// This file is generated by WOK (CPPExt). // Please do not edit this file; modify original file instead. // The copyright and license terms as defined for the original file apply to // this header file considered to be the "object code" form of the original source. #ifndef _Geom2dAPI_InterCurveCurve_HeaderFile #define _Geom2dAPI_InterCurveCurve_HeaderFile #ifndef _Standard_HeaderFile #include #endif #ifndef _Standard_Macro_HeaderFile #include #endif #ifndef _Standard_Boolean_HeaderFile #include #endif #ifndef _Handle_Geom2d_Curve_HeaderFile #include #endif #ifndef _Geom2dInt_GInter_HeaderFile #include #endif #ifndef _Standard_Real_HeaderFile #include #endif #ifndef _Standard_Integer_HeaderFile #include #endif class Geom2d_Curve; class Standard_OutOfRange; class Standard_NullObject; class gp_Pnt2d; class Geom2dInt_GInter; //! This class implements methods for computing
//! - the intersections between two 2D curves,
//! - the self-intersections of a 2D curve.
//! Using the InterCurveCurve algorithm allows to get the following results:
//! - intersection points in the case of cross intersections,
//! - intersection segments in the case of tangential intersections,
//! - nothing in the case of no intersections.
class Geom2dAPI_InterCurveCurve { public: void* operator new(size_t,void* anAddress) { return anAddress; } void* operator new(size_t size) { return Standard::Allocate(size); } void operator delete(void *anAddress) { if (anAddress) Standard::Free((Standard_Address&)anAddress); } //! Create an empty intersector. Use the
//! function Init for further initialization of the intersection
//! algorithm by curves or curve.
Standard_EXPORT Geom2dAPI_InterCurveCurve(); //! Creates an object and computes the
//! intersections between the curves C1 and C2.
Standard_EXPORT Geom2dAPI_InterCurveCurve(const Handle(Geom2d_Curve)& C1,const Handle(Geom2d_Curve)& C2,const Standard_Real Tol = 1.0e-6); //! Creates an object and computes self-intersections of the curve C1.
//! Tolerance value Tol, defaulted to 1.0e-6, defines the precision of
//! computing the intersection points.
//! In case of a tangential intersection, Tol also defines the
//! size of intersection segments (limited portions of the curves)
//! where the distance between all points from two curves (or a curve
//! in case of self-intersection) is less than Tol.
//! Warning
//! Use functions NbPoints and NbSegments to obtain the number of
//! solutions. If the algorithm finds no intersections NbPoints and
//! NbSegments return 0.
Standard_EXPORT Geom2dAPI_InterCurveCurve(const Handle(Geom2d_Curve)& C1,const Standard_Real Tol = 1.0e-6); //! Initializes an algorithm with the
//! given arguments and computes the intersections between the curves C1. and C2.
Standard_EXPORT void Init(const Handle(Geom2d_Curve)& C1,const Handle(Geom2d_Curve)& C2,const Standard_Real Tol = 1.0e-6) ; //! Initializes an algorithm with the
//! given arguments and computes the self-intersections of the curve C1.
//! Tolerance value Tol, defaulted to 1.0e-6, defines the precision of
//! computing the intersection points. In case of a tangential
//! intersection, Tol also defines the size of intersection segments
//! (limited portions of the curves) where the distance between all
//! points from two curves (or a curve in case of self-intersection) is less than Tol.
//! Warning
//! Use functions NbPoints and NbSegments to obtain the number
//! of solutions. If the algorithm finds no intersections NbPoints
//! and NbSegments return 0.
Standard_EXPORT void Init(const Handle(Geom2d_Curve)& C1,const Standard_Real Tol = 1.0e-6) ; //! Returns the number of intersection-points in case of cross intersections.
//! NbPoints returns 0 if no intersections were found.
Standard_EXPORT Standard_Integer NbPoints() const; //! Returns the intersection point of index Index.
//! Intersection points are computed in case of cross intersections with a
//! precision equal to the tolerance value assigned at the time of
//! construction or in the function Init (this value is defaulted to 1.0e-6).
//! Exceptions
//! Standard_OutOfRange if index is not in the range [ 1,NbPoints ], where
//! NbPoints is the number of computed intersection points
Standard_EXPORT gp_Pnt2d Point(const Standard_Integer Index) const; //! Returns the number of tangential intersections.
//! NbSegments returns 0 if no intersections were found
Standard_EXPORT Standard_Integer NbSegments() const; //! Use this syntax only to get
//! solutions of tangential intersection between two curves.
//! Output values Curve1 and Curve2 are the intersection segments on the
//! first curve and on the second curve accordingly. Parameter Index
//! defines a number of computed solution.
//! An intersection segment is a portion of an initial curve limited
//! by two points. The distance from each point of this segment to the
//! other curve is less or equal to the tolerance value assigned at the
//! time of construction or in function Init (this value is defaulted to 1.0e-6).
//! Exceptions
//! Standard_OutOfRange if Index is not in the range [ 1,NbSegments ],
//! where NbSegments is the number of computed tangential intersections.
//! Standard_NullObject if the algorithm is initialized for the
//! computing of self-intersections on a curve.
Standard_EXPORT void Segment(const Standard_Integer Index,Handle(Geom2d_Curve)& Curve1,Handle(Geom2d_Curve)& Curve2) const; //! Use this syntax to get solutions of
//! tangential intersections only in case of a self-intersected curve.
//! Output value Curve1 is the intersection segment of the curve
//! defined by number Index. An intersection segment is a
//! portion of the initial curve limited by two points. The distance
//! between each point of this segment to another portion of the curve is
//! less or equal to the tolerance value assigned at the time of
//! construction or in the function Init (this value is defaulted to 1.0e-6).
//! Exceptions
//! Standard_OutOfRange if Index is not in the range [ 1,NbSegments ],
//! where NbSegments is the number of computed tangential intersections.
Standard_EXPORT void Segment(const Standard_Integer Index,Handle(Geom2d_Curve)& Curve1) const; //! return the algorithmic object from Intersection.
const Geom2dInt_GInter& Intersector() const; protected: private: Standard_Boolean myIsDone; Handle_Geom2d_Curve myCurve1; Handle_Geom2d_Curve myCurve2; Geom2dInt_GInter myIntersector; }; #include // other Inline functions and methods (like "C++: function call" methods) #endif