CLine Class Reference

#include <GeoPrimitives.H>

Collaboration diagram for CLine:

Public Member Functions
	CLine ()
	CLine (const CPoint &p1, const CPoint &p2)
	CLine (const CLine &l)
	CLine (const CPoint &p1, const CVector &v1)
	CLine (const CVector &v1)
CLine &	move (const CPoint &p1)
bool	operator== (const CLine &l) const
bool	has_point (const CPoint &p2) const
CVector &	slope ()
const CVector &	slope () const
CPoint &	point ()
const CPoint &	point () const

Protected Attributes
CPoint	p
CVector	v

Friends
double	Distance (const CPoint &p, const CLine &l)
double	Distance (const C3Point &p, const CLine &l)

Detailed Description

Definition at line 1002 of file GeoPrimitives.H.

Constructor & Destructor Documentation

CLine ( )

inline

Definition at line 1009 of file GeoPrimitives.H.

    {};

CLine ( const CPoint &  p1, const CPoint &  p2  )

inline

Definition at line 1011 of file GeoPrimitives.H.

      : p(p1),v(p1,p2)
    {};

CLine ( const CLine &  l )

inline

Definition at line 1014 of file GeoPrimitives.H.

      : p(l.p), v(l.v)
    {};

CLine ( const CPoint &  p1, const CVector &  v1  )

inline

Definition at line 1017 of file GeoPrimitives.H.

      : p(p1),v(v1)
    {};

CLine ( const CVector &  v1 )

inline

Definition at line 1020 of file GeoPrimitives.H.

      : p(0,0,0),v(v1)
    {};

Member Function Documentation

bool has_point ( const CPoint &  p2 ) const

inline

Definition at line 1033 of file GeoPrimitives.H.

References CVector::normalize(), GeoPrim::TOL, CVector::unit(), and CLine::v.

Referenced by CLineSegment::has_point().

    {
      CVector v2(p2,p);
      v2.normalize();
      double r = v2 * v.unit();
      return( (fabs(r - 1.0) < TOL) || 
              (fabs(r + 1.0) < TOL) );
    };

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CLine& move ( const CPoint &  p1 )

inline

Definition at line 1023 of file GeoPrimitives.H.

References p1.

    {
      p = p1;
      return(*this);
    };

bool operator== ( const CLine &  l ) const

inline

Definition at line 1028 of file GeoPrimitives.H.

References CLine::p, and CLine::v.

    {
      return( (p == l.p)  &&
              (v == l.v) );
    };

CPoint& point ( )

inline

Definition at line 1049 of file GeoPrimitives.H.

    {
      return(p);
    };

const CPoint& point ( ) const

inline

Definition at line 1053 of file GeoPrimitives.H.

    {
      return(p);
    };

CVector& slope ( )

inline

Definition at line 1041 of file GeoPrimitives.H.

References CLine::v.

Referenced by bc_enforce(), and rflu_modextractflowdata::rflu_extractflowdatablasius().

    {
      return(v);
    };

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const CVector& slope ( ) const

inline

Definition at line 1045 of file GeoPrimitives.H.

References CLine::v.

    {
      return(v);
    };

Friends And Related Function Documentation

double Distance ( const CPoint &  p, const CLine &  l  )

friend

double Distance ( const C3Point &  p, const CLine &  l  )

friend

Definition at line 45 of file GeoPrimitives.C.

  {
    double u = (((p.x() - l.p.x())*l.v.x() + (p.y() - l.p.y())*l.v.y() + 
                 (p.z() - l.p.z())*l.v.z())/l.v.mag2());
    C3Point p2(l.p.x()+(u*l.v.x()),l.p.y()+(u*l.v.y()),l.p.z()+(u*l.v.z()));
    C3Vector v(p,p2);
    return(v.Mag());
  }

Member Data Documentation

CPoint p

protected

Definition at line 1006 of file GeoPrimitives.H.

Referenced by GeoPrim::Distance(), and CLine::operator==().

CVector v

protected

Definition at line 1007 of file GeoPrimitives.H.

Referenced by GeoPrim::Distance(), CLine::has_point(), CLine::operator==(), and CLine::slope().

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

• GeoPrimitives.H