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 // Created on: 1991-04-12
 // Created by: Michel CHAUVAT
 // Copyright (c) 1991-1999 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 _BRepGProp_Vinert_HeaderFile
 #define _BRepGProp_Vinert_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 
 #include <GProp_GProps.hxx>
 class BRepGProp_Face;
 class gp_Pnt;
 class gp_Pln;
 class BRepGProp_Domain;
 
 
 
 //! Computes the global properties of a geometric solid
 //! (3D closed region of space) delimited with :
 //! . a surface
 //! . a point and a surface
 //! . a plane and a surface
 //!
 //! The surface can be :
 //! . a surface limited with its parametric values U-V,
 //! . a surface limited in U-V space with its curves of restriction,
 //!
 //! The surface 's requirements to evaluate the global properties
 //! are defined in the template SurfaceTool from package GProp.
 class BRepGProp_Vinert  : public GProp_GProps
 {
 public:
 
   DEFINE_STANDARD_ALLOC
 
   
   Standard_EXPORT BRepGProp_Vinert();
   
 
   //! Computes the global properties of a region of 3D space
   //! delimited with the surface <S> and the point VLocation. S can be closed
   //! The method is quick and its precision is enough for many cases of analytical
   //! surfaces.
   //! Non-adaptive 2D Gauss integration with predefined numbers of Gauss points
   //! is used. Numbers of points depend on types of surfaces and  curves.
   //! Error of the computation is not calculated.
   Standard_EXPORT BRepGProp_Vinert(const BRepGProp_Face& S, const gp_Pnt& VLocation);
   
 
   //! Computes the global properties of a region of 3D space
   //! delimited with the surface <S> and the point VLocation. S can be closed
   //! Adaptive 2D Gauss integration is used.
   //! Parameter Eps sets maximal relative error of computed mass (volume) for face.
   //! Error is calculated as Abs((M(i+1)-M(i))/M(i+1)), M(i+1) and M(i) are values
   //! for two successive steps of adaptive integration.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, const gp_Pnt& VLocation, const Standard_Real Eps);
   
 
   //! Computes the global properties of the region of 3D space
   //! delimited with the surface <S> and the point VLocation.
   //! The method is quick and its precision is enough for many cases of analytical
   //! surfaces.
   //! Non-adaptive 2D Gauss integration with predefined numbers of Gauss points
   //! is used. Numbers of points depend on types of surfaces and  curves.
   //! Error of the computation is not calculated.
   Standard_EXPORT BRepGProp_Vinert(const BRepGProp_Face& S, const gp_Pnt& O, const gp_Pnt& VLocation);
   
 
   //! Computes the global properties of the region of 3D space
   //! delimited with the surface <S> and the point VLocation.
   //! Adaptive 2D Gauss integration is used.
   //! Parameter Eps sets maximal relative error of computed mass (volume) for face.
   //! Error is calculated as Abs((M(i+1)-M(i))/M(i+1)), M(i+1) and M(i) are values
   //! for two successive steps of adaptive integration.
   //! WARNING: if Eps > 0.001 algorithm performs non-adaptive integration.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, const gp_Pnt& O, const gp_Pnt& VLocation, const Standard_Real Eps);
   
 
   //! Computes the global properties of the region of 3D space
   //! delimited with the surface <S> and the plane Pln.
   //! The method is quick and its precision is enough for many cases of analytical
   //! surfaces.
   //! Non-adaptive 2D Gauss integration with predefined numbers of Gauss points
   //! is used. Numbers of points depend on types of surfaces and  curves.
   //! Error of the computation is not calculated.
   Standard_EXPORT BRepGProp_Vinert(const BRepGProp_Face& S, const gp_Pln& Pl, const gp_Pnt& VLocation);
   
 
   //! Computes the global properties of the region of 3D space
   //! delimited with the surface <S> and the plane Pln.
   //! Adaptive 2D Gauss integration is used.
   //! Parameter Eps sets maximal relative error of computed mass (volume) for face.
   //! Error is calculated as Abs((M(i+1)-M(i))/M(i+1)), M(i+1) and M(i) are values
   //! for two successive steps of adaptive integration.
   //! WARNING: if Eps > 0.001 algorithm performs non-adaptive integration.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, const gp_Pln& Pl, const gp_Pnt& VLocation, const Standard_Real Eps);
   
