1 // Created on: 2000-02-05
2 // Created by: data exchange team
3 // Copyright (c) 2000-2012 OPEN CASCADE SAS
5 // The content of this file is subject to the Open CASCADE Technology Public
6 // License Version 6.5 (the "License"). You may not use the content of this file
7 // except in compliance with the License. Please obtain a copy of the License
8 // at http://www.opencascade.org and read it completely before using this file.
10 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13 // The Original Code and all software distributed under the License is
14 // distributed on an "AS IS" basis, without warranty of any kind, and the
15 // Initial Developer hereby disclaims all such warranties, including without
16 // limitation, any warranties of merchantability, fitness for a particular
17 // purpose or non-infringement. Please see the License for the specific terms
18 // and conditions governing the rights and limitations under the License.
21 //06.01.99 pdn renaming ShapeFix_Wire::FixLittle to ShapeFix_Wire::FixSmall
22 //:n1 abv 20.01.99: BUC60328.rle (loopback): call FixSmall with Max(1.,preci)
23 //smh #1 11.03.99 PRO15640/15641, szv#2 PRO17393: call FixSameParameter after BuildCurve3d
24 //#74 rln 10.03.99 S4135: handling use of BRepLib::SameParameter by new static parameter
25 // pdn 18.03.99 S4135: using mintol instead of resolution from IGES file
26 // pdn 18.03.99 S4135: projecting with resolution from IGES file.
27 //%14 pdn 06.03.99 implementing fixFace in IGES
28 // S4135 pdn improvements in using of stdsameparameter flag
29 //#21 gka 12.04.99 CSR UKI60998 entities number - 13, 24 lost of boundaries during translation of tabulated cylinders
30 //S4181 pdn 15.04.99 implementing of reading IGES elementary surfaces. (instead of shift, reverce and
31 //scale factors the transformation matrix and scale factor used)
33 #include <IGESControl_IGESBoundary.ixx>
34 #include <TColStd_HSequenceOfTransient.hxx>
35 #include <Geom2d_Curve.hxx>
36 #include <Geom_Curve.hxx>
37 #include <Geom_Plane.hxx>
38 #include <GeomAdaptor_Curve.hxx>
39 #include <Precision.hxx>
40 #include <TopoDS_Edge.hxx>
41 #include <TopoDS_Wire.hxx>
42 #include <BRep_Builder.hxx>
43 #include <BRep_Tool.hxx>
44 #include <ShapeBuild_Edge.hxx>
45 #include <ShapeAnalysis_Wire.hxx>
46 #include <ShapeAnalysis_ShapeTolerance.hxx>
47 #include <ShapeFix_Edge.hxx>
48 #include <ShapeFix_Wire.hxx>
49 #include <ShapeFix_ShapeTolerance.hxx>
50 #include <IGESToBRep.hxx>
51 #include <IGESToBRep_TopoCurve.hxx>
52 #include <Message_Msg.hxx>
53 #include <Interface_Static.hxx>
54 #include <ShapeAlgo.hxx>
55 #include <ShapeAlgo_AlgoContainer.hxx>
56 #include <ShapeAlgo_ToolContainer.hxx>
57 #include <IGESGeom_BSplineCurve.hxx>
60 //=======================================================================
61 //function : IGESControl_IGESBoundary
63 //=======================================================================
65 IGESControl_IGESBoundary::IGESControl_IGESBoundary() : IGESToBRep_IGESBoundary()
69 //=======================================================================
70 //function : IGESControl_IGESBoundary
72 //=======================================================================
74 IGESControl_IGESBoundary::IGESControl_IGESBoundary(const IGESToBRep_CurveAndSurface& CS) :
75 IGESToBRep_IGESBoundary (CS)
79 //=======================================================================
82 //=======================================================================
84 void IGESControl_IGESBoundary::Check(const Standard_Boolean result,const Standard_Boolean checkclosure,
85 const Standard_Boolean aokCurve3d, const Standard_Boolean aokCurve2d)
87 Standard_Boolean Result = result;
88 Standard_Boolean okCurve3d = aokCurve3d, okCurve2d = aokCurve2d;
89 Standard_Real maxtol = myCS.GetMaxTol();
91 if (Result && checkclosure) {
92 //USA60022 7277 check of closure
93 Handle(ShapeAnalysis_Wire) saw = new ShapeAnalysis_Wire;
95 saw->SetPrecision (maxtol);
96 saw->CheckConnected (1);
97 if (saw->LastCheckStatus (ShapeExtend_FAIL)) {
99 saw->CheckConnected (1);
100 if (saw->LastCheckStatus (ShapeExtend_FAIL)) okCurve3d = Standard_False;
101 else okCurve2d = Standard_False;
102 Result = Standard_False;
107 if (okCurve3d && mysewd3d->NbEdges() > 0) {
108 Message_Msg Msg1070("IGES_1070");//"Representations in the file are inconsistent. Recomputation from 3d"
110 myCS.SendWarning(myentity,Msg1070);
113 else if (okCurve2d && mysewd2d->NbEdges() > 0) {
114 Message_Msg Msg1070("IGES_1070");//"Representations in the file are inconsistent. Recomputation from 2d"
116 myCS.SendWarning(myentity,Msg1070);
122 //=======================================================================
124 //purpose : Connects theNextWD to theWD using theSAW.
