1 // Created on: 2015-02-18
2 // Created by: Nikolai BUKHALOV
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2015 OPEN CASCADE SAS
5 //
6 // This file is part of Open CASCADE Technology software library.
7 //
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.
13 //
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
16 
17 #ifndef _IntPatch_PointLine_HeaderFile
18 #define _IntPatch_PointLine_HeaderFile
19 
20 #include <IntPatch_Line.hxx>
21 #include <Standard_Type.hxx>
22 
23 class gp_Pnt;
24 class gp_Pnt2d;
25 class IntSurf_PntOn2S;
26 class IntSurf_LineOn2S;
27 class IntPatch_Point;
28 class Adaptor3d_HSurface;
29 
30 DEFINE_STANDARD_HANDLE(IntPatch_PointLine, IntPatch_Line)
31 
32 //! Definition of an intersection line between two
33 //! surfaces.
34 //! A line defined by a set of points
35 //! (e.g. coming from a walking algorithm) as
36 //! defined in the class WLine or RLine (Restriction line).
37 class IntPatch_PointLine : public IntPatch_Line
38 {
39 public:
40 
41   //! Adds a vertex in the list. If theIsPrepend == TRUE the new
42   //! vertex will be added before the first element of vertices sequence.
43   //! Otherwise, to the end of the sequence
44   Standard_EXPORT virtual
45             void AddVertex (const IntPatch_Point& Pnt,
46                             const Standard_Boolean theIsPrepend = Standard_False) = 0;
47 
48   //! Returns the number of intersection points.
49   Standard_EXPORT virtual Standard_Integer NbPnts() const = 0;
50 
51   //! Returns number of vertices (IntPatch_Point) of the line
52   Standard_EXPORT virtual Standard_Integer NbVertex() const = 0;
53 
54   //! Returns the intersection point of range Index.
55   Standard_EXPORT virtual const IntSurf_PntOn2S& Point (const Standard_Integer Index) const = 0;
56 
57   //! Returns the vertex of range Index on the line.
58   Standard_EXPORT virtual const IntPatch_Point& Vertex (const Standard_Integer Index) const = 0;
59 
60   //! Returns the vertex of range Index on the line.
61   virtual IntPatch_Point& ChangeVertex (const Standard_Integer Index) = 0;
62 
63   //! Removes vertices from the line
64   Standard_EXPORT virtual void ClearVertexes() = 0;
65 
66   //! Removes single vertex from the line
67   Standard_EXPORT virtual void RemoveVertex (const Standard_Integer theIndex) = 0;
68 
69   //! Returns set of intersection points
70   Standard_EXPORT virtual Handle(IntSurf_LineOn2S) Curve() const = 0;
71 
72   //! Returns TRUE if P1 is out of the box built from
73   //! the points on 1st surface
74   Standard_EXPORT virtual Standard_Boolean IsOutSurf1Box(const gp_Pnt2d& P1) const = 0;
75 
76   //! Returns TRUE if P2 is out of the box built from
77   //! the points on 2nd surface
78   Standard_EXPORT virtual Standard_Boolean IsOutSurf2Box(const gp_Pnt2d& P2) const = 0;
79 
80   //! Returns TRUE if P is out of the box built from 3D-points.
81   Standard_EXPORT virtual Standard_Boolean IsOutBox(const gp_Pnt& P) const = 0;
82 
83   //! Returns the radius of curvature of
84   //! the intersection line in given point.
85   //! Returns negative value if computation is not possible.
86   Standard_EXPORT static Standard_Real
87             CurvatureRadiusOfIntersLine(const Handle(Adaptor3d_HSurface)& theS1,
88                                         const Handle(Adaptor3d_HSurface)& theS2,
89                                         const IntSurf_PntOn2S& theUVPoint);
90 
91   DEFINE_STANDARD_RTTIEXT(IntPatch_PointLine,IntPatch_Line)
92 
93 protected:
94 
95 
96   //! To initialize the fields, when the transitions
97   //! are In or Out.
98   Standard_EXPORT IntPatch_PointLine(const Standard_Boolean Tang, const IntSurf_TypeTrans Trans1, const IntSurf_TypeTrans Trans2);
99 
100   //! To initialize the fields, when the transitions
101   //! are Touch.
102   Standard_EXPORT IntPatch_PointLine(const Standard_Boolean Tang, const IntSurf_Situation Situ1, const IntSurf_Situation Situ2);
103 
104   //! To initialize the fields, when the transitions
105   //! are Undecided.
106   Standard_EXPORT IntPatch_PointLine(const Standard_Boolean Tang);
107 
108 
109 
110 private:
111 
112 
113 
114 
115 };
116 
117 
118 
119 
120 
121 
122 
123 #endif // _IntPatch_PointLine_HeaderFile
124