include/CGAL/Bbox_3.h File Reference

#include <CGAL/basic.h>
#include <cmath>
#include <CGAL/cgalopt.h>

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Classes
class	Bbox_3

Functions
bool	do_overlap (const Bbox_3 &bb1, const Bbox_3 &bb2)
std::ostream &	operator<< (std::ostream &os, const Bbox_3 &b)
std::istream &	operator>> (std::istream &is, Bbox_3 &b)
bool	do_overlap_eps (const Bbox_3 &bb1, const Bbox_3 &bb2, const double eps)
bool	do_overlap_strict (const Bbox_3 &bb1, const Bbox_3 &bb2)
template<class InIter >
Bbox_3	get_Bbox_3 (InIter first, InIter last)

Function Documentation

bool do_overlap ( const Bbox_3 &  bb1, const Bbox_3 &  bb2  )

inline

Definition at line 96 of file include/CGAL/Bbox_3.h.

References Bbox_3::xmax(), Bbox_3::xmin(), Bbox_3::ymax(), Bbox_3::ymin(), Bbox_3::zmax(), and Bbox_3::zmin().

{
  // check for emptiness ??
  if (bb1.xmax() < bb2.xmin() || bb2.xmax() < bb1.xmin())
    return false;
  if (bb1.ymax() < bb2.ymin() || bb2.ymax() < bb1.ymin())
    return false;
  if (bb1.zmax() < bb2.zmin() || bb2.zmax() < bb1.zmin())
    return false;
  return true;
}

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bool do_overlap_eps ( const Bbox_3 &  bb1, const Bbox_3 &  bb2, const double  eps  )

inline

Definition at line 174 of file include/CGAL/Bbox_3.h.

References Bbox_3::xmax(), Bbox_3::xmin(), Bbox_3::ymax(), Bbox_3::ymin(), Bbox_3::zmax(), and Bbox_3::zmin().

                                             {
  // check for emptiness ??
  if (bb1.xmax()+eps < bb2.xmin() || bb2.xmax()+eps < bb1.xmin())
    return false;
  if (bb1.ymax()+eps < bb2.ymin() || bb2.ymax()+eps < bb1.ymin())
    return false;
  if (bb1.zmax()+eps < bb2.zmin() || bb2.zmax()+eps < bb1.zmin())
    return false;
  return true;
}

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bool do_overlap_strict ( const Bbox_3 &  bb1, const Bbox_3 &  bb2  )

inline

Definition at line 186 of file include/CGAL/Bbox_3.h.

References Bbox_3::xmax(), Bbox_3::xmin(), Bbox_3::ymax(), Bbox_3::ymin(), Bbox_3::zmax(), and Bbox_3::zmin().

{
  // check for emptiness ??
  if (bb1.xmax() <= bb2.xmin() || bb2.xmax() <= bb1.xmin())
    return false;
  if (bb1.ymax() <= bb2.ymin() || bb2.ymax() <= bb1.ymin())
    return false;
  if (bb1.zmax() <= bb2.zmin() || bb2.zmax() <= bb1.zmin())
    return false;
  return true;
}

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Bbox_3 get_Bbox_3	(	InIter	first,
		InIter	last
	)

Definition at line 199 of file include/CGAL/Bbox_3.h.

                                             {
  Bbox_3  box;

  while (first != last) {
    box += first->bbox();
    ++first;
  }
  return box;
}

std::ostream& operator<< ( std::ostream &  os, const Bbox_3 &  b  )

inline

Definition at line 111 of file include/CGAL/Bbox_3.h.

References IO::ASCII, IO::BINARY, IO::mode, write(), Bbox_3::xmax(), Bbox_3::xmin(), Bbox_3::ymax(), Bbox_3::ymin(), Bbox_3::zmax(), and Bbox_3::zmin().

{
  switch(os.iword(IO::mode))
    {
    case IO::ASCII :
      return os << b.xmin() << ' ' << b.ymin() << ' ' << b.zmin() << ' ' 
                << b.xmax() << ' ' << b.ymax() << ' ' << b.zmax();
    case IO::BINARY :
      write(os, b.xmin());
      write(os, b.ymin());
      write(os, b.zmin());
      write(os, b.xmax());
      write(os, b.ymax());
      write(os, b.zmax());
      return os;
    default:
      os << "Bbox_3((" << b.xmin()
         << ", "       << b.ymin()
         << ", "       << b.zmin() << "), (";
      os <<               b.xmax()
         << ", "       << b.ymax()
         << ", "       << b.zmax() << "))";
      return os;
    }
}

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std::istream& operator>> ( std::istream &  is, Bbox_3 &  b  )

inline

Definition at line 143 of file include/CGAL/Bbox_3.h.

References IO::ASCII, IO::BINARY, IO::mode, and read().

{
  double xmin, ymin, zmin, xmax, ymax, zmax;

  switch(is.iword(IO::mode))
    {
    case IO::ASCII :
      is >> xmin >> ymin >> zmin >> xmax >> ymax >> zmax ;
      break;
    case IO::BINARY :
      read(is, xmin);
      read(is, ymin);
      read(is, zmin);
      read(is, xmax);
      read(is, ymax);
      read(is, zmax);
      break;
    }
  b = Bbox_3(xmin, ymin, zmin, xmax, ymax, zmax);
  return is;
}

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