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I can see it may have been described poorly. I think I even confused myself but here's what was meant.
(a) parallel to and facing the line
A3
_______________
A1 A2 ^
with A1 and A2 looking in the direction of the arrow.
(b) Still parallel but facing perpendicular to the line:
A3
_____________
A1 A2 >
with A1 and A2 looking in the direction of the arrow,
Then there's the stack....
A3
_______________
A1
A2
Last edited by sj; Tue Jan 23, 2007 at 01:12am.
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