CBox Class Reference

#include <GeoPrimitives.H>

Collaboration diagram for CBox:

Public Member Functions
	CBox ()
	CBox (const std::vector< CPoint > &pv)
	CBox (const double *points, unsigned int n)
	CBox (const CPoint &ip1, const CPoint &ip2)
	CBox (const CBox &box)
const CPoint &	P1 () const
const CPoint &	P2 () const
bool	empty () const
CPoint &	P1 ()
CPoint &	P2 ()
void	init (const double *points, unsigned int n)
CBox &	operator= (const CBox &b)
CBox	around (const CPoint &p) const
bool	operator== (const CBox &b) const
CPoint &	min ()
const CPoint &	min () const
CPoint &	max ()
const CPoint &	max () const
bool	contains (const CPoint &p) const
bool	contains (const double *p) const
double	size () const
bool	operator< (const CBox &b) const
bool	operator> (const CBox &b) const
void	AddPoint (const CPoint &p)
void	merge (const CBox &b)
bool	collide (const CBox &b) const
CBox	intersect (const CBox &b) const

Protected Attributes
CPoint	p1
CPoint	p2

Private Attributes
bool	initd

Friends
std::ostream &	operator<< (std::ostream &, const CBox &)

Detailed Description

Definition at line 1126 of file GeoPrimitives.H.

Constructor & Destructor Documentation

CBox ( )

inline

Definition at line 1134 of file GeoPrimitives.H.

References CBox::initd, CBox::p1, CBox::p2, and CPoint::reset().

    {
      p1.reset();
      p2.reset();
      initd=false;
    };

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CBox ( const std::vector< CPoint > &  pv )

inline

Definition at line 1140 of file GeoPrimitives.H.

References CBox::initd, CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

    {
      std::vector<CPoint>::const_iterator pvi = pv.begin();
      p1.x(pvi->x());
      p2.x(p1.x());
      p1.y(pvi->y());
      p2.y(p1.y());
      p1.z(pvi->z());
      p2.z(p1.z());
      pvi++;
      while(pvi != pv.end()){
        if(pvi->x() < p1.x()) p1.x(pvi->x());
        if(pvi->x() > p2.x()) p2.x(pvi->x());
        if(pvi->y() < p1.y()) p1.y(pvi->y());
        if(pvi->y() > p2.y()) p2.y(pvi->y());
        if(pvi->z() < p1.z()) p1.z(pvi->z());
        if(pvi->z() > p2.z()) p2.z(pvi->z());
        pvi++;
      }
      initd = true;
    }

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CBox ( const double *  points, unsigned int  n  )

inline

Definition at line 1161 of file GeoPrimitives.H.

References i, CBox::initd, n, CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

    {
      p1.x(points[0]);
      p1.y(points[1]);
      p1.z(points[2]);
      p2 = p1;
      for(unsigned int i = 1;i<n;i++){
        if(points[i*3] < p1.x()) p1.x(points[i*3]);
        if(points[i*3] > p2.x()) p2.x(points[i*3]);
        if(points[(i*3)+1] < p1.y()) p1.y(points[(i*3)+1]);
        if(points[(i*3)+1] > p2.y()) p2.y(points[(i*3)+1]);
        if(points[(i*3)+2] < p1.z()) p1.z(points[(i*3)+2]);
        if(points[(i*3)+2] > p2.z()) p2.z(points[(i*3)+2]);
      }
      initd = true;
    }; 

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CBox ( const CPoint &  ip1, const CPoint &  ip2  )

inline

Definition at line 1177 of file GeoPrimitives.H.

References CBox::initd.

      : p1(ip1),p2(ip2)
    {initd = true;};

CBox ( const CBox &  box )

inline

Definition at line 1180 of file GeoPrimitives.H.

References CBox::initd.

      : p1(box.p1),p2(box.p2)
    {initd = true;};

Member Function Documentation

void AddPoint ( const CPoint &  p )

inline

Definition at line 1275 of file GeoPrimitives.H.

References CBox::initd, CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

    {
      if(!initd){
        p1 = p;
        p2 = p;
        initd = true;
      }
      else{
        if(p.x() < p1.x()) p1.x() = p.x();
        if(p.x() > p2.x()) p2.x() = p.x();
        if(p.y() < p1.y()) p1.y() = p.y();
        if(p.y() > p2.y()) p2.y() = p.y();
        if(p.z() < p1.z()) p1.z() = p.z();
        if(p.z() > p2.z()) p2.z() = p.z();
      }
    };

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CBox around ( const CPoint &  p ) const

inline

Definition at line 1213 of file GeoPrimitives.H.

