BuildingCoder.CmdWallProfileArea.GetTransformToZ C# (CSharp) Method

        Transform GetTransformToZ( XYZ v )
        {
            Transform t;

              double a = XYZ.BasisZ.AngleTo( v );

              if( Util.IsZero( a ) )
              {
            t = Transform.Identity;
              }
              else
              {
            XYZ axis = Util.IsEqual( a, Math.PI )
              ? XYZ.BasisX
              : v.CrossProduct( XYZ.BasisZ );

            //t = Transform.get_Rotation( XYZ.Zero, axis, a ); // 2013
            t = Transform.CreateRotation( axis, a ); // 2014
              }
              return t;
        }