2011

Click Create tab ➤ Topology panel ➤ New.
Node information is stored as object data and saved with the map. Each node
is given a unique ID number, which is automatically processed whenever you
use a topology command.
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.
Layer Filters box
Specify which layers to search for objects to be used for the topology.
Enter an asterisk (*) to search all layers.
To select from a list of layers, click Layers.
Block Filters box
Specify which blocks to search for objects to be used for the topology.
■ To search all blocks, enter an asterisk (*).
■ To select from a list of block definitions in the drawing set, click Blocks.
■ To select point objects, enter ACAD_POINT.
Create Node Objects
Specify whether nodes that are not present in the current object selection
should be created to complete the topology. (Nodes are optional.)
Create on Layer box
If new nodes or centroids are created, specify on which layer they should
be placed.
To select from a list of layers, click Layers.
1986 | Chapter 38 Topology Dialog Boxes