125 // First, connects edges of theNextWD by calling ShapeFix_Wire::FixConnected(). This
126 // is necessary when theNextWD was built using multiple curves from the Composite
127 // Curve (as ShapeExtend_WireData::Wire() would otherwise produce a wrong
128 // disconnected TopoDS_Wire).
129 // FixConnected() will only update the edges resulting from different composite
130 // curve segments. Edges resulting from splitting C0 curve will already be
132 //=======================================================================
133 static Standard_Boolean Connect (const Handle(ShapeAnalysis_Wire)& theSAW,
134 const Handle(ShapeExtend_WireData)& theWD,
135 const Handle(ShapeExtend_WireData)& theNextWD,
136 const Standard_Boolean theConnectNextWD,
137 const Standard_Real theMaxTol,
138 Standard_Real& theDistMin,
139 Standard_Boolean& theReverseWD,
140 Standard_Boolean& theReverseNextWD)
142 theSAW->Load (theWD);
143 if (theConnectNextWD) {
144 Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
145 sfw->Load (theNextWD);
146 sfw->ClosedWireMode() = Standard_False; //internal connections are enough
149 return ShapeAlgo::AlgoContainer()->ConnectNextWire (theSAW, theNextWD,
150 theMaxTol, theDistMin, theReverseWD, theReverseNextWD);
153 //=======================================================================
154 //function : Transfer
156 //=======================================================================
158 Standard_Boolean IGESControl_IGESBoundary::Transfer(Standard_Boolean& okCurve,
159 Standard_Boolean& okCurve3d,
160 Standard_Boolean& okCurve2d,
161 const Handle(IGESData_IGESEntity)& icurve3d,
162 const Handle(ShapeExtend_WireData)& scurve3d,
163 const Standard_Boolean usescurve,
164 const Standard_Boolean toreverse3d,
165 const Handle(IGESData_HArray1OfIGESEntity)& curves2d,
166 const Standard_Boolean toreverse2d,
167 const Standard_Integer number,
168 Handle(ShapeExtend_WireData)& Gsewd)
170 Gsewd = new ShapeExtend_WireData;//local translation (for mysewd)
171 Handle(ShapeExtend_WireData) Gsewd3d = new ShapeExtend_WireData;//local translation (for mysewd3d)
172 Handle(ShapeExtend_WireData) Gsewd2d = new ShapeExtend_WireData;//local translation (for mysewd2d)
174 Standard_Boolean revsewd, revnextsewd;
175 Standard_Real distmin, precision = myCS.GetEpsGeom() * myCS.GetUnitFactor(), maxtol = myCS.GetMaxTol();
177 Handle(ShapeAnalysis_Wire) saw = new ShapeAnalysis_Wire,
178 saw3d = new ShapeAnalysis_Wire,
179 saw2d = new ShapeAnalysis_Wire;
180 saw->Load (Gsewd); saw->SetPrecision (precision);
181 saw3d->Load (Gsewd3d); saw3d->SetPrecision (precision);
182 saw2d->Load (Gsewd2d); saw2d->SetPrecision (precision);
184 Standard_Boolean GTranslate3d = Standard_True, GTranslate2d = Standard_True,
185 Preferred3d = Standard_True, Preferred2d = Standard_True;
187 Standard_Integer len3d = 0, len2d = 0;
188 Handle(TColStd_HSequenceOfTransient) seq3d, seq2d;
190 len3d = scurve3d->NbEdges();
192 IGESToBRep::IGESCurveToSequenceOfIGESCurve (icurve3d, seq3d);
193 len3d = seq3d->Length();
195 if (!curves2d.IsNull()) {
196 for (Standard_Integer i = 1; i <= curves2d->Length(); i++)
197 IGESToBRep::IGESCurveToSequenceOfIGESCurve (curves2d->Value (i), seq2d);
198 len2d = seq2d->Length();
201 Standard_Integer surfcurv = myCS.GetSurfaceCurve();
202 if ((surfcurv == -2 && len2d > 0) || len3d == 0)
203 GTranslate3d = Standard_False;
204 else if (( surfcurv == -3 && len3d > 0) || len2d == 0)
