include/opencascade/IntPatch_ImpPrmIntersection.hxx

0001 // Created on: 1992-05-07
0002 // Created by: Jacques GOUSSARD
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _IntPatch_ImpPrmIntersection_HeaderFile
0018 #define _IntPatch_ImpPrmIntersection_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021 #include <IntPatch_SequenceOfPoint.hxx>
0022 #include <IntPatch_SequenceOfLine.hxx>
0023 #include <IntPatch_TheSOnBounds.hxx>
0024 #include <IntPatch_TheSearchInside.hxx>
0025
0026 class Adaptor3d_TopolTool;
0027
0028 //! Implementation of the intersection between a natural
0029 //! quadric patch : Plane, Cone, Cylinder or Sphere and
0030 //! a bi-parametrised surface.
0031 class IntPatch_ImpPrmIntersection
0032 {
0033 public:
0034
0035   DEFINE_STANDARD_ALLOC
0036
0037
0038   Standard_EXPORT IntPatch_ImpPrmIntersection();
0039
0040   Standard_EXPORT IntPatch_ImpPrmIntersection(const Handle(Adaptor3d_Surface)& Surf1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& Surf2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, const Standard_Real Fleche, const Standard_Real Pas);
0041
0042   //! to search for solution from the given point
0043   Standard_EXPORT void SetStartPoint (const Standard_Real U, const Standard_Real V);
0044
0045   Standard_EXPORT void Perform (const Handle(Adaptor3d_Surface)& Surf1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& Surf2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, const Standard_Real Fleche, const Standard_Real Pas);
0046
0047   //! Returns true if the calculus was successful.
0048     Standard_Boolean IsDone() const;
0049
0050   //! Returns true if the is no intersection.
0051     Standard_Boolean IsEmpty() const;
0052
0053   //! Returns the number of "single" points.
0054     Standard_Integer NbPnts() const;
0055
0056   //! Returns the point of range Index.
0057   //! An exception is raised if Index<=0 or Index>NbPnt.
0058     const IntPatch_Point& Point (const Standard_Integer Index) const;
0059
0060   //! Returns the number of intersection lines.
0061     Standard_Integer NbLines() const;
0062
0063   //! Returns the line of range Index.
0064   //! An exception is raised if Index<=0 or Index>NbLine.
0065     const Handle(IntPatch_Line)& Line (const Standard_Integer Index) const;
0066
0067
0068
0069
0070 protected:
0071
0072
0073
0074
0075
0076 private:
0077
0078
0079
0080   Standard_Boolean done;
0081   Standard_Boolean empt;
0082   IntPatch_SequenceOfPoint spnt;
0083   IntPatch_SequenceOfLine slin;
0084   IntPatch_TheSOnBounds solrst;
0085   IntPatch_TheSearchInside solins;
0086   Standard_Boolean myIsStartPnt;
0087   Standard_Real myUStart;
0088   Standard_Real myVStart;
0089
0090
0091 };
0092
0093
0094 #include <IntPatch_ImpPrmIntersection.lxx>
0095
0096
0097
0098
0099
0100 #endif // _IntPatch_ImpPrmIntersection_HeaderFile