0024586: Pipe construction is failed

Test case for issue CR24586

diff --git a/src/BRepFill/BRepFill_Pipe.cxx b/src/BRepFill/BRepFill_Pipe.cxx
index 034fcf247a99ce207b5dea002d7768506f01e212..aa1f80b8688a99ccf5be4950abb3d5847a5d68ef 100644 (file)
--- a/src/BRepFill/BRepFill_Pipe.cxx
+++ b/src/BRepFill/BRepFill_Pipe.cxx
@@ -53,6 +53,7 @@
 #include <Geom_OffsetCurve.hxx>
 #include <Geom_BSplineCurve.hxx>
 #include <BRepBuilderAPI_Transform.hxx>
+#include <BRepBuilderAPI_Copy.hxx>
 #include <TopTools_SequenceOfShape.hxx>
 #include <BRepLib.hxx>
 
@@ -60,11 +61,42 @@
 #include <GeomAdaptor_HSurface.hxx>
 #include <Adaptor3d_CurveOnSurface.hxx>
 
+#include <ShapeUpgrade_RemoveLocations.hxx>
+
 #ifdef DRAW
 #include <DBRep.hxx>
 static Standard_Boolean Affich = 0;
 #endif
 
+static void ReverseModifiedEdges(TopoDS_Shape& aShape,
+                                 TopTools_MapOfShape& Emap)
+{
+  TopExp_Explorer Explo(aShape, TopAbs_FACE);
+  BRep_Builder BB;
+  for (; Explo.More(); Explo.Next())
+  {
+    TopoDS_Shape aFace = Explo.Current();
+    TopoDS_Iterator itf(aFace);
+    for (; itf.More(); itf.Next())
+    {
+      TopoDS_Shape aWire = itf.Value();
+      TopTools_SequenceOfShape ModEdges;
+      TopoDS_Iterator itw(aWire);
+      for (; itw.More(); itw.Next())
+      {
+        TopoDS_Shape anEdge = itw.Value();
+        if (Emap.Contains(anEdge))
+          ModEdges.Append(anEdge);
+      }
+      aWire.Free(Standard_True);
+      for (Standard_Integer ii = 1; ii <= ModEdges.Length(); ii++)
+      {
+        BB.Remove(aWire, ModEdges(ii));
+        BB.Add(aWire, ModEdges(ii).Reversed());
+      }
+    }
+  }
+}
 
 static void UpdateTolFromTopOrBottomPCurve(const TopoDS_Face& aFace,
                                            TopoDS_Edge& anEdge)
@@ -237,6 +269,18 @@ void BRepFill_Pipe::Perform(const TopoDS_Wire&  Spine,
     myFirst = BRepBuilderAPI_Transform(myProfile, fila, Standard_True); //copy
   }
 
+  ShapeUpgrade_RemoveLocations RemLoc;
+  RemLoc.Remove(myFirst);
+  myFirst = RemLoc.GetResult();
+  TopLoc_Location theLoc = myFirst.Location();
+  if (!theLoc.IsIdentity())
+  {
+    TopoDS_Shape NewMyFirst = BRepBuilderAPI_Copy(myFirst);
+    TopLoc_Location theIdentity;
+    NewMyFirst.Location(theIdentity);
+    myFirst = BRepBuilderAPI_Transform(NewMyFirst, theLoc.Transformation());
+  }
+  
   myLoc->Law(myLoc->NbLaw())->GetDomain(first, last);
   myLoc->Law(myLoc->NbLaw())->D0(last,M, V);
 //    try { // Not good, but there are no other means to test SetValues
@@ -256,6 +300,18 @@ void BRepFill_Pipe::Perform(const TopoDS_Wire&  Spine,
   else {
     myLast = myFirst;
   }
+
+  RemLoc.Remove(myLast);
+  myLast = RemLoc.GetResult();
+  theLoc = myLast.Location();
+  if (!theLoc.IsIdentity())
+  {
+    TopoDS_Shape NewMyLast = BRepBuilderAPI_Copy(myLast);
+    TopLoc_Location theIdentity;
+    NewMyLast.Location(theIdentity);
+    myLast = BRepBuilderAPI_Transform(NewMyLast, theLoc.Transformation());
+  }
+  
 #if DRAW
   if (Affich) {
     DBRep::Set("theprof",  TheProf);
@@ -595,6 +651,9 @@ TopoDS_Shape BRepFill_Pipe::MakeShape(const TopoDS_Shape& S,
       MkSw.Build( myReversedEdges, myTapes,
                   BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
       result = MkSw.Shape();
+      //Correct <myFirst> and <myLast>
+      ReverseModifiedEdges(myFirst, myReversedEdges);
+      ReverseModifiedEdges(myLast, myReversedEdges);
 
