marLine Class Reference

#include <marLine.h>

List of all members.

Public Member Functions
	marLine ()
	marLine (double x1, double y1, double x2, double y2)
	marLine (double a, double b)
void	getNormal (double *a, double *b)
void	getIntersect (double a, double b, double c, double *x, double *y)
double	getA ()
double	getB ()
double	getC ()
virtual	~marLine ()
Private Attributes
double	a
double	b
double	c

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Detailed Description

Definition at line 8 of file marLine.h.

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Constructor & Destructor Documentation

marLine::marLine

(

)

Definition at line 6 of file marLine.cpp.

References a, b, and c.

                {
        this->a = 1;
        this->b = 1;
        this->c = 0;
}

marLine::marLine	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Definition at line 13 of file marLine.cpp.

References a, b, and c.

                                                          {
        this->a = y2 - y1;                      //REVISAR SIGNO
        this->b = (x1 - x2);
        this->c = (y1 - y2) * x1 + (x2 - x1)*y1;
}

marLine::marLine	(	double	a,
		double	b
	)

Definition at line 20 of file marLine.cpp.

References c.

                                  {
        this->a = a;
        this->b = b;
        this->c = 0;
}

marLine::~marLine

(

)

[virtual]

Definition at line 80 of file marLine.cpp.

                 {
}

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Member Function Documentation

double marLine::getA

(

)

Definition at line 65 of file marLine.cpp.

References a.

Referenced by marAxisCT::filterContour().

                    {
        return a;
}

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double marLine::getB

(

)

Definition at line 70 of file marLine.cpp.

References b.

Referenced by marAxisCT::filterContour().

                    {
        return b;
}

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double marLine::getC

(

)

Definition at line 75 of file marLine.cpp.

References c.

Referenced by marAxisCT::filterContour().

                    {
        return c;
}

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void marLine::getIntersect	(	double	a,
		double	b,
		double	c,
		double *	x,
		double *	y
	)

Definition at line 33 of file marLine.cpp.

Referenced by marAxisCT::filterContour().

                                                                            {

        if (this->a == a){
                *x = -1;
                *y = -1;
                return;
        }

        if (this->b == b){
                *x = -1;
                *y = -1;
                return;
        }

        *x = (c*this->b - this->c*b) / (this->a*b - a*this->b);

        if (this->b == 0){
                *y = -c/b;
        } else if (b == 0){
                *y = -this->c/this->b;
        } else {
                *y = (-this->a*(*x) - this->c) / this->b;
        }
        

        if (*x < 0 || *y < 0){
                *x = -1;
                *y = -1;
        }
        
}

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void marLine::getNormal	(	double *	a,
		double *	b
	)

Definition at line 27 of file marLine.cpp.

                                           {
        *a = (this->b);
        *b = this->a;
}

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Member Data Documentation

double marLine::a [private]

Definition at line 22 of file marLine.h.

Referenced by getA(), and marLine().

double marLine::b [private]

Definition at line 23 of file marLine.h.

Referenced by getB(), and marLine().

double marLine::c [private]

Definition at line 24 of file marLine.h.

Referenced by getC(), and marLine().

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The documentation for this class was generated from the following files:

• /home/davila/Creatis/creaMaracasVisu/lib/maracasVisuLib/src/kernel/include/marLine.h
• /home/davila/Creatis/creaMaracasVisu/lib/maracasVisuLib/src/kernel/include/marLine.cpp