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1 | // Created by: Eugeny MALTCHIKOV |
2 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
3 | // |
4 | // This file is part of Open CASCADE Technology software library. |
5 | // |
6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
11 | // |
12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
14 | |
15 | #ifndef _IntTools_EdgeEdge_HeaderFile |
16 | #define _IntTools_EdgeEdge_HeaderFile |
17 | |
18 | #include <Standard.hxx> |
19 | #include <Standard_DefineAlloc.hxx> |
20 | #include <Standard_Handle.hxx> |
21 | |
22 | #include <TopoDS_Edge.hxx> |
23 | #include <BRepAdaptor_Curve.hxx> |
24 | #include <Standard_Real.hxx> |
25 | #include <IntTools_Range.hxx> |
26 | #include <Standard_Boolean.hxx> |
27 | #include <Standard_Integer.hxx> |
28 | #include <IntTools_SequenceOfCommonPrts.hxx> |
29 | #include <IntTools_SequenceOfRanges.hxx> |
30 | #include <TopAbs_ShapeEnum.hxx> |
31 | class Geom_Curve; |
32 | class TopoDS_Edge; |
33 | class IntTools_Range; |
34 | class Bnd_Box; |
35 | class BRepAdaptor_Curve; |
36 | |
37 | |
38 | |
39 | //! The class provides Edge/Edge intersection algorithm |
40 | //! based on the intersection between edges bounding boxes. |
41 | class IntTools_EdgeEdge |
42 | { |
43 | public: |
44 | |
45 | DEFINE_STANDARD_ALLOC |
46 | |
47 | |
48 | |
49 | //! Empty contructor |
50 | IntTools_EdgeEdge(); |
51 | ~IntTools_EdgeEdge(); |
52 | |
53 | |
54 | //! Contructor |
55 | IntTools_EdgeEdge(const TopoDS_Edge& theEdge1, const TopoDS_Edge& theEdge2); |
56 | |
57 | |
58 | //! Contructor |
59 | IntTools_EdgeEdge(const TopoDS_Edge& theEdge1, const Standard_Real aT11, const Standard_Real aT12, const TopoDS_Edge& theEdge2, const Standard_Real aT21, const Standard_Real aT22); |
60 | |
61 | |
62 | //! Sets the first edge |
63 | void SetEdge1 (const TopoDS_Edge& theEdge); |
64 | |
65 | |
66 | //! Sets the first edge and its range |
67 | void SetEdge1 (const TopoDS_Edge& theEdge, const Standard_Real aT1, const Standard_Real aT2); |
68 | |
69 | |
70 | //! Sets the range for the first edge |
71 | void SetRange1 (const IntTools_Range& theRange1); |
72 | |
73 | |
74 | //! Sets the range for the first edge |
75 | void SetRange1 (const Standard_Real aT1, const Standard_Real aT2); |
76 | |
77 | |
78 | //! Sets the second edge |
79 | void SetEdge2 (const TopoDS_Edge& theEdge); |
80 | |
81 | |
82 | //! Sets the first edge and its range |
83 | void SetEdge2 (const TopoDS_Edge& theEdge, const Standard_Real aT1, const Standard_Real aT2); |
84 | |
85 | |
86 | //! Sets the range for the second edge |
87 | void SetRange2 (const IntTools_Range& theRange); |
88 | |
89 | |
90 | //! Sets the range for the second edge |
91 | void SetRange2 (const Standard_Real aT1, const Standard_Real aT2); |
92 | |
93 | |
94 | //! Performs the intersection between edges |
95 | Standard_EXPORT void Perform(); |
96 | |
97 | |
98 | //! Returns TRUE if common part(s) is(are) found |
99 | Standard_Boolean IsDone() const; |
100 | |
101 | |
102 | //! Returns common parts |
103 | const IntTools_SequenceOfCommonPrts& CommonParts() const; |
104 | |
105 | |
106 | |
107 | |
108 | protected: |
109 | |
110 | |
111 | |
112 | //! Checks the data |
113 | void CheckData(); |
114 | |
115 | |
116 | //! Prepares the data |
