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
|
// File: LocOpe_BuildWires.cxx
// Created: Tue May 27 10:54:27 1997
// Author: Jacques GOUSSARD
// <jag@mobilox.lyon.matra-dtv.fr>
// Modified by skv - Mon May 31 12:58:34 2004 OCC5865
#include <LocOpe_BuildWires.ixx>
#include <BRep_Builder.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Wire.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_MapIteratorOfMapOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopoDS.hxx>
#include <TopExp.hxx>
#include <Standard_ConstructionError.hxx>
static Standard_Integer FindFirstEdge
(const TopTools_IndexedDataMapOfShapeListOfShape&,
const TopTools_MapOfShape&);
//=======================================================================
//function : LocOpe_BuildWires
//purpose :
//=======================================================================
LocOpe_BuildWires::LocOpe_BuildWires () : myDone(Standard_False)
{}
//=======================================================================
//function : LocOpe_BuildWires
//purpose :
//=======================================================================
// Modified by skv - Mon May 31 12:58:27 2004 OCC5865 Begin
LocOpe_BuildWires::LocOpe_BuildWires (const TopTools_ListOfShape& L,
const Handle(LocOpe_ProjectedWires)& PW)
{
Perform(L, PW);
}
// Modified by skv - Mon May 31 12:58:28 2004 OCC5865 End
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
// Modified by skv - Mon May 31 12:59:09 2004 OCC5865 Begin
void LocOpe_BuildWires::Perform(const TopTools_ListOfShape& L,
const Handle(LocOpe_ProjectedWires)& PW)
{
// Modified by skv - Mon May 31 12:59:10 2004 OCC5865 End
myDone = Standard_False;
myRes.Clear();
BRep_Builder B;
TopoDS_Compound C;
B.MakeCompound(C);
TopTools_MapOfShape theMap;
TopTools_ListIteratorOfListOfShape itl(L);
for (; itl.More(); itl.Next()) {
const TopoDS_Shape& edg = itl.Value();
if (theMap.Add(edg) && edg.ShapeType() == TopAbs_EDGE) {
B.Add(C,edg.Oriented(TopAbs_FORWARD)); // orientation importante pour
// appel a TopExp::Vertices
}
}
TopTools_IndexedDataMapOfShapeListOfShape theMapVE;
TopExp::MapShapesAndAncestors(C,TopAbs_VERTEX,TopAbs_EDGE,theMapVE);
TopTools_MapOfShape Bords;
// for (Standard_Integer i = 1; i <= theMapVE.Extent(); i++) {
Standard_Integer i ;
for ( i = 1; i <= theMapVE.Extent(); i++) {
// Modified by skv - Mon May 31 13:07:50 2004 OCC5865 Begin
// if (theMapVE(i).Extent() == 1) {
TopoDS_Vertex vtx = TopoDS::Vertex(theMapVE.FindKey(i));
TopoDS_Edge etmp;
Standard_Real partmp;
if (theMapVE(i).Extent() == 1 || PW->OnEdge(vtx, etmp, partmp)) {
Bords.Add(vtx);
// Modified by skv - Mon May 31 13:07:50 2004 OCC5865 End
}
}
while ((i=FindFirstEdge(theMapVE,Bords)) <= theMapVE.Extent()) {
TopTools_IndexedMapOfShape mapE;
TopTools_MapOfShape mapV;
const TopoDS_Edge& edgf = TopoDS::Edge(theMapVE(i).First());
TopoDS_Vertex VF,VL;
TopExp::Vertices(edgf,VF,VL);
if (Bords.Contains(VL) && !Bords.Contains(VF)) {
mapE.Add(edgf.Oriented(TopAbs_REVERSED));
TopoDS_Vertex temp = VF;
VF = VL;
VL = temp;
}
else {
mapE.Add(edgf.Oriented(TopAbs_FORWARD));
}
mapV.Add(VF);
while (!(mapV.Contains(VL) || Bords.Contains(VL))) {
Standard_Integer ind = theMapVE.FindIndex(VL);
TopTools_ListIteratorOfListOfShape itl(theMapVE(ind));
for (; itl.More(); itl.Next()) {
if (!mapE.Contains(itl.Value())) {
break;
}
}
if (!itl.More()) {
Standard_ConstructionError::Raise();
}
const TopoDS_Edge& theEdge = TopoDS::Edge(itl.Value());
TopoDS_Vertex Vf,Vl;
TopExp::Vertices(theEdge,Vf,Vl);
mapV.Add(VL);
if (Vf.IsSame(VL)) {
mapE.Add(theEdge.Oriented(TopAbs_FORWARD));
VL = Vl;
}
else { // on doit avoir Vl == VL
mapE.Add(theEdge.Oriented(TopAbs_REVERSED));
VL = Vf;
}
}
TopoDS_Wire newWire;
B.MakeWire(newWire);
if (mapV.Contains(VL)) { // on sort avec une boucle a recreer
TopoDS_Vertex Vf;
// for (Standard_Integer j = 1; j<= mapE.Extent(); j++) {
Standard_Integer j ;
for ( j = 1; j<= mapE.Extent(); j++) {
const TopoDS_Edge& edg = TopoDS::Edge(mapE(j));
if (edg.Orientation() == TopAbs_FORWARD) {
Vf = TopExp::FirstVertex(edg);
}
else {
Vf = TopExp::LastVertex(edg);
}
if (Vf.IsSame(VL)) {
break;
}
mapV.Remove(Vf);
}
for (; j<= mapE.Extent(); j++) {
B.Add(newWire,mapE(j));
}
newWire.Closed(Standard_True);
}
else { // on sort sur un bord : wire ouvert...
mapV.Add(VL);
for (Standard_Integer j = 1; j <= mapE.Extent(); j++) {
B.Add(newWire,mapE(j));
}
newWire.Closed(Standard_False);
}
myRes.Append(newWire);
TopTools_MapIteratorOfMapOfShape itm;
for (itm.Initialize(mapV);
itm.More();itm.Next()) {
const TopoDS_Vertex& vtx = TopoDS::Vertex(itm.Key());
Bords.Add(vtx);
Standard_Integer ind = theMapVE.FindIndex(vtx);
itl.Initialize(theMapVE(ind));
while (itl.More()) {
if (mapE.Contains(itl.Value())) {
theMapVE(ind).Remove(itl);
}
else {
itl.Next();
}
}
}
}
myDone = Standard_True;
}
//=======================================================================
//function : IsDone
//purpose :
//=======================================================================
Standard_Boolean LocOpe_BuildWires::IsDone() const
{
return myDone;
}
//=======================================================================
//function : Result
//purpose :
//=======================================================================
const TopTools_ListOfShape& LocOpe_BuildWires::Result () const
{
if (!myDone) {
StdFail_NotDone::Raise();
}
return myRes;
}
//=======================================================================
//function : FindFirstEdge
//purpose :
//=======================================================================
static Standard_Integer FindFirstEdge
(const TopTools_IndexedDataMapOfShapeListOfShape& theMapVE,
const TopTools_MapOfShape& theBord)
{
Standard_Integer i = 1;
for (; i<=theMapVE.Extent(); i++) {
if (theMapVE(i).Extent() >0) {
break;
}
}
if (i>theMapVE.Extent()) {
return i;
}
Standard_Integer goodi = i;
for (; i <= theMapVE.Extent(); i++) {
const TopoDS_Shape& vtx = theMapVE.FindKey(i);
if (theMapVE(i).Extent() >0 && theBord.Contains(vtx)) {
goodi = i;
break;
}
}
return goodi;
}
|
