Brother HL-Series Technical Reference Manual page 287

Revision C 16/01/96
AT - Absolute Arc Three Point
AT X , Y , X
1 1
X ; x-coordinate of intermediate point
1
X ; x-coordinate of end point
2
qd ; the chord angle used to draw the arc
• All coordinates are absolute and in current units.
• The command draws an arc from the current position, through the specified intermediate position and
finishing at the specified end position.
• After completion of the command the current cursor position is at the end of the arc.
• An arc can be drawn clockwise or anti-clockwise.
• If the current scaling mode is not isotropic, the arc may be elliptical rather than circular.
• The chord angle must be in the range 0.5° to 180°.
• The default chord angle is 5°.
10 '--Absolute Arc Three Point--
20 WIDTH "LPT1:",255
30 LPRINT CHR$(27);"E";
40 LPRINT CHR$(27);"%0B";
50 LPRINT "IN;SP1;";
60 LPRINT "PA1000,100;PD2500,100;"
70 LPRINT "PU650,1150;PD1000,1150;"
80 LPRINT "PU650,450;PD1000,450;"
90 LPRINT "PU1000,100;PD1000,1500,2500,1500;"
100 LPRINT "AT3200,800,2500,1500;"
110 LPRINT "PU3200,900;PD;"
120 LPRINT "AT3300,800,3200,700;"
130 LPRINT "PU3300,800;PD3500,800;"
140 LPRINT CHR$(27);"%0A";
150 LPRINT CHR&(27);"E";
160 END
<Sample 28>
, Y [, qd ] [;]
2 2
Chapter 8 "HP-GL2" 21
Y ; y-coordinate of intermediate point
2
y ; y-coordinate of end point
2