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drawings or detach them from their source drawings before you can rename
any topology.
■ Be sure the Create Backup File Of Source Drawing option is not selected
on the Save Back tab of the AutoCAD Map Options dialog box (page 1908).
You cannot undo this rename operation using the UNDO command.
Centroid Objects dialog box
NOTE This functionality applies only to drawing objects.
Use this dialog box to select the centroids to include when you create a
topology.
To create a topology (page 825)
Click Create tab ➤ Topology panel ➤ New.
Centroid information is stored as object data and saved with the map. Each
centroid is given a unique ID number, which is automatically processed
whenever you use a topology command.
Object Selection
Select Automatically / Manually options
■ Select Automatically selects all objects that meet the object type and
filter criteria.
■ Select Manually lets you manually select objects for the topology. Click
Select < to select objects.
Filter Selected Objects
If this option is selected, only objects that are on the specified layers or
blocks are selected. The filters are used for both automatic and manual
selection of objects. If this option is not selected, the filters are ignored.
1952 | Chapter 38 Topology Dialog Boxes