1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include <Standard_Stream.hxx>
25 #include <GEOMImpl_ProjectionDriver.hxx>
27 #include <GEOMImpl_IMirror.hxx>
28 #include <GEOMImpl_IProjection.hxx>
29 #include <GEOMImpl_IProjOnCyl.hxx>
30 #include <GEOMImpl_Types.hxx>
31 #include <GEOM_Function.hxx>
32 #include <GEOMUtils.hxx>
33 #include <GEOMUtils_HTrsfCurve2d.hxx>
35 #include <Approx_Curve2d.hxx>
36 #include <Bnd_Box2d.hxx>
37 #include <BndLib_Add2dCurve.hxx>
38 #include <BRep_Tool.hxx>
39 #include <BRepAdaptor_Curve2d.hxx>
40 #include <BRepBuilderAPI_Transform.hxx>
41 #include <BRepBuilderAPI_MakeEdge.hxx>
42 #include <BRepBuilderAPI_MakeFace.hxx>
43 #include <BRepBuilderAPI_MakeVertex.hxx>
44 #include <BRepBuilderAPI_MakeWire.hxx>
45 #include <BRepClass_FaceClassifier.hxx>
46 #include <BRepExtrema_DistShapeShape.hxx>
47 #include <BRepLib.hxx>
48 #include <BRepOffsetAPI_NormalProjection.hxx>
49 #include <BRepTools.hxx>
50 #include <BRepTools_WireExplorer.hxx>
55 #include <TopoDS_Shape.hxx>
56 #include <TopoDS_Edge.hxx>
57 #include <TopoDS_Face.hxx>
58 #include <TopoDS_Vertex.hxx>
59 #include <TopoDS_Wire.hxx>
60 #include <TopTools_ListIteratorOfListOfShape.hxx>
62 #include <GeomAPI_ProjectPointOnSurf.hxx>
63 #include <Geom_Curve.hxx>
64 #include <Geom_CylindricalSurface.hxx>
65 #include <Geom_Plane.hxx>
66 #include <Geom2d_TrimmedCurve.hxx>
68 #include <gp_Trsf.hxx>
72 //=======================================================================
75 //=======================================================================
76 const Standard_GUID& GEOMImpl_ProjectionDriver::GetID()
78 static Standard_GUID aProjectionDriver ("FF1BBB70-5D14-4df2-980B-3A668264EA16");
79 return aProjectionDriver;
83 //=======================================================================
84 //function : GEOMImpl_ProjectionDriver
86 //=======================================================================
88 GEOMImpl_ProjectionDriver::GEOMImpl_ProjectionDriver()
92 //=======================================================================
95 //=======================================================================
96 Standard_Integer GEOMImpl_ProjectionDriver::Execute(Handle(TFunction_Logbook)& log) const
98 if (Label().IsNull()) return 0;
99 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
101 if (aFunction.IsNull()) return 0;
103 Standard_Integer aType = aFunction->GetType();
105 if (aType == PROJECTION_COPY) {
110 GEOMImpl_IMirror TI (aFunction);
112 Handle(GEOM_Function) anOriginalFunction = TI.GetOriginal();
113 if (anOriginalFunction.IsNull()) return 0;
115 TopoDS_Shape anOriginal = anOriginalFunction->GetValue();
116 if (anOriginal.IsNull()) return 0;
118 // Source shape (point, edge or wire)
119 if (anOriginal.ShapeType() != TopAbs_VERTEX &&
120 anOriginal.ShapeType() != TopAbs_EDGE &&
121 anOriginal.ShapeType() != TopAbs_WIRE) {
122 Standard_ConstructionError::Raise
123 ("Projection aborted : the source shape is neither a vertex, nor an edge or a wire");
127 Handle(GEOM_Function) aTargetFunction = TI.GetPlane();
128 if (aTargetFunction.IsNull()) return 0;
129 TopoDS_Shape aFaceShape = aTargetFunction->GetValue();
130 //if (aFaceShape.IsNull() || aFaceShape.ShapeType() != TopAbs_FACE) {
131 // Standard_ConstructionError::Raise
132 // ("Projection aborted : the target shape is not a face");
135 Standard_Real tol = 1.e-4;
137 if (anOriginal.ShapeType() == TopAbs_VERTEX) {
138 if (aFaceShape.IsNull() || aFaceShape.ShapeType() != TopAbs_FACE) {