References CBox::p1, CBox::p2, v, CPoint::x(), CVector::x(), CPoint::y(), CVector::y(), CPoint::z(), and CVector::z().

    {
      CVector v(p1,p2);
      CPoint minp(p.x()-fabs(v.x()/2.0),
                p.y()-fabs(v.y()/2.0),
                  p.z()-fabs(v.z()/2.0));
      CPoint maxp(p.x()+fabs(v.x()/2.0),
                  p.y()+fabs(v.y()/2.0),
                  p.z()+fabs(v.z()/2.0));
      CBox box(minp,maxp);
      return(box);
    };

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bool collide ( const CBox &  b ) const

inline

Definition at line 1309 of file GeoPrimitives.H.

References CBox::empty(), CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

Referenced by CBox::intersect().

    {
      if(this->empty() || b.empty())
        return(false);
      return(!(b.p2.x() < p1.x() || b.p1.x() > p2.x()) &&
             !(b.p2.y() < p1.y() || b.p1.y() > p2.y()) &&
             !(b.p2.z() < p1.z() || b.p1.z() > p2.z()));
    };

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bool contains ( const CPoint &  p ) const

inline

Definition at line 1249 of file GeoPrimitives.H.

References CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

    {
    return( p.x() <= p2.x() && p.x() >= p1.x() &&
            p.y() <= p2.y() && p.y() >= p1.y() &&
            p.z() <= p2.z() && p.z() >= p1.z() );
    };

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bool contains ( const double *  p ) const

inline

Definition at line 1255 of file GeoPrimitives.H.

References CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

    {
      return( p[0] <= p2.x() && p[0] >= p1.x() &&
              p[1] <= p2.y() && p[1] >= p1.y() &&
              p[2] <= p2.z() && p[2] >= p1.z() );
    };

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bool empty ( void  ) const

inline

Definition at line 1185 of file GeoPrimitives.H.

References CBox::p1, CBox::p2, GeoPrim::TOL, CPoint::x(), CPoint::y(), and CPoint::z().

Referenced by CBox::collide(), and main().

                       {return ((std::fabs(p2.x()-p1.x()) < TOL) ||
                                (std::fabs(p2.y()-p1.y()) < TOL) ||
                                (std::fabs(p2.z()-p1.z()) < TOL));};

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void init ( const double *  points, unsigned int  n  )

inline

Definition at line 1190 of file GeoPrimitives.H.

References i, CBox::initd, n, CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

    {
      initd = true;
      p1.x(points[0]);
      p1.y(points[1]);
      p1.z(points[2]);
      p2 = p1;
      for(unsigned int i = 1;i<n;i++){
        if(points[i*3] < p1.x()) p1.x(points[i*3]);
        if(points[i*3] > p2.x()) p2.x(points[i*3]);
        if(points[(i*3)+1] < p1.y()) p1.y(points[(i*3)+1]);
        if(points[(i*3)+1] > p2.y()) p2.y(points[(i*3)+1]);
        if(points[(i*3)+2] < p1.z()) p1.z(points[(i*3)+2]);
        if(points[(i*3)+2] > p2.z()) p2.z(points[(i*3)+2]);
      }
    }; 

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CBox intersect ( const CBox &  b ) const

inline

Definition at line 1317 of file GeoPrimitives.H.

References CBox::collide(), CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

    {
      CBox retval;
      if(collide(b)){
        retval.p1.x(b.p1.x() > p1.x() ? b.p1.x() : p1.x());
        retval.p1.y(b.p1.y() > p1.y() ? b.p1.y() : p1.y());
        retval.p1.z(b.p1.z() > p1.z() ? b.p1.z() : p1.z());
        retval.p2.x(b.p2.x() < p2.x() ? b.p2.x() : p2.x());
        retval.p2.y(b.p2.y() < p2.y() ? b.p2.y() : p2.y());
        retval.p2.z(b.p2.z() < p2.z() ? b.p2.z() : p2.z());
      }
      return(retval);
    };

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CPoint& max ( void  )

inline

Definition at line 1241 of file GeoPrimitives.H.

References CBox::p2.

    {
      return(p2);
    };

const CPoint& max ( void  ) const

inline

Definition at line 1245 of file GeoPrimitives.H.

References CBox::p2.

