1 // Created on: 2000-02-05
2 // Created by: data exchange team
3 // Copyright (c) 2000-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 //06.01.99 pdn renaming ShapeFix_Wire::FixLittle to ShapeFix_Wire::FixSmall
17 //:n1 abv 20.01.99: BUC60328.rle (loopback): call FixSmall with Max(1.,preci)
18 //smh #1 11.03.99 PRO15640/15641, szv#2 PRO17393: call FixSameParameter after BuildCurve3d
19 //#74 rln 10.03.99 S4135: handling use of BRepLib::SameParameter by new static parameter
20 // pdn 18.03.99 S4135: using mintol instead of resolution from IGES file
21 // pdn 18.03.99 S4135: projecting with resolution from IGES file.
22 //%14 pdn 06.03.99 implementing fixFace in IGES
23 // S4135 pdn improvements in using of stdsameparameter flag
24 //#21 gka 12.04.99 CSR UKI60998 entities number - 13, 24 lost of boundaries during translation of tabulated cylinders
25 //S4181 pdn 15.04.99 implementing of reading IGES elementary surfaces. (instead of shift, reverce and
26 //scale factors the transformation matrix and scale factor used)
28 #include <BRep_Builder.hxx>
29 #include <BRep_Tool.hxx>
30 #include <Geom2d_Curve.hxx>
31 #include <Geom_Curve.hxx>
32 #include <Geom_Plane.hxx>
33 #include <GeomAdaptor_Curve.hxx>
34 #include <IGESControl_IGESBoundary.hxx>
35 #include <IGESData_IGESEntity.hxx>
36 #include <IGESGeom_BSplineCurve.hxx>
37 #include <IGESToBRep.hxx>
38 #include <IGESToBRep_CurveAndSurface.hxx>
39 #include <IGESToBRep_TopoCurve.hxx>
40 #include <Interface_Static.hxx>
41 #include <Message_Msg.hxx>
42 #include <Precision.hxx>
43 #include <ShapeAlgo.hxx>
44 #include <ShapeAlgo_AlgoContainer.hxx>
45 #include <ShapeAlgo_ToolContainer.hxx>
46 #include <ShapeAnalysis_ShapeTolerance.hxx>
47 #include <ShapeAnalysis_Wire.hxx>
48 #include <ShapeBuild_Edge.hxx>
49 #include <ShapeExtend_WireData.hxx>
50 #include <ShapeFix_Edge.hxx>
51 #include <ShapeFix_ShapeTolerance.hxx>
52 #include <ShapeFix_Wire.hxx>
53 #include <Standard_Type.hxx>
54 #include <TColStd_HSequenceOfTransient.hxx>
55 #include <TopoDS_Edge.hxx>
56 #include <TopoDS_Wire.hxx>
58 IMPLEMENT_STANDARD_RTTIEXT(IGESControl_IGESBoundary,IGESToBRep_IGESBoundary)
60 //=======================================================================
61 //function : IGESControl_IGESBoundary
63 //=======================================================================
64 IGESControl_IGESBoundary::IGESControl_IGESBoundary() : IGESToBRep_IGESBoundary()
68 //=======================================================================
69 //function : IGESControl_IGESBoundary
71 //=======================================================================
73 IGESControl_IGESBoundary::IGESControl_IGESBoundary(const IGESToBRep_CurveAndSurface& CS) :
74 IGESToBRep_IGESBoundary (CS)
78 //=======================================================================
81 //=======================================================================
83 void IGESControl_IGESBoundary::Check(const Standard_Boolean result,const Standard_Boolean checkclosure,
84 const Standard_Boolean aokCurve3d, const Standard_Boolean aokCurve2d)
86 Standard_Boolean Result = result;
87 Standard_Boolean okCurve3d = aokCurve3d, okCurve2d = aokCurve2d;
88 Standard_Real maxtol = myCS.GetMaxTol();
90 if (Result && checkclosure) {
91 //USA60022 7277 check of closure
92 Handle(ShapeAnalysis_Wire) saw = new ShapeAnalysis_Wire;
94 saw->SetPrecision (maxtol);
95 saw->CheckConnected (1);
96 if (saw->LastCheckStatus (ShapeExtend_FAIL)) {
98 saw->CheckConnected (1);
99 if (saw->LastCheckStatus (ShapeExtend_FAIL)) okCurve3d = Standard_False;
100 else okCurve2d = Standard_False;
101 Result = Standard_False;
106 if (okCurve3d && mysewd3d->NbEdges() > 0) {
107 Message_Msg Msg1070("IGES_1070");//"Representations in the file are inconsistent. Recomputation from 3d"
109 myCS.SendWarning(myentity,Msg1070);
112 else if (okCurve2d && mysewd2d->NbEdges() > 0) {
113 Message_Msg Msg1070("IGES_1070");//"Representations in the file are inconsistent. Recomputation from 2d"
115 myCS.SendWarning(myentity,Msg1070);
121 //=======================================================================
123 //purpose : Connects theNextWD to theWD using theSAW.
