0026586: Eliminate compile warnings obtained by building occt with vc14: declaration...
[occt.git] / src / BRepToIGES / BRepToIGES_BRShell.cxx
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b311480e 1// Created on: 1995-01-30
2// Created by: Marie Jose MARTZ
3// Copyright (c) 1995-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
d5f74e42 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
973c2be1 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.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
b311480e 16
7fd59977 17//:n3 abv 8 Feb 99: PRO17820: BRepTools::OuterWire() -> ShapeAnalysis::OuterWire
18//szv#4 S4163
19
2157cfd0 20#include <BRep_Builder.hxx>
7fd59977 21#include <BRep_Tool.hxx>
42cf5bc1 22#include <BRepToIGES_BREntity.hxx>
23#include <BRepToIGES_BRShell.hxx>
24#include <BRepToIGES_BRWire.hxx>
7fd59977 25#include <BRepTools.hxx>
42cf5bc1 26#include <Geom2d_Curve.hxx>
7fd59977 27#include <Geom_ConicalSurface.hxx>
28#include <Geom_CylindricalSurface.hxx>
29#include <Geom_RectangularTrimmedSurface.hxx>
30#include <Geom_SphericalSurface.hxx>
31#include <Geom_Surface.hxx>
32#include <Geom_SurfaceOfRevolution.hxx>
33#include <Geom_ToroidalSurface.hxx>
7fd59977 34#include <GeomToIGES_GeomSurface.hxx>
42cf5bc1 35#include <gp.hxx>
36#include <gp_Trsf.hxx>
7fd59977 37#include <IGESBasic_Group.hxx>
38#include <IGESData_HArray1OfIGESEntity.hxx>
39#include <IGESData_IGESEntity.hxx>
7fd59977 40#include <IGESGeom_CurveOnSurface.hxx>
41#include <IGESGeom_HArray1OfCurveOnSurface.hxx>
7fd59977 42#include <IGESGeom_SurfaceOfRevolution.hxx>
42cf5bc1 43#include <IGESGeom_TrimmedSurface.hxx>
7fd59977 44#include <Interface_Macros.hxx>
42cf5bc1 45#include <Message_ProgressIndicator.hxx>
2157cfd0 46#include <NCollection_IncAllocator.hxx>
42cf5bc1 47#include <NCollection_Map.hxx>
48#include <ShapeAlgo.hxx>
49#include <ShapeAlgo_AlgoContainer.hxx>
7fd59977 50#include <TColStd_HSequenceOfTransient.hxx>
42cf5bc1 51#include <TopAbs_ShapeEnum.hxx>
52#include <TopExp.hxx>
53#include <TopExp_Explorer.hxx>
7fd59977 54#include <TopLoc_Location.hxx>
7fd59977 55#include <TopoDS.hxx>
7fd59977 56#include <TopoDS_Edge.hxx>
57#include <TopoDS_Face.hxx>
42cf5bc1 58#include <TopoDS_Shape.hxx>
7fd59977 59#include <TopoDS_Shell.hxx>
42cf5bc1 60#include <TopoDS_Vertex.hxx>
7fd59977 61#include <TopoDS_Wire.hxx>
42cf5bc1 62#include <TopTools_ShapeMapHasher.hxx>
7fd59977 63#include <Transfer_FinderProcess.hxx>
64
65//=============================================================================
66// BRepToIGES_BRShell
67//=============================================================================
7fd59977 68BRepToIGES_BRShell::BRepToIGES_BRShell()
69{
70}
71
72
73//=============================================================================
74// BRepToIGES_BRShell
75//=============================================================================
76
77BRepToIGES_BRShell::BRepToIGES_BRShell
78(const BRepToIGES_BREntity& BR)
79: BRepToIGES_BREntity(BR)
80{
81}
82
83
84//=============================================================================
85// TransferShell
86//=============================================================================
87
88Handle(IGESData_IGESEntity) BRepToIGES_BRShell ::TransferShell(const TopoDS_Shape& start)
89{
90 Handle(IGESData_IGESEntity) res;
91
92 if (start.IsNull()) return res;
93
94 if (start.ShapeType() == TopAbs_FACE) {
95 TopoDS_Face F = TopoDS::Face(start);
96 res = TransferFace(F);
97 }
98 else if (start.ShapeType() == TopAbs_SHELL) {
99 TopoDS_Shell S = TopoDS::Shell(start);
100 res = TransferShell(S);
101 }
102 else {
103 // message d`erreur
104 }
105 return res;
106}
107
108
109//=============================================================================
110// TransferFace
111//
112//=============================================================================
113
114Handle(IGESData_IGESEntity) BRepToIGES_BRShell ::TransferFace(const TopoDS_Face& start)
115{
116 Handle(IGESData_IGESEntity) res;
117
118 Handle(Message_ProgressIndicator) progress = GetTransferProcess()->GetProgress();
119 if ( ! progress.IsNull() ) {
120 if ( progress->UserBreak() ) return res;
121 progress->Increment();
122 }
123
124 if ( start.IsNull()) {
125 return res;
126 }
2157cfd0 127
128 // pour explorer la face , il faut la mettre fORWARD.
