1 // Copyright (C) 2007-2022 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");
244 if (anOriginal.ShapeType() == TopAbs_WIRE) {
245 // Make wire from resulting compound (Mantis issue 0023497)
246 TopTools_ListOfShape anEdgesList;
247 for (; anIter.More(); anIter.Next()) {
248 anEdgesList.Append(anIter.Value());
250 BRepBuilderAPI_MakeWire aMkWire;
251 aMkWire.Add(anEdgesList);
252 if (aMkWire.IsDone())
253 aShape = aMkWire.Wire();
258 if (aShape.IsNull()) return 0;
260 aFunction->SetValue(aShape);
261 log->SetTouched(Label());
262 } else if (aType == PROJECTION_ON_WIRE) {
263 // Perform projection of point on a wire or an edge.
264 GEOMImpl_IProjection aProj (aFunction);
265 Handle(GEOM_Function) aPointFunction = aProj.GetPoint();
266 Handle(GEOM_Function) aShapeFunction = aProj.GetShape();
268 if (aPointFunction.IsNull() || aShapeFunction.IsNull()) {
272 TopoDS_Shape aPoint = aPointFunction->GetValue();
273 TopoDS_Shape aShape = aShapeFunction->GetValue();
275 if (aPoint.IsNull() || aShape.IsNull()) {
279 // Check shape types.
280 if (aPoint.ShapeType() != TopAbs_VERTEX) {
281 Standard_ConstructionError::Raise
282 ("Projection aborted : the point is not a vertex");
285 if (aShape.ShapeType() != TopAbs_EDGE &&
286 aShape.ShapeType() != TopAbs_WIRE) {
287 Standard_ConstructionError::Raise
288 ("Projection aborted : the shape is neither an edge nor a wire");
291 // Perform projection.
292 BRepExtrema_DistShapeShape aDistShSh(aPoint, aShape, Extrema_ExtFlag_MIN);
294 if (aDistShSh.IsDone() == Standard_False) {
295 Standard_ConstructionError::Raise("Projection not done");
298 Standard_Boolean hasValidSolution = Standard_False;
299 Standard_Integer aNbSolutions = aDistShSh.NbSolution();
302 Standard_Real aTolConf = BRep_Tool::Tolerance(TopoDS::Vertex(aPoint));
303 Standard_Real aTolAng = 1.e-4;
305 for (i = 1; i <= aNbSolutions; i++) {
306 Standard_Boolean isValid = Standard_False;
307 BRepExtrema_SupportType aSupportType = aDistShSh.SupportTypeShape2(i);
308 TopoDS_Shape aSupportShape = aDistShSh.SupportOnShape2(i);
310 if (aSupportType == BRepExtrema_IsOnEdge) {
311 // Minimal distance inside edge is really a projection.
312 isValid = Standard_True;
313 aDistShSh.ParOnEdgeS2(i, aParam);
314 } else if (aSupportType == BRepExtrema_IsVertex) {
315 TopExp_Explorer anExp(aShape, TopAbs_EDGE);
317 if (aDistShSh.Value() <= aTolConf) {
318 // The point lies on the shape. This means this point
319 // is really a projection.
320 for (; anExp.More() && !isValid; anExp.Next()) {
321 TopoDS_Edge aCurEdge = TopoDS::Edge(anExp.Current());
323 if (aCurEdge.IsNull() == Standard_False) {
324 TopoDS_Vertex aVtx[2];
326 TopExp::Vertices(aCurEdge, aVtx[0], aVtx[1]);
328 for (int j = 0; j < 2; j++) {
329 if (aSupportShape.IsSame(aVtx[j])) {
330 // The current edge is a projection edge.
331 isValid = Standard_True;
332 aSupportShape = aCurEdge;
333 aParam = BRep_Tool::Parameter(aVtx[j], aCurEdge);
340 // Minimal distance to vertex is not always a real projection.
341 gp_Pnt aPnt = BRep_Tool::Pnt(TopoDS::Vertex(aPoint));
342 gp_Pnt aPrjPnt = BRep_Tool::Pnt(TopoDS::Vertex(aSupportShape));
343 gp_Vec aDProjP(aPrjPnt, aPnt);
345 for (; anExp.More() && !isValid; anExp.Next()) {
346 TopoDS_Edge aCurEdge = TopoDS::Edge(anExp.Current());
348 if (aCurEdge.IsNull() == Standard_False) {
349 TopoDS_Vertex aVtx[2];
351 TopExp::Vertices(aCurEdge, aVtx[0], aVtx[1]);
353 for (int j = 0; j < 2; j++) {
354 if (aSupportShape.IsSame(aVtx[j])) {
355 // Check if the point is a projection to the current edge.