124 // First, connects edges of theNextWD by calling ShapeFix_Wire::FixConnected(). This
125 // is necessary when theNextWD was built using multiple curves from the Composite
126 // Curve (as ShapeExtend_WireData::Wire() would otherwise produce a wrong
127 // disconnected TopoDS_Wire).
128 // FixConnected() will only update the edges resulting from different composite
129 // curve segments. Edges resulting from splitting C0 curve will already be
131 //=======================================================================
132 static Standard_Boolean Connect (const Handle(ShapeAnalysis_Wire)& theSAW,
133 const Handle(ShapeExtend_WireData)& theWD,
134 const Handle(ShapeExtend_WireData)& theNextWD,
135 const Standard_Boolean theConnectNextWD,
136 const Standard_Real theMaxTol,
137 Standard_Real& theDistMin,
138 Standard_Boolean& theReverseWD,
139 Standard_Boolean& theReverseNextWD)
141 theSAW->Load (theWD);
142 if (theConnectNextWD) {
143 Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
144 sfw->Load (theNextWD);
145 sfw->ClosedWireMode() = Standard_False; //internal connections are enough
148 return ShapeAlgo::AlgoContainer()->ConnectNextWire (theSAW, theNextWD,
149 theMaxTol, theDistMin, theReverseWD, theReverseNextWD);
152 //=======================================================================
153 //function : Transfer
155 //=======================================================================
157 Standard_Boolean IGESControl_IGESBoundary::Transfer(Standard_Boolean& okCurve,
158 Standard_Boolean& okCurve3d,
159 Standard_Boolean& okCurve2d,
160 const Handle(IGESData_IGESEntity)& icurve3d,
161 const Handle(ShapeExtend_WireData)& scurve3d,
162 const Standard_Boolean usescurve,
163 const Standard_Boolean toreverse3d,
164 const Handle(IGESData_HArray1OfIGESEntity)& curves2d,
165 const Standard_Boolean toreverse2d,
166 const Standard_Integer number,
167 Handle(ShapeExtend_WireData)& Gsewd)
169 Gsewd = new ShapeExtend_WireData;//local translation (for mysewd)
170 Handle(ShapeExtend_WireData) Gsewd3d = new ShapeExtend_WireData;//local translation (for mysewd3d)
171 Handle(ShapeExtend_WireData) Gsewd2d = new ShapeExtend_WireData;//local translation (for mysewd2d)
173 Standard_Boolean revsewd, revnextsewd;
174 Standard_Real distmin, precision = myCS.GetEpsGeom() * myCS.GetUnitFactor(), maxtol = myCS.GetMaxTol();
176 Handle(ShapeAnalysis_Wire) saw = new ShapeAnalysis_Wire,
177 saw3d = new ShapeAnalysis_Wire,
178 saw2d = new ShapeAnalysis_Wire;
179 saw->Load (Gsewd); saw->SetPrecision (precision);
180 saw3d->Load (Gsewd3d); saw3d->SetPrecision (precision);
181 saw2d->Load (Gsewd2d); saw2d->SetPrecision (precision);
183 Standard_Boolean GTranslate3d = Standard_True, GTranslate2d = Standard_True,
184 Preferred3d = Standard_True, Preferred2d = Standard_True;
186 Standard_Integer len3d = 0, len2d = 0;
187 Handle(TColStd_HSequenceOfTransient) seq3d, seq2d;
189 len3d = scurve3d->NbEdges();
191 IGESToBRep::IGESCurveToSequenceOfIGESCurve (icurve3d, seq3d);
192 len3d = seq3d->Length();
194 if (!curves2d.IsNull()) {
195 for (Standard_Integer i = 1; i <= curves2d->Length(); i++)
196 IGESToBRep::IGESCurveToSequenceOfIGESCurve (curves2d->Value (i), seq2d);
197 len2d = seq2d->Length();
200 Standard_Integer surfcurv = myCS.GetSurfaceCurve();
201 if ((surfcurv == -2 && len2d > 0) || len3d == 0)
202 GTranslate3d = Standard_False;
203 else if (( surfcurv == -3 && len3d > 0) || len2d == 0)