129 TopoDS_Face myface;
130 if (start.Orientation() == TopAbs_REVERSED) {
131 //create face with redirected surface
132 BRep_Builder B;
133 TopLoc_Location aLoc;
134 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(start, aLoc);
135 aSurf = aSurf->UReversed();
136 Standard_Real U1, U2, V1, V2;
137 aSurf->Bounds(U1, U2, V1, V2);
138 Standard_Real aTol = BRep_Tool::Tolerance(start);
139 B.MakeFace(myface, aSurf, aLoc ,aTol);
140 // set specifics flags of a Face
141 B.NaturalRestriction(myface, BRep_Tool::NaturalRestriction(start));
142 //add wires
143 TopoDS_Wire anOuter = TopoDS::Wire(ShapeAlgo::AlgoContainer()->OuterWire(start));
144 TopExp_Explorer ex;
145 for (ex.Init(start,TopAbs_WIRE); ex.More(); ex.Next()) {
146 TopoDS_Wire W = TopoDS::Wire(ex.Current());
147 if (!W.IsNull() && W.IsSame(anOuter)) {
148 B.Add(myface, W);
149 break;
150 }
151 }
152 for (ex.Init(start,TopAbs_WIRE); ex.More(); ex.Next()) {
153 TopoDS_Wire W = TopoDS::Wire(ex.Current());
154 if (!W.IsNull() && !W.IsSame(anOuter)) {
155 B.Add(myface, W);
156 }
157 }
158 // mirror pcurves
159 NCollection_Map<TopoDS_Shape, TopTools_ShapeMapHasher> aMap (101, new NCollection_IncAllocator);
160 for (ex.Init(myface,TopAbs_EDGE);ex.More(); ex.Next()) {
161 TopoDS_Edge anEdge = TopoDS::Edge(ex.Current());
162 if (!aMap.Add(anEdge))
163 // seam edge has been already updated
164 continue;
165 Standard_Real f, l;
166 Handle(Geom2d_Curve) aCurve1, aCurve2;
167 aCurve1 = BRep_Tool::CurveOnSurface(anEdge, start, f, l);
168 aTol = BRep_Tool::Tolerance(anEdge);
169 gp_Trsf2d T;
170 gp_Ax2d axis(gp_Pnt2d(0.5 * (U1 + U2), V1), gp_Dir2d(0.,1.));
171 T.SetMirror(axis);
172 if (!aCurve1.IsNull()) {
173 aCurve1 = Handle(Geom2d_Curve)::DownCast(aCurve1->Transformed(T));
174 if (BRepTools::IsReallyClosed(anEdge, start)) {
175 TopoDS_Edge revEdge = TopoDS::Edge(anEdge.Reversed());
176 aCurve2 = BRep_Tool::CurveOnSurface(revEdge, start, f, l);
177 if (!aCurve2.IsNull()) {
178 aCurve2 = Handle(Geom2d_Curve)::DownCast(aCurve2->Transformed(T));
179 B.UpdateEdge(anEdge, aCurve1, aCurve2, myface, aTol);
180 }
181 else {
182 B.UpdateEdge(anEdge, aCurve1, myface, aTol);
183 }
184 }
185 else {
186 B.UpdateEdge(anEdge, aCurve1, myface, aTol);
187 }
188 }
189 }
190 }
191 else {
192 myface = start;
193 }
194
7fd59977 195 //Standard_Integer Nb = 0; //szv#4:S4163:12Mar99 unused
196 Standard_Real Length = 1.;
197 Handle(IGESData_IGESEntity) ISurf;
198
199 // returns the face surface
200 // ------------------------
201
2157cfd0 202 Handle(Geom_Surface) Surf = BRep_Tool::Surface(myface);
7fd59977 203 Handle(Geom_Surface) Surf1;
204
205 if (!Surf.IsNull()) {
206 Standard_Real U1, U2, V1, V2;
207 // pour limiter les surfaces de base
