Class ElevationLayer<UserData>

A layer that provides elevation data to display terrains.

Type Parameters

UserData extends LayerUserData = LayerUserData

Hierarchy (view full)

Layer<LayerEvents, UserData>
- ElevationLayer

Constructors

constructor

new ElevationLayer<UserData>(options): ElevationLayer<UserData>
Creates an elevation layer. See the example for more information on layer creation.
Type Parameters
- UserData extends LayerUserData = LayerUserData
Parameters
- options: ElevationLayerOptions
  The layer options.
Returns ElevationLayer<UserData>
Overrides Layer.constructor
- Defined in core/layer/ElevationLayer.ts:41

Properties

backgroundColor

backgroundColor: Color

`Readonly` colorMap

colorMap: ColorMap

The colormap of this layer

`Readonly` computeMinMax

computeMinMax: boolean

disposed

disposed: boolean

`Readonly` extent

extent: Extent

The extent of this layer

frozen

frozen: boolean = false

Disables automatic updates of this layer. Useful for debugging purposes.

`Readonly` id

id: string

The unique identifier of this layer.

`Readonly` interpretation

interpretation: Interpretation

`Readonly` isElevationLayer

isElevationLayer: boolean = true

Read-only flag to check if a given object is of type ElevationLayer.

`Readonly` isLayer

isLayer: boolean = true

Read-only flag to check if a given object is of type Layer.

minmax

minmax: {
    isDefault?: boolean;
    max: number;
    min: number;
}

Type declaration

Optional isDefault?: boolean
max: number
min: number

`Readonly` name

name: string

Optional name of this layer.

`Readonly` noDataOptions

noDataOptions: NoDataOptions

`Readonly` resolutionFactor

resolutionFactor: number

The resolution factor applied to the textures generated by this layer.

`Readonly` showEmptyTextures

showEmptyTextures: boolean

`Readonly` showTileBorders

showTileBorders: boolean

`Readonly` source

source: ImageSource

The source of this layer

type

type: string

`Readonly` userData

userData: UserData

An object that can be used to store custom data about the Layer.

Accessors

composer

get composer(): Readonly<LayerComposer>
Returns Readonly<LayerComposer>
Inherited from Layer.composer
- Defined in core/layer/Layer.ts:1178

loading

get loading(): boolean
Gets whether the object is currently performing an asynchronous operation.

Returns boolean
Inherited from Layer.loading
- Defined in core/layer/Layer.ts:501

progress

get progress(): number
Returns the percentage of progress, in normalized value (i.e in the [0, 1] range), of the asynchronous operations that are scheduled to run on this object. 1 means that all operations have finished.

Returns number
Inherited from Layer.progress
- Defined in core/layer/Layer.ts:505

ready

get ready(): boolean
Returns boolean
Inherited from Layer.ready
- Defined in core/layer/Layer.ts:376

visible

get visible(): boolean
Gets or sets the visibility of this layer.

Returns boolean
Inherited from Layer.visible
- Defined in core/layer/Layer.ts:490
set visible(v): void
Parameters
- v: boolean
Returns void
Inherited from Layer.visible
- Defined in core/layer/Layer.ts:494

Methods

`Protected` adjustExtent

adjustExtent(extent): Extent
Parameters
- extent: Extent
Returns Extent
Overrides Layer.adjustExtent
- Defined in core/layer/ElevationLayer.ts:77

`Protected` adjustExtentAndPixelSize

adjustExtentAndPixelSize(originalExtent, originalWidth, originalHeight): {
    extent: Extent;
    height: number;
    width: number;
}
Adjusts the extent to avoid visual artifacts.
Parameters
- originalExtent: Extent
  The original extent.
- originalWidth: number
  The width, in pixels, of the original extent.
- originalHeight: number
  The height, in pixels, of the original extent.
Returns {
    extent: Extent;
    height: number;
    width: number;
}
And object containing the adjusted extent, as well as adjusted pixel size.
- extent: Extent
- height: number
- width: number
Inherited from Layer.adjustExtentAndPixelSize
- Defined in core/layer/Layer.ts:797

`Protected` applyDefaultTexture

applyDefaultTexture(target): void
Parameters
- target: Target
  The target.
Returns void
Inherited from Layer.applyDefaultTexture
- Defined in core/layer/Layer.ts:869

`Protected` applyEmptyTextureToNode

applyEmptyTextureToNode(target): void
Parameters
- target: Target
Returns void
Overrides Layer.applyEmptyTextureToNode
- Defined in core/layer/ElevationLayer.ts:153

`Protected` applyTextureToNode

applyTextureToNode(textureAndPitch, target, isLastRender): void
Parameters
- textureAndPitch: TextureAndPitch
- target: Target
- isLastRender: boolean
Returns void
Overrides Layer.applyTextureToNode
- Defined in core/layer/ElevationLayer.ts:124

`Protected` canFetchImages

canFetchImages(): boolean
Returns boolean
Overrides Layer.canFetchImages
- Defined in core/layer/ElevationLayer.ts:99

clear

clear(): void
Resets all render targets to a blank state and repaint all the targets.

Returns void
Inherited from Layer.clear
- Defined in core/layer/Layer.ts:470

contains

contains(extent): boolean
Parameters
- extent: Extent
  The extent to test.
Returns boolean
true if this layer contains the specified extent, false otherwise.
Inherited from Layer.contains
- Defined in core/layer/Layer.ts:1076

`Protected` deleteUnusedTargets

deleteUnusedTargets(): void
Returns void
Inherited from Layer.deleteUnusedTargets
- Defined in core/layer/Layer.ts:1137

dispose

dispose(): void
Disposes the layer. This releases all resources held by this layer.

