// Created on: 1997-05-05 // Created by: Jerome LEMONIER // Copyright (c) 1997-1999 Matra Datavision // Copyright (c) 1999-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #ifndef _GeomPlate_PointConstraint_HeaderFile #define _GeomPlate_PointConstraint_HeaderFile #include #include #include #include #include #include #include #include #include #include class Geom_Surface; class GeomPlate_PointConstraint; DEFINE_STANDARD_HANDLE(GeomPlate_PointConstraint, Standard_Transient) //! Defines points as constraints to be used to deform a surface. class GeomPlate_PointConstraint : public Standard_Transient { public: //! Constructs a point constraint object defined by Pt, a 3D point //! Order gives the order of constraint, one of: //! - -1 i.e. none, or 0 i.e.G0 when assigned to Pt //! - -1 i.e. none, 0 i.e. G0, 1 i.e. G1, 2 i.e. G2 when //! assigned to U, V and Surf. //! In this constructor, only TolDist is given. //! Distance tolerance represents the greatest distance //! allowed between the constraint and the target surface. //! Angular tolerance represents the largest angle allowed //! between the constraint and the target surface. Curvature //! tolerance represents the greatest difference in curvature //! allowed between the constraint and the target surface. //! Raises ConstructionError if Order is not 0 or -1 Standard_EXPORT GeomPlate_PointConstraint(const gp_Pnt& Pt, const Standard_Integer Order, const Standard_Real TolDist = 0.0001); //! Constructs a point constraint object defined by //! the intersection point of U and V on the surface Surf. //! Order gives the order of constraint, one of: //! - -1 i.e. none, or 0 i.e.G0 when assigned to Pt //! - -1 i.e. none, 0 i.e. G0, 1 i.e. G1, 2 i.e. G2 when //! assigned to U, V and Surf. //! In this constructor the surface to be generated must //! respect several tolerance values only: //! - the distance tolerance TolDist //! - the angular tolerance TolAng //! - the curvature tolerance, TolCurv. //! Distance tolerance represents the greatest distance //! allowed between the constraint and the target surface. //! Angular tolerance represents the largest angle allowed //! between the constraint and the target surface. Curvature //! tolerance represents the greatest difference in curvature //! allowed between the constraint and the target surface.Creates a punctual constraint. Standard_EXPORT GeomPlate_PointConstraint(const Standard_Real U, const Standard_Real V, const Handle(Geom_Surface)& Surf, const Standard_Integer Order, const Standard_Real TolDist = 0.0001, const Standard_Real TolAng = 0.01, const Standard_Real TolCurv = 0.1); Standard_EXPORT void SetOrder (const Standard_Integer Order); //! Returns the order of constraint: G0, G1, and G2, //! controlled respectively by G0Criterion G1Criterion and G2Criterion. Standard_EXPORT Standard_Integer Order() const; //! Allows you to set the G0 criterion. This is the law //! defining the greatest distance allowed between the //! constraint and the target surface. If this criterion is not //! set, {TolDist, the distance tolerance from the constructor, is used Standard_EXPORT void SetG0Criterion (const Standard_Real TolDist); //! Allows you to set the G1 criterion. This is the law //! defining the greatest angle allowed between the //! constraint and the target surface. If this criterion is not //! set, TolAng, the angular tolerance from the constructor, is used. //! Raises ConstructionError if the point is not on the surface Standard_EXPORT void SetG1Criterion (const Standard_Real TolAng); //! Allows you to set the G2 criterion. This is the law //! defining the greatest difference in curvature allowed //! between the constraint and the target surface. If this //! criterion is not set, TolCurv, the curvature tolerance from //! the constructor, is used. //! Raises ConstructionError if the point is not on the surface Standard_EXPORT void SetG2Criterion (const Standard_Real TolCurv); //! Returns the G0 criterion. This is the greatest distance //! allowed between the constraint and the target surface. Standard_EXPORT Standard_Real G0Criterion() const; //! Returns the G1 criterion. This is the greatest angle //! allowed between the constraint and the target surface. //! Raises ConstructionError if the point is not on the surface. Standard_EXPORT Standard_Real G1Criterion() const; //! Returns the G2 criterion. This is the greatest difference //! in curvature allowed between the constraint and the target surface. //! Raises ConstructionError if the point is not on the surface Standard_EXPORT Standard_Real G2Criterion() const; Standard_EXPORT void D0 (gp_Pnt& P) const; Standard_EXPORT void D1 (gp_Pnt& P, gp_Vec& V1, gp_Vec& V2) const; Standard_EXPORT void D2 (gp_Pnt& P, gp_Vec& V1, gp_Vec& V2, gp_Vec& V3, gp_Vec& V4, gp_Vec& V5) const; Standard_EXPORT Standard_Boolean HasPnt2dOnSurf() const; Standard_EXPORT void SetPnt2dOnSurf (const gp_Pnt2d& Pnt); Standard_EXPORT gp_Pnt2d Pnt2dOnSurf() const; Standard_EXPORT GeomLProp_SLProps& LPropSurf(); DEFINE_STANDARD_RTTIEXT(GeomPlate_PointConstraint,Standard_Transient) protected: Standard_Integer myOrder; private: GeomLProp_SLProps myLProp; gp_Pnt myPoint; gp_Pnt2d myPt2d; Handle(Geom_Surface) mySurf; gp_Vec myD11; gp_Vec myD12; gp_Vec myD21; gp_Vec myD22; gp_Vec myD23; Standard_Real myU; Standard_Real myV; Standard_Real myTolDist; Standard_Real myTolAng; Standard_Real myTolCurv; Standard_Boolean hasPnt2dOnSurf; }; #endif // _GeomPlate_PointConstraint_HeaderFile