1 // Created on: 2002-08-02
2 // Created by: Alexander KARTOMIN (akm)
3 // Copyright (c) 2002-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _LProp3d_SLProps_HeaderFile
17 #define _LProp3d_SLProps_HeaderFile
19 #include <Standard.hxx>
20 #include <Standard_DefineAlloc.hxx>
21 #include <Standard_Handle.hxx>
23 #include <Standard_Real.hxx>
24 #include <Standard_Integer.hxx>
28 #include <LProp_Status.hxx>
29 #include <Standard_Boolean.hxx>
30 class Adaptor3d_HSurface;
31 class LProp_BadContinuity;
32 class Standard_DomainError;
33 class Standard_OutOfRange;
34 class LProp_NotDefined;
35 class LProp3d_SurfaceTool;
49 Standard_EXPORT LProp3d_SLProps(const Handle(Adaptor3d_HSurface)& S, const Standard_Real U, const Standard_Real V, const Standard_Integer N, const Standard_Real Resolution);
51 Standard_EXPORT LProp3d_SLProps(const Handle(Adaptor3d_HSurface)& S, const Standard_Integer N, const Standard_Real Resolution);
53 Standard_EXPORT LProp3d_SLProps(const Standard_Integer N, const Standard_Real Resolution);
55 Standard_EXPORT void SetSurface (const Handle(Adaptor3d_HSurface)& S);
57 Standard_EXPORT void SetParameters (const Standard_Real U, const Standard_Real V);
59 Standard_EXPORT const gp_Pnt& Value() const;
61 Standard_EXPORT const gp_Vec& D1U();
63 Standard_EXPORT const gp_Vec& D1V();
65 Standard_EXPORT const gp_Vec& D2U();
67 Standard_EXPORT const gp_Vec& D2V();
69 Standard_EXPORT const gp_Vec& DUV();
71 Standard_EXPORT Standard_Boolean IsTangentUDefined();
73 Standard_EXPORT void TangentU (gp_Dir& D);
75 Standard_EXPORT Standard_Boolean IsTangentVDefined();
77 Standard_EXPORT void TangentV (gp_Dir& D);
79 Standard_EXPORT Standard_Boolean IsNormalDefined();
81 Standard_EXPORT const gp_Dir& Normal();
83 Standard_EXPORT Standard_Boolean IsCurvatureDefined();
85 Standard_EXPORT Standard_Boolean IsUmbilic();
87 Standard_EXPORT Standard_Real MaxCurvature();
89 Standard_EXPORT Standard_Real MinCurvature();
91 Standard_EXPORT void CurvatureDirections (gp_Dir& MaxD, gp_Dir& MinD);
93 Standard_EXPORT Standard_Real MeanCurvature();
95 Standard_EXPORT Standard_Real GaussianCurvature();
110 Handle(Adaptor3d_HSurface) mySurf;
113 Standard_Integer myDerOrder;
114 Standard_Integer myCN;
115 Standard_Real myLinTol;
123 Standard_Real myMinCurv;
124 Standard_Real myMaxCurv;
127 Standard_Real myMeanCurv;
128 Standard_Real myGausCurv;
129 Standard_Integer mySignificantFirstDerivativeOrderU;
130 Standard_Integer mySignificantFirstDerivativeOrderV;
131 LProp_Status myUTangentStatus;
132 LProp_Status myVTangentStatus;
133 LProp_Status myNormalStatus;
134 LProp_Status myCurvatureStatus;
145 #endif // _LProp3d_SLProps_HeaderFile