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vlt.math.rect2rect

  RECT2RECT - Convert among rectangle formats, eg [left bottom width height]->[left top right bottom]

    R_OUT = vlt.math.rect2rect(R_IN, DIRECTION)

    Converts rectangle R_IN to R_OUT according to format specified in DIRECTION.

    DIRECTION should be a string 'IN2OUT', where IN and OUT can be any of:
      'ltrb'   [left top right bottom]
      'lbrt'   [left bottom right top]
      'lbwh'   [left bottom width height]
      'ltwh'   [left top width height]

    Case is ignored in the DIRECTION command.

    See also: RESCALE_RECT