Using the Boundary Trim command, you can specify a closed boundary as a trimming edge for a selected set of objects. You can use this option to trim objects inside or outside a boundary. Use Boundary Trim to quickly clear a circular or rectilinear area in a complex map in order to insert a legend or label.
This command works on drawing objects only. For information about editing geospatial feature data, see Using Feature Editing Commands and Using AutoCAD Commands on Features. For information about AutoCAD commands, see the AutoCAD Help.
You can use this command to enhance plotted maps. After trimming objects inside an area, you can add text that will not be obscured.
You can use a boundary to trim all objects inside the boundary or outside the boundary.
This command works on drawing objects only. For information about editing geospatial feature data, see Using Feature Editing Commands and Using AutoCAD Commands on Features. For information about AutoCAD commands, see the AutoCAD Help.
To trim objects inside a boundary
If you select Retain Object Data, object data and external link data is duplicated on each piece of a trimmed object. If data is not retained, it remains attached only to the original location.
To save the trim results without modifying the original topology, save the changes to a new drawing.