//----------------------------------------------------------------------------
//  EgalTech 2013-2014
//----------------------------------------------------------------------------
// File : DistPointCrvAux.h     Data : 13.01.14      Versione : 1.5a3
// Contenuto : Dichiarazione funzioni ausiliarie per distanza punto da curva.
//
//
//
// Modifiche : 13.01.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkPoint3d.h"
#include "/EgtDev/Include/EGkDistPointCurve.h"
#include <vector>


//----------------------------------------------------------------------------
static const double MIN_LEN_CONT_MDPC = 1 ;         // minima lunghezza di tratto continuo di minima distanza

//----------------------------------------------------------------------------
struct MinDistCalc {
   double  dDist ;
   double  dPar ;
   double  dParMin ;
   double  dParMax ;
   bool    bParMinSing ;
   bool    bParMaxSing ;
   Point3d ptQ ;
   MinDistCalc( void)
      : dDist( 0), dPar( 0), dParMin( 0), dParMax( 0),
        bParMinSing( false), bParMaxSing( false), ptQ( 0, 0, 0) {}
   MinDistCalc( double dD, double dP, double dPm, double dPM, Point3d pT)
      : dDist( dD), dPar( dP), dParMin( dPm), dParMax( dPM),
        bParMinSing( false), bParMaxSing( false), ptQ( pT) {}
   MinDistCalc( double dD, double dP, double dPm, double dPM, bool bMinS, bool bMaxS, Point3d pT)
      : dDist( dD), dPar( dP), dParMin( dPm), dParMax( dPM),
        bParMinSing( bMinS), bParMaxSing( bMaxS), ptQ( pT) {}
} ;
typedef std::vector<MinDistCalc>  MDCVECTOR ;   // vettore di MinDistCalc


//-----------------------------------------------------------------------------
bool CalcMinDistPointPolyLine( const Point3d& ptP, PolyLine& PL, double dLinTol, MDCVECTOR& vApproxMin) ;
bool PolishMinDistPointCurve( const Point3d& ptP, const ICurve& cCurve,
                              const MinDistCalc& approxMin, double& dPrevPar, Point3d& ptQ) ;
bool FilterMinDistPointCurve( const Point3d& ptP, const ICurve& cCurve,
                              const MDCVECTOR& vApproxMin, double& dMinDist, MDPCIVECTOR& Info) ;