2157cfd0 208 BRepTools::UVBounds(myface, U1, U2, V1, V2);
7fd59977 209 GeomToIGES_GeomSurface GS;
210 GS.SetModel(GetModel());
211 ISurf = GS.TransferSurface(Surf, U1, U2, V1, V2);
212 if (ISurf.IsNull()) {
213 AddWarning (start, "the basic surface is a null entity");
214 return res;
215 }
216 Length = GS.Length();
217
218 // modif mjm du 17/07/97
219 if (Surf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
220 DeclareAndCast(Geom_RectangularTrimmedSurface, rectang, Surf);
221 Surf1 = rectang->BasisSurface();
222 }
223 else
224 Surf1 = Surf;
225 }
226
227
228 // returns the wires of the face
229 // -----------------------------
230
231 BRepToIGES_BRWire BW(*this);
232 Standard_Integer Imode = 0;
233 Standard_Integer Iprefer = 0;
234 Handle(IGESData_IGESEntity) ICurve2d;
7fd59977 235
236 // outer wire
2157cfd0 237 //:n3 TopoDS_Wire Outer = BRepTools::OuterWire(myface);
7fd59977 238 TopoDS_Wire Outer = ShapeAlgo::AlgoContainer()->OuterWire(myface); //:n3
239 Handle(IGESGeom_CurveOnSurface) IOuter = new IGESGeom_CurveOnSurface;
240 if (!Outer.IsNull()) {
241 Handle(IGESData_IGESEntity) ICurve3d =
242 BW.TransferWire(Outer, myface, ICurve2d, Length);
243 if ((!ICurve3d.IsNull()) && (!ICurve2d.IsNull())) Iprefer = 3;
244 if ((!ICurve3d.IsNull()) && (ICurve2d.IsNull())) Iprefer = 2;
245 if ((ICurve3d.IsNull()) && (!ICurve2d.IsNull())) Iprefer = 1;
246 IOuter -> Init (Imode, ISurf, ICurve2d, ICurve3d, Iprefer);
247 }
248
249 // inners wires
250 TopExp_Explorer Ex;
251 Handle(TColStd_HSequenceOfTransient) Seq = new TColStd_HSequenceOfTransient();
252
253 for (Ex.Init(myface,TopAbs_WIRE); Ex.More(); Ex.Next()) {
254 TopoDS_Wire W = TopoDS::Wire(Ex.Current());
255 Handle(IGESGeom_CurveOnSurface) Curve = new IGESGeom_CurveOnSurface;
256 if (W.IsNull()) {
257 AddWarning(start," an Wire is a null entity");
258 }
259 else if (!W.IsSame(Outer)) {
260 Handle(IGESData_IGESEntity) ICurve3d =
2157cfd0 261 BW.TransferWire(W, myface, ICurve2d, Length);
7fd59977 262 if ((!ICurve3d.IsNull()) && (!ICurve2d.IsNull())) Iprefer = 3;
263 if ((!ICurve3d.IsNull()) && (ICurve2d.IsNull())) Iprefer = 2;
264 if ((ICurve3d.IsNull()) && (!ICurve2d.IsNull())) Iprefer = 1;
265 Curve-> Init (Imode, ISurf, ICurve2d, ICurve3d, Iprefer);
266 if (!Curve.IsNull()) Seq->Append(Curve);
267 }
268 }
269
270 // all inners edges not in a wire
271 for (Ex.Init(myface,TopAbs_EDGE,TopAbs_WIRE); Ex.More(); Ex.Next()) {
272 TopoDS_Edge E = TopoDS::Edge(Ex.Current());
273 Handle(IGESGeom_CurveOnSurface) Curve = new IGESGeom_CurveOnSurface;
274 if (E.IsNull()) {
275 AddWarning(start," an Edge is a null entity");
276 }
277 else {
278 Handle(IGESData_IGESEntity) ICurve3d = BW.TransferEdge(E, Standard_False);
279 Handle(IGESData_IGESEntity) newICurve2d = BW.TransferEdge(E, myface, Length, Standard_False);
