@kognifai/cogsengine
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    Class TileLayerView

    Draw 2D Map files for online maps. Supports WMS and WMTS tile formats.

    Index

    Constructors

    constructor

    Properties

    camera cameraController cogsControl lastRenderTime mapLodLevel mapRootLodLevel mapViewBox mapViewBoxChangedCallbacks mode2d quadTreeOutlineEntity rasterSource requestDict tileCache tileMeshes tilesInUse transparency viewProjMat viewRect viewRectEntity visible zPos

    Methods

    addMapViewBoxChangedCallback cameraChanged cleanCache getMapViewBox initialize notifyMapViewBoxChanged release renderQuadTree resizeCallback setVisible showQuadTreeOutline showViewRect tileLoadedCallback updateLodAndViewRect updateLodLevel updateViewRect

    Constructors

    • TileLayerView can show tiled map data. WMS or WMTS supported for now. Not a full terrain engine. Navigation requires the OrbitingCameraController component to be added to the Camera.

      Parameters

      Returns TileLayerView

      const camera = control.runtime.scene.camera;
        // Must be available:
        const cameraController = camera.getComponent(runtime.OrbitingCameraController);
        const viewContext: TileLayerViewContext = {
           cogsControl: control,
           camera: camera,
           cameraController : cameraController,
           mode2d: false
        }

    Properties

    camera: Camera
    cameraController: OrbitingCameraController
    cogsControl: Control
    lastRenderTime: number = ...
    mapLodLevel: number = 0
    mapRootLodLevel: number
    mapViewBox: MapViewBox = ...

    hashmap with the four corners of the visible area (lowerLeft etc)

    mapViewBoxChangedCallbacks: ViewBoxChangedCallbacks[] = []
    mode2d: boolean

    if set to true, all tiles will be displayed with same lod and we assume orthographic camera viewing directly down at tiles.

    quadTreeOutlineEntity: LineShape
    rasterSource: WmsRasterSource | WmtsRasterSource
    requestDict: Record<string, boolean> = {}

    hashmap with tileId we are requesting

    tileCache: Record<string, TileCacheEntry> = {}

    dictionary with tildIdString as key and TileCacheEntry as value

    tileMeshes: Mesh[][]
    tilesInUse: Record<string, boolean> = {}

    hashmap with tileId of tiles in use by current quadtree

    transparency: number = 0
    viewProjMat: mat4 = ...
    viewRect: TileLayerViewRect = ...
    viewRectEntity: LineShape
    visible: boolean = true
    zPos: number = 0

    Methods

    • Returns void

    • Parameters

      • tilesInUse: Record<string, boolean>

      Returns void

    • Initialize to prepare for rendering.

      Returns void

    • Returns void

    • cleanup: Remove all entities in map

      Returns void

    • Returns void

    • Returns void

    • Parameters

      • visible: boolean

      Returns void

    • Parameters

      • show: boolean

      Returns void

    • Parameters

      • show: boolean

      Returns void

    • Returns void

    • Returns void

    • Parameters

      • sceneHeight: number

      Returns void

    • Parameters

      • sceneHeight: number

      Returns void

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