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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 |
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50 | IntTools_EdgeEdge(); |
51 | |
52 | //! Destructor |
53 | ~IntTools_EdgeEdge(); |
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54 | |
55 | //! Contructor |
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56 | IntTools_EdgeEdge(const TopoDS_Edge& theEdge1, const TopoDS_Edge& theEdge2); |
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57 | |
58 | |
59 | //! Contructor |
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60 | IntTools_EdgeEdge(const TopoDS_Edge& theEdge1, const Standard_Real aT11, |
61 | const Standard_Real aT12, const TopoDS_Edge& theEdge2, |
62 | const Standard_Real aT21, const Standard_Real aT22); |
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63 | |
64 | |
65 | //! Sets the first edge |
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66 | void SetEdge1(const TopoDS_Edge& theEdge); |
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67 | |
68 | |
69 | //! Sets the first edge and its range |
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70 | void SetEdge1(const TopoDS_Edge& theEdge, const Standard_Real aT1, const Standard_Real aT2); |
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71 | |
72 | |
73 | //! Sets the range for the first edge |
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74 | void SetRange1(const IntTools_Range& theRange1); |
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75 | |
76 | |
77 | //! Sets the range for the first edge |
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78 | void SetRange1(const Standard_Real aT1, const Standard_Real aT2); |
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79 | |
80 | |
81 | //! Sets the second edge |
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82 | void SetEdge2(const TopoDS_Edge& theEdge); |
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83 | |
84 | |
85 | //! Sets the first edge and its range |
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86 | void SetEdge2(const TopoDS_Edge& theEdge, const Standard_Real aT1, const Standard_Real aT2); |
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87 | |
88 | |
89 | //! Sets the range for the second edge |
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90 | void SetRange2(const IntTools_Range& theRange); |
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91 | |
92 | |
93 | //! Sets the range for the second edge |
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94 | void SetRange2(const Standard_Real aT1, const Standard_Real aT2); |
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95 | |
96 | |
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97 | //! Sets the Fuzzy value |
98 | void SetFuzzyValue (const Standard_Real theFuzz); |
99 | |
100 | |
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101 | //! Performs the intersection between edges |
102 | Standard_EXPORT void Perform(); |
103 | |
104 | |
105 | //! Returns TRUE if common part(s) is(are) found |
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106 | Standard_Boolean IsDone() const; |
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107 | |
108 | |
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109 | //! Returns Fuzzy value |
110 | Standard_Real FuzzyValue() const; |
111 | |
112 | |
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113 | //! Returns common parts |
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114 | const IntTools_SequenceOfCommonPrts& CommonParts() const; |
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115 | |
116 | |
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117 | //! Sets the flag myQuickCoincidenceCheck |
118 | void UseQuickCoincidenceCheck (const Standard_Boolean bFlag) { |
119 | myQuickCoincidenceCheck=bFlag; |
120 | } |
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121 | |
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122 | //! Returns the flag myQuickCoincidenceCheck |
123 | Standard_Boolean IsCoincidenceCheckedQuickly () { |
124 | return myQuickCoincidenceCheck; |
125 | } |
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126 | |
127 | protected: |
128 | |
129 | |
130 | |
131 | //! Checks the data |
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132 | void CheckData(); |
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133 | |
134 | |
135 | //! Prepares the data |
136 | Standard_EXPORT void Prepare(); |
137 | |
138 | |
139 | //! Computes Line/Line intersection. |
140 | Standard_EXPORT void ComputeLineLine(); |
141 | |
142 | |
143 | //! Intermediate function |
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144 | Standard_EXPORT void FindSolutions (IntTools_SequenceOfRanges& theRanges1, |
145 | IntTools_SequenceOfRanges& theRanges2, Standard_Boolean& bSplit2); |
