From: jfa <jfa@opencascade.com>
Date: Fri, 3 Nov 2006 09:05:46 +0000 (+0000)
Subject: PAL12612: Partition failed. Fix: set approximation parameter of boolean operation... 
X-Git-Tag: V3_2_3pre2~4
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=2b5a1ab419098ec231ea3d36bafebc96b475d85b;p=modules%2Fgeom.git

PAL12612: Partition failed. Fix: set approximation parameter of boolean operation SECTION to 'true' to have smooth BSpline curves for new edges, where analytic curve is not possible.
---

diff --git a/src/GEOMImpl/GEOMImpl_BooleanDriver.cxx b/src/GEOMImpl/GEOMImpl_BooleanDriver.cxx
index 045ca5ade..2a7c71386 100644
--- a/src/GEOMImpl/GEOMImpl_BooleanDriver.cxx
+++ b/src/GEOMImpl/GEOMImpl_BooleanDriver.cxx
@@ -257,7 +257,13 @@ Standard_Integer GEOMImpl_BooleanDriver::Execute(TFunction_Logbook& log) const
         TopTools_ListIteratorOfListOfShape itSub2 (listShape2);
         for (; itSub2.More(); itSub2.Next()) {
           TopoDS_Shape aValue2 = itSub2.Value();
-          BRepAlgoAPI_Section BO (aValue1, aValue2);
+          BRepAlgoAPI_Section BO (aValue1, aValue2, Standard_False);
+          // Set approximation to have an attached 3D BSpline geometry to each edge,
+          // where analytic curve is not possible. Without this flag in some cases
+          // we obtain BSpline curve of degree 1 (C0), which is slowly
+          // processed by some algorithms (Partition for example).
+          BO.Approximation(Standard_True);
+          BO.Build();
           if (!BO.IsDone()) {
             StdFail_NotDone::Raise("Section operation can not be performed on the given shapes");
           }