Interface HasLayers

ReadonlyhasLayers

layerCount

• get layerCount(): number

• Returns the number of layers currently in this object.

  Returns number

forEachLayer

• forEachLayer(callback): void

• Applies the callback to each layer in the object.

  Parameters

  • callback: ((layer: Layer<LayerEvents, LayerUserData>) => void)
    • • (layer): void

      • Parameters

        • layer: Layer<LayerEvents, LayerUserData>

        Returns void

  Returns void

getLayers

• getLayers(predicate?): Layer<LayerEvents, LayerUserData>[]

• Returns a new array containing the layers in this object. Optionally, the predicate can be used to filter out unwanted layers.

  // Get all layers from the object.
  const allLayers = obj.getLayers();
  
  // Get all color layers from the object.
  const colorLayers = obj.getLayers((layer) => layer.isColorLayer);
  Copy

  Parameters

  • Optionalpredicate: ((arg0: Layer<LayerEvents, LayerUserData>) => boolean)
    • • (arg0): boolean

      • Parameters

        • arg0: Layer<LayerEvents, LayerUserData>

        Returns boolean

  Returns Layer<LayerEvents, LayerUserData>[]