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146 | |
147 | |
148 | //! Looking for the exact intersection ranges |
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149 | Standard_EXPORT void FindSolutions (const IntTools_Range& theR1, |
150 | const IntTools_Range& theR2, const Bnd_Box& theBox2, |
151 | IntTools_SequenceOfRanges& theRanges1, IntTools_SequenceOfRanges& theRanges2); |
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152 | |
153 | |
154 | //! Merges found solutions |
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155 | Standard_EXPORT void MergeSolutions (const IntTools_SequenceOfRanges& theRanges1, |
156 | const IntTools_SequenceOfRanges& theRanges2, const Standard_Boolean bSplit2); |
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157 | |
158 | |
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159 | //! Looking for the range of the edge which is in the box |
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160 | Standard_EXPORT static Standard_Boolean FindParameters(const BRepAdaptor_Curve& theBAC, |
161 | const Standard_Real aT1, const Standard_Real aT2, const Standard_Real theTol, |
162 | const Standard_Real theRes, const Standard_Real thePTol, |
163 | const Standard_Real theResCoeff, const Bnd_Box& theCBox, |
164 | Standard_Real& aTB1, Standard_Real& aTB2); |
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165 | |
166 | |
167 | //! Checks if edges coincide on the ranges |
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168 | Standard_EXPORT Standard_Integer CheckCoincidence (const Standard_Real aT11, |
169 | const Standard_Real aT12, const Standard_Real aT21, const Standard_Real aT22, |
170 | const Standard_Real theCriteria, const Standard_Real theCurveRes1); |
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171 | |
172 | |
173 | //! Adds common part of the given type to myCommonParts |
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174 | Standard_EXPORT void AddSolution (const Standard_Real aT11, const Standard_Real aT12, |
175 | const Standard_Real aT21, const Standard_Real aT22, const TopAbs_ShapeEnum theType); |
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176 | |
177 | |
178 | //! Looking for the minimal distance between edges on the ranges |
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179 | Standard_EXPORT void FindBestSolution (const Standard_Real aT11, const Standard_Real aT12, |
180 | const Standard_Real aT21, const Standard_Real aT22, |
181 | Standard_Real& aT1, Standard_Real& aT2); |
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182 | |
183 | |
184 | //! Checks is there an intersection between edges on the given ranges |
185 | //! (for nearly conicident edges) |
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186 | Standard_EXPORT Standard_Boolean IsIntersection (const Standard_Real aT11, |
187 | const Standard_Real aT12, const Standard_Real aT21, const Standard_Real aT22); |
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188 | |
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189 | //! Checks if the edges are coincident really. |
190 | Standard_EXPORT Standard_Boolean IsCoincident(); |
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191 | |
192 | TopoDS_Edge myEdge1; |
193 | TopoDS_Edge myEdge2; |
194 | Handle(Geom_Curve) myGeom1; |
195 | Handle(Geom_Curve) myGeom2; |
196 | BRepAdaptor_Curve myCurve1; |
197 | BRepAdaptor_Curve myCurve2; |
198 | Standard_Real myTol1; |
199 | Standard_Real myTol2; |
200 | Standard_Real myTol; |
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201 | Standard_Real myFuzzyValue; |
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202 | Standard_Real myRes1; |
203 | Standard_Real myRes2; |
204 | Standard_Real myResCoeff1; |
205 | Standard_Real myResCoeff2; |
206 | Standard_Real myPTol1; |
207 | Standard_Real myPTol2; |
208 | IntTools_Range myRange1; |
209 | IntTools_Range myRange2; |
210 | Standard_Boolean mySwap; |
211 | Standard_Integer myErrorStatus; |
212 | IntTools_SequenceOfCommonPrts myCommonParts; |
213 | |
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214 | //! Allows avoiding use Edge-Edge intersection |
215 | //! algorithm (i.e. speeding up the Boolean algorithm) |
216 | //! if the edges are coincided really. |
217 | //! If it is not evidently set of this flag should |
218 | //! be avoided (otherwise, the performance of |
219 | //! Boolean algorithm will be slower). |
220 | Standard_Boolean myQuickCoincidenceCheck; |
221 | |
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222 | private: |
223 | |
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224 | }; |
225 | |
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226 | #include <IntTools_EdgeEdge.lxx> |
227 | |
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228 | #endif // _IntTools_EdgeEdge_HeaderFile |