Graphics Reference
In-Depth Information
ggplot(islice, aes(x
=
x, y
=
y))
+
geom_segment(aes(xend
=
x
+
vx
/
50
, yend
=
y
+
vy
/
50
),
size
=
0.25
)
# Make the line segments 0.25 mm thick