139 Standard_ConstructionError::Raise
140 ("Projection aborted : the target shape is not a face");
142 TopoDS_Face aFace = TopoDS::Face(aFaceShape);
143 Handle(Geom_Surface) surface = BRep_Tool::Surface(aFace);
144 double U1, U2, V1, V2;
145 //surface->Bounds(U1, U2, V1, V2);
146 BRepTools::UVBounds(aFace, U1, U2, V1, V2);
149 GeomAPI_ProjectPointOnSurf proj;
150 proj.Init(surface, U1, U2, V1, V2, tol);
152 gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(anOriginal));
154 if (!proj.IsDone()) {
155 Standard_ConstructionError::Raise
156 ("Projection aborted : the algorithm failed");
158 int nbPoints = proj.NbPoints();
160 Standard_ConstructionError::Raise("No solution found");
164 proj.LowerDistanceParameters(U, V);
165 gp_Pnt2d aProjPnt (U, V);
168 BRepClass_FaceClassifier aClsf (aFace, aProjPnt, tol);
169 if (aClsf.State() != TopAbs_IN && aClsf.State() != TopAbs_ON) {
171 double minDist = RealLast();
172 for (int i = 1; i <= nbPoints; i++) {
173 Standard_Real Ui, Vi;
174 proj.Parameters(i, Ui, Vi);
175 aProjPnt = gp_Pnt2d(Ui, Vi);
176 aClsf.Perform(aFace, aProjPnt, tol);
177 if (aClsf.State() == TopAbs_IN || aClsf.State() == TopAbs_ON) {
179 double dist = proj.Distance(i);
180 if (dist < minDist) {
188 Standard_ConstructionError::Raise("No solution found");
192 gp_Pnt surfPnt = surface->Value(U, V);
194 aShape = BRepBuilderAPI_MakeVertex(surfPnt).Shape();
197 //see BRepTest_BasicCommands.cxx for example of BRepOffsetAPI_NormalProjection
198 BRepOffsetAPI_NormalProjection OrtProj (aFaceShape);
199 OrtProj.Add(anOriginal);
201 // Compute maximal tolerance of projection.
202 TopExp_Explorer anExp(anOriginal,TopAbs_VERTEX);
203 Standard_Real aMaxTol = Precision::Confusion();
205 for(; anExp.More(); anExp.Next()) {
206 const TopoDS_Vertex aVtx = TopoDS::Vertex(anExp.Current());
207 const Standard_Real aCurTol = BRep_Tool::Tolerance(aVtx);
209 if (aMaxTol < aCurTol) {
214 Standard_Real tol2d = Pow(aMaxTol, 2./3);
215 GeomAbs_Shape Continuity = GeomAbs_C2;
216 Standard_Integer MaxDeg = 14;
217 Standard_Integer MaxSeg = 16;
219 OrtProj.SetParams(aMaxTol, tol2d, Continuity, MaxDeg, MaxSeg);
223 } catch (Standard_Failure& aFail) {
224 TCollection_AsciiString aMsg (aFail.GetMessageString());
226 aMsg = "Projection aborted : possibly the source shape intersects the cylinder's axis";
227 Standard_ConstructionError::Raise(aMsg.ToCString());
229 if (!OrtProj.IsDone()) {
230 Standard_ConstructionError::Raise
231 ("Projection aborted : BRepOffsetAPI_NormalProjection failed");
234 aShape = OrtProj.Shape();
236 // check that the result shape is an empty compound
237 // (IPAL22905: TC650: Projection on face dialog problems)
238 if( !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPOUND )
240 TopoDS_Iterator anIter( aShape );
242 Standard_ConstructionError::Raise("Projection aborted : empty compound produced");
246 if (aShape.IsNull()) return 0;
248 aFunction->SetValue(aShape);
249 log->SetTouched(Label());
250 } else if (aType == PROJECTION_ON_WIRE) {
251 // Perform projection of point on a wire or an edge.
252 GEOMImpl_IProjection aProj (aFunction);
253 Handle(GEOM_Function) aPointFunction = aProj.GetPoint();
254 Handle(GEOM_Function) aShapeFunction = aProj.GetShape();
256 if (aPointFunction.IsNull() || aShapeFunction.IsNull()) {
260 TopoDS_Shape aPoint = aPointFunction->GetValue();
261 TopoDS_Shape aShape = aShapeFunction->GetValue();
263 if (aPoint.IsNull() || aShape.IsNull()) {
267 // Check shape types.
