RasterDemSource

class RasterDemSource(builder: RasterDemSource.Builder) : Source

A RGB-encoded raster DEM source

See also

Constructors

RasterDemSource
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fun RasterDemSource(builder: RasterDemSource.Builder)

Types

Builder
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class Builder(sourceId: String)

Builder for RasterDemSource.

Companion
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object Companion

Static variables and methods.

Functions

bindTo
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open override fun bindTo(delegate: StyleInterface)

Add the source to the Style.

maxOverscaleFactorForParentTiles
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fun maxOverscaleFactorForParentTiles(value: Long): RasterDemSource

When a set of tiles for a current zoom level is being rendered and some of the ideal tiles that cover the screen are not yet loaded, parent tile could be used instead. This might introduce unwanted rendering side-effects, especially for raster tiles that are overscaled multiple times. This property sets the maximum limit for how much a parent tile can be overscaled.

maxzoom
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fun maxzoom(value: Long = 22L): RasterDemSource

Maximum zoom level for which tiles are available, as in the TileJSON spec. Data from tiles at the maxzoom are used when displaying the map at higher zoom levels.

minimumTileUpdateInterval
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fun minimumTileUpdateInterval(value: Double = 0.0): RasterDemSource

Minimum tile update interval in seconds, which is used to throttle the tile update network requests. If the given source supports loading tiles from a server, sets the minimum tile update interval. Update network requests that are more frequent than the minimum tile update interval are suppressed.

minzoom
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fun minzoom(value: Long = 0L): RasterDemSource

Minimum zoom level for which tiles are available, as in the TileJSON spec.

prefetchZoomDelta
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fun prefetchZoomDelta(value: Long = 4L): RasterDemSource

When loading a map, if PrefetchZoomDelta is set to any number greater than 0, the map will first request a tile at zoom level lower than zoom - delta, but so that the zoom level is multiple of delta, in an attempt to display a full map at lower resolution as quick as possible. It will get clamped at the tile source minimum zoom. The default delta is 4.

tileNetworkRequestsDelay
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fun tileNetworkRequestsDelay(value: Double = 0.0): RasterDemSource

For the tiled sources, this property sets the tile network requests delay. The given delay comes in action only during an ongoing animation or gestures. It helps to avoid loading the transient tiles from the network and thus to avoid redundant network requests. Note that tile-network-requests-delay value is superseded with tile-requests-delay property value, if both are provided.

tileRequestsDelay
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fun tileRequestsDelay(value: Double = 0.0): RasterDemSource

For the tiled sources, this property sets the tile requests delay. The given delay comes in action only during an ongoing animation or gestures. It helps to avoid loading, parsing and rendering of the transient tiles and thus to improve the rendering performance, especially on low-end devices.

tiles
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fun tiles(value: List<String>): RasterDemSource

An array of one or more tile source URLs, as in the TileJSON spec.

toString
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open override fun toString(): String

Returns a human readable string that includes the cached properties of the source.

url
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fun url(value: String): RasterDemSource

A URL to a TileJSON resource. Supported protocols are http:, https:, and mapbox://<Tileset ID>.

volatile
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fun volatile(value: Boolean = false): RasterDemSource

A setting to determine whether a source's tiles are cached locally.

Properties

attribution
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val attribution: String?

Contains an attribution to be displayed when the map is shown to a user.

bounds
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val bounds: List<Double>?

An array containing the longitude and latitude of the southwest and northeast corners of the source's bounding box in the following order: [sw.lng, sw.lat, ne.lng, ne.lat]. When this property is included in a source, no tiles outside of the given bounds are requested by Mapbox GL.

encoding
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val encoding: Encoding?

The encoding used by this source. Mapbox Terrain RGB is used by default

maxOverscaleFactorForParentTiles
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val maxOverscaleFactorForParentTiles: Long?

When a set of tiles for a current zoom level is being rendered and some of the ideal tiles that cover the screen are not yet loaded, parent tile could be used instead. This might introduce unwanted rendering side-effects, especially for raster tiles that are overscaled multiple times. This property sets the maximum limit for how much a parent tile can be overscaled.

maxzoom
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val maxzoom: Long?

Maximum zoom level for which tiles are available, as in the TileJSON spec. Data from tiles at the maxzoom are used when displaying the map at higher zoom levels.

minimumTileUpdateInterval
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val minimumTileUpdateInterval: Double?

Minimum tile update interval in seconds, which is used to throttle the tile update network requests. If the given source supports loading tiles from a server, sets the minimum tile update interval. Update network requests that are more frequent than the minimum tile update interval are suppressed.

minzoom
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val minzoom: Long?

Minimum zoom level for which tiles are available, as in the TileJSON spec.

prefetchZoomDelta
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val prefetchZoomDelta: Long?

When loading a map, if PrefetchZoomDelta is set to any number greater than 0, the map will first request a tile at zoom level lower than zoom - delta, but so that the zoom level is multiple of delta, in an attempt to display a full map at lower resolution as quick as possible. It will get clamped at the tile source minimum zoom. The default delta is 4.

sourceId
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val sourceId: String

The ID of the Source.

tileNetworkRequestsDelay
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val tileNetworkRequestsDelay: Double?

For the tiled sources, this property sets the tile network requests delay. The given delay comes in action only during an ongoing animation or gestures. It helps to avoid loading the transient tiles from the network and thus to avoid redundant network requests. Note that tile-network-requests-delay value is superseded with tile-requests-delay property value, if both are provided.

tileRequestsDelay
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val tileRequestsDelay: Double?

For the tiled sources, this property sets the tile requests delay. The given delay comes in action only during an ongoing animation or gestures. It helps to avoid loading, parsing and rendering of the transient tiles and thus to improve the rendering performance, especially on low-end devices.

tiles
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val tiles: List<String>?

An array of one or more tile source URLs, as in the TileJSON spec.

tileSize
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val tileSize: Long?

The minimum visual size to display tiles for this layer. Only configurable for raster layers.

url
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val url: String?

A URL to a TileJSON resource. Supported protocols are http:, https:, and mapbox://<Tileset ID>.

volatile
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val volatile: Boolean?

A setting to determine whether a source's tiles are cached locally.