Variables
depthOffset
depthOffset: number
depthSlope
depthSlope: number
initialized
initialized: boolean
lastDepth
lastDepth: number
lastTileURL
lastTileURL: string | null
waterBlueColorRange
waterBlueColorRange: number[]
waterColour
waterColour: string
waterRedColorRange
waterRedColorRange: number[]
zoomLevel
zoomLevel: number