268 if (aPoint.ShapeType() != TopAbs_VERTEX) {
269 Standard_ConstructionError::Raise
270 ("Projection aborted : the point is not a vertex");
273 if (aShape.ShapeType() != TopAbs_EDGE &&
274 aShape.ShapeType() != TopAbs_WIRE) {
275 Standard_ConstructionError::Raise
276 ("Projection aborted : the shape is neither an edge nor a wire");
279 // Perform projection.
280 BRepExtrema_DistShapeShape aDistShSh(aPoint, aShape, Extrema_ExtFlag_MIN);
282 if (aDistShSh.IsDone() == Standard_False) {
283 Standard_ConstructionError::Raise("Projection not done");
286 Standard_Boolean hasValidSolution = Standard_False;
287 Standard_Integer aNbSolutions = aDistShSh.NbSolution();
290 Standard_Real aTolConf = BRep_Tool::Tolerance(TopoDS::Vertex(aPoint));
291 Standard_Real aTolAng = 1.e-4;
293 for (i = 1; i <= aNbSolutions; i++) {
294 Standard_Boolean isValid = Standard_False;
295 BRepExtrema_SupportType aSupportType = aDistShSh.SupportTypeShape2(i);
296 TopoDS_Shape aSupportShape = aDistShSh.SupportOnShape2(i);
298 if (aSupportType == BRepExtrema_IsOnEdge) {
299 // Minimal distance inside edge is really a projection.
300 isValid = Standard_True;
301 aDistShSh.ParOnEdgeS2(i, aParam);
302 } else if (aSupportType == BRepExtrema_IsVertex) {
303 TopExp_Explorer anExp(aShape, TopAbs_EDGE);
305 if (aDistShSh.Value() <= aTolConf) {
306 // The point lies on the shape. This means this point
307 // is really a projection.
308 for (; anExp.More() && !isValid; anExp.Next()) {
309 TopoDS_Edge aCurEdge = TopoDS::Edge(anExp.Current());
311 if (aCurEdge.IsNull() == Standard_False) {
312 TopoDS_Vertex aVtx[2];
314 TopExp::Vertices(aCurEdge, aVtx[0], aVtx[1]);
316 for (int j = 0; j < 2; j++) {
317 if (aSupportShape.IsSame(aVtx[j])) {
318 // The current edge is a projection edge.
319 isValid = Standard_True;
320 aSupportShape = aCurEdge;
321 aParam = BRep_Tool::Parameter(aVtx[j], aCurEdge);
328 // Minimal distance to vertex is not always a real projection.
329 gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aPoint));
330 gp_Pnt aPrjPnt = BRep_Tool::Pnt(TopoDS::Vertex(aSupportShape));
331 gp_Vec aDProjP(aPrjPnt, aPnt);
333 for (; anExp.More() && !isValid; anExp.Next()) {
334 TopoDS_Edge aCurEdge = TopoDS::Edge(anExp.Current());
336 if (aCurEdge.IsNull() == Standard_False) {
337 TopoDS_Vertex aVtx[2];
339 TopExp::Vertices(aCurEdge, aVtx[0], aVtx[1]);
341 for (int j = 0; j < 2; j++) {
342 if (aSupportShape.IsSame(aVtx[j])) {
343 // Check if the point is a projection to the current edge.
344 Standard_Real anEdgePars[2];
345 Handle(Geom_Curve) aCurve =
346 BRep_Tool::Curve(aCurEdge, anEdgePars[0], anEdgePars[1]);
350 aParam = BRep_Tool::Parameter(aVtx[j], aCurEdge);
351 aCurve->D1(aParam, aVal, aD1);
353 if (Abs(aD1.Dot(aDProjP)) <= aTolAng) {
354 // The current edge is a projection edge.
355 isValid = Standard_True;
356 aSupportShape = aCurEdge;
368 if (hasValidSolution) {
369 Standard_ConstructionError::Raise
370 ("Projection aborted : multiple solutions");
373 // Store the valid solution.
374 hasValidSolution = Standard_True;
376 // Normalize parameter.