       // Labeling of elements
       if (mySections.IsNull()) {

diff --git a/src/BRepFill/BRepFill_Sweep.cxx b/src/BRepFill/BRepFill_Sweep.cxx
index 09907ffc48db427a8feded3aeb9264fcdbacffac..c2d13574e5985ce2e3a082246adf7a2a83eed1e5 100644 (file)
--- a/src/BRepFill/BRepFill_Sweep.cxx
+++ b/src/BRepFill/BRepFill_Sweep.cxx
@@ -2066,26 +2066,6 @@ BRepFill_Sweep::BRepFill_Sweep(const Handle(BRepFill_SectionLaw)& Section,
   Standard_Boolean exuv, singu, singv;
   Handle(Geom_Surface) S;
 
-  // Preprocessing: correct <FirstShape> if the profile is shell
-  if (!ReversedEdges.IsEmpty())
-  {
-    TopTools_SequenceOfShape EdgesToReverse;
-    TopoDS_Iterator itw(FirstShape);
-    for (; itw.More(); itw.Next())
-    {
-      const TopoDS_Shape& anEdge = itw.Value();
-      if (ReversedEdges.Contains(anEdge))
-        EdgesToReverse.Append(anEdge);
-    }
-    FirstShape.Free(Standard_True);
-    for (Standard_Integer i = 1; i <= EdgesToReverse.Length(); i++)
-    {
-      B.Remove(FirstShape, EdgesToReverse(i));
-      EdgesToReverse(i).Reverse();
-      B.Add(FirstShape, EdgesToReverse(i));
-    }
-  }
-
   // (2.0) return preexisting Edges and vertices
   TopoDS_Edge E;
   TColStd_Array1OfBoolean IsBuilt(1, NbLaw);
@@ -2296,6 +2276,7 @@ BRepFill_Sweep::BRepFill_Sweep(const Handle(BRepFill_SectionLaw)& Section,
 
  
   // ---------- Creation of Vertex and edge ------------
+  ReversedEdges.Clear();
   for (ipath=1, IPath=IFirst; ipath<=NbPath; 
        ipath++, IPath++) {
     for (isec=1; isec <=NbLaw; isec++) {

diff --git a/tests/bugs/modalg_5/bug24586 b/tests/bugs/modalg_5/bug24586
new file mode 100755 (executable)
index 0000000..b3e7033
--- /dev/null
+++ b/tests/bugs/modalg_5/bug24586
@@ -0,0 +1,24 @@
+puts "============"
+puts "OCC24586"
+puts "============"
+puts ""
+#######################################################################
+# Pipe construction is failed
+#######################################################################
+
+restore [locate_data_file bug24586_base.brep] base 
+restore [locate_data_file bug24586_path.brep] path 
+
+pipe result path base
+
+set nb_v_good 164
+set nb_e_good 379
+set nb_w_good 240
+set nb_f_good 240
+set nb_sh_good 24
+set nb_sol_good 24
+set nb_compsol_good 0
+set nb_compound_good 1
+set nb_shape_good 1072
+
+set 2dviewer 1