- surf->Bounds( u1,u2,v1,v2 );
- myProjFace.Init(surf, u1,u2, v1,v2, myTol );
- myIsOutFun = & ElementsOnShape::Classifier::isOutOfFace;
+ if ( surf.IsNull() )
+ myIsOutFun = & ElementsOnShape::Classifier::isOutOfNone;
+ else
+ {
+ surf->Bounds( u1,u2,v1,v2 );
+ myProjFace.Init(surf, u1,u2, v1,v2, myTol );
+ myIsOutFun = & ElementsOnShape::Classifier::isOutOfFace;
+ }