Brother International HL-1070 Technical Reference - Page 337
Lprint In;sp1;ip2650
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2001/10/02 • Plotting is performed only when the pen is down. • When the pen is up, plotting is not performed but the cursor position moves to the plot end point. • When scaling has been performed, the cursor is moved by relative coordinates in user units. • Also, when scaling has been performed, the values for X and Y are real numbers. • When there is no scaling, the cursor is moved by relative coordinates in graphics units. • When there is no scaling, the coordinate values for X and Y are integer numbers. • The value for qc is a clamped real number. • When qc is positive, counterclockwise plotting from the current point is performed. • When qc is negative, plotting is made clockwise from the current position. • The value for qd is a clamped real number. • When qd is not specified, the chord angle is the default value ( 5 degrees ). 10 '*** AREX1 *** 20 LPRINT "IN;SP1;IP2650,1325,7650,6325;" 30 LPRINT "SC-100,100,-100,100;" 40 LPRINT "PA-80,-80;PD;AR0,50,90;AR50,0,90;PU;" 50 END 10 ' *** AREX2 *** 20 LPRINT "IN;SP1;IP2650,1325,7650,6325;" 30 LPRINT "SC-100,100,-100,100;" 40 LPRINT "PA-100,70;PD;PR30,0;AR-,-70,-90;AR70,0,90;PR60,0;PU;" 50 END 100 END CI - Circle plot CI r(, qd)[;] r : Radius of circle ( in user units or graphic units ) qd : Chord angle ( in degrees ) • Plots a circle centred on the current position with a radius r and chord angle qd. • After plotting, the cursor returns to its point of origin at the centre of the circle. • 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 scaling is off, the circle is plotted in graphics units. • When there is no scaling, the coordinate value for r is an integer number. • When qd is not specified, the chord angle is the default value (5 degrees). Radius Chord angle Current position CHAPTER 9 HP-GL - 12
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