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5 Symbols
curves
can also place symbols.
\curvesymbol
must first define the symbol as anything a
\put
or
\multiput
may draw. A negative symbol count between drawing command and coordinates
e.g.,
\tagcurve[-3](0,100,...)
fixes the number of symbols per curve segment.
These commands draw flight times and successive positions in the following drawing:
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\newcounter{time}
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\curvesymbol{\thetime\,s\addtocounter{time}{1}}
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\put(5,4){\curve[-2](0,0, 9.8,19.6, 19.6,0)}
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\curvesymbol{\phantom{\circle*{1}}\circle*{1}}
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\put(5,2){\curve[-2](0,0, 9.8,19.6, 19.6,0)}
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where
\phantom
is a plain TEX command from the TEXbook
.
Successive positions of a sphere with initial position
m,
initial velocity
m/s, and acceleration
m/s
.
The flight time is recorded above each sphere position.
Fixed spacing of symbols at lengths other than the segment's requires more commands. Empty
\curvedashes
, empty
\curvesymbol
and negative symbol count stops drawing so a drawing command will calculate
\curvelength
only.
\curvesymbol