356 Standard_Real anEdgePars[2];
357 Handle(Geom_Curve) aCurve =
358 BRep_Tool::Curve(aCurEdge, anEdgePars[0], anEdgePars[1]);
362 aParam = BRep_Tool::Parameter(aVtx[j], aCurEdge);
363 aCurve->D1(aParam, aVal, aD1);
365 if (Abs(aD1.Dot(aDProjP)) <= aTolAng) {
366 // The current edge is a projection edge.
367 isValid = Standard_True;
368 aSupportShape = aCurEdge;
380 if (hasValidSolution) {
381 Standard_ConstructionError::Raise
382 ("Projection aborted : multiple solutions");
385 // Store the valid solution.
386 hasValidSolution = Standard_True;
388 // Normalize parameter.
389 TopoDS_Edge aSupportEdge = TopoDS::Edge(aSupportShape);
390 Standard_Real aF, aL;
392 BRep_Tool::Range(aSupportEdge, aF, aL);
394 if (Abs(aL - aF) <= aTolConf) {
395 Standard_ConstructionError::Raise
396 ("Projection aborted : degenerated projection edge");
399 aParam = (aParam - aF)/(aL - aF);
402 // Compute edge index.
403 TopExp_Explorer anExp(aShape, TopAbs_EDGE);
406 for (; anExp.More(); anExp.Next(), anIndex++) {
407 if (aSupportShape.IsSame(anExp.Current())) {
408 aProj.SetIndex(anIndex);
414 Standard_ConstructionError::Raise
415 ("Projection aborted : Can't define edge index");
418 // Construct a projection vertex.
419 const gp_Pnt &aPntProj = aDistShSh.PointOnShape2(i);
420 TopoDS_Shape aProj = BRepBuilderAPI_MakeVertex(aPntProj).Shape();
422 aFunction->SetValue(aProj);
426 if (!hasValidSolution) {
427 Standard_ConstructionError::Raise("Projection aborted : no projection");
429 } else if (aType == PROJECTION_ON_CYLINDER) {
430 GEOMImpl_IProjOnCyl aProj (aFunction);
431 Handle(GEOM_Function) aShapeFunction = aProj.GetShape();
433 if (aShapeFunction.IsNull()) {
437 TopoDS_Shape aShape = aShapeFunction->GetValue();
439 if (aShape.IsNull()) {
444 const TopAbs_ShapeEnum aType = aShape.ShapeType();
445 const Standard_Real aRadius = aProj.GetRadius();
446 const Standard_Real aStartAngle = aProj.GetStartAngle();
447 const Standard_Real aLengthAngle = aProj.GetAngleLength();
448 const Standard_Real aRotationAngle = aProj.GetAngleRotation();
450 if (aType != TopAbs_WIRE && aType != TopAbs_FACE) {
454 if (aRadius <= Precision::Confusion()) {
458 TopoDS_Shape aProjShape = projectOnCylinder
459 (aShape, aRadius, aStartAngle, aLengthAngle, aRotationAngle);
461 if (aProjShape.IsNull()) {
465 aFunction->SetValue(aProjShape);
471 //================================================================================
473 * \brief Returns a name of creation operation and names and values of creation parameters
475 //================================================================================
477 bool GEOMImpl_ProjectionDriver::
478 GetCreationInformation(std::string& theOperationName,
479 std::vector<GEOM_Param>& theParams)
481 if (Label().IsNull()) return 0;
482 Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
484 Standard_Integer aType = function->GetType();
486 theOperationName = "PROJECTION";
489 case PROJECTION_COPY:
491 GEOMImpl_IMirror aCI( function );
493 AddParam( theParams, "Source object", aCI.GetOriginal() );
494 AddParam( theParams, "Target face", aCI.GetPlane() );
497 case PROJECTION_ON_WIRE:
499 GEOMImpl_IProjection aProj (function);
501 AddParam(theParams, "Point", aProj.GetPoint());
502 AddParam(theParams, "Shape", aProj.GetShape());
506 case PROJECTION_ON_CYLINDER:
508 theOperationName = "PROJ_ON_CYL";
510 GEOMImpl_IProjOnCyl aProj (function);
511 const Standard_Real aLengthAngle = aProj.GetAngleLength();
513 AddParam(theParams, "Shape", aProj.GetShape());
514 AddParam(theParams, "Radius", aProj.GetRadius());
515 AddParam(theParams, "Start angle", aProj.GetStartAngle());
517 if (aLengthAngle >= 0.) {
518 AddParam(theParams, "Length angle", aLengthAngle);
521 AddParam(theParams, "Rotation angle", aProj.GetAngleRotation());
532 //================================================================================
534 * \brief Performs projection of a planar wire or a face on a cylinder.
