From: AGV <>
Date: Fri, 17 Feb 2012 12:24:55 +0000 (+0000)
Subject: 0022694: Wrong result obtained after GeomLib::ExtendSurfByLength
X-Git-Tag: V6_5_3_beta1~82
X-Git-Url: http://git.dev.opencascade.org/gitweb/?p=occt.git;a=commitdiff_plain;h=47c580a75f002a6517b4108c5821870561df9cc3

0022694: Wrong result obtained after GeomLib::ExtendSurfByLength
---

diff --git a/src/GeomLib/GeomLib.cxx b/src/GeomLib/GeomLib.cxx
index 7c51d697ab..d9627cd1f0 100755
--- a/src/GeomLib/GeomLib.cxx
+++ b/src/GeomLib/GeomLib.cxx
@@ -1455,8 +1455,10 @@ void GeomLib::ExtendSurfByLength(Handle(Geom_BoundedSurface)& Surface,
   }     
 
 
-  Standard_Boolean rational = ( InU && BS->IsURational() ) 
-                                  || ( !InU && BS->IsVRational() ) ;
+// IFV Fix OCC bug 0022694 - wrong result extrapolating rational surfaces
+//   Standard_Boolean rational = ( InU && BS->IsURational() ) 
+//                                   || ( !InU && BS->IsVRational() ) ;
+  Standard_Boolean rational = (BS->IsURational() ||  BS->IsVRational());
   Standard_Boolean NullWeight;
    Standard_Real EpsW = 10*Precision::PConfusion();
   Standard_Integer gap = 3;