280 if ((!ICurve3d.IsNull()) && (!newICurve2d.IsNull())) Iprefer = 3;
281 if ((!ICurve3d.IsNull()) && (newICurve2d.IsNull())) Iprefer = 2;
282 if ((ICurve3d.IsNull()) && (!newICurve2d.IsNull())) Iprefer = 1;
283 Curve-> Init (Imode, ISurf, newICurve2d, ICurve3d, Iprefer);
284 if (!Curve.IsNull()) Seq->Append(Curve);
285 }
286 }
287
288
289 Standard_Integer nbent = Seq->Length();
290 Handle(IGESGeom_HArray1OfCurveOnSurface) Tab;
291 if (nbent >=1) {
292 Tab = new IGESGeom_HArray1OfCurveOnSurface(1,nbent);
293 for (Standard_Integer itab = 1; itab <= nbent; itab++) {
294 Handle(IGESGeom_CurveOnSurface) item = GetCasted(IGESGeom_CurveOnSurface, Seq->Value(itab));
295 Tab->SetValue(itab,item);
296 }
297 }
298
299 // returns the TrimmedSurface
300 // --------------------------
7fd59977 301 Handle(IGESGeom_TrimmedSurface) TrimmedSurf = new IGESGeom_TrimmedSurface;
fdabc211 302 if (BRep_Tool::NaturalRestriction(start)) {
303 //if face bounds and surface bounds are same, outer wire is unnecessary
51740958 304 TrimmedSurf-> Init (ISurf, Standard_False, NULL, Tab);
fdabc211 305 }
306 else
51740958 307 TrimmedSurf-> Init (ISurf, Standard_True, IOuter, Tab);
7fd59977 308
309 res = TrimmedSurf;
7fd59977 310 SetShapeResult ( start, res );
7fd59977 311 return res;
312}
313
314
315//=============================================================================
316// TransferShell
317//=============================================================================
318
319Handle(IGESData_IGESEntity) BRepToIGES_BRShell::TransferShell(const TopoDS_Shell& start)
320{
321 Handle(IGESData_IGESEntity) res;
322 if ( start.IsNull()) return res;
323
324 TopExp_Explorer Ex;
325 Handle(IGESBasic_Group) IGroup = new IGESBasic_Group;
326 Handle(TColStd_HSequenceOfTransient) Seq = new TColStd_HSequenceOfTransient();
327 Handle(IGESData_IGESEntity) IFace;
328
329 for (Ex.Init(start,TopAbs_FACE); Ex.More(); Ex.Next()) {
330 TopoDS_Face F = TopoDS::Face(Ex.Current());
331 if (F.IsNull()) {
332 AddWarning(start," a Face is a null entity");
333 }
334 else {
335 IFace = TransferFace(F);
336 if (!IFace.IsNull()) Seq->Append(IFace);
337 }
338 }
339
340
341 Standard_Integer nbfaces = Seq->Length();
342 Handle(IGESData_HArray1OfIGESEntity) Tab;
343 if ( nbfaces >= 1) {
344 Tab = new IGESData_HArray1OfIGESEntity(1,nbfaces);
345 for (Standard_Integer itab = 1; itab <= nbfaces; itab++) {
346 Handle(IGESData_IGESEntity) item = GetCasted(IGESData_IGESEntity, Seq->Value(itab));
347 Tab->SetValue(itab,item);
348 }
349 }
350
351 if (nbfaces == 1) {
352 res = IFace;
353 }
354 else {
355 IGroup->Init(Tab);
356 res = IGroup;
357 }
358
359 SetShapeResult ( start, res );
360
361 return res;
362}
363
364
365
366