Open CASCADE Technology
6.9.1

Describes a branch of a hyperbola in 3D space. A hyperbola is defined by its major and minor radii and positioned in space with a coordinate system (a gp_Ax2 object) of which: More...
#include <gp_Hypr.hxx>
Public Member Functions  
gp_Hypr ()  
Creates of an indefinite hyperbola. More...  
gp_Hypr (const gp_Ax2 &A2, const Standard_Real MajorRadius, const Standard_Real MinorRadius)  
Creates a hyperbola with radii MajorRadius and MinorRadius, positioned in the space by the coordinate system A2 such that: More...  
void  SetAxis (const gp_Ax1 &A1) 
Modifies this hyperbola, by redefining its local coordinate system so that: More...  
void  SetLocation (const gp_Pnt &P) 
Modifies this hyperbola, by redefining its local coordinate system so that its origin becomes P. More...  
void  SetMajorRadius (const Standard_Real MajorRadius) 
Modifies the major radius of this hyperbola. Exceptions Standard_ConstructionError if MajorRadius is negative. More...  
void  SetMinorRadius (const Standard_Real MinorRadius) 
Modifies the minor radius of this hyperbola. Exceptions Standard_ConstructionError if MinorRadius is negative. More...  
void  SetPosition (const gp_Ax2 &A2) 
Modifies this hyperbola, by redefining its local coordinate system so that it becomes A2. More...  
gp_Ax1  Asymptote1 () const 
In the local coordinate system of the hyperbola the equation of the hyperbola is (X*X)/(A*A)  (Y*Y)/(B*B) = 1.0 and the equation of the first asymptote is Y = (B/A)*X where A is the major radius and B is the minor radius. Raises ConstructionError if MajorRadius = 0.0. More...  
gp_Ax1  Asymptote2 () const 
In the local coordinate system of the hyperbola the equation of the hyperbola is (X*X)/(A*A)  (Y*Y)/(B*B) = 1.0 and the equation of the first asymptote is Y = (B/A)*X. where A is the major radius and B is the minor radius. Raises ConstructionError if MajorRadius = 0.0. More...  
const gp_Ax1 &  Axis () const 
Returns the axis passing through the center, and normal to the plane of this hyperbola. More...  
gp_Hypr  ConjugateBranch1 () const 
Computes the branch of hyperbola which is on the positive side of the "YAxis" of <me>. More...  
gp_Hypr  ConjugateBranch2 () const 
Computes the branch of hyperbola which is on the negative side of the "YAxis" of <me>. More...  
gp_Ax1  Directrix1 () const 
This directrix is the line normal to the XAxis of the hyperbola in the local plane (Z = 0) at a distance d = MajorRadius / e from the center of the hyperbola, where e is the eccentricity of the hyperbola. This line is parallel to the "YAxis". The intersection point between the directrix1 and the "XAxis" is the "Location" point of the directrix1. This point is on the positive side of the "XAxis". More...  
gp_Ax1  Directrix2 () const 
This line is obtained by the symmetrical transformation of "Directrix1" with respect to the "YAxis" of the hyperbola. More...  
Standard_Real  Eccentricity () const 
Returns the excentricity of the hyperbola (e > 1). If f is the distance between the location of the hyperbola and the Focus1 then the eccentricity e = f / MajorRadius. Raises DomainError if MajorRadius = 0.0. More...  
Standard_Real  Focal () const 
Computes the focal distance. It is the distance between the the two focus of the hyperbola. More...  
gp_Pnt  Focus1 () const 
Returns the first focus of the hyperbola. This focus is on the positive side of the "XAxis" of the hyperbola. More...  
gp_Pnt  Focus2 () const 
Returns the second focus of the hyperbola. This focus is on the negative side of the "XAxis" of the hyperbola. More...  
const gp_Pnt &  Location () const 
Returns the location point of the hyperbola. It is the intersection point between the "XAxis" and the "YAxis". More...  
Standard_Real  MajorRadius () const 
Returns the major radius of the hyperbola. It is the radius on the "XAxis" of the hyperbola. More...  
Standard_Real  MinorRadius () const 
Returns the minor radius of the hyperbola. It is the radius on the "YAxis" of the hyperbola. More...  
gp_Hypr  OtherBranch () const 
Returns the branch of hyperbola obtained by doing the symmetrical transformation of <me> with respect to the "YAxis" of <me>. More...  