205 GTranslate2d = Standard_False;
207 if (GTranslate3d && GTranslate2d) {
208 //Setting preference in the case of inconsitency between 3D and 2D
209 if (surfcurv == 2) Preferred3d = Standard_False;
210 else if (surfcurv == 3) Preferred2d = Standard_False;
211 else if (myfilepreference == 2) Preferred3d = Standard_False;
212 else if (myfilepreference == 3) Preferred2d = Standard_False;
213 else Preferred3d = Standard_False;
215 if (GTranslate3d && GTranslate2d && len3d != len2d) {
216 GTranslate3d = Preferred3d;
217 GTranslate2d = Preferred2d;
220 IGESToBRep_TopoCurve TC (myCS);
222 if (GTranslate3d && !GTranslate2d) {
224 Gsewd->Add(scurve3d->Wire());
227 TopoDS_Shape Sh = TC.TransferTopoCurve (icurve3d);
231 ReverseCurves3d (Gsewd3d);
232 Gsewd->Add (Gsewd3d->Wire());
234 else Gsewd->Add (Sh);//Gsewd = Gsewd3d is impossible to avoid sharing of sewd (UK1.igs entity 7)
238 else if (!GTranslate3d && GTranslate2d) {
239 for (Standard_Integer i = curves2d->Lower(); i <= curves2d->Upper(); i++) {
240 TopoDS_Shape Sh = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (curves2d->Value (i)),
241 myface, mytrsf, myuFact);
242 if (!Sh.IsNull()) Gsewd2d->Add (Sh);
245 ReverseCurves2d (Gsewd2d, myface);
247 Gsewd->Add (Gsewd2d->Wire());
249 else if( GTranslate3d && GTranslate2d ) {
250 //Translate both curves 3D and 2D
251 //Suppose that i-th segment in 2D curve corresponds to i-th segment in 3D curve
252 for (Standard_Integer i = 1; i <= len3d; i++) {
253 Standard_Boolean LTranslate3d = Standard_True, LTranslate2d = Standard_True;
255 Handle(ShapeExtend_WireData) Lsewd3d = new ShapeExtend_WireData;
256 TC.SetBadCase (Standard_False); //:27
258 Lsewd3d->Add (scurve3d->Edge (i));
260 TopoDS_Shape shape3d = TC.TransferTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq3d->Value (i)));
261 if (!shape3d.IsNull()) {
262 Lsewd3d->Add (shape3d);
264 ReverseCurves3d (Lsewd3d);
267 else LTranslate3d = Standard_False;
269 Standard_Boolean bad3d = TC.BadCase(); //:27
270 okCurve3d = okCurve3d && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw3d, Lsewd3d, maxtol, distmin, revsewd, revnextsewd);
272 Handle(ShapeExtend_WireData) Lsewd2d = new ShapeExtend_WireData;
273 TC.SetBadCase (Standard_False); //:27
274 TopoDS_Shape shape2d = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq2d->Value (i)),
275 myface, mytrsf, myuFact);
276 Standard_Boolean bad2d = TC.BadCase(); //:27
277 if (!shape2d.IsNull()) {
278 Lsewd2d->Add (shape2d);
280 ReverseCurves2d (Lsewd2d, myface);
282 okCurve2d = okCurve2d && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw2d, Lsewd2d, maxtol, distmin, revsewd, revnextsewd);
284 else LTranslate2d = Standard_False;
286 // if (LTranslate3d && LTranslate2d && (Lsewd3d->NbEdges() != Lsewd2d->NbEdges() || bad3d || bad2d)) {
287 Standard_Boolean isBSpline = Standard_False;
288 if(!usescurve && !seq3d->Value (i).IsNull() && !seq2d->Value (i).IsNull())
289 isBSpline = seq3d->Value (i)->IsKind(STANDARD_TYPE(IGESGeom_BSplineCurve)) &&
290 seq2d->Value (i)->IsKind(STANDARD_TYPE(IGESGeom_BSplineCurve));
292 if (LTranslate3d && LTranslate2d &&
294 (isBSpline && (Lsewd3d->NbEdges() != Lsewd2d->NbEdges())) ||
295 (!isBSpline && (Lsewd3d->NbEdges() != 1 || Lsewd2d->NbEdges() != 1)) ||
299 LTranslate3d = Preferred3d;
300 LTranslate2d = Preferred2d;
302 Handle(ShapeExtend_WireData) Lsewd;//Lsewd3d or Lsewd2d or Lsewd3d+pcurve
303 if ( LTranslate3d && !LTranslate2d) Lsewd = Lsewd3d;
