corrected one bug in closest point
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@ -186,7 +186,7 @@ typedef Ray2<double,true> Ray2dN;
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/// returns closest point
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template <class ScalarType, bool NORM>
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Point2<ScalarType> ClosestPoint( Ray2<ScalarType,NORM> r, const Point3<ScalarType> & p)
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Point2<ScalarType> ClosestPoint( Ray2<ScalarType,NORM> r, const Point2<ScalarType> & p)
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{
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ScalarType t = r.Projection(p);
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if (t<0) return r.Origin();
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