SegmentLonLat

Extends: Segment

Source: SegmentLonLat.ts:21

Planet segment Web Mercator tile class that stored and rendered with quad tree.

Constructor

Instance Methods

layerOverlap(layer)

Parameters

• layer

• TODO:
  • simplify layer._extentMerc in layer.getNativeExtent(this)

acceptForRendering(camera: Camera): boolean

Inherited from Segment#acceptForRendering

Overrides: Segment#acceptForRendering

Returns that segment good for rendering with camera by current lod ratio.

Parameters

• camera (Camera) — Camera object.

Returns

• boolean

getEntityTerrainPoint( entity: Entity, res: Vec3, normal?: Vec3, ): Vec3

Inherited from Segment#getEntityTerrainPoint

Overrides: Segment#getEntityTerrainPoint

Returns entity terrain point.

Parameters

• entity (Entity) — Entity.
• res (Vec3) — Point coordinates.
• normal (Vec3, optional) — Terrain point normal.

Returns

• Vec3

getTerrainPoint( xyz: Vec3, insideSegmentPosition: LonLat, res?: Vec3, normal?: Vec3, ): number

Inherited from Segment#getTerrainPoint

Overrides: Segment#getTerrainPoint

Returns distance from object to terrain coordinates and terrain point that calculates out in the res parameter.

Parameters

• xyz (Vec3) — Cartesian object position.
• insideSegmentPosition (LonLat) — Geodetic object position.
• res (Vec3, optional) — Result cartesian coordinates on the terrain.
• normal (Vec3, optional) — Terrain point normal.

Returns

• number

projectNative(lonlat: LonLat): LonLat

Inherited from Segment#projectNative

Overrides: Segment#projectNative

Project wgs86 to segment native projection.

Parameters

• lonlat (LonLat) — Coordinates to project.

Returns

• LonLat

loadTerrain(forceLoading: boolean)

Inherited from Segment#loadTerrain

Overrides: Segment#loadTerrain

Parameters

• forceLoading (boolean)

elevationsExists(elevations: Float32Array)

Inherited from Segment#elevationsExists

Overrides: Segment#elevationsExists

Terrain obtained from server.

Parameters

• elevations (Float32Array) — Elevation data.

elevationsNotExists()

Inherited from Segment#elevationsNotExists

Overrides: Segment#elevationsNotExists

Terrain is not obtained or not exists on the server.

deleteBuffers()

Inherited from Segment#deleteBuffers

Overrides: Segment#deleteBuffers

Delete segment gl buffers.

deleteMaterials()

Inherited from Segment#deleteMaterials

Overrides: Segment#deleteMaterials

Delete materials.

deleteElevations()

Inherited from Segment#deleteElevations

Overrides: Segment#deleteElevations

Delete elevation data.

clearSegment()

Inherited from Segment#clearSegment

Overrides: Segment#clearSegment

Clear but not destroy segment data.

_freeCache()

Inherited from Segment#_freeCache

Overrides: Segment#_freeCache

Removes cache records.

destroySegment()

Inherited from Segment#destroySegment

Overrides: Segment#destroySegment

Clear and destroy all segment data.

createBoundsByExtent()

Inherited from Segment#createBoundsByExtent

Overrides: Segment#createBoundsByExtent

Creates bound volumes by segment geographical extent.

getMaterialByLayer(layer: Layer): planetSegment.Material

Inherited from Segment#getMaterialByLayer

Overrides: Segment#getMaterialByLayer

Gets specific layer material.

Parameters

• layer (Layer) — Layer object.

Returns

• planetSegment.Material

_setExtentLonLat()

Inherited from Segment#_setExtentLonLat

Overrides: Segment#_setExtentLonLat

_getCyclicLonShift( sourceExtent: Extent, targetExtent: Extent, worldWidth: number, ): number

Inherited from Segment#_getCyclicLonShift

Overrides: Segment#_getCyclicLonShift

Computes cyclic longitude shift for sourceExtent to align it with targetExtent in wrapped horizontal coordinate space (for example, Web Mercator world copies).

Parameters

• sourceExtent (Extent) — Source extent to shift along longitude.
• targetExtent (Extent) — Target extent used as alignment reference.
• worldWidth (number) — Full world width in projection units.

Returns

• number — Longitude shift to apply to sourceExtent.

Instance Fields

node: quadTree.Node

Inherited from Segment#node

Overrides: Segment#node

Quad tree node of the segment.

planet: Planet

Inherited from Segment#planet

Overrides: Segment#planet

Planet pointer.

handler: Handler

Inherited from Segment#handler

Overrides: Segment#handler

WebGl handler pointer.

bsphere: Sphere

Inherited from Segment#bsphere

Overrides: Segment#bsphere

Segment bounding sphere

bbox: Box

Inherited from Segment#bbox

Overrides: Segment#bbox

Segment bounding box.

_extent: Extent

Inherited from Segment#_extent

Overrides: Segment#_extent

Geographical extent.

gridSize: number

Inherited from Segment#gridSize

Overrides: Segment#gridSize

Vertices grid size.

tileZoom: number

Inherited from Segment#tileZoom

Overrides: Segment#tileZoom

Tile zoom index.

tileX: number

Inherited from Segment#tileX

Overrides: Segment#tileX

Horizontal tile index.

tileY: number

Inherited from Segment#tileY

Overrides: Segment#tileY

Vertical tile index.

materials: Array.<planetSegment.Material>

Inherited from Segment#materials

Overrides: Segment#materials

Texture materials array.

plainReady: boolean

Inherited from Segment#plainReady

Overrides: Segment#plainReady

Plain segment vertices was created.

initialized: boolean

Inherited from Segment#initialized

Overrides: Segment#initialized

Segment is ready to create plain vertices.

normalMapReady: boolean

Inherited from Segment#normalMapReady

Overrides: Segment#normalMapReady

Normal map is allready made.

parentNormalMapReady: boolean

Inherited from Segment#parentNormalMapReady

Overrides: Segment#parentNormalMapReady

Parent normal map is made allready(optimization parameter).

terrainReady: boolean

Inherited from Segment#terrainReady

Overrides: Segment#terrainReady

Terrain is allready applied flag.

terrainIsLoading: boolean

Inherited from Segment#terrainIsLoading

Overrides: Segment#terrainIsLoading

Terrain is loading now flag.

terrainExists: boolean

Inherited from Segment#terrainExists

Overrides: Segment#terrainExists

Terrain existing flag.