1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
|
// File: BOP_Section.cxx
// Created: Fri May 18 09:23:28 2001
// Author: Peter KURNEV
// <pkv@irinox>
#include <BOP_Section.ixx>
#include <BooleanOperations_ShapesDataStructure.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Compound.hxx>
#include <BRep_Builder.hxx>
#include <BOPTools_SSInterference.hxx>
#include <BOPTools_ListOfPaveBlock.hxx>
#include <BOPTools_ListIteratorOfListOfPaveBlock.hxx>
#include <BOPTools_PaveBlock.hxx>
#include <BOPTools_SequenceOfCurves.hxx>
#include <BOPTools_Curve.hxx>
#include <BOPTools_InterferencePool.hxx>
#include <BOPTools_CArray1OfSSInterference.hxx>
//
#include <BOPTools_PaveFiller.hxx>
#include <BOPTools_SSIntersectionAttribute.hxx>
#include <BOPTools_Tools2D.hxx>
#include <BRep_Tool.hxx>
#include <Geom_Curve.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS.hxx>
#include <BOP_CorrectTolerances.hxx>
#include <BOPTColStd_Dump.hxx>
#include <BOP_SectionHistoryCollector.hxx>
#include <Standard_Failure.hxx>
#include <Standard_ErrorHandler.hxx>
//
//
//=======================================================================
// function: BOP_Section::BOP_Section
// purpose:
//=======================================================================
BOP_Section::BOP_Section()
{
SetOperation (BOP_SECTION);
}
//=======================================================================
// function: Destroy
// purpose:
//=======================================================================
void BOP_Section::Destroy() {}
//=======================================================================
// function: Do
// purpose:
//=======================================================================
void BOP_Section::Do()
{
myErrorStatus=0;
myIsDone=Standard_False;
TopAbs_ShapeEnum aT1, aT2;
aT1=myShape1.ShapeType();
aT2=myShape2.ShapeType();
BOP_Builder::SortTypes (aT1, aT2);
//
// Filling the DS
BOPTools_DSFiller aDSFiller;
aDSFiller.SetShapes (myShape1, myShape2);
aDSFiller.Perform ();
DoWithFiller(aDSFiller);
}
//
//=======================================================================
// function: Do
// purpose:
//=======================================================================
void BOP_Section::Do(const Standard_Boolean toApprox,
const Standard_Boolean toComputePCurve1,
const Standard_Boolean toComputePCurve2)
{
myErrorStatus=0;
myIsDone=Standard_False;
TopAbs_ShapeEnum aT1, aT2;
aT1=myShape1.ShapeType();
aT2=myShape2.ShapeType();
BOP_Builder::SortTypes (aT1, aT2);
//
// Filling the DS
BOPTools_DSFiller aDSFiller;
aDSFiller.SetShapes (myShape1, myShape2);
BOPTools_SSIntersectionAttribute aSectionAttribute(toApprox,
toComputePCurve1,
toComputePCurve2);
aDSFiller.Perform (aSectionAttribute);
DoWithFiller(aDSFiller);
}
//
//=======================================================================
// function: DoDoWithFiller
// purpose:
//=======================================================================
void BOP_Section::DoWithFiller(const BOPTools_DSFiller& aDSFiller)
{
myErrorStatus=0;
myIsDone=Standard_False;
//
myResultMap.Clear();
myModifiedMap.Clear();
myDSFiller=(BOPTools_DSFiller*) &aDSFiller;
//
try {
OCC_CATCH_SIGNALS
Standard_Boolean addPCurve1 = aDSFiller.PaveFiller().SectionAttribute().PCurveOnS1();
Standard_Boolean addPCurve2 = aDSFiller.PaveFiller().SectionAttribute().PCurveOnS2();
Standard_Integer i, j, nF1, nF2, aNbFFs, aNbS, aNbCurves, nSect;
const BooleanOperations_ShapesDataStructure& aDS=aDSFiller.DS();
const BOPTools_InterferencePool& anInterfPool=aDSFiller.InterfPool();
BOPTools_InterferencePool* pInterfPool=
(BOPTools_InterferencePool*) &anInterfPool;
BOPTools_CArray1OfSSInterference& aFFs=
pInterfPool->SSInterferences();
