1 // Created on: 1994-02-24
2 // Created by: Laurent BOURESCHE
3 // Copyright (c) 1994-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _BRepLProp_SLProps_HeaderFile
18 #define _BRepLProp_SLProps_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <BRepAdaptor_Surface.hxx>
25 #include <Standard_Real.hxx>
26 #include <Standard_Integer.hxx>
30 #include <LProp_Status.hxx>
31 #include <Standard_Boolean.hxx>
32 class LProp_BadContinuity;
33 class Standard_DomainError;
34 class Standard_OutOfRange;
35 class LProp_NotDefined;
36 class BRepAdaptor_Surface;
37 class BRepLProp_SurfaceTool;
44 class BRepLProp_SLProps
51 Standard_EXPORT BRepLProp_SLProps(const BRepAdaptor_Surface& S, const Standard_Real U, const Standard_Real V, const Standard_Integer N, const Standard_Real Resolution);
53 Standard_EXPORT BRepLProp_SLProps(const BRepAdaptor_Surface& S, const Standard_Integer N, const Standard_Real Resolution);
55 Standard_EXPORT BRepLProp_SLProps(const Standard_Integer N, const Standard_Real Resolution);
57 Standard_EXPORT void SetSurface (const BRepAdaptor_Surface& S);
59 Standard_EXPORT void SetParameters (const Standard_Real U, const Standard_Real V);
61 Standard_EXPORT const gp_Pnt& Value() const;
63 Standard_EXPORT const gp_Vec& D1U();
65 Standard_EXPORT const gp_Vec& D1V();
67 Standard_EXPORT const gp_Vec& D2U();
69 Standard_EXPORT const gp_Vec& D2V();
71 Standard_EXPORT const gp_Vec& DUV();
73 Standard_EXPORT Standard_Boolean IsTangentUDefined();
75 Standard_EXPORT void TangentU (gp_Dir& D);
77 Standard_EXPORT Standard_Boolean IsTangentVDefined();
79 Standard_EXPORT void TangentV (gp_Dir& D);
81 Standard_EXPORT Standard_Boolean IsNormalDefined();
83 Standard_EXPORT const gp_Dir& Normal();
85 Standard_EXPORT Standard_Boolean IsCurvatureDefined();
87 Standard_EXPORT Standard_Boolean IsUmbilic();
89 Standard_EXPORT Standard_Real MaxCurvature();
91 Standard_EXPORT Standard_Real MinCurvature();
93 Standard_EXPORT void CurvatureDirections (gp_Dir& MaxD, gp_Dir& MinD);
95 Standard_EXPORT Standard_Real MeanCurvature();
97 Standard_EXPORT Standard_Real GaussianCurvature();
112 BRepAdaptor_Surface mySurf;
115 Standard_Integer myDerOrder;
116 Standard_Integer myCN;
117 Standard_Real myLinTol;
125 Standard_Real myMinCurv;
126 Standard_Real myMaxCurv;
129 Standard_Real myMeanCurv;
130 Standard_Real myGausCurv;
131 Standard_Integer mySignificantFirstDerivativeOrderU;
132 Standard_Integer mySignificantFirstDerivativeOrderV;
133 LProp_Status myUTangentStatus;
134 LProp_Status myVTangentStatus;
135 LProp_Status myNormalStatus;
136 LProp_Status myCurvatureStatus;
147 #endif // _BRepLProp_SLProps_HeaderFile