Standard_Real  Parameter () const 
Returns p = (e * e  1) * MajorRadius where e is the eccentricity of the hyperbola. Raises DomainError if MajorRadius = 0.0. More...  
const gp_Ax2 &  Position () const 
Returns the coordinate system of the hyperbola. More...  
gp_Ax1  XAxis () const 
Computes an axis, whose. More...  
gp_Ax1  YAxis () const 
Computes an axis, whose. More...  
void  Mirror (const gp_Pnt &P) 
gp_Hypr  Mirrored (const gp_Pnt &P) const 
Performs the symmetrical transformation of an hyperbola with respect to the point P which is the center of the symmetry. More...  
void  Mirror (const gp_Ax1 &A1) 
gp_Hypr  Mirrored (const gp_Ax1 &A1) const 
Performs the symmetrical transformation of an hyperbola with respect to an axis placement which is the axis of the symmetry. More...  
void  Mirror (const gp_Ax2 &A2) 
gp_Hypr  Mirrored (const gp_Ax2 &A2) const 
Performs the symmetrical transformation of an hyperbola with respect to a plane. The axis placement A2 locates the plane of the symmetry (Location, XDirection, YDirection). More...  
void  Rotate (const gp_Ax1 &A1, const Standard_Real Ang) 
gp_Hypr  Rotated (const gp_Ax1 &A1, const Standard_Real Ang) const 
Rotates an hyperbola. A1 is the axis of the rotation. Ang is the angular value of the rotation in radians. More...  
void  Scale (const gp_Pnt &P, const Standard_Real S) 
gp_Hypr  Scaled (const gp_Pnt &P, const Standard_Real S) const 
Scales an hyperbola. S is the scaling value. More...  
void  Transform (const gp_Trsf &T) 
gp_Hypr  Transformed (const gp_Trsf &T) const 
Transforms an hyperbola with the transformation T from class Trsf. More...  
void  Translate (const gp_Vec &V) 
gp_Hypr  Translated (const gp_Vec &V) const 
Translates an hyperbola in the direction of the vector V. The magnitude of the translation is the vector's magnitude. More...  
void  Translate (const gp_Pnt &P1, const gp_Pnt &P2) 
gp_Hypr  Translated (const gp_Pnt &P1, const gp_Pnt &P2) const 
Translates an hyperbola from the point P1 to the point P2. More...  
const gp_Ax2 &  _CSFDB_Getgp_Hyprpos () const 
Standard_Real  _CSFDB_Getgp_HyprmajorRadius () const 
void  _CSFDB_Setgp_HyprmajorRadius (const Standard_Real p) 
Standard_Real  _CSFDB_Getgp_HyprminorRadius () const 
void  _CSFDB_Setgp_HyprminorRadius (const Standard_Real p) 
Describes a branch of a hyperbola in 3D space. A hyperbola is defined by its major and minor radii and positioned in space with a coordinate system (a gp_Ax2 object) of which:
^YAxis  FirstConjugateBranch  Other  Main — C —>XAxis Branch  Branch   SecondConjugateBranch  ^YAxis Warning The major radius can be less than the minor radius. See Also gce_MakeHypr which provides functions for more complex hyperbola constructions Geom_Hyperbola which provides additional functions for constructing hyperbolas and works, in particular, with the parametric equations of hyperbolas
gp_Hypr::gp_Hypr  (  ) 
Creates of an indefinite hyperbola.
gp_Hypr::gp_Hypr  (  const gp_Ax2 &  A2, 
const Standard_Real  MajorRadius,  
const Standard_Real  MinorRadius  
) 
Creates a hyperbola with radii MajorRadius and MinorRadius, positioned in the space by the coordinate system A2 such that:

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gp_Ax1 gp_Hypr::Asymptote1  (  )  const 
In the local coordinate system of the hyperbola the equation of the hyperbola is (X*X)/(A*A)  (Y*Y)/(B*B) = 1.0 and the equation of the first asymptote is Y = (B/A)*X where A is the major radius and B is the minor radius. Raises ConstructionError if MajorRadius = 0.0.
gp_Ax1 gp_Hypr::Asymptote2  (  )  const 
In the local coordinate system of the hyperbola the equation of the hyperbola is (X*X)/(A*A)  (Y*Y)/(B*B) = 1.0 and the equation of the first asymptote is Y = (B/A)*X. where A is the major radius and B is the minor radius. Raises ConstructionError if MajorRadius = 0.0.
const gp_Ax1& gp_Hypr::Axis  (  )  const 
Returns the axis passing through the center, and normal to the plane of this hyperbola.
gp_Hypr gp_Hypr::ConjugateBranch1  (  )  const 
Computes the branch of hyperbola which is on the positive side of the "YAxis" of <me>.
gp_Hypr gp_Hypr::ConjugateBranch2  (  )  const 
Computes the branch of hyperbola which is on the negative side of the "YAxis" of <me>.
gp_Ax1 gp_Hypr::Directrix1  (  )  const 
This directrix is the line normal to the XAxis of the hyperbola in the local plane (Z = 0) at a distance d = MajorRadius / e from the center of the hyperbola, where e is the eccentricity of the hyperbola. This line is parallel to the "YAxis". The intersection point between the directrix1 and the "XAxis" is the "Location" point of the directrix1. This point is on the positive side of the "XAxis".
gp_Ax1 gp_Hypr::Directrix2  (  )  const 
This line is obtained by the symmetrical transformation of "Directrix1" with respect to the "YAxis" of the hyperbola.
