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 <IGESControl_IGESBoundary.ixx>
29 #include <TColStd_HSequenceOfTransient.hxx>
30 #include <Geom2d_Curve.hxx>
31 #include <Geom_Curve.hxx>
32 #include <Geom_Plane.hxx>
33 #include <GeomAdaptor_Curve.hxx>
34 #include <Precision.hxx>
35 #include <TopoDS_Edge.hxx>
36 #include <TopoDS_Wire.hxx>
37 #include <BRep_Builder.hxx>
38 #include <BRep_Tool.hxx>
39 #include <ShapeBuild_Edge.hxx>
40 #include <ShapeAnalysis_Wire.hxx>
41 #include <ShapeAnalysis_ShapeTolerance.hxx>
42 #include <ShapeFix_Edge.hxx>
43 #include <ShapeFix_Wire.hxx>
44 #include <ShapeFix_ShapeTolerance.hxx>
45 #include <IGESToBRep.hxx>
46 #include <IGESToBRep_TopoCurve.hxx>
47 #include <Message_Msg.hxx>
48 #include <Interface_Static.hxx>
49 #include <ShapeAlgo.hxx>
50 #include <ShapeAlgo_AlgoContainer.hxx>
51 #include <ShapeAlgo_ToolContainer.hxx>
52 #include <IGESGeom_BSplineCurve.hxx>
53 #include <IGESData_IGESEntity.hxx>
56 //=======================================================================
57 //function : IGESControl_IGESBoundary
59 //=======================================================================
61 IGESControl_IGESBoundary::IGESControl_IGESBoundary() : IGESToBRep_IGESBoundary()
65 //=======================================================================
66 //function : IGESControl_IGESBoundary
68 //=======================================================================
70 IGESControl_IGESBoundary::IGESControl_IGESBoundary(const IGESToBRep_CurveAndSurface& CS) :
71 IGESToBRep_IGESBoundary (CS)
75 //=======================================================================
78 //=======================================================================
80 void IGESControl_IGESBoundary::Check(const Standard_Boolean result,const Standard_Boolean checkclosure,
81 const Standard_Boolean aokCurve3d, const Standard_Boolean aokCurve2d)
83 Standard_Boolean Result = result;
84 Standard_Boolean okCurve3d = aokCurve3d, okCurve2d = aokCurve2d;
85 Standard_Real maxtol = myCS.GetMaxTol();
87 if (Result && checkclosure) {
88 //USA60022 7277 check of closure
89 Handle(ShapeAnalysis_Wire) saw = new ShapeAnalysis_Wire;
91 saw->SetPrecision (maxtol);
92 saw->CheckConnected (1);
93 if (saw->LastCheckStatus (ShapeExtend_FAIL)) {
95 saw->CheckConnected (1);
96 if (saw->LastCheckStatus (ShapeExtend_FAIL)) okCurve3d = Standard_False;
97 else okCurve2d = Standard_False;
98 Result = Standard_False;
103 if (okCurve3d && mysewd3d->NbEdges() > 0) {
104 Message_Msg Msg1070("IGES_1070");//"Representations in the file are inconsistent. Recomputation from 3d"
106 myCS.SendWarning(myentity,Msg1070);
109 else if (okCurve2d && mysewd2d->NbEdges() > 0) {
110 Message_Msg Msg1070("IGES_1070");//"Representations in the file are inconsistent. Recomputation from 2d"
112 myCS.SendWarning(myentity,Msg1070);
118 //=======================================================================
120 //purpose : Connects theNextWD to theWD using theSAW.
121 // First, connects edges of theNextWD by calling ShapeFix_Wire::FixConnected(). This
122 // is necessary when theNextWD was built using multiple curves from the Composite
123 // Curve (as ShapeExtend_WireData::Wire() would otherwise produce a wrong
124 // disconnected TopoDS_Wire).
