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Added the possibility for the plain midpoint class to allow also the correct interpolation of userdefined data by providing, in the constructor, an interpolator functor that will be called for each new vertex to be created.

This commit is contained in:
Paolo Cignoni 2014-03-04 00:35:44 +00:00
parent e042757e5a
commit 92d6da43d5
1 changed files with 25 additions and 3 deletions
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28
vcg/complex/algorithms/refine.h
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@ -107,18 +107,38 @@ const Split SplitTab[8]={
/* 1 1 1 */ {4, {{3,4,5},{0,3,5},{3,1,4},{5,4,2}}, {{0,0},{0,0}}, {{3,3,3},{0,3,2},{0,1,3},{3,1,2}} },
};
template <class MeshType>
struct BaseInterpolator
{
typedef typename face::Pos<typename MeshType::FaceType> PosType;
typedef typename MeshType::VertexType VertexType;
void operator()(VertexType &, PosType ){}
};
// Basic subdivision class
// This class must provide methods for finding the position of the newly created vertices
// In this implemenation we simply put the new vertex in the MidPoint position.
// Color and TexCoords are interpolated accordingly.
template<class MESH_TYPE>
// This subdivision class allow also the correct interpolation of userdefined data by
// providing, in the constructor, an interpolator functor that will be called for each new vertex to be created.
template<class MESH_TYPE, class InterpolatorFunctorType = BaseInterpolator< MESH_TYPE> >
struct MidPoint : public std::unary_function<face::Pos<typename MESH_TYPE::FaceType> , typename MESH_TYPE::CoordType >
{
MidPoint(MESH_TYPE *_mp) { mp=_mp; }
typedef typename face::Pos<typename MESH_TYPE::FaceType> PosType;
typedef typename MESH_TYPE::VertexType VertexType;
MidPoint(MESH_TYPE *_mp,
InterpolatorFunctorType *_intFunc=0) {
mp=_mp;
intFunc =_intFunc;
}
MESH_TYPE *mp;
InterpolatorFunctorType *intFunc; /// This callback is called to fill up
void operator()(typename MESH_TYPE::VertexType &nv, face::Pos<typename MESH_TYPE::FaceType> ep){
void operator()(VertexType &nv, PosType ep){
assert(mp);
nv.P()= (ep.f->V(ep.z)->P()+ep.f->V1(ep.z)->P())/2.0;
@ -133,6 +153,8 @@ struct MidPoint : public std::unary_function<face::Pos<typename MESH_TYPE::Fac
if( tri::HasPerVertexTexCoord(*mp))
nv.T().P() = ((ep.f->V(ep.z)->T().P()+ep.f->V1(ep.z)->T().P())) / 2.0;
if(intFunc)
(*intFunc)(nv,ep);
}
Color4<typename MESH_TYPE::ScalarType> WedgeInterp(Color4<typename MESH_TYPE::ScalarType> &c0, Color4<typename MESH_TYPE::ScalarType> &c1)