lnum# property Geometry.lnum: ndarray[Any, dtype[int32]]# Array of line numbers. Examples >>> mapdl.block(0, 1, 0, 1, 0, 1) >>> mapdl.lnum array([ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12], dtype=int32)