125 // FixConnected() will only update the edges resulting from different composite
126 // curve segments. Edges resulting from splitting C0 curve will already be
128 //=======================================================================
129 static Standard_Boolean Connect (const Handle(ShapeAnalysis_Wire)& theSAW,
130 const Handle(ShapeExtend_WireData)& theWD,
131 const Handle(ShapeExtend_WireData)& theNextWD,
132 const Standard_Boolean theConnectNextWD,
133 const Standard_Real theMaxTol,
134 Standard_Real& theDistMin,
135 Standard_Boolean& theReverseWD,
136 Standard_Boolean& theReverseNextWD)
138 theSAW->Load (theWD);
139 if (theConnectNextWD) {
140 Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
141 sfw->Load (theNextWD);
142 sfw->ClosedWireMode() = Standard_False; //internal connections are enough
145 return ShapeAlgo::AlgoContainer()->ConnectNextWire (theSAW, theNextWD,
146 theMaxTol, theDistMin, theReverseWD, theReverseNextWD);
149 //=======================================================================
150 //function : Transfer
152 //=======================================================================
154 Standard_Boolean IGESControl_IGESBoundary::Transfer(Standard_Boolean& okCurve,
155 Standard_Boolean& okCurve3d,
156 Standard_Boolean& okCurve2d,
157 const Handle(IGESData_IGESEntity)& icurve3d,
158 const Handle(ShapeExtend_WireData)& scurve3d,
159 const Standard_Boolean usescurve,
160 const Standard_Boolean toreverse3d,
161 const Handle(IGESData_HArray1OfIGESEntity)& curves2d,
162 const Standard_Boolean toreverse2d,
163 const Standard_Integer number,
164 Handle(ShapeExtend_WireData)& Gsewd)
166 Gsewd = new ShapeExtend_WireData;//local translation (for mysewd)
167 Handle(ShapeExtend_WireData) Gsewd3d = new ShapeExtend_WireData;//local translation (for mysewd3d)
168 Handle(ShapeExtend_WireData) Gsewd2d = new ShapeExtend_WireData;//local translation (for mysewd2d)
170 Standard_Boolean revsewd, revnextsewd;
171 Standard_Real distmin, precision = myCS.GetEpsGeom() * myCS.GetUnitFactor(), maxtol = myCS.GetMaxTol();
173 Handle(ShapeAnalysis_Wire) saw = new ShapeAnalysis_Wire,
174 saw3d = new ShapeAnalysis_Wire,
175 saw2d = new ShapeAnalysis_Wire;
176 saw->Load (Gsewd); saw->SetPrecision (precision);
177 saw3d->Load (Gsewd3d); saw3d->SetPrecision (precision);
178 saw2d->Load (Gsewd2d); saw2d->SetPrecision (precision);
180 Standard_Boolean GTranslate3d = Standard_True, GTranslate2d = Standard_True,
181 Preferred3d = Standard_True, Preferred2d = Standard_True;
183 Standard_Integer len3d = 0, len2d = 0;
184 Handle(TColStd_HSequenceOfTransient) seq3d, seq2d;
186 len3d = scurve3d->NbEdges();
188 IGESToBRep::IGESCurveToSequenceOfIGESCurve (icurve3d, seq3d);
189 len3d = seq3d->Length();
191 if (!curves2d.IsNull()) {
192 for (Standard_Integer i = 1; i <= curves2d->Length(); i++)
193 IGESToBRep::IGESCurveToSequenceOfIGESCurve (curves2d->Value (i), seq2d);
194 len2d = seq2d->Length();
197 Standard_Integer surfcurv = myCS.GetSurfaceCurve();
198 if ((surfcurv == -2 && len2d > 0) || len3d == 0)
199 GTranslate3d = Standard_False;
200 else if (( surfcurv == -3 && len3d > 0) || len2d == 0)
201 GTranslate2d = Standard_False;
203 if (GTranslate3d && GTranslate2d) {
204 //Setting preference in the case of inconsitency between 3D and 2D
205 if (surfcurv == 2) Preferred3d = Standard_False;