304 else if (!LTranslate3d && LTranslate2d) Lsewd = Lsewd2d;
307 //copying pcurve to edge with 3D curve
308 Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge;
309 for (Standard_Integer iedge = 1; iedge <= Lsewd3d->NbEdges(); iedge++) {
310 TopoDS_Edge edge3d = Lsewd3d->Edge (iedge), edge2d = Lsewd2d->Edge (iedge);
311 if (!IGESToBRep::TransferPCurve (edge2d, edge3d, myface)) continue;
312 if (sfe->FixReversed2d (edge3d, myface)) {
314 cout << "Warning: IGESToBRep_IGESBoundary: 2D curve of edge was reversed" << endl;
317 //#74 rln 10.03.99 S4135: handling use of BRepLib::SameParameter by new static parameter
318 if (Interface_Static::IVal ("read.stdsameparameter.mode")) {
319 Standard_Real first, last;
320 BRep_Tool::Range(edge3d,first,last);
321 // pdn 08.04.99 S4135 optimizing in computation of SPTol
322 //choosing tolerance according to Approx_SameParameter: 50 * 22
323 Standard_Real SPTol = Min (precision, Abs (last - first)/1000);
325 B.SameParameter (edge3d, Standard_False);
326 sfe->FixSameParameter (edge3d, SPTol);
329 sfe->FixSameParameter (edge3d);
330 Standard_Real maxdev = BRep_Tool::Tolerance (edge3d);
331 //pdn 08.04.99 S4135 recomputing only if deviation is greater than maxtol
332 if (maxdev > maxtol) { //:e2
334 cout << "Warning: IGESToBRep_IGESBoundary: Deviation = " << maxdev << endl;
336 ShapeFix_ShapeTolerance().SetTolerance (edge3d, Precision::Confusion());
337 for (Standard_Integer ie = 1; ie <= iedge; ie++)
338 ShapeBuild_Edge().RemovePCurve (Lsewd3d->Edge (ie), myface);
341 cout << "Warning: IGESToBRep_IGESBoundary: 3D and 2D curves are inconsistent; 2D is ignored" << endl;
346 cout << "Warning: IGESToBRep_IGESBoundary: 3D and 2D curves are inconsistent; 3D is ignored" << endl;
354 okCurve = okCurve && ShapeAlgo::AlgoContainer()->ConnectNextWire (saw, Lsewd, maxtol, distmin, revsewd, revnextsewd);
357 cout << "Warning: IGESToBRep_IGESBoundary: Curves " << i - 1 << " and " << i << " cannot be connected" << endl;
359 Gsewd3d = new ShapeExtend_WireData;
360 for (Standard_Integer i = 1; i <= len3d; i++) {
362 Gsewd3d->Add (scurve3d->Edge (i));
365 TC.TransferTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq3d->Value (i)));
366 if (!Sh.IsNull()) Gsewd3d->Add (Sh);
370 ReverseCurves3d(Gsewd3d);
372 Gsewd2d = new ShapeExtend_WireData;
373 for (Standard_Integer i = 1; i <= len2d; i++) {
374 TopoDS_Shape Sh = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq2d->Value (i)),
375 myface, mytrsf, myuFact);
376 if (!Sh.IsNull()) Gsewd2d->Add (Sh);
379 ReverseCurves2d (Gsewd2d, myface);
381 Handle(ShapeFix_Wire) sfw3 = new ShapeFix_Wire(Gsewd3d->Wire(),myface,precision);
383 TopoDS_Wire w3 = sfw3->Wire();
384 Handle(ShapeFix_Wire) sfw2 = new ShapeFix_Wire(Gsewd2d->Wire(),myface,precision);
386 TopoDS_Wire w2 = sfw2->Wire();
387 ShapeAnalysis_ShapeTolerance ST;
388 double tol3 = ST.Tolerance(w3,1);
389 double tol2 = ST.Tolerance(w2,1);
390 Gsewd3d = new ShapeExtend_WireData;
391 Gsewd2d = new ShapeExtend_WireData;
398 okCurve = Standard_True;
399 okCurve2d = Standard_True;
400 okCurve3d = Standard_True;
406 okCurve = okCurve && Connect (saw, mysewd, Gsewd, (len3d > 1) || (len2d > 1), maxtol,
407 distmin, revsewd, revnextsewd);
408 okCurve3d = okCurve3d && Connect (saw3d, mysewd3d, Gsewd3d, len3d > 1, maxtol,
409 distmin, revsewd, revnextsewd);
410 okCurve2d = okCurve2d && Connect (saw2d, mysewd2d, Gsewd2d, len2d > 1, maxtol,
411 distmin, revsewd, revnextsewd);