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Added the functor PointNormalDistanceFunctor used in the GetClosestFaceNormal.

This commit is contained in:
Paolo Cignoni 2009-05-23 20:12:58 +00:00
parent a0a965f17c
commit 57a202111c
1 changed files with 37 additions and 0 deletions
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37
vcg/simplex/face/distance.h
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@ -254,6 +254,43 @@ namespace vcg {
};
template <class S>
class PointNormalDistanceFunctor {
public:
typedef typename S::ScalarType ScalarType;
typedef S QueryType;
static inline const Point3<ScalarType> & Pos(const QueryType & qt) {return qt.P();}
static ScalarType & Alpha(){static ScalarType alpha = 1.0; return alpha;}
static ScalarType & Beta (){static ScalarType beta = 1.0; return beta;}
static ScalarType & Gamma(){static ScalarType gamma = 1.0; return gamma;}
static ScalarType & InterPoint(){static ScalarType interpoint= 1.0; return interpoint;}
template <class FACETYPE, class SCALARTYPE>
inline bool operator () (const FACETYPE &f, const typename FACETYPE::VertexType &p,
SCALARTYPE & minDist,Point3<SCALARTYPE> & q)
{
const Point3<typename FACETYPE::ScalarType> fp = Point3<typename FACETYPE::ScalarType>::Construct(p.cP());
const Point3<typename FACETYPE::ScalarType> fn = Point3<typename FACETYPE::ScalarType>::Construct(p.cN());
Point3<typename FACETYPE::ScalarType> fq;
typename FACETYPE::ScalarType md = (typename FACETYPE::ScalarType)(minDist);
const bool ret=PointDistance(f,fp,md,fq);
SCALARTYPE dev=InterPoint()*(pow((ScalarType)(1-f.cN().dot(fn)),(ScalarType)Beta())/(Gamma()*md+0.1));
if (md+dev < minDist){
minDist = (SCALARTYPE)(md+dev);
q = Point3<SCALARTYPE>::Construct(fq);
//q.N() = f.N();
return (ret);
}
return false;
}
};
/// BASIC VERSION of the Point-face distance that does not require the EdgePlane Additional data.
/// Given a face and a point, returns the closest point of the face to p.
/// it assumes that the face has Normalized Normal and on the flags stored the preferred orientation.