//
TopTools_IndexedMapOfShape aMap;
//
aNbFFs=aFFs.Extent();
for (i=1; i<=aNbFFs; ++i) {
BOPTools_SSInterference& aFFi=aFFs(i);
//
nF1=aFFi.Index1();
nF2=aFFi.Index2();
TopoDS_Face aF1FWD = TopoDS::Face(aDSFiller.DS().Shape(nF1));
aF1FWD.Orientation(TopAbs_FORWARD);
TopoDS_Face aF2FWD = TopoDS::Face(aDSFiller.DS().Shape(nF2));
aF2FWD.Orientation(TopAbs_FORWARD);
//
// Old Section Edges
const BOPTools_ListOfPaveBlock& aSectList=aFFi.PaveBlocks();
aNbS=aSectList.Extent();
BOPTools_ListIteratorOfListOfPaveBlock anIt(aSectList);
for (; anIt.More();anIt.Next()) {
const BOPTools_PaveBlock& aPB=anIt.Value();
nSect=aPB.Edge();
const TopoDS_Shape& aS=aDS.GetShape(nSect);
const TopoDS_Edge& aE = TopoDS::Edge(aS);
if(addPCurve1) {
BOPTools_Tools2D::BuildPCurveForEdgeOnFace(aE, aF1FWD);
}
if(addPCurve2) {
BOPTools_Tools2D::BuildPCurveForEdgeOnFace(aE, aF2FWD);
}
aMap.Add(aS);
}
//
// New Section Edges
BOPTools_SequenceOfCurves& aBCurves=aFFi.Curves();
aNbCurves=aBCurves.Length();
for (j=1; j<=aNbCurves; j++) {
BOPTools_Curve& aBC=aBCurves(j);
const BOPTools_ListOfPaveBlock& aSectEdges=aBC.NewPaveBlocks();
aNbS=aSectEdges.Extent();
BOPTools_ListIteratorOfListOfPaveBlock aPBIt(aSectEdges);
for (; aPBIt.More(); aPBIt.Next()) {
BOPTools_PaveBlock& aPB=aPBIt.Value();
nSect=aPB.Edge();
const TopoDS_Shape& aS=aDS.GetShape(nSect);
if(addPCurve1 || addPCurve2) {
const IntTools_Curve& aIC = aBC.Curve();
const TopoDS_Edge& aE = TopoDS::Edge(aS);
Standard_Real f, l;
const Handle(Geom_Curve)& aC3DE = BRep_Tool::Curve(aE, f, l);
Handle(Geom_TrimmedCurve) aC3DETrim;
if(!aC3DE.IsNull()) {
aC3DETrim = new Geom_TrimmedCurve(aC3DE, f, l);
}
BRep_Builder aBB;
Standard_Real aTolEdge = BRep_Tool::Tolerance(aE);
Standard_Real aTolR2D = aFFi.TolR2D();
Standard_Real aTolFact = Max(aTolEdge, aTolR2D);
if(addPCurve1 && !BOPTools_Tools2D::HasCurveOnSurface(aE, aF1FWD)) {
Handle(Geom2d_Curve) aC2d = aIC.FirstCurve2d();
if(!aC3DETrim.IsNull()) {
Handle(Geom2d_Curve) aC2dNew;
if(aC3DE->IsPeriodic()) {
BOPTools_Tools2D::AdjustPCurveOnFace(aF1FWD, f, l, aC2d, aC2dNew);
}
else {
BOPTools_Tools2D::AdjustPCurveOnFace(aF1FWD, aC3DETrim, aC2d, aC2dNew);
}
aC2d = aC2dNew;
}
aBB.UpdateEdge(aE, aC2d, aF1FWD, aTolFact);
}
if(addPCurve2 && !BOPTools_Tools2D::HasCurveOnSurface(aE, aF2FWD)) {
Handle(Geom2d_Curve) aC2d = aIC.SecondCurve2d();
if(!aC3DETrim.IsNull()) {
Handle(Geom2d_Curve) aC2dNew;
if(aC3DE->IsPeriodic()) {
BOPTools_Tools2D::AdjustPCurveOnFace(aF2FWD, f, l, aC2d, aC2dNew);
}
else {
BOPTools_Tools2D::AdjustPCurveOnFace(aF2FWD, aC3DETrim, aC2d, aC2dNew);
}
aC2d = aC2dNew;
}
aBB.UpdateEdge(aE, aC2d, aF2FWD, aTolFact);
}
}
aMap.Add(aS);
}
}
}
//
BRep_Builder BB;
TopoDS_Compound aCompound;
BB.MakeCompound(aCompound);
aNbS=aMap.Extent();
for (i=1; i<=aNbS; i++) {
const TopoDS_Shape& aS=aMap(i);
BB.Add(aCompound, aS);
mySectionEdges.Append(aS);
}
myResult=aCompound;
BOP_CorrectTolerances::CorrectTolerances(myResult, 0.01);
//
if (!myErrorStatus) {
FillModified();
if(!myHistory.IsNull()) {
Handle(BOP_SectionHistoryCollector) aHistory =
Handle(BOP_SectionHistoryCollector)::DownCast(myHistory);
aHistory->SetResult(myResult, myDSFiller);
}
myIsDone=Standard_True;
}
}
catch ( Standard_Failure ) {
myErrorStatus = 1;
BOPTColStd_Dump::PrintMessage("Can not build result\n");
}
}
//=======================================================================
// function: SetHistoryCollector
// purpose:
//=======================================================================
void BOP_Section::SetHistoryCollector(const Handle(BOP_HistoryCollector)& theHistory)
{
if(theHistory.IsNull() ||
!theHistory->IsKind(STANDARD_TYPE(BOP_SectionHistoryCollector)))
myHistory.Nullify();
else
myHistory = theHistory;
}
|
