Open CASCADE Technology
7.1.0.beta

This class implements the algorithms used to create 2d circles TANgent to 2 entities and having the center ON a curve. The order of the tangency argument is always QualifiedCirc, QualifiedLin, QualifiedCurv, Pnt2d. the arguments are : More...
#include <Geom2dGcc_Circ2d2TanOn.hxx>
Public Member Functions  
Geom2dGcc_Circ2d2TanOn (const Geom2dGcc_QualifiedCurve &Qualified1, const Geom2dGcc_QualifiedCurve &Qualified2, const Geom2dAdaptor_Curve &OnCurve, const Standard_Real Tolerance, const Standard_Real Param1, const Standard_Real Param2, const Standard_Real ParamOn)  
This method implements the algorithms used to create 2d circles TANgent to two curves and having the center ON a 2d curve. Param1 is the initial guess on the first curve QualifiedCurv. Param1 is the initial guess on the second curve QualifiedCurv. ParamOn is the initial guess on the center curve OnCurv. Tolerance is used for the limit cases. More...  
Geom2dGcc_Circ2d2TanOn (const Geom2dGcc_QualifiedCurve &Qualified1, const Handle< Geom2d_Point > &Point, const Geom2dAdaptor_Curve &OnCurve, const Standard_Real Tolerance, const Standard_Real Param1, const Standard_Real ParamOn)  
This method implements the algorithms used to create 2d circles TANgent to one curve and one point and having the center ON a 2d curve. Param1 is the initial guess on the first curve QualifiedCurv. ParamOn is the initial guess on the center curve OnCurv. Tolerance is used for the limit cases. More...  
Geom2dGcc_Circ2d2TanOn (const Handle< Geom2d_Point > &Point1, const Handle< Geom2d_Point > &Point2, const Geom2dAdaptor_Curve &OnCurve, const Standard_Real Tolerance)  
This method implements the algorithms used to create 2d circles TANgent to two points and having the center ON a 2d curve. Tolerance is used for the limit cases. More...  
void  Results (const GccAna_Circ2d2TanOn &Circ) 
void  Results (const Geom2dGcc_Circ2d2TanOnGeo &Circ) 
Standard_Boolean  IsDone () const 
Returns true if the construction algorithm does not fail (even if it finds no solution). Note: IsDone protects against a failure arising from a more internal intersection algorithm, which has reached its numeric limits. More...  
Standard_Integer  NbSolutions () const 
This method returns the number of solutions. NotDone is raised if the algorithm failed. More...  
gp_Circ2d  ThisSolution (const Standard_Integer Index) const 
Returns the solution number Index and raises OutOfRange exception if Index is greater than the number of solutions. Be carefull: the Index is only a way to get all the solutions, but is not associated to theses outside the context of the algorithmobject. Exceptions Standard_OutOfRange if Index is less than or equal to zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails. More...  
void  WhichQualifier (const Standard_Integer Index, GccEnt_Position &Qualif1, GccEnt_Position &Qualif2) const 
It returns the informations about the qualifiers of the tangency arguments concerning the solution number Index. It returns the real qualifiers (the qualifiers given to the constructor method in case of enclosed, enclosing and outside and the qualifiers computedin case of unqualified). Exceptions Standard_OutOfRange if Index is less than zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails. More...  
void  Tangency1 (const Standard_Integer Index, Standard_Real &ParSol, Standard_Real &ParArg, gp_Pnt2d &PntSol) const 
Returns informations about the tangency point between the result and the first argument. ParSol is the intrinsic parameter of the point PntSol on the solution curv. ParArg is the intrinsic parameter of the point PntSol on the argument curv. More...  
void  Tangency2 (const Standard_Integer Index, Standard_Real &ParSol, Standard_Real &ParArg, gp_Pnt2d &PntSol) const 
Returns informations about the tangency point between the result and the second argument. ParSol is the intrinsic parameter of the point PntSol on the solution curv. ParArg is the intrinsic parameter of the point PntSol on the argument curv. More...  
void  CenterOn3 (const Standard_Integer Index, Standard_Real &ParArg, gp_Pnt2d &PntSol) const 
Returns the center PntSol of the solution of index Index computed by this algorithm. ParArg is the parameter of the point PntSol on the third argument. Exceptions Standard_OutOfRange if Index is less than zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails. More...  
Standard_Boolean  IsTheSame1 (const Standard_Integer Index) const 
Returns true if the solution of index Index and, respectively, the first or second argument of this algorithm are the same (i.e. there are 2 identical circles). If Rarg is the radius of the first or second argument, Rsol is the radius of the solution and dist is the distance between the two centers, we consider the two circles to be identical if Rarg  Rsol and dist are less than or equal to the tolerance criterion given at the time of construction of this algorithm. Exceptions Standard_OutOfRange if Index is less than zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails. More...  
Standard_Boolean  IsTheSame2 (const Standard_Integer Index) const 
Returns true if the solution of index Index and, respectively, the first or second argument of this algorithm are the same (i.e. there are 2 identical circles). If Rarg is the radius of the first or second argument, Rsol is the radius of the solution and dist is the distance between the two centers, we consider the two circles to be identical if Rarg  Rsol and dist are less than or equal to the tolerance criterion given at the time of construction of this algorithm. Exceptions Standard_OutOfRange if Index is less than zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails. More...  
