Files
EgtGeomKernel/DistPointCurve.cpp
T
Dario Sassi 2216a87ab4 EgtGeomKernel 1.5a1 : Aggiunta prima versione distanza punto Curva di Bezier.
Ora si esporta la generica classe distanza punto curva.
2014-01-05 09:47:43 +00:00

139 lines
3.8 KiB
C++

//----------------------------------------------------------------------------
// EgalTech 2013-2013
//----------------------------------------------------------------------------
// File : DistPointCurve.cpp Data : 02.01.14 Versione : 1.5a1
// Contenuto : Implementazione della classe distanza punto da Curva.
//
//
//
// Modifiche : 02.01.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------
//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "DistPointLine.h"
#include "DistPointArc.h"
#include "DistPointCrvBezier.h"
#include "/EgtDev/Include/EGkDistPointCurve.h"
//----------------------------------------------------------------------------
DistPointCurve::DistPointCurve( const Point3d& ptP, const ICurve& Curve)
{
// distanza non calcolata
m_dDist = - 1 ;
// curva non valida
if ( ! Curve.IsValid())
return ;
// chiamo calcolatore opportuno
switch ( Curve.GetType()) {
case CRV_LINE :
LineCalculate( ptP, Curve) ;
break ;
case CRV_ARC :
ArcCalculate( ptP, Curve) ;
break ;
case CRV_BEZ :
CrvBezierCalculate( ptP, Curve) ;
break ;
case CRV_COMPO :
CrvCompositeCalculate( ptP, Curve) ;
break ;
}
}
//----------------------------------------------------------------------------
void
DistPointCurve::LineCalculate( const Point3d& ptP, const ICurve& Curve)
{
DistPointLine dstPtLn( ptP, *GetCurveLine( &Curve)) ;
m_bDet = true ;
m_dDist = (( dstPtLn.m_dSqDist > 0) ? sqrt( dstPtLn.m_dSqDist) : dstPtLn.m_dSqDist) ;
m_dParam = dstPtLn.m_dParam ;
m_ptMinDist = dstPtLn.m_ptMinDist ;
}
//----------------------------------------------------------------------------
void
DistPointCurve::ArcCalculate( const Point3d& ptP, const ICurve& Curve)
{
DistPointArc dstPtArc( ptP, *GetCurveArc( &Curve)) ;
m_bDet = dstPtArc.m_bDet ;
m_dDist = dstPtArc.m_dDist ;
m_dParam = dstPtArc.m_dParam ;
m_ptMinDist = dstPtArc.m_ptMinDist ;
}
//----------------------------------------------------------------------------
void
DistPointCurve::CrvBezierCalculate( const Point3d& ptP, const ICurve& Curve)
{
DistPointCrvBezier dstPtCBez( ptP, *GetCurveBezier( &Curve)) ;
m_bDet = dstPtCBez.m_bDet ;
m_dDist = dstPtCBez.m_dDist ;
m_dParam = dstPtCBez.m_dParam ;
m_ptMinDist = dstPtCBez.m_ptMinDist ;
}
//----------------------------------------------------------------------------
void
DistPointCurve::CrvCompositeCalculate( const Point3d& ptP, const ICurve& Curve)
{
//DistPointCrvComposite dstPtLn( ptP, *GetCurveComposite( &Curve)) ;
}
//----------------------------------------------------------------------------
bool
DistPointCurve::GetSqDist( double& dSqDist)
{
if ( m_dDist < 0)
return false ;
dSqDist = m_dDist * m_dDist ;
return true ;
}
//----------------------------------------------------------------------------
bool
DistPointCurve::GetDist( double& dDist)
{
if ( m_dDist < 0)
return false ;
dDist = m_dDist ;
return true ;
}
//----------------------------------------------------------------------------
bool
DistPointCurve::GetPointMinDist( Point3d& ptMinDist, bool* pbDet)
{
if ( m_dDist < 0)
return false ;
ptMinDist = m_ptMinDist ;
if ( pbDet != nullptr)
*pbDet = m_bDet ;
return true ;
}
//----------------------------------------------------------------------------
bool
DistPointCurve::GetParamAtPointMinDist( double& dParam, bool* pbDet)
{
if ( m_dDist < 0)
return false ;
dParam = m_dParam ;
if ( pbDet != nullptr)
*pbDet = m_bDet ;
return true ;
}