CFacet Class Reference

#include <GeoPrimitives.H>

Inheritance diagram for CFacet:

Collaboration diagram for CFacet:

Public Member Functions
	CFacet ()
	CFacet (const CPoint &P1, const CPoint &P2, const CPoint &P3)
	CFacet (const CPoint &P1, const CPoint &P2, const CPoint &P3, const CPoint &P4)
	CFacet (const std::vector< CPoint > &v)
	CFacet (const CFacet &face)
CVector	normal () const
CPoint	centroid () const
CFacet &	operator= (const CFacet &face)
bool	operator== (const CFacet &face) const
bool	contains_point (const CPoint &P)

Additional Inherited Members
Public Attributes inherited from vector< T >
T	elements
	STL member. More...

Detailed Description

Definition at line 1520 of file GeoPrimitives.H.

Constructor & Destructor Documentation

CFacet ( )

inline

Definition at line 1523 of file GeoPrimitives.H.

{};

CFacet ( const CPoint &  P1, const CPoint &  P2, const CPoint &  P3  )

inline

Definition at line 1524 of file GeoPrimitives.H.

    {
      this->resize(3);
      (*this)[0] = P1;
      (*this)[1] = P2;
      (*this)[2] = P3;
    };

CFacet ( const CPoint &  P1, const CPoint &  P2, const CPoint &  P3, const CPoint &  P4  )

inline

Definition at line 1531 of file GeoPrimitives.H.

    {
      this->resize(4);
      (*this)[0] = P1;
      (*this)[1] = P2;
      (*this)[2] = P3;
      (*this)[3] = P4;
    };

CFacet ( const std::vector< CPoint > &  v )

inline

Definition at line 1540 of file GeoPrimitives.H.

References pi.

    {
      std::vector<CPoint>::const_iterator pi = v.begin();
      while(pi != v.end())
        this->push_back(*pi++);
    };

CFacet ( const CFacet &  face )

inline

Definition at line 1546 of file GeoPrimitives.H.

    {
      std::vector<CPoint>::const_iterator fi = face.begin();
      while(fi != face.end())
        this->push_back(*fi++);
    };

Member Function Documentation

CPoint centroid ( ) const

inline

Definition at line 1558 of file GeoPrimitives.H.

References GeoPrim::Centroid().

    {
      return(Centroid(*this));
    };

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bool contains_point ( const CPoint &  P )

inline

Definition at line 1580 of file GeoPrimitives.H.

References cimg_library::acos(), angle(), CPlane::contains_point(), GeoPrim::PI, GeoPrim::TOL, and v.

    {
      CPlane plane((*this)[0],(*this)[1],(*this)[2]);
      if(!(plane.contains_point(P)))
        return false;
      std::vector<CPoint>::const_iterator fi = this->begin();
      CVector v1(P,*fi);
      CVector vp(v1);
      fi++;
      double angle = 0.0;
      while(fi != this->end()){
        CVector v(P,(*fi));
        angle += acos(v*vp);
        vp = v;
        fi++;
      }
      angle += acos(vp*v1);
      return((fabs(angle) - 2*PI) <= TOL);
    };

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CVector normal ( ) const

inline

Definition at line 1552 of file GeoPrimitives.H.

    {
      CVector v1((*this)[0],(*this)[1]);
      CVector v2((*this)[0],(*this)[2]);
      return(.5*(v1%v2));
    };

CFacet& operator= ( const CFacet &  face )

inline

Definition at line 1562 of file GeoPrimitives.H.

    {
      this->clear();
      std::vector<CPoint>::const_iterator fi = face.begin();
      while(fi != face.end())
        this->push_back(*fi++);
      return(*this);
    };

bool operator== ( const CFacet &  face ) const

inline

Definition at line 1570 of file GeoPrimitives.H.

    {
      std::vector<CPoint>::const_iterator li = this->begin();
      std::vector<CPoint>::const_iterator fi = face.begin();
      if(this->size() != face.size()) return false;
      while(li != this->end())
        if(!(*li++ == *fi++))
          return(false);
      return(true);
    };

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

• GeoPrimitives.H