Function decodeExtent

  • decodeExtent(encExtent): Extents

  • Parameters

    • encExtent: number

      number are in 0, 1, 2, 3, 4

    Returns Extents

    • remap to smaller values: 0 -> 512, 1 -> 1024, 2 -> 2048, 3 -> 4096, 4 -> 8192

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