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:43

Properties

backgroundColor

backgroundColor: Color

`Readonly` colorMap

colorMap: null | ColorMap = null

The colormap of this layer

`Readonly` computeMinMax

computeMinMax: boolean

`Readonly` extent

extent: null | Extent = null

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.

`Readonly` isMemoryUsage

isMemoryUsage: true = ...

minmax

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

Type declaration

Optional isDefault?: boolean
max: number
min: number

`Readonly` name

name: undefined | 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<ImageSourceEvents>

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

`Protected` instance

get instance(): Instance
Returns Instance
Inherited from Layer.instance
- Defined in core/layer/Layer.ts:599

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:553

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:557

ready

get ready(): boolean
Returns boolean
Inherited from Layer.ready
- Defined in core/layer/Layer.ts:420

visible

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

Returns boolean
Inherited from Layer.visible
- Defined in core/layer/Layer.ts:541
set visible(v): void
Parameters
- v: boolean
Returns void
Inherited from Layer.visible
- Defined in core/layer/Layer.ts:545

Methods

addEventListener

addEventListener<T>(type, listener): void
Adds a listener to an event type.
Type Parameters
- T extends "visible-property-changed"
Parameters
- type: T
  The type of event to listen to.
- listener: EventListener<LayerEvents[T], T, ElevationLayer<UserData>>
  The function that gets called when the event is fired.
Returns void
Inherited from Layer.addEventListener
- Defined in ../node_modules/@types/three/src/core/EventDispatcher.d.ts:52
addEventListener<T>(type, listener): void
Type Parameters
- T extends string
Parameters
- type: T
- listener: EventListener<{}, T, ElevationLayer<UserData>>
Returns void
Inherited from Layer.addEventListener
- Defined in ../node_modules/@types/three/src/core/EventDispatcher.d.ts:56

`Protected` adjustExtent

adjustExtent(extent): Extent
Parameters
- extent: Extent
Returns Extent
Overrides Layer.adjustExtent
- Defined in core/layer/ElevationLayer.ts:79

`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:890

`Protected` applyDefaultTexture

applyDefaultTexture(target): void
Parameters
- target: Target
  The target.
Returns void
Inherited from Layer.applyDefaultTexture
- Defined in core/layer/Layer.ts:967

`Protected` applyEmptyTextureToNode

applyEmptyTextureToNode(target): void
Parameters
- target: Target
Returns void
Overrides Layer.applyEmptyTextureToNode
- Defined in core/layer/ElevationLayer.ts:157

`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:128

`Protected` canFetchImages

canFetchImages(): boolean
Returns boolean
Overrides Layer.canFetchImages
- Defined in core/layer/ElevationLayer.ts:105

clear

clear(extent?): void
Resets all render targets to a blank state and repaint all the targets.
Parameters
- Optional extent: Extent
  An optional extent to limit the region to clear.
Returns void
Inherited from Layer.clear
- Defined in core/layer/Layer.ts:512

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:1206

`Protected` deleteUnusedTargets

deleteUnusedTargets(): void
Returns void
Inherited from Layer.deleteUnusedTargets
- Defined in core/layer/Layer.ts:1267

dispatchEvent

dispatchEvent<T>(event): void
Fire an event type.
Type Parameters
- T extends "visible-property-changed"
Parameters
- event: BaseEvent<T> & LayerEvents[T]
  The event that gets fired.
Returns void
Inherited from Layer.dispatchEvent
- Defined in ../node_modules/@types/three/src/core/EventDispatcher.d.ts:84

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:1324

getExtent

getExtent(): undefined | 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 undefined | Extent
The layer final extent.
Inherited from Layer.getExtent
- Defined in core/layer/Layer.ts:648

getMemoryUsage

getMemoryUsage(context): void
Returns an approximation of the memory used by this object, in bytes.
Parameters
- context: GetMemoryUsageContext
  The graphics context.
Returns void
Inherited from Layer.getMemoryUsage
- Defined in core/layer/Layer.ts:424

getRenderTargetDataType

getRenderTargetDataType(): TextureDataType
Returns TextureDataType
Overrides Layer.getRenderTargetDataType
- Defined in core/layer/ElevationLayer.ts:64

getRenderTargetPixelFormat

getRenderTargetPixelFormat(): PixelFormat
Returns PixelFormat
Overrides Layer.getRenderTargetPixelFormat
- Defined in core/layer/ElevationLayer.ts:69

