API (v2.0.0) - Giro3D
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    Class MaskLayer<UserData>

    A ColorLayer that can be used to mask parts of a map. The source can be any source supported by the color layers.

    Type Parameters

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Properties

    backgroundColor colorMap computeMinMax extent frozen id interpretation isColorLayer isLayer isMaskLayer isMemoryUsage isPickableFeatures name noDataOptions resolutionFactor showEmptyTextures showTileBorders source type userData

    Accessors

    blendingMode brightness colorimetry contrast elevationRange instance loading maskMode opacity progress ready saturation visible

    Methods

    adjustExtent adjustExtentAndPixelSize applyEmptyTextureToNode applyInterimTexture applyTextureToNode clear contains dispose getExtent getMemoryUsage getPixel getRenderTargetDataType getRenderTargetPixelFormat getVectorFeaturesAtCoordinate getVectorFeaturesInExtent isLoaded loadFallbackImages loadFallbackImagesInternal onInitialized onRenderingContextLost onRenderingContextRestored onTextureCreated pickFeaturesFrom postUpdate unregisterNode update updateMaterial

    Constructors

    Properties

    backgroundColor: Color
    colorMap: ColorMap | null = null

    The colormap of this layer

    computeMinMax: boolean
    extent: Extent | null = null

    The extent of this layer

    frozen: boolean = false

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

    id: string

    The unique identifier of this layer.

    interpretation: Interpretation
    isColorLayer: boolean = true

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

    isLayer: boolean = true

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

    isMaskLayer: boolean = true

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

    isMemoryUsage: true = ...

    Readonly flag to indicate that his object implements MemoryUsage.

    isPickableFeatures: true
    name: string | undefined

    Optional name of this layer.

    noDataOptions: NoDataOptions
    resolutionFactor: number

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

    showEmptyTextures: boolean
    showTileBorders: boolean
    source: ImageSource

    The source of this layer

    type: string
    userData: UserData

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

    Accessors

    • get brightness(): number

      Gets or sets the brightness of this layer.

      Returns number

    • set brightness(v: number): void

      Parameters

      • v: number

      Returns void

    • get contrast(): number

      Gets or sets the contrast of this layer.

      Returns number

    • set contrast(v: number): void

      Parameters

      • v: number

      Returns void

    • get loading(): boolean

      Gets whether the object is currently performing an asynchronous operation.

      Returns boolean

    • 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

    • get saturation(): number

      Gets or sets the saturation of this layer.

      Returns number

    • set saturation(v: number): void

      Parameters

      • v: number

      Returns void

    Methods

    • 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 GridExtent

      And object containing the adjusted extent, as well as adjusted pixel size.

    • Resets all render targets to a blank state and repaint all the targets.

      Parameters

      • Optionalextent: Extent

        An optional extent to limit the region to clear.

      Returns void

    • 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 | undefined

      The layer final extent.

    • Get the pixels colors of this layer at coordinate. This will samples all pixel colors within a square region of specified size, centered at the given coordinate. Returns undefined if no non-transparent (colored) pixels are found, or if no texture is available for this coordinate.

      Note: only 8-bit layers are supported. If the layer has non 8-bit pixels, returns undefined.

      Parameters

      • params: { coordinates: Coordinates; size?: number }
        • coordinates: Coordinates

          The coordinate to sample.

        • Optionalsize?: number

          The size, in pixels, of the square to sample

          1

      Returns Color[] | undefined

      The colors

    • Returns all features at some coordinates, with an optional hit tolerance radius.

      Returns Feature<Geometry, { [x: string]: any }>[]

      Array of features at coordinates (can be empty)

    • Get all features whose bounding box intersects the provided extent. Note that this returns an array of all features intersecting the given extent in random order (so it may include features whose geometries do not intersect the extent).

      Returns Feature<Geometry, { [x: string]: any }>[]

      Array of features intersecting the extent (can be empty)

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