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I
With parameters. this command selects the screening (fill) to be used for all
“vectors” (all lines except labels and ‘stroked’ characters).
T m c
TR [H:]
The transparency mode defines how the white areas of the source graphics
image affect the destination graphics image.
The parameter n specifies whether transparency mode is on (1) or off (0).
In the transparency mode, white source dots do not change the destination
pixel; in the opaque mode (non-transparency mode), such dots white out the
destination pixel.
Notethesimilaritytothestandard<ESC> *vnNcommand,butalso notethat
the opposite meanings of the parameter values. Also, there is no command
corresponding to the standard <ESC> *v n O.
U l t c
UL index [,gapl, ... gap20 ;]
Thiscommandcreateslinetypesby specifyinggap patterns,whichdefinethe
length of spaces and lines comprising a line type.
The index parameter is a clamped integer which can be range 1through 8. If
the index is negative, its absolute value is used.
A maximum of 20 gaps are allowed for each user-defined line type. Gap
values must be non-negative; a gap value of zero produces a dot if specified
for an odd numbered gap that is preceded or followed by a non-zero even-
numbered gap. The sum of the gap parameters must be greater than zero.
w u s c
WU h~e [:]
This command selects the unit to be used by Pen
Width (PW) command.
The ~Pe parameter specifieshow thewidth parameter of thePenWidth (pW)
command is interpreted; Ointerprets as Metric and 1interprets as Relative.
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