hasEventListener

hasEventListener<T>(type, listener): boolean
Checks if listener is added to an event type.
Type Parameters
- T extends "visible-property-changed"
Parameters
- type: T
  The type of event to listen to.
- listener: EventListener<LayerEvents[T], T, ElevationLayer<UserData>>
  The function that gets called when the event is fired.
Returns boolean
Inherited from Layer.hasEventListener
- Defined in ../node_modules/@types/three/src/core/EventDispatcher.d.ts:63
hasEventListener<T>(type, listener): boolean
Type Parameters
- T extends string
Parameters
- type: T
- listener: EventListener<{}, T, ElevationLayer<UserData>>
Returns boolean
Inherited from Layer.hasEventListener
- Defined in ../node_modules/@types/three/src/core/EventDispatcher.d.ts:67

loadFallbackImages

loadFallbackImages(): Promise<void>
Returns Promise<void>
Inherited from Layer.loadFallbackImages
- Defined in core/layer/Layer.ts:709

loadFallbackImagesInternal

loadFallbackImagesInternal(): Promise<void>
Returns Promise<void>
Inherited from Layer.loadFallbackImagesInternal
- Defined in core/layer/Layer.ts:654

`Protected` onInitialized

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

Returns Promise<void>
Overrides Layer.onInitialized
- Defined in core/layer/ElevationLayer.ts:91

onRenderingContextLost

onRenderingContextLost(): void
Called when the rendering context has been lost.

Returns void
Inherited from Layer.onRenderingContextLost
- Defined in core/layer/Layer.ts:500

onRenderingContextRestored

onRenderingContextRestored(): void
Called when the rendering context has been restored.

Returns void
Inherited from Layer.onRenderingContextRestored
- Defined in core/layer/Layer.ts:504

`Protected` onTextureCreated

onTextureCreated(texture): void
Parameters
- texture: Texture
Returns void
Overrides Layer.onTextureCreated
- Defined in core/layer/ElevationLayer.ts:162

postUpdate

postUpdate(): void
Returns void
Inherited from Layer.postUpdate
- Defined in core/layer/Layer.ts:1295

removeEventListener

removeEventListener<T>(type, listener): void
Removes a listener from an event type.
Type Parameters
- T extends "visible-property-changed"
Parameters
- type: T
  The type of the listener that gets removed.
- listener: EventListener<LayerEvents[T], T, ElevationLayer<UserData>>
  The listener function that gets removed.
Returns void
Inherited from Layer.removeEventListener
- Defined in ../node_modules/@types/three/src/core/EventDispatcher.d.ts:74
removeEventListener<T>(type, listener): void
Type Parameters
- T extends string
Parameters
- type: T
- listener: EventListener<{}, T, ElevationLayer<UserData>>
Returns void
Inherited from Layer.removeEventListener
- Defined in ../node_modules/@types/three/src/core/EventDispatcher.d.ts:78

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:109

update

update(context, node): void
Updates the provided node with content from this layer.
Parameters
- context: Context
  the context
- node: LayerNode
  the node to update
Returns void
Inherited from Layer.update
- Defined in core/layer/Layer.ts:1136

`Protected` updateMaterial

updateMaterial(material): void
Parameters
- material: Material
Returns void
Inherited from Layer.updateMaterial
- Defined in core/layer/Layer.ts:1309

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

Readonly extent

frozen

Readonly id

Readonly interpretation

Readonly isElevationLayer

Readonly isLayer

Readonly isMemoryUsage

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

Protected instance

Returns Instance

loading

Returns boolean

progress

Returns number

ready

Returns boolean

visible

Returns boolean

Parameters

Returns void

Methods

addEventListener

Type Parameters

Parameters

Returns void

Type Parameters

Parameters

Returns void

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

Parameters

`Readonly` colorMap

`Readonly` computeMinMax

`Readonly` extent

`Readonly` id

`Readonly` interpretation

`Readonly` isElevationLayer

`Readonly` isLayer

`Readonly` isMemoryUsage

`Optional` isDefault?: boolean

`Readonly` name

`Readonly` noDataOptions

`Readonly` resolutionFactor

`Readonly` showEmptyTextures

`Readonly` showTileBorders

`Readonly` source

`Readonly` userData

`Protected` instance

`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