377 TopoDS_Edge aSupportEdge = TopoDS::Edge(aSupportShape);
378 Standard_Real aF, aL;
380 BRep_Tool::Range(aSupportEdge, aF, aL);
382 if (Abs(aL - aF) <= aTolConf) {
383 Standard_ConstructionError::Raise
384 ("Projection aborted : degenerated projection edge");
387 aParam = (aParam - aF)/(aL - aF);
390 // Compute edge index.
391 TopExp_Explorer anExp(aShape, TopAbs_EDGE);
394 for (; anExp.More(); anExp.Next(), anIndex++) {
395 if (aSupportShape.IsSame(anExp.Current())) {
396 aProj.SetIndex(anIndex);
402 Standard_ConstructionError::Raise
403 ("Projection aborted : Can't define edge index");
406 // Construct a projection vertex.
407 const gp_Pnt &aPntProj = aDistShSh.PointOnShape2(i);
408 TopoDS_Shape aProj = BRepBuilderAPI_MakeVertex(aPntProj).Shape();
410 aFunction->SetValue(aProj);
414 if (!hasValidSolution) {
415 Standard_ConstructionError::Raise("Projection aborted : no projection");
417 } else if (aType == PROJECTION_ON_CYLINDER) {
418 GEOMImpl_IProjOnCyl aProj (aFunction);
419 Handle(GEOM_Function) aShapeFunction = aProj.GetShape();
421 if (aShapeFunction.IsNull()) {
425 TopoDS_Shape aShape = aShapeFunction->GetValue();
427 if (aShape.IsNull()) {
432 const TopAbs_ShapeEnum aType = aShape.ShapeType();
433 const Standard_Real aRadius = aProj.GetRadius();
434 const Standard_Real aStartAngle = aProj.GetStartAngle();
435 const Standard_Real aLengthAngle = aProj.GetAngleLength();
436 const Standard_Real aRotationAngle = aProj.GetAngleRotation();
438 if (aType != TopAbs_WIRE && aType != TopAbs_FACE) {
442 if (aRadius <= Precision::Confusion()) {
446 TopoDS_Shape aProjShape = projectOnCylinder
447 (aShape, aRadius, aStartAngle, aLengthAngle, aRotationAngle);
449 if (aProjShape.IsNull()) {
453 aFunction->SetValue(aProjShape);
459 //================================================================================
461 * \brief Returns a name of creation operation and names and values of creation parameters
463 //================================================================================
465 bool GEOMImpl_ProjectionDriver::
466 GetCreationInformation(std::string& theOperationName,
467 std::vector<GEOM_Param>& theParams)
469 if (Label().IsNull()) return 0;
470 Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
472 Standard_Integer aType = function->GetType();
474 theOperationName = "PROJECTION";
477 case PROJECTION_COPY:
479 GEOMImpl_IMirror aCI( function );
481 AddParam( theParams, "Source object", aCI.GetOriginal() );
482 AddParam( theParams, "Target face", aCI.GetPlane() );
485 case PROJECTION_ON_WIRE:
487 GEOMImpl_IProjection aProj (function);
489 AddParam(theParams, "Point", aProj.GetPoint());
490 AddParam(theParams, "Shape", aProj.GetShape());
494 case PROJECTION_ON_CYLINDER:
496 theOperationName = "PROJ_ON_CYL";
498 GEOMImpl_IProjOnCyl aProj (function);
499 const Standard_Real aLengthAngle = aProj.GetAngleLength();
501 AddParam(theParams, "Shape", aProj.GetShape());
502 AddParam(theParams, "Radius", aProj.GetRadius());
503 AddParam(theParams, "Start angle", aProj.GetStartAngle());
505 if (aLengthAngle >= 0.) {
506 AddParam(theParams, "Length angle", aLengthAngle);
509 AddParam(theParams, "Rotation angle", aProj.GetAngleRotation());
520 //================================================================================
522 * \brief Performs projection of a planar wire or a face on a cylinder.
524 //================================================================================
526 TopoDS_Shape GEOMImpl_ProjectionDriver::projectOnCylinder
527 (const TopoDS_Shape &theShape,
528 const Standard_Real theRadius,
529 const Standard_Real theStartAngle,
530 const Standard_Real theAngleLength,
531 const Standard_Real theAngleRotation) const
533 TopoDS_Shape aResult;
536 const TopAbs_ShapeEnum aType = theShape.ShapeType();
539 if (aType == TopAbs_WIRE) {
540 // Try to create a planar face.
