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plotben
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1991-11-22
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10.1.4 PLOT BENSON
The PLOT BENSON command is used to create plots on the Benson series 16 or
18 range of pen plotters or any plotter that supports the Benson PL format
plotting language or a compatible language.
Plots can be created at any size supported by the plotter and in up to 7
different colours.
COMMAND FORMAT
#PLOT BENSON [modifiers] :Win x1 x2
or
#PLOT BENSON [modifiers] [CR]
If the command is terminated with a colon, a plot window can be defined by
entering two locations to define the extents of a window. If the command
is terminated with a return, the entire sheet will be plotted. The bottom
left corner of the window or sheet is used as the plot origin.
The plot will be created at a one to one scale with the sheet size and
units.
MODIFIERS
TO Requires the name of a file or device to direct all plot
commands. If this modifier is omitted, then the plot commands
will be directed to the device PAR: - the parallel port - as
the plotter is usually connected to this port. If the plotter
is connected to the serial port then the command
#PLOT BENSON TO SER:
should be used.
Plot commands can be directed to a disk file for later or
background plotting.
SCALE Can be used to alter the scale of the plot. If the modifier
is omitted, then a scale of 1.0 will be used.
OFFSET The OFFSET modifier can be used to specify an xy offset for
the origin of the plot. The modifier requires 2 values
separated by a comma, these are the x and y values at which
to offset the plot origin. The values must be entered in
millimetres. For example:
#PLOT BENSON OFFSET 30,60
Will offset the origin of the plot by 30 millimetres in the
x direction and 60 millimetres in the y direction.
Negative values can be used.
ROTATE The ROTATE modifier can be used to specify that the drawing
should be rotated through 90 degrees prior to being plotted.
SHADEPITCH Used to specify the vertical distance between horizontal
lines used to emulate a colour filled polygon. The value
must be entered in millimetres. If this modifier is omitted,
a value of 0.5 mm is used.
NOFILL The NOFILL modifier can be used to inhibit any filled areas
of a drawing being plotted.
MONO The MONO modifier can be used to create a single colour plot.
All entities will be plotted using pen 1.
HARDFONT This modifier is used to indicate that X-CAD hardfonts
should be emulated using the built-in commands available
to the Benson plotting language. The next two modifiers
can be used to fine-tune the styles.
.DASHLENGTH For hardfont styles, this modifier is followed by a value
defining the stroke length for each pixel used to define
a hardfont style. The value must be entered in millimetres.
( The default is 2mm ).
.THICKPITCH For hardfont thicknesses, this modifier is followed by a
value defining the real value for a hardfont line thickness.
The value must be entered in millimetres. ( The default is
0.5mm ).
NOHARDFONT Specifies that all hardfont line styles should be plotted
using a solid line with no width.
SLEW The SLEW modifier is followed by a value specifying the
length of paper that should be advanced after the plot is
completed. Note, only continuous feed plotter support this
feature.