Brother International HL-1070 Technical Reference - Page 340
EW - Edge wedge, HP-GL - 15
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2001/10/02 EW - Edge wedge EW r,q1,qc(,qd)[;] r ; Radius in user units or graphics units q1; Start point angle qc ; Arc angle qd ; Chord angle • Plots a wedge centred on the current position with radius r, start point angle q1, arc angle qc and chord angle qd. • After plotting, the cursor returns to its point of origin. • Plotting is performed whether the pen is up or down. • When scaling has been performed, the circle is plotted in user units. • Also, when scaling has been performed, the value for r is a real number. • When there is no scaling, the circle is plotted in graphics units. • When there is no scaling, the coordinate value for r is an integer number. • The value for q1 is a clamped real number. current position qc q1 r 0° reference point • q1 specifies the wedge starting point related to the 0 degree reference point. • When q1 is positive, the positive direction of the X axis relative to the current position is set at 0 degrees and the start point is sought in the counterclockwise direction. The opposite occurs when q1 is negative: the negative X axis is set at 0 degrees and the start point is sought by going clockwise. • qc specifies the angle of the wedge in degrees. • The value for qc is a real number. • Plotting proceeds counterclockwise when qc is positive and clockwise when negative. • The value for qd is a clamped real number. • When qd is not specified, the chord angle is the default value ( 5 degrees ) 10 ' *** EWEX *** 20 LPRINT "IN;SP2;FT3,100;" 30 LPRINT "PA5000,4000;" 40 LPRINT "WG1250,90,180,5;" 50 LPRINT "SP3;EW1250,90,180,5;" 60 LPRINT "SP4,FT4,100,45;" 70 LPRINT "WG1250,270,120;" 80 LPRINT "SP3;EW1250,270,120;" 80 LPRINT "SP1;PT.3;FT1;" 100 LPRINT "WG1250,30,60;" 110 LPRINT "SP3;EW1250,30,60;PG;" 120 END CHAPTER 9 HP-GL - 15