204 GTranslate2d = Standard_False;
206 if (GTranslate3d && GTranslate2d) {
207 //Setting preference in the case of inconsitency between 3D and 2D
208 if (surfcurv == 2) Preferred3d = Standard_False;
209 else if (surfcurv == 3) Preferred2d = Standard_False;
210 else if (myfilepreference == 2) Preferred3d = Standard_False;
211 else if (myfilepreference == 3) Preferred2d = Standard_False;
212 else Preferred3d = Standard_False;
214 if (GTranslate3d && GTranslate2d && len3d != len2d) {
215 GTranslate3d = Preferred3d;
216 GTranslate2d = Preferred2d;
219 IGESToBRep_TopoCurve TC (myCS);
221 if (GTranslate3d && !GTranslate2d) {
223 Gsewd->Add(scurve3d->Wire());
226 TopoDS_Shape Sh = TC.TransferTopoCurve (icurve3d);
230 ReverseCurves3d (Gsewd3d);
231 Gsewd->Add (Gsewd3d->Wire());
233 else Gsewd->Add (Sh);//Gsewd = Gsewd3d is impossible to avoid sharing of sewd (UK1.igs entity 7)
237 else if (!GTranslate3d && GTranslate2d) {
238 for (Standard_Integer i = curves2d->Lower(); i <= curves2d->Upper(); i++) {
239 TopoDS_Shape Sh = TC.Transfer2dTopoCurve (curves2d->Value (i), myface, mytrsf, myuFact);
240 if (!Sh.IsNull()) Gsewd2d->Add (Sh);
243 ReverseCurves2d (Gsewd2d, myface);
245 Gsewd->Add (Gsewd2d->Wire());
247 else if( GTranslate3d && GTranslate2d ) {
248 //Translate both curves 3D and 2D
249 //Suppose that i-th segment in 2D curve corresponds to i-th segment in 3D curve
250 for (Standard_Integer i = 1; i <= len3d; i++) {
251 Standard_Boolean LTranslate3d = Standard_True, LTranslate2d = Standard_True;
253 Handle(ShapeExtend_WireData) Lsewd3d = new ShapeExtend_WireData;
254 TC.SetBadCase (Standard_False); //:27
256 Lsewd3d->Add (scurve3d->Edge (i));
258 TopoDS_Shape shape3d = TC.TransferTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq3d->Value (i)));
259 if (!shape3d.IsNull()) {
260 Lsewd3d->Add (shape3d);
262 ReverseCurves3d (Lsewd3d);
265 else LTranslate3d = Standard_False;
267 Standard_Boolean bad3d = TC.BadCase(); //:27
268 okCurve3d = okCurve3d && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw3d, Lsewd3d, maxtol, distmin, revsewd, revnextsewd);
270 Handle(ShapeExtend_WireData) Lsewd2d = new ShapeExtend_WireData;
271 TC.SetBadCase (Standard_False); //:27
272 TopoDS_Shape shape2d = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq2d->Value (i)),
273 myface, mytrsf, myuFact);
274 Standard_Boolean bad2d = TC.BadCase(); //:27
275 if (!shape2d.IsNull()) {
276 Lsewd2d->Add (shape2d);
278 ReverseCurves2d (Lsewd2d, myface);
280 okCurve2d = okCurve2d && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw2d, Lsewd2d, maxtol, distmin, revsewd, revnextsewd);
282 else LTranslate2d = Standard_False;
284 // if (LTranslate3d && LTranslate2d && (Lsewd3d->NbEdges() != Lsewd2d->NbEdges() || bad3d || bad2d)) {
285 Standard_Boolean isBSpline = Standard_False;
286 if(!usescurve && !seq3d->Value (i).IsNull() && !seq2d->Value (i).IsNull())
287 isBSpline = seq3d->Value (i)->IsKind(STANDARD_TYPE(IGESGeom_BSplineCurve)) &&
288 seq2d->Value (i)->IsKind(STANDARD_TYPE(IGESGeom_BSplineCurve));
290 if (LTranslate3d && LTranslate2d &&
292 (isBSpline && (Lsewd3d->NbEdges() != Lsewd2d->NbEdges())) ||
293 (!isBSpline && (Lsewd3d->NbEdges() != 1 || Lsewd2d->NbEdges() != 1)) ||
297 LTranslate3d = Preferred3d;
298 LTranslate2d = Preferred2d;
300 Handle(ShapeExtend_WireData) Lsewd;//Lsewd3d or Lsewd2d or Lsewd3d+pcurve
301 if ( LTranslate3d && !LTranslate2d) Lsewd = Lsewd3d;
