Dario Sassi
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2017-2017
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//----------------------------------------------------------------------------
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// File : EGkDistPointTria.h Data : 19.10.17 Versione : 1.8j4
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// Contenuto : Dichiarazione della classe distanza Punto da Triangolo.
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//
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//
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//
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// Modifiche : 19.10.17 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/EGkTriangle3d.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 DistPointTriangle
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{
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public :
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EGK_EXPORT DistPointTriangle( const Point3d& ptP, const Triangle3d& Tria) ;
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public :
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EGK_EXPORT bool GetSqDist( double& dSqDist) ;
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EGK_EXPORT bool GetDist( double& dDist) ;
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EGK_EXPORT bool IsEpsilon( double dTol)
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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)
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{ return IsEpsilon( EPS_SMALL) ; }
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EGK_EXPORT bool IsZero( void)
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{ return IsEpsilon( EPS_ZERO) ; }
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EGK_EXPORT bool GetMinDistPoint( Point3d& ptMinDist) ;
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private :
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void Calculate( const Point3d& ptP, const Triangle3d& Tria) ;
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private :
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double m_dSqDist ;
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double m_dDist ;
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Point3d m_ptMinDist ;
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} ;
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