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SGS — Simple Graphics System
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SGS_BPOLY
Begin polyline
ACTION:
Indicates that a new chain of lines (could be only one line) is to begin at the specified point. Further end points are added by
SGS_APOLY
. Any existing buffered polyline is output first.
CALL:
SGS_BPOLY(x,y)
INPUT PARAMETERS:
x
,
y
R
S
t
a
r
t
i
n
g
c
o
o
r
d
i
n
a
t
e
s
f
o
r
p
o
l
y
l
i
n
e
.
GKS EFFECT:
Any existing buffered polyline is output first by calling the GKS polyline routine. Then the starting position of the new polyline is saved.
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SGS — Simple Graphics System
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