HP LaserJet 4100 HP PCL/PJL reference (PCL 5 Printer Language) - Technical Ref - Page 273
DI, Absolute Direction, No Parameters, Run or Cos, Rise or Sin, Parameter, Format, Functional Range
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DI, Absolute Direction This command specifies the slope or direction at which characters are drawn, independent of P1 and P2 settings. Use DI to change labeling direction when you are labeling curves in line charts, schematic drawings, blueprints, and survey boundaries. DI run,rise [;] or DI [;] Table 23-12 Parameter run (or cos θ) rise (or sin θ) Format clamped real clamped real Functional Range -32768 to 32767 -32768 to 32767 Default 1 0 The DI command updates the Carriage Return point to the current location. While DI is in effect, with or without parameters, the label direction is not affected by changes in the locations of P1 and P2. However, the Define Variable Text Path (DV) command interacts with the DI command (and DR), as explained later in this section. z No Parameters - Defaults the label direction to absolute and horizontal (parallel to X-axis). Equivalent to (DI1,0). z Run or Cos θ - Specifies the X-component of the label direction. z Rise or Sin θ - Specify the Y-component of the label direction. • Together, the parameters specify the slope and direction of the label. EN DI, Absolute Direction 23-29