206 else if (surfcurv == 3) Preferred2d = Standard_False;
207 else if (myfilepreference == 2) Preferred3d = Standard_False;
208 else if (myfilepreference == 3) Preferred2d = Standard_False;
209 else Preferred3d = Standard_False;
211 if (GTranslate3d && GTranslate2d && len3d != len2d) {
212 GTranslate3d = Preferred3d;
213 GTranslate2d = Preferred2d;
216 IGESToBRep_TopoCurve TC (myCS);
218 if (GTranslate3d && !GTranslate2d) {
220 Gsewd->Add(scurve3d->Wire());
223 TopoDS_Shape Sh = TC.TransferTopoCurve (icurve3d);
227 ReverseCurves3d (Gsewd3d);
228 Gsewd->Add (Gsewd3d->Wire());
230 else Gsewd->Add (Sh);//Gsewd = Gsewd3d is impossible to avoid sharing of sewd (UK1.igs entity 7)
234 else if (!GTranslate3d && GTranslate2d) {
235 for (Standard_Integer i = curves2d->Lower(); i <= curves2d->Upper(); i++) {
236 TopoDS_Shape Sh = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (curves2d->Value (i)),
237 myface, mytrsf, myuFact);
238 if (!Sh.IsNull()) Gsewd2d->Add (Sh);
241 ReverseCurves2d (Gsewd2d, myface);
243 Gsewd->Add (Gsewd2d->Wire());
245 else if( GTranslate3d && GTranslate2d ) {
246 //Translate both curves 3D and 2D
247 //Suppose that i-th segment in 2D curve corresponds to i-th segment in 3D curve
248 for (Standard_Integer i = 1; i <= len3d; i++) {
249 Standard_Boolean LTranslate3d = Standard_True, LTranslate2d = Standard_True;
251 Handle(ShapeExtend_WireData) Lsewd3d = new ShapeExtend_WireData;
252 TC.SetBadCase (Standard_False); //:27
254 Lsewd3d->Add (scurve3d->Edge (i));
256 TopoDS_Shape shape3d = TC.TransferTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq3d->Value (i)));
257 if (!shape3d.IsNull()) {
258 Lsewd3d->Add (shape3d);
260 ReverseCurves3d (Lsewd3d);
263 else LTranslate3d = Standard_False;
265 Standard_Boolean bad3d = TC.BadCase(); //:27
266 okCurve3d = okCurve3d && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw3d, Lsewd3d, maxtol, distmin, revsewd, revnextsewd);
268 Handle(ShapeExtend_WireData) Lsewd2d = new ShapeExtend_WireData;
269 TC.SetBadCase (Standard_False); //:27
270 TopoDS_Shape shape2d = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq2d->Value (i)),
271 myface, mytrsf, myuFact);
272 Standard_Boolean bad2d = TC.BadCase(); //:27
273 if (!shape2d.IsNull()) {
274 Lsewd2d->Add (shape2d);
276 ReverseCurves2d (Lsewd2d, myface);
278 okCurve2d = okCurve2d && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw2d, Lsewd2d, maxtol, distmin, revsewd, revnextsewd);
280 else LTranslate2d = Standard_False;
282 // if (LTranslate3d && LTranslate2d && (Lsewd3d->NbEdges() != Lsewd2d->NbEdges() || bad3d || bad2d)) {
283 Standard_Boolean isBSpline = Standard_False;
284 if(!usescurve && !seq3d->Value (i).IsNull() && !seq2d->Value (i).IsNull())
285 isBSpline = seq3d->Value (i)->IsKind(STANDARD_TYPE(IGESGeom_BSplineCurve)) &&
286 seq2d->Value (i)->IsKind(STANDARD_TYPE(IGESGeom_BSplineCurve));
288 if (LTranslate3d && LTranslate2d &&
290 (isBSpline && (Lsewd3d->NbEdges() != Lsewd2d->NbEdges())) ||
291 (!isBSpline && (Lsewd3d->NbEdges() != 1 || Lsewd2d->NbEdges() != 1)) ||
295 LTranslate3d = Preferred3d;
296 LTranslate2d = Preferred2d;
298 Handle(ShapeExtend_WireData) Lsewd;//Lsewd3d or Lsewd2d or Lsewd3d+pcurve
299 if ( LTranslate3d && !LTranslate2d) Lsewd = Lsewd3d;
300 else if (!LTranslate3d && LTranslate2d) Lsewd = Lsewd2d;
303 //copying pcurve to edge with 3D curve
