Daniele Bariletti
83 lines
3.5 KiB
C++
83 lines
3.5 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2013-2024
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//----------------------------------------------------------------------------
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// File : EGkDistPointCurve.h Data : 20.05.24 Versione : 2.6e5
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// Contenuto : Dichiarazione della classe distanza punto da Curva.
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//
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//
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//
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// Modifiche : 02.01.14 DS Creazione modulo.
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//
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include "/EgtDev/Include/EGkPoint3d.h"
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#include "/EgtDev/Include/EGkCurve.h"
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//----------------------- Macro per import/export ----------------------------
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#undef EGK_EXPORT
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#if defined( I_AM_EGK) // da definirsi solo nella DLL
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#define EGK_EXPORT __declspec( dllexport)
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#else
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#define EGK_EXPORT __declspec( dllimport)
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#endif
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//----------------------------------------------------------------------------
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enum MdPCiType { MDPCI_NORMAL, MDPCI_START_CONT, MDPCI_END_CONT} ;
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struct MinDistPCInfo {
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MdPCiType nFlag ;
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double dPar ;
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Point3d ptQ ;
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MinDistPCInfo( void)
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: nFlag( MDPCI_NORMAL), dPar( 0), ptQ( 0, 0, 0) {}
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MinDistPCInfo( MdPCiType nF, double dP, Point3d pT)
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: nFlag( nF), dPar( dP), ptQ( pT) {}
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} ;
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typedef std::vector<MinDistPCInfo> MDPCIVECTOR ; // vettore di MinDistPCInfo
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//----------------------------------------------------------------------------
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enum MdSide { MDS_LEFT = -1, MDS_ON = 0, MDS_RIGHT = +1} ;
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//-----------------------------------------------------------------------------
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class DistPointCurve
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{
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public :
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EGK_EXPORT DistPointCurve( const Point3d& ptP, const ICurve& Curve, bool bIsSegment = true) ;
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// Il flag bIsSegment vale solo per linee.
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public :
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EGK_EXPORT bool GetSqDist( double& dSqDist) const ;
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EGK_EXPORT bool GetDist( double& dDist) const ;
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EGK_EXPORT bool IsEpsilon( double dTol) const
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{ double dSqDist ; return ( GetSqDist( dSqDist) && ( dSqDist < SQ_EPS_ZERO || dSqDist < dTol * dTol)) ; }
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EGK_EXPORT bool IsSmall( void) const
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{ return IsEpsilon( EPS_SMALL) ; }
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EGK_EXPORT bool IsZero( void) const
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{ return IsEpsilon( EPS_ZERO) ; }
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EGK_EXPORT int GetNbrMinDist( void) const
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{ return (int) m_Info.size() ; }
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EGK_EXPORT bool GetMinDistPoint( int nInd, Point3d& ptMinDist, int& nFlag) const ;
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EGK_EXPORT bool GetMinDistPoint( double dNearParam, Point3d& ptMinDist, int& nFlag) const ;
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EGK_EXPORT bool GetParamAtMinDistPoint( int nInd, double& dParam, int& nFlag) const ;
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EGK_EXPORT bool GetParamAtMinDistPoint( double dNearParam, double& dParam, int& nFlag) const ;
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EGK_EXPORT bool GetSideAtMinDistPoint( int nInd, const Vector3d& vtN, int& nSide, double dTol = EPS_SMALL) const ;
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EGK_EXPORT bool GetSideAtMinDistPoint( double dNearParam, const Vector3d& vtN, int& nSide, double dTol = EPS_SMALL) const ;
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EGK_EXPORT bool GetMinDistInfo( int nInd, MinDistPCInfo& aInfo) const ;
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private :
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void LineCalculate( const Point3d& ptP, const ICurve& Curve, bool bIsSegment) ;
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void ArcCalculate( const Point3d& ptP, const ICurve& Curve) ;
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void CrvBezierCalculate( const Point3d& ptP, const ICurve& Curve) ;
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void CrvCompositeCalculate( const Point3d& ptP, const ICurve& Curve) ;
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private :
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double m_dDist ;
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MDPCIVECTOR m_Info ;
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Point3d m_ptP ;
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const ICurve* m_pCurve ;
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} ;
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