Standard_Real gp_Hypr::Eccentricity  (  )  const 
Returns the excentricity of the hyperbola (e > 1). If f is the distance between the location of the hyperbola and the Focus1 then the eccentricity e = f / MajorRadius. Raises DomainError if MajorRadius = 0.0.
Standard_Real gp_Hypr::Focal  (  )  const 
Computes the focal distance. It is the distance between the the two focus of the hyperbola.
gp_Pnt gp_Hypr::Focus1  (  )  const 
Returns the first focus of the hyperbola. This focus is on the positive side of the "XAxis" of the hyperbola.
gp_Pnt gp_Hypr::Focus2  (  )  const 
Returns the second focus of the hyperbola. This focus is on the negative side of the "XAxis" of the hyperbola.
const gp_Pnt& gp_Hypr::Location  (  )  const 
Returns the location point of the hyperbola. It is the intersection point between the "XAxis" and the "YAxis".
Standard_Real gp_Hypr::MajorRadius  (  )  const 
Returns the major radius of the hyperbola. It is the radius on the "XAxis" of the hyperbola.
Standard_Real gp_Hypr::MinorRadius  (  )  const 
Returns the minor radius of the hyperbola. It is the radius on the "YAxis" of the hyperbola.
void gp_Hypr::Mirror  (  const gp_Pnt &  P  ) 
void gp_Hypr::Mirror  (  const gp_Ax1 &  A1  ) 
void gp_Hypr::Mirror  (  const gp_Ax2 &  A2  ) 
Performs the symmetrical transformation of an hyperbola with respect to the point P which is the center of the symmetry.
Performs the symmetrical transformation of an hyperbola with respect to an axis placement which is the axis of the symmetry.
Performs the symmetrical transformation of an hyperbola with respect to a plane. The axis placement A2 locates the plane of the symmetry (Location, XDirection, YDirection).
gp_Hypr gp_Hypr::OtherBranch  (  )  const 
Returns the branch of hyperbola obtained by doing the symmetrical transformation of <me> with respect to the "YAxis" of <me>.
Standard_Real gp_Hypr::Parameter  (  )  const 
Returns p = (e * e  1) * MajorRadius where e is the eccentricity of the hyperbola. Raises DomainError if MajorRadius = 0.0.
const gp_Ax2& gp_Hypr::Position  (  )  const 
Returns the coordinate system of the hyperbola.
void gp_Hypr::Rotate  (  const gp_Ax1 &  A1, 
const Standard_Real  Ang  
) 
gp_Hypr gp_Hypr::Rotated  (  const gp_Ax1 &  A1, 
const Standard_Real  Ang  
)  const 
Rotates an hyperbola. A1 is the axis of the rotation. Ang is the angular value of the rotation in radians.
void gp_Hypr::Scale  (  const gp_Pnt &  P, 
const Standard_Real  S  
) 
gp_Hypr gp_Hypr::Scaled  (  const gp_Pnt &  P, 
const Standard_Real  S  
)  const 
Scales an hyperbola. S is the scaling value.
void gp_Hypr::SetAxis  (  const gp_Ax1 &  A1  ) 
Modifies this hyperbola, by redefining its local coordinate system so that:
void gp_Hypr::SetLocation  (  const gp_Pnt &  P  ) 
Modifies this hyperbola, by redefining its local coordinate system so that its origin becomes P.
void gp_Hypr::SetMajorRadius  (  const Standard_Real  MajorRadius  ) 
Modifies the major radius of this hyperbola. Exceptions Standard_ConstructionError if MajorRadius is negative.
void gp_Hypr::SetMinorRadius  (  const Standard_Real  MinorRadius  ) 
Modifies the minor radius of this hyperbola. Exceptions Standard_ConstructionError if MinorRadius is negative.
void gp_Hypr::SetPosition  (  const gp_Ax2 &  A2  ) 
Modifies this hyperbola, by redefining its local coordinate system so that it becomes A2.
void gp_Hypr::Transform  (  const gp_Trsf &  T  ) 
Transforms an hyperbola with the transformation T from class Trsf.
void gp_Hypr::Translate  (  const gp_Vec &  V  ) 
Translates an hyperbola in the direction of the vector V. The magnitude of the translation is the vector's magnitude.
Translates an hyperbola from the point P1 to the point P2.
gp_Ax1 gp_Hypr::XAxis  (  )  const 
Computes an axis, whose.
gp_Ax1 gp_Hypr::YAxis  (  )  const 
Computes an axis, whose.