304 Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge;
305 for (Standard_Integer iedge = 1; iedge <= Lsewd3d->NbEdges(); iedge++) {
306 TopoDS_Edge edge3d = Lsewd3d->Edge (iedge), edge2d = Lsewd2d->Edge (iedge);
307 if (!IGESToBRep::TransferPCurve (edge2d, edge3d, myface)) continue;
308 if (sfe->FixReversed2d (edge3d, myface)) {
310 cout << "Warning: IGESToBRep_IGESBoundary: 2D curve of edge was reversed" << endl;
313 //#74 rln 10.03.99 S4135: handling use of BRepLib::SameParameter by new static parameter
314 if (Interface_Static::IVal ("read.stdsameparameter.mode")) {
315 Standard_Real first, last;
316 BRep_Tool::Range(edge3d,first,last);
317 // pdn 08.04.99 S4135 optimizing in computation of SPTol
318 //choosing tolerance according to Approx_SameParameter: 50 * 22
319 Standard_Real SPTol = Min (precision, Abs (last - first)/1000);
321 B.SameParameter (edge3d, Standard_False);
322 sfe->FixSameParameter (edge3d, SPTol);
325 sfe->FixSameParameter (edge3d);
326 Standard_Real maxdev = BRep_Tool::Tolerance (edge3d);
327 //pdn 08.04.99 S4135 recomputing only if deviation is greater than maxtol
328 if (maxdev > maxtol) { //:e2
330 cout << "Warning: IGESToBRep_IGESBoundary: Deviation = " << maxdev << endl;
332 ShapeFix_ShapeTolerance().SetTolerance (edge3d, Precision::Confusion());
333 for (Standard_Integer ie = 1; ie <= iedge; ie++)
334 ShapeBuild_Edge().RemovePCurve (Lsewd3d->Edge (ie), myface);
337 cout << "Warning: IGESToBRep_IGESBoundary: 3D and 2D curves are inconsistent; 2D is ignored" << endl;
342 cout << "Warning: IGESToBRep_IGESBoundary: 3D and 2D curves are inconsistent; 3D is ignored" << endl;
350 okCurve = okCurve && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw, Lsewd, maxtol, distmin, revsewd, revnextsewd);
353 cout << "Warning: IGESToBRep_IGESBoundary: Curves " << i - 1 << " and " << i << " cannot be connected" << endl;
355 Gsewd3d = new ShapeExtend_WireData;
356 for (Standard_Integer i = 1; i <= len3d; i++) {
358 Gsewd3d->Add (scurve3d->Edge (i));
361 TC.TransferTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq3d->Value (i)));
362 if (!Sh.IsNull()) Gsewd3d->Add (Sh);
366 ReverseCurves3d(Gsewd3d);
368 Gsewd2d = new ShapeExtend_WireData;
369 for (Standard_Integer i = 1; i <= len2d; i++) {
370 TopoDS_Shape Sh = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq2d->Value (i)),
371 myface, mytrsf, myuFact);
372 if (!Sh.IsNull()) Gsewd2d->Add (Sh);
375 ReverseCurves2d (Gsewd2d, myface);
377 Handle(ShapeFix_Wire) sfw3 = new ShapeFix_Wire(Gsewd3d->Wire(),myface,precision);
379 TopoDS_Wire w3 = sfw3->Wire();
380 Handle(ShapeFix_Wire) sfw2 = new ShapeFix_Wire(Gsewd2d->Wire(),myface,precision);
382 TopoDS_Wire w2 = sfw2->Wire();
383 ShapeAnalysis_ShapeTolerance ST;
384 double tol3 = ST.Tolerance(w3,1);
385 double tol2 = ST.Tolerance(w2,1);
386 Gsewd3d = new ShapeExtend_WireData;
387 Gsewd2d = new ShapeExtend_WireData;
394 okCurve = Standard_True;
395 okCurve2d = Standard_True;
396 okCurve3d = Standard_True;
402 okCurve = okCurve && Connect (saw, mysewd, Gsewd, (len3d > 1) || (len2d > 1), maxtol,
403 distmin, revsewd, revnextsewd);
404 okCurve3d = okCurve3d && Connect (saw3d, mysewd3d, Gsewd3d, len3d > 1, maxtol,
405 distmin, revsewd, revnextsewd);
406 okCurve2d = okCurve2d && Connect (saw2d, mysewd2d, Gsewd2d, len2d > 1, maxtol,
407 distmin, revsewd, revnextsewd);