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2001/10/02
CHAPTER 4 HP-GL/2 - 47
90 LPRINT "DT";"
100 LPRINT "DT0,2;LB_*_1988#"; "DI2,2;LB_*_1989#";
110 LPRINT "DT2,0;LB_*_1990#"; "DI2,-2;LB_*_1991#";
120 LPRINT "DT0,-2;LB_*_1992#"; "DI-2,-2;LB_*_1993#";
130 LPRINT "DT-2,0;LB_*_1994#"; "DI-2,2;LB_*_1995#";
140 LPRINT "PA3500,5350;DI", COS(0),SIN(0); "LB_*_2000"; CHR$(13); "#";
150 LPRINT "DI", COS(RAD); SIN(RAD); "LB_RETURN POINT"; CHR$(13); "#";
160 LPRINT CHR$(27); "%0A";
170 LPRINT CHR$(27); "E";
180 END
<sample 54>
DR - Relative direction
DR [ run, rise ] [;]
run : X-component of the printing direction expressed as a percentage of the x-component of the distance
between P1 and P2.
rise : Y-component of the printing direction expressed as a percentage of the y-component of the distance
between P1 and P2.
• This command determines the direction in which subsequent labels will be printed.
• Values for run and rise are clamped real numbers.
• The instruction is ignored if run and rise are both 0.
• When you issue a DR instruction the carriage return point is set to the current pen location.
• Any text path that you set with the DV instruction will combine with the current printing direction to
determine the layout of characters on the page.
• If you change the positions of P1 and P2 the printing direction will change accordingly.
• If you omit the parameters the printing direction is horizontal and the run = 1% of |P2X-P1X|.
• Actual values for run and rise are changed relative to the P1 and P2 value. It is calculated as below:
actual run = run parameter ÷ 100 x (P2x - P1x)
actual rise = rise parameter ÷ 100 x (P2y - P1y)
θ
run=70%
rise = 60%
(70,0)
(0,60)
(0, 100)
(0, 100)
(100, 100)