Interface IProjection

ReadonlyID

Readonlylon0

ReadonlymapDepth

ReadonlymapHeight

ReadonlymapWidth

getLonLatBoundsFromXYZ

• getLonLatBoundsFromXYZ(x: number, y: number, z: number): BoundsType

  根据瓦片坐标计算经纬度边界

  Parameters

  • x: number
  • y: number
  • z: number

  Returns BoundsType

getProjBoundsFromLonLat

• getProjBoundsFromLonLat(bounds: BoundsType): BoundsType

  根据经纬度范围计算投影坐标边界

  Parameters

  • bounds: BoundsType

  Returns BoundsType

getProjBoundsFromXYZ

• getProjBoundsFromXYZ(x: number, y: number, z: number): BoundsType

  根据瓦片坐标计算投影坐标边界

  Parameters

  • x: number
  • y: number
  • z: number

  Returns BoundsType

getTileXWithCenterLon

• getTileXWithCenterLon(x: number, z: number): number

  根据中央经线偏移计算瓦片 X 坐标

  Parameters

  • x: number
  • z: number

  Returns number

project

• project(lon: number, lat: number): { x: number; y: number }

  经纬度转投影坐标

  Parameters

  • lon: number
  • lat: number

  Returns { x: number; y: number }

unProject

• unProject(x: number, y: number): { lat: number; lon: number }

  投影坐标转经纬度

  Parameters

  • x: number
  • y: number

  Returns { lat: number; lon: number }