    {
      return(p2);
    };

void merge ( const CBox &  b )

inline

Definition at line 1291 of file GeoPrimitives.H.

References CBox::initd, CBox::p1, CBox::p2, CPoint::x(), CPoint::y(), and CPoint::z().

Referenced by main().

    {
      if(initd){
        CPoint p(p1);
        p1.x((b.p1.x() > p1.x() ? p.x() : b.p1.x()));
        p1.y((b.p1.y() > p1.y() ? p.y() : b.p1.y()));
        p1.z((b.p1.z() > p1.z() ? p.z() : b.p1.z()));
        p = p2;
        p2.x(b.p2.x() < p2.x() ? p.x() : b.p2.x());
        p2.y(b.p2.y() < p2.y() ? p.y() : b.p2.y());
        p2.z(b.p2.z() < p2.z() ? p.z() : b.p2.z());
      }
      else {
        p1 = b.p1;
        p2 = b.p2;
        initd = true;
      }
    };

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CPoint& min ( )

inline

Definition at line 1233 of file GeoPrimitives.H.

References CBox::p1.

    {
    return(p1);
    };

const CPoint& min ( ) const

inline

Definition at line 1237 of file GeoPrimitives.H.

References CBox::p1.

    {
      return(p1);
    };

bool operator< ( const CBox &  b ) const

inline

Definition at line 1267 of file GeoPrimitives.H.

References CBox::size().

    {
      return(this->size() < b.size());
    };

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CBox& operator= ( const CBox &  b )

inline

Definition at line 1206 of file GeoPrimitives.H.

References CBox::initd, CBox::p1, and CBox::p2.

    {
      p1 = b.p1;
      p2 = b.p2;
      initd = true;
      return(*this);
    };

bool operator== ( const CBox &  b ) const

inline

Definition at line 1225 of file GeoPrimitives.H.

References CBox::p1, and CBox::p2.

    {
      return(p1 == b.p1 && p2 == b.p2);
    };

bool operator> ( const CBox &  b ) const

inline

Definition at line 1271 of file GeoPrimitives.H.

References CBox::size().

    {
      return(this->size() > b.size());
    };    

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const CPoint& P1 ( ) const

inline

Definition at line 1183 of file GeoPrimitives.H.

References CBox::p1.

Referenced by main(), and GeoPrim::operator<<().

{return p1;};

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CPoint& P1 ( )

inline

Definition at line 1188 of file GeoPrimitives.H.

References CBox::p1.

{return p1;};

const CPoint& P2 ( ) const

inline

Definition at line 1184 of file GeoPrimitives.H.

References CBox::p2.

Referenced by main(), and GeoPrim::operator<<().

{return p2;};

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CPoint& P2 ( )

inline

Definition at line 1189 of file GeoPrimitives.H.

References CBox::p2.

{return p2;};

double size ( ) const

inline

Definition at line 1262 of file GeoPrimitives.H.

References CBox::p1, CBox::p2, v, CVector::x(), CVector::y(), and CVector::z().

Referenced by CBox::operator<(), and CBox::operator>().

    {
      CVector v(p1,p2);
      return(fabs(v.x()*v.y()*v.z()));
    };

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Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  oS, const CBox &  b  )

friend

Definition at line 55 of file GeoPrimitives.C.

  {
    oS << b.P1() << "  " << b.P2();
    return(oS);
  }

Member Data Documentation

bool initd

private

Definition at line 1129 of file GeoPrimitives.H.

Referenced by CBox::AddPoint(), CBox::CBox(), CBox::init(), CBox::merge(), and CBox::operator=().

CPoint p1

protected

Definition at line 1131 of file GeoPrimitives.H.

Referenced by CBox::AddPoint(), CBox::around(), CBox::CBox(), CBox::collide(), CBox::contains(), CBox::empty(), CBox::init(), CBox::intersect(), CBox::merge(), CBox::min(), CBox::operator=(), CBox::operator==(), CBox::P1(), and CBox::size().

CPoint p2

protected

Definition at line 1132 of file GeoPrimitives.H.

Referenced by CBox::AddPoint(), CBox::around(), CBox::CBox(), CBox::collide(), CBox::contains(), CBox::empty(), CBox::init(), CBox::intersect(), CBox::max(), CBox::merge(), CBox::operator=(), CBox::operator==(), CBox::P2(), and CBox::size().

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The documentation for this class was generated from the following file:

• GeoPrimitives.H