 
   //! Computes the global properties of a region of 3D space
   //! delimited with the surface <S> and the point VLocation. S can be closed
   //! The method is quick and its precision is enough for many cases of analytical
   //! surfaces.
   //! Non-adaptive 2D Gauss integration with predefined numbers of Gauss points
   //! is used. Numbers of points depend on types of surfaces and  curves.
   //! Error of the computation is not calculated.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& VLocation);
   
 
   //! Computes the global properties of a region of 3D space
   //! delimited with the surface <S> and the point VLocation. S can be closed
   //! Adaptive 2D Gauss integration is used.
   //! Parameter Eps sets maximal relative error of computed mass (volume) for face.
   //! Error is calculated as Abs((M(i+1)-M(i))/M(i+1)), M(i+1) and M(i) are values
   //! for two successive steps of adaptive integration.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& VLocation, const Standard_Real Eps);
   
 
   //! Computes the global properties of the region of 3D space
   //! delimited with the surface <S> and the point VLocation.
   //! The method is quick and its precision is enough for many cases of analytical
   //! surfaces.
   //! Non-adaptive 2D Gauss integration with predefined numbers of Gauss points
   //! is used. Numbers of points depend on types of surfaces and  curves.
   //! Error of the computation is not calculated.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& O, const gp_Pnt& VLocation);
   
 
   //! Computes the global properties of the region of 3D space
   //! delimited with the surface <S> and the point VLocation.
   //! Adaptive 2D Gauss integration is used.
   //! Parameter Eps sets maximal relative error of computed mass (volume) for face.
   //! Error is calculated as Abs((M(i+1)-M(i))/M(i+1)), M(i+1) and M(i) are values
   //! for two successive steps of adaptive integration.
   //! WARNING: if Eps > 0.001 algorithm performs non-adaptive integration.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& O, const gp_Pnt& VLocation, const Standard_Real Eps);
   
 
   //! Computes the global properties of the region of 3D space
   //! delimited with the surface <S> and the plane Pln.
   //! The method is quick and its precision is enough for many cases of analytical
   //! surfaces.
   //! Non-adaptive 2D Gauss integration with predefined numbers of Gauss points
   //! is used. Numbers of points depend on types of surfaces and  curves.
   //! Error of the computation is not calculated.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pln& Pl, const gp_Pnt& VLocation);
   
 
   //! Computes the global properties of the region of 3D space
   //! delimited with the surface <S> and the plane Pln.
   //! Adaptive 2D Gauss integration is used.
   //! Parameter Eps sets maximal relative error of computed mass (volume) for face.
   //! Error is calculated as Abs((M(i+1)-M(i))/M(i+1)), M(i+1) and M(i) are values
   //! for two successive steps of adaptive integration.
   //! WARNING: if Eps > 0.001 algorithm performs non-adaptive integration.
   Standard_EXPORT BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pln& Pl, const gp_Pnt& VLocation, const Standard_Real Eps);
   
   Standard_EXPORT void SetLocation (const gp_Pnt& VLocation);
   
   Standard_EXPORT void Perform (const BRepGProp_Face& S);
   
   Standard_EXPORT Standard_Real Perform (BRepGProp_Face& S, const Standard_Real Eps);
   
   Standard_EXPORT void Perform (const BRepGProp_Face& S, const gp_Pnt& O);
   
   Standard_EXPORT Standard_Real Perform (BRepGProp_Face& S, const gp_Pnt& O, const Standard_Real Eps);
   
   Standard_EXPORT void Perform (const BRepGProp_Face& S, const gp_Pln& Pl);
   
   Standard_EXPORT Standard_Real Perform (BRepGProp_Face& S, const gp_Pln& Pl, const Standard_Real Eps);
   
   Standard_EXPORT void Perform (BRepGProp_Face& S, BRepGProp_Domain& D);
   
   Standard_EXPORT Standard_Real Perform (BRepGProp_Face& S, BRepGProp_Domain& D, const Standard_Real Eps);
   
   Standard_EXPORT void Perform (BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& O);
   
   Standard_EXPORT Standard_Real Perform (BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& O, const Standard_Real Eps);
   
   Standard_EXPORT void Perform (BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pln& Pl);
   
   Standard_EXPORT Standard_Real Perform (BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pln& Pl, const Standard_Real Eps);
   
 
   //! If previously used methods containe Eps parameter
   //! gets actual relative error of the computation, else returns  1.0.
   Standard_EXPORT Standard_Real GetEpsilon();
 
 
 
 
 protected:
 
 
 
 
 
 private:
 
 
 
   Standard_Real myEpsilon;
 
 
 };
 
 
 
 
 
 
 
 #endif // _BRepGProp_Vinert_HeaderFile

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