536 //================================================================================
538 TopoDS_Shape GEOMImpl_ProjectionDriver::projectOnCylinder
539 (const TopoDS_Shape &theShape,
540 const Standard_Real theRadius,
541 const Standard_Real theStartAngle,
542 const Standard_Real theAngleLength,
543 const Standard_Real theAngleRotation) const
545 TopoDS_Shape aResult;
548 const TopAbs_ShapeEnum aType = theShape.ShapeType();
551 if (aType == TopAbs_WIRE) {
552 // Try to create a planar face.
553 TopoDS_Wire aWire = TopoDS::Wire(theShape);
554 BRepBuilderAPI_MakeFace aMkFace(aWire, Standard_True);
556 if (aMkFace.IsDone()) {
557 aFace = aMkFace.Face();
559 // Check if the wire is a straight line.
560 TopExp_Explorer anEExp(aWire, TopAbs_EDGE);
563 for (; anEExp.More(); anEExp.Next()) {
564 anEdge = TopoDS::Edge(anEExp.Current());
566 if (!BRep_Tool::Degenerated(anEdge)) {
572 // Not degenerated edge found. Try to create a plane.
573 Standard_Real aPar[2];
574 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aPar[0], aPar[1]);
575 gp_Pnt aP0 = aCurve->Value(aPar[0]);
576 gp_Pnt aP1 = aCurve->Value(0.5*(aPar[1] + aPar[0]));
577 gp_Vec aX(aP1.XYZ().Subtracted(aP0.XYZ()));
578 Standard_Real aTolConf = Precision::Confusion();
580 if (aX.Magnitude() > aTolConf) {
583 // Get the plane normal ortogonal to Z axis.
584 gp_Vec aZ(0., 0., 1.);
585 gp_Vec aN = aX.Crossed(aZ);
587 if (aN.Magnitude() <= aTolConf) {
588 // aX is parallel to aZ. Get the plane normal ortogonal to Y axis.
589 gp_Vec aY(0., 1., 0.);
594 if (aN.Magnitude() > aTolConf) {
595 gp_Ax3 anAxis(aP0, gp_Dir(aN), gp_Dir(aX));
596 Handle(Geom_Plane) aPlane = new Geom_Plane(anAxis);
597 BRepBuilderAPI_MakeFace aMkFace(aPlane, aWire);
599 if (aMkFace.IsDone()) {
600 aFace = aMkFace.Face();
606 } else if (aType == TopAbs_FACE) {
607 aFace = TopoDS::Face(theShape);
610 if (aFace.IsNull()) {
614 // Compute 2d translation transformation.
615 TopoDS_Wire anOuterWire = BRepTools::OuterWire(aFace);
616 BRepTools_WireExplorer aOWExp(anOuterWire, aFace);
618 if (!aOWExp.More()) {
623 // Rotate 2D presentation of face.
624 TopoDS_Vertex aFirstVertex = aOWExp.CurrentVertex();
625 TopoDS_Edge aFirstEdge = aOWExp.Current();
626 gp_Pnt aPnt = BRep_Tool::Pnt(aFirstVertex);
627 BRepAdaptor_Curve2d anAdaptorCurve(aFirstEdge, aFace);
628 Standard_Real aParam =
629 BRep_Tool::Parameter(aFirstVertex, aFirstEdge, aFace);
632 gp_Vec2d aVecU0(1., 0);
634 anAdaptorCurve.D1(aParam, aPntUV, aVecUV);
636 if (aVecUV.Magnitude() <= gp::Resolution()) {
640 if (aFirstEdge.Orientation() == TopAbs_REVERSED) {
644 const Standard_Real anAngle = aVecUV.Angle(aVecU0) + theAngleRotation;
645 const Standard_Boolean isToRotate = Abs(anAngle) > Precision::Angular();
648 Standard_Real aPar[2];
651 aRotTrsf.SetRotation(aPntUV, anAngle);
654 for (; aOWExp.More(); aOWExp.Next()) {
655 TopoDS_Edge anEdge = aOWExp.Current();
656 Handle(Geom2d_Curve) aCurve =
657 BRep_Tool::CurveOnSurface(anEdge, aFace, aPar[0], aPar[1]);
659 if (aCurve.IsNull()) {
664 aCurve = Handle(Geom2d_Curve)::DownCast(aCurve->Transformed(aRotTrsf));
667 BndLib_Add2dCurve::Add(aCurve, aPar[0], aPar[1], 0., aUVBox);
673 aUVBox.Get(aU[0], aV[0], aU[1], aV[1]);
675 // Compute anisotropic transformation from a face's 2d space
676 // to cylinder's 2d space.
