Applies To
	Product(s):	MicroStation
	Version(s):	N\A
	Environment:	N\A
	Area:	Text
	Subarea:	General
	Original Author:	Jin Long Yuan, Bentley Technical Support Group

Problem

When exporting visible edges for a big (large) model, there will be exception

Solution

Workaround method for big/large model export visible edges:

1. place serveral block shaps to divide the view to diifferent areas
2. use clip volume on one shape
3. export visible edges for the clip volume contents
4. user clip volume on other block shapes, and export visible edges one by one.
5. merge those exported edges file to one file