Open CASCADE Technology
6.9.1
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Definition of a conic by its implicit quadaratic equation: A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0. More...
#include <IntAna2d_Conic.hxx>
Public Member Functions | |
IntAna2d_Conic (const gp_Circ2d &C) | |
IntAna2d_Conic (const gp_Lin2d &C) | |
IntAna2d_Conic (const gp_Parab2d &C) | |
IntAna2d_Conic (const gp_Hypr2d &C) | |
IntAna2d_Conic (const gp_Elips2d &C) | |
Standard_Real | Value (const Standard_Real X, const Standard_Real Y) const |
value of the function F at the point X,Y. More... | |
gp_XY | Grad (const Standard_Real X, const Standard_Real Y) const |
returns the value of the gradient of F at the point X,Y. More... | |
void | ValAndGrad (const Standard_Real X, const Standard_Real Y, Standard_Real &Val, gp_XY &Grd) const |
Returns the value of the function and its gradient at the point X,Y. More... | |
void | Coefficients (Standard_Real &A, Standard_Real &B, Standard_Real &C, Standard_Real &D, Standard_Real &E, Standard_Real &F) const |
returns the coefficients of the polynomial equation wich defines the conic: A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0. More... | |
void | NewCoefficients (Standard_Real &A, Standard_Real &B, Standard_Real &C, Standard_Real &D, Standard_Real &E, Standard_Real &F, const gp_Ax2d &Axis) const |
Returns the coefficients of the polynomial equation ( written in the natural coordinates system ) A x x + B y y + 2 C x y + 2 D x + 2 E y + F in the local coordinates system defined by Axis. More... | |
Definition of a conic by its implicit quadaratic equation: A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0.
IntAna2d_Conic::IntAna2d_Conic | ( | const gp_Circ2d & | C | ) |
IntAna2d_Conic::IntAna2d_Conic | ( | const gp_Lin2d & | C | ) |
IntAna2d_Conic::IntAna2d_Conic | ( | const gp_Parab2d & | C | ) |
IntAna2d_Conic::IntAna2d_Conic | ( | const gp_Hypr2d & | C | ) |
IntAna2d_Conic::IntAna2d_Conic | ( | const gp_Elips2d & | C | ) |
void IntAna2d_Conic::Coefficients | ( | Standard_Real & | A, |
Standard_Real & | B, | ||
Standard_Real & | C, | ||
Standard_Real & | D, | ||
Standard_Real & | E, | ||
Standard_Real & | F | ||
) | const |
returns the coefficients of the polynomial equation wich defines the conic: A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0.
gp_XY IntAna2d_Conic::Grad | ( | const Standard_Real | X, |
const Standard_Real | Y | ||
) | const |
returns the value of the gradient of F at the point X,Y.
void IntAna2d_Conic::NewCoefficients | ( | Standard_Real & | A, |
Standard_Real & | B, | ||
Standard_Real & | C, | ||
Standard_Real & | D, | ||
Standard_Real & | E, | ||
Standard_Real & | F, | ||
const gp_Ax2d & | Axis | ||
) | const |
Returns the coefficients of the polynomial equation ( written in the natural coordinates system ) A x x + B y y + 2 C x y + 2 D x + 2 E y + F in the local coordinates system defined by Axis.
void IntAna2d_Conic::ValAndGrad | ( | const Standard_Real | X, |
const Standard_Real | Y, | ||
Standard_Real & | Val, | ||
gp_XY & | Grd | ||
) | const |
Returns the value of the function and its gradient at the point X,Y.
Standard_Real IntAna2d_Conic::Value | ( | const Standard_Real | X, |
const Standard_Real | Y | ||
) | const |
value of the function F at the point X,Y.