541 TopoDS_Wire aWire = TopoDS::Wire(theShape);
542 BRepBuilderAPI_MakeFace aMkFace(aWire, Standard_True);
544 if (aMkFace.IsDone()) {
545 aFace = aMkFace.Face();
547 // Check if the wire is a straight line.
548 TopExp_Explorer anEExp(aWire, TopAbs_EDGE);
551 for (; anEExp.More(); anEExp.Next()) {
552 anEdge = TopoDS::Edge(anEExp.Current());
554 if (!BRep_Tool::Degenerated(anEdge)) {
560 // Not degenerated edge found. Try to create a plane.
561 Standard_Real aPar[2];
562 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aPar[0], aPar[1]);
563 gp_Pnt aP0 = aCurve->Value(aPar[0]);
564 gp_Pnt aP1 = aCurve->Value(0.5*(aPar[1] + aPar[0]));
565 gp_Vec aX(aP1.XYZ().Subtracted(aP0.XYZ()));
566 Standard_Real aTolConf = Precision::Confusion();
568 if (aX.Magnitude() > aTolConf) {
571 // Get the plane normal ortogonal to Z axis.
572 gp_Vec aZ(0., 0., 1.);
573 gp_Vec aN = aX.Crossed(aZ);
575 if (aN.Magnitude() <= aTolConf) {
576 // aX is parallel to aZ. Get the plane normal ortogonal to Y axis.
577 gp_Vec aY(0., 1., 0.);
582 if (aN.Magnitude() > aTolConf) {
583 gp_Ax3 anAxis(aP0, gp_Dir(aN), gp_Dir(aX));
584 Handle(Geom_Plane) aPlane = new Geom_Plane(anAxis);
585 BRepBuilderAPI_MakeFace aMkFace(aPlane, aWire);
587 if (aMkFace.IsDone()) {
588 aFace = aMkFace.Face();
594 } else if (aType == TopAbs_FACE) {
595 aFace = TopoDS::Face(theShape);
598 if (aFace.IsNull()) {
602 // Compute 2d translation transformation.
603 TopoDS_Wire anOuterWire = BRepTools::OuterWire(aFace);
604 BRepTools_WireExplorer aOWExp(anOuterWire, aFace);
606 if (!aOWExp.More()) {
611 // Rotate 2D presentation of face.
612 TopoDS_Vertex aFirstVertex = aOWExp.CurrentVertex();
613 TopoDS_Edge aFirstEdge = aOWExp.Current();
614 gp_Pnt aPnt = BRep_Tool::Pnt(aFirstVertex);
615 BRepAdaptor_Curve2d anAdaptorCurve(aFirstEdge, aFace);
616 Standard_Real aParam =
617 BRep_Tool::Parameter(aFirstVertex, aFirstEdge, aFace);
620 gp_Vec2d aVecU0(1., 0);
622 anAdaptorCurve.D1(aParam, aPntUV, aVecUV);
624 if (aVecUV.Magnitude() <= gp::Resolution()) {
628 if (aFirstEdge.Orientation() == TopAbs_REVERSED) {
632 const Standard_Real anAngle = aVecUV.Angle(aVecU0) + theAngleRotation;
633 const Standard_Boolean isToRotate = Abs(anAngle) > Precision::Angular();
636 Standard_Real aPar[2];
639 aRotTrsf.SetRotation(aPntUV, anAngle);
642 for (; aOWExp.More(); aOWExp.Next()) {
643 TopoDS_Edge anEdge = aOWExp.Current();
644 Handle(Geom2d_Curve) aCurve =
645 BRep_Tool::CurveOnSurface(anEdge, aFace, aPar[0], aPar[1]);
647 if (aCurve.IsNull()) {
652 aCurve = Handle(Geom2d_Curve)::DownCast(aCurve->Transformed(aRotTrsf));
655 BndLib_Add2dCurve::Add(aCurve, aPar[0], aPar[1], 0., aUVBox);
661 aUVBox.Get(aU[0], aV[0], aU[1], aV[1]);
663 // Compute anisotropic transformation from a face's 2d space
664 // to cylinder's 2d space.
