X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FHYDROCurveCreator%2FCurveCreator_Utils.cxx;h=7be2d6b379927d604455637c003b95cf18f3bb6d;hb=8e79913fc37eacbd1edf9dc08632b6f8bc7250d8;hp=322d856e523dc247d833bfe7f8774d38c5466602;hpb=f67e303313c1227a5934608ed3d8e4cc2f98c7f7;p=modules%2Fhydro.git

diff --git a/src/HYDROCurveCreator/CurveCreator_Utils.cxx b/src/HYDROCurveCreator/CurveCreator_Utils.cxx
index 322d856e..7be2d6b3 100644
--- a/src/HYDROCurveCreator/CurveCreator_Utils.cxx
+++ b/src/HYDROCurveCreator/CurveCreator_Utils.cxx
@@ -225,7 +225,13 @@ void CurveCreator_Utils::constructShape( const CurveCreator_ICurve* theCurve,
         // compute BSpline
         Handle(Geom_BSplineCurve) aBSplineCurve;
         GeomAPI_Interpolate aGBC(aHCurvePoints, aSectIsClosed, gp::Resolution());
-        aGBC.Load(aTangents, aTangentFlags);
+        // correct the spline degree to be as 3 for non-periodic spline if number of points
+        // less than 3. It is need to have a knot in each spline point. This knots are used
+        // to found a neighbour points when a new point is inserted between two existing.
+        if (!aSectIsClosed ) {
+          if (aHCurvePoints->Length() == 3)
+            aGBC.Load(aTangents, aTangentFlags);
+        }
 
         aGBC.Perform();
         if ( aGBC.IsDone() )