unify.h

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  History

$Log: not supported by cvs2svn $
Revision 1.8  2005/10/03 16:16:54  spinelli
used new version of grid query

Revision 1.7  2005/09/19 13:10:12  spinelli
fixed bugs

Revision 1.6  2005/09/14 14:34:41  spinelli
used new version of Grid_ptr

Revision 1.5  2005/05/30 09:42:05  spinelli
std::std::vector<PVertex> sostituito con std::vector<PVertex>

Revision 1.4  2005/05/30 09:13:08  ganovelli
error in include

Revision 1.3  2005/05/17 21:19:37  ganovelli
some std::and typename  missing  (CRS4)

Revision 1.2  2005/03/08 14:42:22  ganovelli
added vcg header


****************************************************************************/

#ifndef __VCGLIB__UNIFY
#define __VCGLIB__UNIFY

#include <vcg/space/index/grid_static_ptr.h>
#include <vcg/space/box3.h>
#include <vcg/complex/edgemesh/update/bounding.h>
#include <vector>

namespace vcg
        {
                template <class EdgeMeshType>
                struct Unify{

                        template <class MESH_TYPE,class OBJ_TYPE>
                        class Tmark
                        {
                                MESH_TYPE m;
                        public:
                                Tmark(MESH_TYPE &_m):m(_m){}
                                void UnMarkAll(){m.UnMarkAll();}
                                bool IsMarked(OBJ_TYPE* obj){return (m.IsMarked(obj->v));}
                                void Mark(OBJ_TYPE* obj){m.Mark(obj->v);}
                        };


                        typedef typename EdgeMeshType::VertexPointer VertexPointer;
                        typedef typename EdgeMeshType::EdgePointer   EdgePointer;
                        typedef typename EdgeMeshType::ScalarType ScalarType;
                        typedef typename EdgeMeshType::CoordType CoordType;

                        struct PVertex:EdgeMeshType::VertexType
                        {
                                typedef typename EdgeMeshType::ScalarType ScalarType;
                                VertexPointer  v;               // the two Vertex pointer are ordered!
                                EdgePointer    e;                 // the edge where this vertex belong
                                int      z;                                   // index in [0..2] of the edge of the face
                                PVertex(EdgePointer  pe, const int nz ):e(pe),z(nz),v(pe->V(nz)){}
                                /*bool Dist(Point3<ScalarType> p,ScalarType & d,Point3<ScalarType>& res)
                                {
                                        res = p;
                                        ScalarType _d =vcg::Distance(p,v->P());
                                        if(d > _d)
                                        {
                                                d = _d;
                                                return true;
                                        }
                                        return false;
                                }*/

                                void GetBBox(vcg::Box3<ScalarType> & bb){
                                        bb.Add(v->P());
                                }
                                bool IsD(){
                                        return v->IsD();
                                }
                        };
                        typedef GridStaticPtr<	PVertex > GridType;

                        static void Join(PVertex pv0,PVertex & pv1){
                                pv1.e->V(pv1.z) = pv0.v;
                                pv1.e = NULL;
                        }
                        
                        class BackCompDist {
                        public:
                                inline bool operator () (const PVertex & obj, const CoordType & pt, ScalarType & mindist, CoordType & result) {
                                        result = pt;
                                        ScalarType _d =vcg::Distance(result,obj.v->P());
                                        if(mindist < _d)
                                        {
                                                mindist = _d;
                                                return true;
                                        }
                                        return false;
                                }
                        };

                        static GridType & Grid(){static GridType grid; return grid; }

                        static void Vertices(EdgeMeshType & em,   ScalarType   epsilon){
                                typename EdgeMeshType::EdgeIterator ei;

                                typedef Tmark<EdgeMeshType,PVertex> Marker;
                                Marker tm=Marker(em);

                                bool lastRound ;
                                if(em.vn){
                                        vcg::edg::UpdateBounding<EdgeMeshType>::Box(em);
                                        //Grid().SetBBox(em.bbox);

                                        std::vector<PVertex> pv;
                                        for(ei = em.edges.begin(); ei != em.edges.end();++ei){
                                                pv.push_back(PVertex(&*ei,0));
                                                pv.push_back(PVertex(&*ei,1));
                                        }                                       
                                        Grid().Set(pv.begin(), pv.end() );
                                        typename std::vector<PVertex>::iterator pvi;
                                        Point3<ScalarType> p;
                                        PVertex * closest;
                                        do{
                                                lastRound = true;
                                                for(pvi = pv.begin(); pvi != pv.end(); ++pvi)
                                                        if((*pvi).e)
                                                        {
                                                                float eps = epsilon;
                                                                Point3<ScalarType> vpos =(*pvi).v->P() ;
                                                                (*pvi).v->SetD();
                                                                ScalarType max_dist=em.bbox.Diag();
                                                                ScalarType min_dist = 0;
                                                                p =  (vcg::tri::GetClosestVertex<EdgeMeshType, GridType>( em, Grid(), vpos, 
                                                                        max_dist, min_dist))->P();

                                                                //closest  = Grid().GetClosest<BackCompDist,Marker>(vpos, max_dist, BackCompDist(), eps, p,tm);
                                                                //closest  = Grid().GetClosest(vpos,eps,p);
                                                                (*pvi).v->ClearD();


                                                                if(closest){

                                                                        if(closest->e)
                                                                        {
                                                                                Join(*pvi,*closest);
                                                                                lastRound = false;
                                                                        }
                                                                }

                                                        }
                                        }while(!lastRound);

                                }
                        } // end Vertices
                }; // end class

        } // end namespace

#endif

---

vcglib
Author(s): Christian Bersch
autogenerated on Fri Jan 11 09:18:16 2013