This class implements the algorithms used to create 2d circles TANgent to 2 entities and having the center ON a curve. The order of the tangency argument is always QualifiedCirc, QualifiedLin, QualifiedCurv, Pnt2d. the arguments are :
Geom2dGcc_Circ2d2TanOn::Geom2dGcc_Circ2d2TanOn  (  const Geom2dGcc_QualifiedCurve &  Qualified1, 
const Geom2dGcc_QualifiedCurve &  Qualified2,  
const Geom2dAdaptor_Curve &  OnCurve,  
const Standard_Real  Tolerance,  
const Standard_Real  Param1,  
const Standard_Real  Param2,  
const Standard_Real  ParamOn  
) 
This method implements the algorithms used to create 2d circles TANgent to two curves and having the center ON a 2d curve. Param1 is the initial guess on the first curve QualifiedCurv. Param1 is the initial guess on the second curve QualifiedCurv. ParamOn is the initial guess on the center curve OnCurv. Tolerance is used for the limit cases.
Geom2dGcc_Circ2d2TanOn::Geom2dGcc_Circ2d2TanOn  (  const Geom2dGcc_QualifiedCurve &  Qualified1, 
const Handle< Geom2d_Point > &  Point,  
const Geom2dAdaptor_Curve &  OnCurve,  
const Standard_Real  Tolerance,  
const Standard_Real  Param1,  
const Standard_Real  ParamOn  
) 
This method implements the algorithms used to create 2d circles TANgent to one curve and one point and having the center ON a 2d curve. Param1 is the initial guess on the first curve QualifiedCurv. ParamOn is the initial guess on the center curve OnCurv. Tolerance is used for the limit cases.
Geom2dGcc_Circ2d2TanOn::Geom2dGcc_Circ2d2TanOn  (  const Handle< Geom2d_Point > &  Point1, 
const Handle< Geom2d_Point > &  Point2,  
const Geom2dAdaptor_Curve &  OnCurve,  
const Standard_Real  Tolerance  
) 
This method implements the algorithms used to create 2d circles TANgent to two points and having the center ON a 2d curve. Tolerance is used for the limit cases.
void Geom2dGcc_Circ2d2TanOn::CenterOn3  (  const Standard_Integer  Index, 
Standard_Real &  ParArg,  
gp_Pnt2d &  PntSol  
)  const 
Returns the center PntSol of the solution of index Index computed by this algorithm. ParArg is the parameter of the point PntSol on the third argument. Exceptions Standard_OutOfRange if Index is less than zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails.
Standard_Boolean Geom2dGcc_Circ2d2TanOn::IsDone  (  )  const 
Returns true if the construction algorithm does not fail (even if it finds no solution). Note: IsDone protects against a failure arising from a more internal intersection algorithm, which has reached its numeric limits.
Standard_Boolean Geom2dGcc_Circ2d2TanOn::IsTheSame1  (  const Standard_Integer  Index  )  const 
Returns true if the solution of index Index and, respectively, the first or second argument of this algorithm are the same (i.e. there are 2 identical circles). If Rarg is the radius of the first or second argument, Rsol is the radius of the solution and dist is the distance between the two centers, we consider the two circles to be identical if Rarg  Rsol and dist are less than or equal to the tolerance criterion given at the time of construction of this algorithm. Exceptions Standard_OutOfRange if Index is less than zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails.
Standard_Boolean Geom2dGcc_Circ2d2TanOn::IsTheSame2  (  const Standard_Integer  Index  )  const 
Returns true if the solution of index Index and, respectively, the first or second argument of this algorithm are the same (i.e. there are 2 identical circles). If Rarg is the radius of the first or second argument, Rsol is the radius of the solution and dist is the distance between the two centers, we consider the two circles to be identical if Rarg  Rsol and dist are less than or equal to the tolerance criterion given at the time of construction of this algorithm. Exceptions Standard_OutOfRange if Index is less than zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails.
Standard_Integer Geom2dGcc_Circ2d2TanOn::NbSolutions  (  )  const 
This method returns the number of solutions. NotDone is raised if the algorithm failed.
void Geom2dGcc_Circ2d2TanOn::Results  (  const GccAna_Circ2d2TanOn &  Circ  ) 
void Geom2dGcc_Circ2d2TanOn::Results  (  const Geom2dGcc_Circ2d2TanOnGeo &  Circ  ) 
void Geom2dGcc_Circ2d2TanOn::Tangency1  (  const Standard_Integer  Index, 
Standard_Real &  ParSol,  
Standard_Real &  ParArg,  
gp_Pnt2d &  PntSol  
)  const 
Returns informations about the tangency point between the result and the first argument. ParSol is the intrinsic parameter of the point PntSol on the solution curv. ParArg is the intrinsic parameter of the point PntSol on the argument curv.
void Geom2dGcc_Circ2d2TanOn::Tangency2  (  const Standard_Integer  Index, 
Standard_Real &  ParSol,  
Standard_Real &  ParArg,  
gp_Pnt2d &  PntSol  
)  const 
Returns informations about the tangency point between the result and the second argument. ParSol is the intrinsic parameter of the point PntSol on the solution curv. ParArg is the intrinsic parameter of the point PntSol on the argument curv.
gp_Circ2d Geom2dGcc_Circ2d2TanOn::ThisSolution  (  const Standard_Integer  Index  )  const 
Returns the solution number Index and raises OutOfRange exception if Index is greater than the number of solutions. Be carefull: the Index is only a way to get all the solutions, but is not associated to theses outside the context of the algorithmobject. Exceptions Standard_OutOfRange if Index is less than or equal to zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails.
void Geom2dGcc_Circ2d2TanOn::WhichQualifier  (  const Standard_Integer  Index, 
GccEnt_Position &  Qualif1,  
GccEnt_Position &  Qualif2  
)  const 
It returns the informations about the qualifiers of the tangency arguments concerning the solution number Index. It returns the real qualifiers (the qualifiers given to the constructor method in case of enclosed, enclosing and outside and the qualifiers computedin case of unqualified). Exceptions Standard_OutOfRange if Index is less than zero or greater than the number of solutions computed by this algorithm. StdFail_NotDone if the construction fails.