0024601: Unwanted spheres shown after Step-Import

Add check for outer boundary before creating wire from Vertex Loop on spheres.
Test case for issue CR24601

diff --git a/src/StepToTopoDS/StepToTopoDS_TranslateFace.cxx b/src/StepToTopoDS/StepToTopoDS_TranslateFace.cxx
index 4a8d6e827feb3d59807913a51c9dca787cee936f..116bc2b4dd654c9c3684d648db38fd06f6c0115e 100644 (file)
--- a/src/StepToTopoDS/StepToTopoDS_TranslateFace.cxx
+++ b/src/StepToTopoDS/StepToTopoDS_TranslateFace.cxx
@@ -221,6 +221,12 @@ void StepToTopoDS_TranslateFace::Init
 //  Standard_Boolean fautcoudre =
 //    ( (NbBnd == 2) && (GeomSurf->IsUClosed() || GeomSurf->IsVClosed()) );
 
+  Standard_Boolean isExistOuter = Standard_False;
+  for (Standard_Integer i = 1; i <= NbBnd; i++) {
+    FaceBound = FS->BoundsValue(i);
+    if (FaceBound->IsKind(STANDARD_TYPE(StepShape_FaceOuterBound)))
+      isExistOuter = Standard_True;
+  }
   for (Standard_Integer i = 1; i <= NbBnd; i ++) {
 
 #ifdef OCCT_DEBUG
@@ -244,9 +250,11 @@ void StepToTopoDS_TranslateFace::Init
       if (GeomSurf->IsKind (STANDARD_TYPE(Geom_SphericalSurface)) ||
           GeomSurf->IsKind (STANDARD_TYPE(Geom_BSplineSurface)) )
       {
-        BRepBuilderAPI_MakeFace mf (GeomSurf, Precision());
-        for (TopoDS_Iterator it(mf); it.More(); it.Next()) 
-          B.Add (F, it.Value());
+        if (!isExistOuter || FaceBound->IsKind(STANDARD_TYPE(StepShape_FaceOuterBound))) {
+          BRepBuilderAPI_MakeFace mf (GeomSurf, Precision());
+          for (TopoDS_Iterator it(mf); it.More(); it.Next()) 
+            B.Add (F, it.Value());
+        }
 
         continue;
       }

diff --git a/tests/bugs/step/bug24601 b/tests/bugs/step/bug24601
new file mode 100644 (file)
index 0000000..60fa60f
--- /dev/null
+++ b/tests/bugs/step/bug24601
@@ -0,0 +1,24 @@
+puts "============"
+puts "OCC24601"
+puts "============"
+puts ""
+#####################################################
+# Unwanted spheres shown after Step-Import
+#####################################################
+
+stepread [locate_data_file bug24601_216523_2_03.stp] a *
+tpcompound result
+
+set square 38563.2
+
+set nb_v_good 150
+set nb_e_good 228
+set nb_w_good 135
+set nb_f_good 105
+set nb_sh_good 2
+set nb_sol_good 2
+set nb_compsol_good 0
+set nb_compound_good 2
+set nb_shape_good 624
+
+set 3dviewer 1