Ltc
LT type[, pattern length [,mode ;]]
This comlmandspecifies the line pattern to be used when drawing lines
When no parameters are specified, this command selects asolid line and
saves the previous line type, pattern length and any unused portion of the
pattern. If there are parameters, apattern is selected as follows.
Patterns are described by the lengthof dashes and gaps, as apercentage of
thepattern length,startingwith adash.07crepresents adot.Patterns andtheir
codes are:
code pattern
o 0 (not aline,only one point)
10 100”
25050
3 7030
4 8010010
570101010
6501010101010
77010010010
8 50100101010010
Ifthe pattern code is negative, from –8 to –1, the pattern corresponds to the
absolute value of the code, but the pattern is “adaptive” and its length is
adjusted (up or down) to fit one or more complete patterns.
After asolid line has been selected by specifying LT without parameters,
pattern code 99 restores the previous linepattern and any residual pattern.
LT99is ignoredwhen anon-solid linepattern isselected. Whileplottingwith
asolidline pattern,the following commands clear the previous linetypeand
anyresidual pattern: AC, DF. IN, 1P,IR, IW, LA, LT, PW, RF, RO, SC, SP,
UL and WU.
The pattern length ismeasured as apercentage of the distance between P1
and P2 ifmode =O, or inmillimeters of mode =1.
If not specified,the current values of pattern length and mode are used.
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