Re: geometric utilities

[mikeg2@my-dejanews.com]

In article <Pine.BSF.3.96.980605150858.22568C-100000@shell5.ba.best.com>,
  Brian Rogoff <bpr@shell5.ba.best.com> wrote:

>
> Mike,
> 	The first problem is that you posted Pascal code to an Ada
> newsgroup :-).
>
> 	I just wrote down a naive Point_In_Polygon in Ada, untested (I'm
> Adaless for now). It should be easy to modify for whatever you're doing,
> and its pretty self explanatory if you understand ray casting. It doesn't
> have the same preconditions as what you posted. Try this if you can't
> figure out the code you have. This is definitely hacked up on the fly,
> and so serves as a counterexample that you can't hack in Ada ;-).
>
> -- Brian
>

thanks brian, your code seems to do the trick and was pretty easily integrated
with what i have.  i never could figure out what was wrong with the other
algorithm (sorry about the pascal, that's how it appeared in the textbook ;).

-mike

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