Dario Sassi
66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2013-2024
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//----------------------------------------------------------------------------
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// File : EGkDistPointLine.h Data : 20.05.24 Versione : 2.6e5
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// Contenuto : Dichiarazione della classe distanza punto da linea/segmento.
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//
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//
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//
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// Modifiche : 30.12.12 DS Creazione modulo.
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// 20.05.24 DS Pubblicato in Include.
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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/EGkCurveLine.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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class DistPointLine
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{
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friend class DistPointCurve ;
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public :
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EGK_EXPORT DistPointLine( const Point3d& ptP,
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const ICurveLine& crvLine, bool bIsSegment = true) ;
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EGK_EXPORT DistPointLine( const Point3d& ptP,
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const Point3d& ptIni, const Point3d& ptFin, bool bIsSegment = true) ;
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EGK_EXPORT DistPointLine( const Point3d& ptP,
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const Point3d& ptIni, const Vector3d& vtDir, double dLen, bool bIsSegment = true) ;
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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 (( m_dSqDist < 0) ? 0 : 1) ; }
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EGK_EXPORT bool GetMinDistPoint( Point3d& ptMinDist) const ;
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EGK_EXPORT bool GetParamAtMinDistPoint( double& dParam) const ;
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private :
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void Calculate( const Point3d& ptP,
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const Point3d& ptIni, const Vector3d& vtDir, double dLen, bool bIsSegment) ;
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private :
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double m_dSqDist ;
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mutable double m_dDist ;
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double m_dParam ;
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Point3d m_ptMinDist ;
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} ;
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