> From: Brian Schott <[email protected]>
>
> Oleg's demo script pointpoly.ijs is elegant as we
> have seen repeatedly from its author. The heart of the
> script is the verb crossPnP also at the same jwiki link:
>
> http://www.jsoftware.com/jwiki/Phrases/Geometry
>
> (The code is under the heading "Crossing Number" near the
> bottom of the page.)
>
> In other threads, J contributions to RosettaCode.org
> are being developed and discussed. Is it appropriate to add
> crossPnP at the following link or does it violate the
> spirit of the expressed problem?
>
> http://rosettacode.org/wiki/Point_in_polygon_(ray_casting_algorithm)
>
This is a good idea. I included the sample polys and points
from Rosetta. But haven't found the test results to verify.
So a sample UI is included to visualize the results.
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