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from visual import *
x = arrow( color=color.red)
tip = label( text="tip", space=0.2, pos=(1,0), opacity=0.5)
tail = label( text="tail", xoffset=20, yoffset=10, opacity=0.5)
midp = label( text="a\nmidpoint", xoffset=10, yoffset=20, pos=(.5,0), opacity=0.5)
print """You should see a single arrow with three labels attached to it.
Each label is translucent. The one at the tip should be centered at
the tip. The head and tail labels have a single line of text.
The midpoint label has two."""
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