302 else if (!LTranslate3d && LTranslate2d) Lsewd = Lsewd2d;
305 //copying pcurve to edge with 3D curve
306 Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge;
307 for (Standard_Integer iedge = 1; iedge <= Lsewd3d->NbEdges(); iedge++) {
308 TopoDS_Edge edge3d = Lsewd3d->Edge (iedge), edge2d = Lsewd2d->Edge (iedge);
309 if (!IGESToBRep::TransferPCurve (edge2d, edge3d, myface)) continue;
310 if (sfe->FixReversed2d (edge3d, myface)) {
312 cout << "Warning: IGESToBRep_IGESBoundary: 2D curve of edge was reversed" << endl;
315 //#74 rln 10.03.99 S4135: handling use of BRepLib::SameParameter by new static parameter
316 if (Interface_Static::IVal ("read.stdsameparameter.mode")) {
317 Standard_Real first, last;
318 BRep_Tool::Range(edge3d,first,last);
319 // pdn 08.04.99 S4135 optimizing in computation of SPTol
320 //choosing tolerance according to Approx_SameParameter: 50 * 22
321 Standard_Real SPTol = Min (precision, Abs (last - first)/1000);
323 B.SameParameter (edge3d, Standard_False);
324 sfe->FixSameParameter (edge3d, SPTol);
327 sfe->FixSameParameter (edge3d);
328 Standard_Real maxdev = BRep_Tool::Tolerance (edge3d);
329 //pdn 08.04.99 S4135 recomputing only if deviation is greater than maxtol
330 if (maxdev > maxtol) { //:e2
332 cout << "Warning: IGESToBRep_IGESBoundary: Deviation = " << maxdev << endl;
334 ShapeFix_ShapeTolerance().SetTolerance (edge3d, Precision::Confusion());
335 for (Standard_Integer ie = 1; ie <= iedge; ie++)
336 ShapeBuild_Edge().RemovePCurve (Lsewd3d->Edge (ie), myface);
339 cout << "Warning: IGESToBRep_IGESBoundary: 3D and 2D curves are inconsistent; 2D is ignored" << endl;
344 cout << "Warning: IGESToBRep_IGESBoundary: 3D and 2D curves are inconsistent; 3D is ignored" << endl;
352 okCurve = okCurve && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw, Lsewd, maxtol, distmin, revsewd, revnextsewd);
355 cout << "Warning: IGESToBRep_IGESBoundary: Curves " << i - 1 << " and " << i << " cannot be connected" << endl;
357 Gsewd3d = new ShapeExtend_WireData;
358 for (Standard_Integer j = 1; j <= len3d; j++) {
360 Gsewd3d->Add (scurve3d->Edge (j));
363 TC.TransferTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq3d->Value (j)));
364 if (!Sh.IsNull()) Gsewd3d->Add (Sh);
368 ReverseCurves3d(Gsewd3d);
370 Gsewd2d = new ShapeExtend_WireData;
371 for (Standard_Integer k = 1; k <= len2d; k++) {
372 TopoDS_Shape Sh = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq2d->Value (k)),
373 myface, mytrsf, myuFact);
374 if (!Sh.IsNull()) Gsewd2d->Add (Sh);
377 ReverseCurves2d (Gsewd2d, myface);
379 Handle(ShapeFix_Wire) sfw3 = new ShapeFix_Wire(Gsewd3d->Wire(),myface,precision);
381 TopoDS_Wire w3 = sfw3->Wire();
382 Handle(ShapeFix_Wire) sfw2 = new ShapeFix_Wire(Gsewd2d->Wire(),myface,precision);
384 TopoDS_Wire w2 = sfw2->Wire();
385 ShapeAnalysis_ShapeTolerance ST;
386 double tol3 = ST.Tolerance(w3,1);
387 double tol2 = ST.Tolerance(w2,1);
388 Gsewd3d = new ShapeExtend_WireData;
389 Gsewd2d = new ShapeExtend_WireData;
396 okCurve = Standard_True;
397 okCurve2d = Standard_True;
398 okCurve3d = Standard_True;
404 okCurve = okCurve && Connect (saw, mysewd, Gsewd, (len3d > 1) || (len2d > 1), maxtol,
405 distmin, revsewd, revnextsewd);
406 okCurve3d = okCurve3d && Connect (saw3d, mysewd3d, Gsewd3d, len3d > 1, maxtol,
407 distmin, revsewd, revnextsewd);
408 okCurve2d = okCurve2d && Connect (saw2d, mysewd2d, Gsewd2d, len2d > 1, maxtol,
409 distmin, revsewd, revnextsewd);