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PP, Pixel
Placement
Command
The Pixel Placement (PP) command controls how pixels are
placed on the layout grid during polygon fills. The two pixel
placement modes are grid intersection or grid centered.
PP [mode;]
Parameter Format Functional
Range
Parameter
Default
mode clamped
integer
0 or 1 0 (grid
intersection)
mode
0 grid intersection; device draws
pixels centered at grid intersections
(see Figure 7-1).
1 grid centered; device draws pixels centered
inside the boxes created by the grid (see
Figure 7-1).
When the printer is set to grid-centered mode (mode 1),
portions of a polygon that are zero height or zero width are
not rendered. When the printer is set to grid intersection
mode (mode 0), portions that are zero height or width are
rendered as lines. Portions that are both zero height and
width are rendered as dots.
This command affects only HP-GL/2 polygons; it has no
effect on characters, rules, or raster graphics. This
command can be invoked multiple times during a page; it
has no effect except to switch the model used for imaging.
This command is the HP-GL/2 version of the PCL Pixel
Placement command. Whatever mode is selected, using the
HP-GL/2 PP command also applies to PCL operation.
Likewise the PCL Pixel Placement command also affects
HP-GL/2 pixel placement.
Color Vector Graphics (HP-GL/2) 7-21Color Vector Graphics (HP-GL/2) 7-21