CSisect.h

/********************************************************************/
/* Copyright (c) 2015 DG Technologies Inc. and Yuzi Mizuno          */
/* All rights reserved.                                             */
/********************************************************************/
#ifndef _MGCSisect_HH_
#define _MGCSisect_HH_

#include "mg/MGCL.h"
#include "mg/isect.h"
#include "mg/Point.h"

// MGCSisect.h
// Header for MGCSisect

//Forward declaration.
class MGInterval;
class MGPosition;


class MG_DLL_DECLR MGCSisect:public MGisect{

public:


MGCSisect ();

MGCSisect(
    const MGPosition& point,    
    double t,                               
    const MGPosition& uv,                   
    const MGCSRELATION rl=MGCSREL_UNKNOWN   
);


bool operator< (const MGCSisect& csi)const;
bool operator> (const MGCSisect& csi)const{return csi<(*this);};
bool operator<= (const MGCSisect& csi)const{return !(csi<(*this));};
bool operator>= (const MGCSisect& csi)const{return !((*this)<csi);};
bool operator== (const MGCSisect& csi)const;
bool operator!= (const MGCSisect& csi)const{return !operator==(csi);};

bool operator< (const MGisect& is)const;
bool operator< (const MGCCisect& is)const{return false;};
bool operator< (const MGCFisect& is)const{return true;};
bool operator< (const MGSSisect& is)const{return true;};
bool operator< (const MGFFisect& is)const{return true;};
bool operator== (const MGisect& is)const;


void distance(
    const MGCSisect& isect2,
    double& t,
    double& u,
    double& v
)const;

double distance_square(const MGCSisect& isect2)const;

void exchange12(){;};

const MGObject& isect()const{return m_ipoint;};

MGPosition isect0_param1()const{return MGPosition(1,&m_t);};

MGPosition isect0_param2()const{return m_uv;};

int manifold_dimension()const{return 0;};

std::ostream& out(std::ostream& ostrm)const;

double param_curve() const{return m_t;};

const MGPosition& param_surface() const{return m_uv;};

const MGPosition& point() const{return m_ipoint.position();};

MGCSRELATION rel() const{return m_rel;};

private:
    
    MGPoint m_ipoint; 
    double m_t;          
    MGPosition m_uv;     
    MGCSRELATION m_rel;  

};
 // end of IsectContainer group
#endif