Am 02.04.2010 19:35, schrieb Kenneth:

>> #local Direction = (B-A);
>
> A more general rule-of-thumb would be
>
> #local Direction = (<...ending point...>  -<...starting point...>)
>
> in case MadKairon decided to start at B and end at A. But perhaps that's obvious
> from your reply.  ;-)

Not from my reply, but from his question :-P

But of course you're right, the general formula is... well, more general 
;-).

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