jot: zcross_extractor.C Source File

00001 /*!
00002  *  \file zcross_extractor.C
00003  *  \brief Contains the implementation of the ZCrossExtractor class.
00004  *
00005  *  \sa zcross_extractor.H
00006  *
00007  */
00008 
00009 #include "mesh/zcross_extractor.H"
00010 
00011 ZCrossPreviousFaceGenerator::ZCrossPreviousFaceGenerator()
00012 {
00013    
00014    gen_face = gen_all_faces;
00015    
00016 }
00017 
00018 void
00019 ZCrossPreviousFaceGenerator::init(const std::vector<ZXseg> &segs)
00020 {
00021    
00022    prev_faces.clear();
00023    
00024    if(segs.empty()){
00025       
00026       gen_face = gen_all_faces;
00027       
00028    } else {
00029       
00030       gen_face = gen_prev_faces;
00031       
00032       prev_faces.resize(segs.size());
00033       
00034       for(unsigned long i = 0; i < segs.size(); ++i){
00035          
00036          if(segs[i].f()) prev_faces[i] = segs[i].f()->index();
00037          
00038       }
00039       
00040    }
00041       
00042 }
00043 
00044 int
00045 ZCrossPreviousFaceGenerator::gen_prev_faces(ZCrossPreviousFaceGenerator *self)
00046 {
00047    
00048    int val = -1;
00049    
00050    if(!self->prev_faces.empty()){
00051       
00052       val = self->prev_faces.back();
00053       self->prev_faces.pop_back();
00054       
00055    }
00056    
00057    return val;
00058    
00059 }