Surface Properties
Definition Tab
Expand the Build options
Change the "Copy deleted dependent objects" field to Yes.
From the help file:
Specifies whether a drawing object is copied to the surface definition item
if the object is deleted:
a.. Yes: Copies the drawing object data to the surface definition if the
drawing object data is deleted. When a surface boundary, breakline, or point
group is added to a surface, the surface definition stores the Object ID. If
the drawing object, such as the original polyline used to define the surface
boundary, is deleted from the drawing, the coordinates of the polyline
vertices are copied into the surface definition and saved. Thus, the surface
boundary definition is not lost from the surface definition.
b.. No: Deletes the surface boundary, breakline, or point group definition
if the drawing object is deleted. The definition item is removed from the
surface definition when the surface is rebuilt.
HTH
--
James Wedding, P.E.
Technology Manager &
Associate
Jones & Boyd, Inc.
Dallas, TX
XP/2 on P4-3.4/1G
LDT2005+C3D2005