Face.classify_point question

[barry_milliken_droid]

I’m using Face.classify_point but only need a 2d version that ignores Z.
I thought I read about such a method somewhere but can’t remember where it was.(?)

[jiminybillybob]

http://www.sketchup.com/intl/en/developer/docs/ourdoc/geom#point_in_polygon_2D