates in tile URLs are interpreted. @@ -127,6 +142,35 @@ typedef NS_ENUM(NSUInteger, MGLTileCoordinateSystem) { MGLTileCoordinateSystemTMS }; + +/** + An `NSNumber` object containing an unsigned integer that specifies the encoding + formula for raster-dem tilesets. The integer corresponds to one of + the constants described in `MGLDEMEncoding`. + + The default value for this option is `MGLDEMEncodingMapbox`. + + This option is not supported by the TileJSON spec. + */ +extern MGL_EXPORT const MGLTileSourceOption MGLTileSourceOptionDEMEncoding; + +/** + The encoding formula used to generate the raster-dem tileset +*/ + +typedef NS_ENUM(NSUInteger, MGLDEMEncoding) { + + /** + Raster tiles generated with the [Mapbox encoding formula](https://www.mapbox.com/help/access-elevation-data/#mapbox-terrain-rgb). + */ + MGLDEMEncodingMapbox = 0, + + /** + Raster tiles generated with the [Mapzen Terrarium encoding formula](https://aws.amazon.com/public-datasets/terrain/). + */ + MGLDEMEncodingTerrarium +}; + /** `MGLTileSource` is a map content source that supplies map tiles to be shown on the map. The location of and metadata about the tiles are defined either by an |