665 GEOMUtils::Trsf2d aTrsf2d
666 (1./theRadius, 0., theStartAngle - aU[0]/theRadius,
667 0., 1., aPnt.Z() - aPntUV.Y());
669 // Compute scaling trsf.
670 const Standard_Boolean isToScale = theAngleLength >= Precision::Angular();
671 gp_Trsf2d aScaleTrsf;
674 // Perform 2d scaling.
675 gp_Pnt2d aMidPnt(0.5*(aU[1] + aU[0]), 0.5*(aV[1] + aV[0]));
676 const Standard_Real aScaleFactor = theAngleLength*theRadius/(aU[1] - aU[0]);
678 aTrsf2d.TransformD0(aMidPnt);
680 aScaleTrsf.SetScale(aMidPnt, aScaleFactor);
683 // Get 2d presentation of a face.
684 Handle(Geom_Surface) aCylinder =
685 new Geom_CylindricalSurface(gp_Ax3(), theRadius);
686 GeomAdaptor_Surface aGACyl(aCylinder);
687 TopExp_Explorer anExp(aFace, TopAbs_WIRE);
688 TopTools_ListOfShape aWires;
689 Standard_Real aUResol = aGACyl.UResolution(Precision::Confusion());
690 Standard_Real aVResol = aGACyl.VResolution(Precision::Confusion());
692 for (; anExp.More(); anExp.Next()) {
693 TopoDS_Wire aWire = TopoDS::Wire(anExp.Current());
694 BRepTools_WireExplorer aWExp(aWire, aFace);
695 BRepBuilderAPI_MakeWire aMkWire;
697 for (; aWExp.More(); aWExp.Next()) {
698 TopoDS_Edge anEdge = aWExp.Current();
699 Handle(Geom2d_Curve) aCurve =
700 BRep_Tool::CurveOnSurface(anEdge, aFace, aPar[0], aPar[1]);
702 if (aCurve.IsNull()) {
707 aCurve = Handle(Geom2d_Curve)::DownCast(aCurve->Transformed(aRotTrsf));
710 // Transform the curve to cylinder's parametric space.
711 Handle(GEOMUtils::HTrsfCurve2d) aTrsfCurve =
712 new GEOMUtils::HTrsfCurve2d(aCurve, aPar[0], aPar[1], aTrsf2d);
713 Approx_Curve2d aConv (aTrsfCurve, aPar[0], aPar[1],
714 aUResol, aVResol, GeomAbs_C1,
717 if (!aConv.IsDone() && !aConv.HasResult()) {
721 Handle(Geom2d_Curve) aCylCurve = aConv.Curve();
724 aCylCurve->Transform(aScaleTrsf);
727 // Create edge and add it to the wire.
728 BRepBuilderAPI_MakeEdge aMkEdge(aCylCurve, aCylinder);
730 if (!aMkEdge.IsDone()) {
734 aMkWire.Add(aMkEdge.Edge());
736 if (!aMkWire.IsDone()) {
741 if (aWire.IsSame(anOuterWire)) {
742 // Make the outer wire first.
743 aWires.Prepend(aMkWire.Wire());
745 aWires.Append(aMkWire.Wire());
750 if (aWires.IsEmpty()) {
754 TopTools_ListIteratorOfListOfShape aWIter(aWires);
755 TopoDS_Wire aWire = TopoDS::Wire(aWIter.Value());
756 BRepBuilderAPI_MakeFace aMkFace(aCylinder, aWire);
758 if (!aMkFace.IsDone()) {
762 for (aWIter.Next(); aWIter.More(); aWIter.Next()) {
763 aWire = TopoDS::Wire(aWIter.Value());
766 if (!aMkFace.IsDone()) {
772 TopoDS_Face aCylFace = aMkFace.Face();
773 TopoDS_Shape aResShape;
775 BRepLib::BuildCurves3d(aCylFace);
778 if (aType == TopAbs_WIRE) {
779 TopExp_Explorer aResExp(aCylFace, TopAbs_WIRE);
781 if (aResExp.More()) {
782 aResShape = aResExp.Current();
785 aResShape = aCylFace;
788 if (aResShape.IsNull() == Standard_False) {
789 if (!GEOMUtils::CheckShape(aResShape, true)) {
790 if (!GEOMUtils::FixShapeTolerance(aResShape)) {
801 IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_ProjectionDriver,GEOM_BaseDriver);