117 | Standard_EXPORT void Prepare(); |
118 | |
119 | |
120 | //! Computes Line/Line intersection. |
121 | Standard_EXPORT void ComputeLineLine(); |
122 | |
123 | |
124 | //! Intermediate function |
125 | Standard_EXPORT void FindSolutions (IntTools_SequenceOfRanges& theRanges1, IntTools_SequenceOfRanges& theRanges2, Standard_Boolean& bSplit2); |
126 | |
127 | |
128 | //! Looking for the exact intersection ranges |
129 | Standard_EXPORT void FindSolutions (const IntTools_Range& theR1, const IntTools_Range& theR2, const Bnd_Box& theBox2, IntTools_SequenceOfRanges& theRanges1, IntTools_SequenceOfRanges& theRanges2); |
130 | |
131 | |
132 | //! Merges found solutions |
133 | Standard_EXPORT void MergeSolutions (const IntTools_SequenceOfRanges& theRanges1, const IntTools_SequenceOfRanges& theRanges2, const Standard_Boolean bSplit2); |
134 | |
135 | |
136 | //! Looking for the range of the edge whick is in the box |
137 | Standard_EXPORT static Standard_Boolean FindParameters (const BRepAdaptor_Curve& theBAC, const Standard_Real aT1, const Standard_Real aT2, const Standard_Real theRes, const Standard_Real thePTol, const Standard_Real theResCoeff, const Bnd_Box& theCBox, Standard_Real& aTB1, Standard_Real& aTB2); |
138 | |
139 | |
140 | //! Checks if edges coincide on the ranges |
141 | Standard_EXPORT Standard_Integer CheckCoincidence (const Standard_Real aT11, const Standard_Real aT12, const Standard_Real aT21, const Standard_Real aT22, const Standard_Real theCriteria, const Standard_Real theCurveRes1); |
142 | |
143 | |
144 | //! Adds common part of the given type to myCommonParts |
145 | Standard_EXPORT void AddSolution (const Standard_Real aT11, const Standard_Real aT12, const Standard_Real aT21, const Standard_Real aT22, const TopAbs_ShapeEnum theType); |
146 | |
147 | |
148 | //! Looking for the minimal distance between edges on the ranges |
149 | Standard_EXPORT void FindBestSolution (const Standard_Real aT11, const Standard_Real aT12, const Standard_Real aT21, const Standard_Real aT22, Standard_Real& aT1, Standard_Real& aT2); |
150 | |
151 | |
152 | //! Checks is there an intersection between edges on the given ranges |
153 | //! (for nearly conicident edges) |
154 | Standard_EXPORT Standard_Boolean IsIntersection (const Standard_Real aT11, const Standard_Real aT12, const Standard_Real aT21, const Standard_Real aT22); |
155 | |
156 | |
157 | TopoDS_Edge myEdge1; |
158 | TopoDS_Edge myEdge2; |
159 | Handle(Geom_Curve) myGeom1; |
160 | Handle(Geom_Curve) myGeom2; |
161 | BRepAdaptor_Curve myCurve1; |
162 | BRepAdaptor_Curve myCurve2; |
163 | Standard_Real myTol1; |
164 | Standard_Real myTol2; |
165 | Standard_Real myTol; |
166 | Standard_Real myRes1; |
167 | Standard_Real myRes2; |
168 | Standard_Real myResCoeff1; |
169 | Standard_Real myResCoeff2; |
170 | Standard_Real myPTol1; |
171 | Standard_Real myPTol2; |
172 | IntTools_Range myRange1; |
173 | IntTools_Range myRange2; |
174 | Standard_Boolean mySwap; |
175 | Standard_Integer myErrorStatus; |
176 | IntTools_SequenceOfCommonPrts myCommonParts; |
177 | |
178 | |
179 | private: |
180 | |
181 | |
182 | |
183 | |
184 | |
185 | }; |
186 | |
187 | |
188 | #include <IntTools_EdgeEdge.lxx> |
189 | |
190 | |
191 | |
192 | |
193 | |
194 | #endif // _IntTools_EdgeEdge_HeaderFile |