geometry.cpp

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 *  Copyright (c) 2006, Michael Kazhdan and Matthew Bolitho,
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 * $Id: geometry.cpp 5036 2012-03-12 08:54:15Z rusu $
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#include <pcl/surface/poisson/geometry.h>


namespace pcl {
  namespace poisson {

    // CoredMeshData //

    TriangulationEdge::TriangulationEdge(void){pIndex[0]=pIndex[1]=tIndex[0]=tIndex[1]=-1;}
    TriangulationTriangle::TriangulationTriangle(void){eIndex[0]=eIndex[1]=eIndex[2]=-1;}

    // CoredVectorMeshData //
    CoredVectorMeshData::CoredVectorMeshData (void) : oocPoints (), polygons (), polygonIndex (0), oocPointIndex (0) {}

    void CoredVectorMeshData::resetIterator ( void ) { oocPointIndex = polygonIndex = 0; }
    int CoredVectorMeshData::addOutOfCorePoint(const Point3D<float>& p){
      oocPoints.push_back(p);
      return int(oocPoints.size())-1;
    }
    int CoredVectorMeshData::addPolygon( const std::vector< CoredVertexIndex >& vertices )
    {
      std::vector< int > polygon( vertices.size() );
      for( unsigned i=0 ; i<vertices.size() ; i++ )
        if( vertices[i].inCore ) polygon[i] =  vertices[i].idx;
        else                     polygon[i] = -vertices[i].idx-1;
      polygons.push_back( polygon );
      return int( polygons.size() )-1;
    }
    int CoredVectorMeshData::nextOutOfCorePoint(Point3D<float>& p){
      if(oocPointIndex<int(oocPoints.size())){
        p=oocPoints[oocPointIndex++];
        return 1;
      }
      else{return 0;}
    }
    int CoredVectorMeshData::nextPolygon( std::vector< CoredVertexIndex >& vertices )
    {
      if( polygonIndex<int( polygons.size() ) )
      {
        std::vector< int >& polygon = polygons[ polygonIndex++ ];
        vertices.resize( polygon.size() );
        for( unsigned i=0 ; i<polygon.size() ; i++ )
          if( polygon[i]<0 ) vertices[i].idx = -polygon[i]-1 , vertices[i].inCore = false;
          else               vertices[i].idx =  polygon[i]   , vertices[i].inCore = true;
        return 1;
      }
      else return 0;
    }
    int CoredVectorMeshData::outOfCorePointCount(void){return int(oocPoints.size());}
    int CoredVectorMeshData::polygonCount( void ) { return int( polygons.size() ); }


  }
}