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qbia

       'qbia' RETURN 'w'|'a'|'i'|'c'|'1'-'9'|' 10'-' 99'|'q'

This keyword is used to change the bias of a line. The bias defines a coarsening or refinement of the mesh along a line. The number defines the ratio of the length of the first element to the length of the last element at a given line. It works by pressing a number between 1 and 9 when the mouse pointer is at the position of a line. To define numbers between 10 and 99 press the space bar when the mouse pointer is at the position of a line and then the number. To select more than one line with one stroke, type ``a'' before and create a rectangular picking area by pressing two times the ``r'' key. Both strokes define opposite corners of the rectangle. To select only one line type ``i'' before. Press ``c'' to change the direction of the bias. Press ``q'' to quit the command (see alse bia).