Returns void
Inherited from Layer.dispose
- Defined in core/layer/Layer.ts:1198

getExtent

getExtent(): Extent
Returns the final extent of this layer. If this layer has its own extent defined, this will be used. Otherwise, will return the source extent (if any). May return undefined if not pre-processed yet.

Returns Extent
The layer final extent.
Inherited from Layer.getExtent
- Defined in core/layer/Layer.ts:592

getMemoryUsage

getMemoryUsage(context, target?): MemoryUsageReport
Returns an approximation of the memory used by this object, in bytes.
Parameters
- context: GetMemoryUsageContext
  The graphics context.
- Optional target: MemoryUsageReport
  If specified, the values computed during this call must be added to the existing values in the target. Otherwise, a new report must be built.
Returns MemoryUsageReport
The memory usage report. If target is specified, then this must be returned.
Inherited from Layer.getMemoryUsage
- Defined in core/layer/Layer.ts:380

getRenderTargetDataType

getRenderTargetDataType(): TextureDataType
Returns TextureDataType
Overrides Layer.getRenderTargetDataType
- Defined in core/layer/ElevationLayer.ts:62

getRenderTargetPixelFormat

getRenderTargetPixelFormat(): PixelFormat
Returns PixelFormat
Overrides Layer.getRenderTargetPixelFormat
- Defined in core/layer/ElevationLayer.ts:67

loadFallbackImages

loadFallbackImages(): Promise<void>
Returns Promise<void>
Inherited from Layer.loadFallbackImages
- Defined in core/layer/Layer.ts:653

loadFallbackImagesInternal

loadFallbackImagesInternal(): Promise<void>
Returns Promise<void>
Inherited from Layer.loadFallbackImagesInternal
- Defined in core/layer/Layer.ts:598

`Protected` onInitialized

onInitialized(): Promise<void>
Called when the layer has finished initializing.

Returns Promise<void>
Overrides Layer.onInitialized
- Defined in core/layer/ElevationLayer.ts:89

`Protected` onTextureCreated

onTextureCreated(texture): void
Parameters
- texture: Texture
Returns void
Overrides Layer.onTextureCreated
- Defined in core/layer/ElevationLayer.ts:158

postUpdate

postUpdate(): void
Returns void
Inherited from Layer.postUpdate
- Defined in core/layer/Layer.ts:1165

unregisterNode

unregisterNode(node): void
Removes the node from this layer.
Parameters
- node: TileMesh
  The disposed node.
Returns void
Overrides Layer.unregisterNode
- Defined in core/layer/ElevationLayer.ts:103

update

update(context, node): void
Updates the provided node with content from this layer.
Parameters
- context: Context
  the context
- node: Node
  the node to update
Returns void
Inherited from Layer.update
- Defined in core/layer/Layer.ts:1002

`Protected` updateMaterial

updateMaterial(material): void
Parameters
- material: Material
Returns void
Inherited from Layer.updateMaterial
- Defined in core/layer/Layer.ts:1183

Class ElevationLayer<UserData>

Type Parameters

Hierarchy (view full)

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Type Parameters

Parameters

Returns ElevationLayer<UserData>

Properties

backgroundColor

Readonly colorMap

Readonly computeMinMax

disposed

Readonly extent

frozen

Readonly id

Readonly interpretation

Readonly isElevationLayer

Readonly isLayer

minmax

Type declaration

Optional isDefault?: boolean

max: number

min: number

Readonly name

Readonly noDataOptions

Readonly resolutionFactor

Readonly showEmptyTextures

Readonly showTileBorders

Readonly source

type

Readonly userData

Accessors

composer

Returns Readonly<LayerComposer>

loading

Returns boolean

progress

Returns number

ready

Returns boolean

visible

Returns boolean

Parameters

Returns void

Methods

Protected adjustExtent

Parameters

Returns Extent

Protected adjustExtentAndPixelSize

Parameters

Returns { extent: Extent; height: number; width: number; }

extent: Extent

height: number

width: number

Protected applyDefaultTexture

Parameters

Returns void

Protected applyEmptyTextureToNode

Parameters

Returns void

Protected applyTextureToNode

Parameters

Returns void

Protected canFetchImages

Returns boolean

clear

Returns void

contains

Parameters

Returns boolean

Protected deleteUnusedTargets

Returns void

dispose

Returns void

`Readonly` colorMap

`Readonly` computeMinMax

`Readonly` extent

`Readonly` id

`Readonly` interpretation

`Readonly` isElevationLayer

`Readonly` isLayer

`Optional` isDefault?: boolean

`Readonly` name

`Readonly` noDataOptions

`Readonly` resolutionFactor

`Readonly` showEmptyTextures

`Readonly` showTileBorders

`Readonly` source

`Readonly` userData

`Protected` adjustExtent

`Protected` adjustExtentAndPixelSize

Returns {
extent: Extent;
height: number;
width: number;
}

`Protected` applyDefaultTexture

`Protected` applyEmptyTextureToNode

`Protected` applyTextureToNode

`Protected` canFetchImages

`Protected` deleteUnusedTargets

`Protected` onInitialized

`Protected` onTextureCreated

`Protected` updateMaterial