677 GEOMUtils::Trsf2d aTrsf2d
678 (1./theRadius, 0., theStartAngle - aU[0]/theRadius,
679 0., 1., aPnt.Z() - aPntUV.Y());
681 // Compute scaling trsf.
682 const Standard_Boolean isToScale = theAngleLength >= Precision::Angular();
683 gp_Trsf2d aScaleTrsf;
686 // Perform 2d scaling.
687 gp_Pnt2d aMidPnt(0.5*(aU[1] + aU[0]), 0.5*(aV[1] + aV[0]));
688 const Standard_Real aScaleFactor = theAngleLength*theRadius/(aU[1] - aU[0]);
690 aTrsf2d.TransformD0(aMidPnt);
692 aScaleTrsf.SetScale(aMidPnt, aScaleFactor);
695 // Get 2d presentation of a face.
696 Handle(Geom_Surface) aCylinder =
697 new Geom_CylindricalSurface(gp_Ax3(), theRadius);
698 GeomAdaptor_Surface aGACyl(aCylinder);
699 TopExp_Explorer anExp(aFace, TopAbs_WIRE);
700 TopTools_ListOfShape aWires;
701 Standard_Real aUResol = aGACyl.UResolution(Precision::Confusion());
702 Standard_Real aVResol = aGACyl.VResolution(Precision::Confusion());
704 for (; anExp.More(); anExp.Next()) {
705 TopoDS_Wire aWire = TopoDS::Wire(anExp.Current());
706 BRepTools_WireExplorer aWExp(aWire, aFace);
707 BRepBuilderAPI_MakeWire aMkWire;
709 for (; aWExp.More(); aWExp.Next()) {
710 TopoDS_Edge anEdge = aWExp.Current();
711 Handle(Geom2d_Curve) aCurve =
712 BRep_Tool::CurveOnSurface(anEdge, aFace, aPar[0], aPar[1]);
714 if (aCurve.IsNull()) {
719 aCurve = Handle(Geom2d_Curve)::DownCast(aCurve->Transformed(aRotTrsf));
722 // Transform the curve to cylinder's parametric space.
723 Handle(GEOMUtils::HTrsfCurve2d) aTrsfCurve =
724 new GEOMUtils::HTrsfCurve2d(aCurve, aPar[0], aPar[1], aTrsf2d);
725 Approx_Curve2d aConv (aTrsfCurve, aPar[0], aPar[1],
726 aUResol, aVResol, GeomAbs_C1,
729 if (!aConv.IsDone() && !aConv.HasResult()) {
733 Handle(Geom2d_Curve) aCylCurve = aConv.Curve();
736 aCylCurve->Transform(aScaleTrsf);
739 // Create edge and add it to the wire.
740 BRepBuilderAPI_MakeEdge aMkEdge(aCylCurve, aCylinder);
742 if (!aMkEdge.IsDone()) {
746 aMkWire.Add(aMkEdge.Edge());
748 if (!aMkWire.IsDone()) {
753 if (aWire.IsSame(anOuterWire)) {
754 // Make the outer wire first.
755 aWires.Prepend(aMkWire.Wire());
757 aWires.Append(aMkWire.Wire());
762 if (aWires.IsEmpty()) {
766 TopTools_ListIteratorOfListOfShape aWIter(aWires);
767 TopoDS_Wire aWire = TopoDS::Wire(aWIter.Value());
768 BRepBuilderAPI_MakeFace aMkFace(aCylinder, aWire);
770 if (!aMkFace.IsDone()) {
774 for (aWIter.Next(); aWIter.More(); aWIter.Next()) {
775 aWire = TopoDS::Wire(aWIter.Value());
778 if (!aMkFace.IsDone()) {
784 TopoDS_Face aCylFace = aMkFace.Face();
785 TopoDS_Shape aResShape;
787 BRepLib::BuildCurves3d(aCylFace);
790 if (aType == TopAbs_WIRE) {
791 TopExp_Explorer aResExp(aCylFace, TopAbs_WIRE);
793 if (aResExp.More()) {
794 aResShape = aResExp.Current();
797 aResShape = aCylFace;
800 if (aResShape.IsNull() == Standard_False) {
801 if (!GEOMUtils::CheckShape(aResShape, true)) {
802 if (!GEOMUtils::FixShapeTolerance(aResShape)) {
813 IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_ProjectionDriver,GEOM_BaseDriver)