Topology Query Dialog Box

Use this dialog box to execute topology relationship queries using the following tools.

Query Topology

Select the topology to query.

If the topology is not loaded, click Load and select the topology you want.

Result Topology

Select a result topology type.

• None. Objects are retrieved into the current drawing, but no topology data is created.
• Temporary. Objects are retrieved into the current drawing, and the topology data is loaded into memory. This data is not saved to the objects.

  You can use a temporary topology with the following commands: Buffer, Dissolve, Overlay, Trace, Unload, Rename, Statistics, and Delete. You cannot edit a temporary topology.

  As soon as you close the current drawing, the temporary topology is removed from memory.

  Click Map Setup tabTopology panelRename ( Find). Specify a name without an asterisk.

• Permanent. Objects are retrieved into the current drawing, and a new topology is created.

  If you create a temporary or permanent topology, specify a name and description for the topology.

  Topology names can contain letters, numbers, and the underscore and hyphen characters. For temporary topologies, the name must begin with an asterisk (*).

Define Query

Display the Define Query dialog box, where you can create a query by defining conditions.

The dialog box you use for a topology query is the same as for a standard query using the ADEQUERY command, except for the Property option in the Query Type area.

Load Query

Display the Load Internal Query dialog box, where you can select an existing query to load.

When you choose Define Topology Query, you use the same dialog boxes as you do for a standard query. The dialog box options are the same for topology queries and standard queries using the ADEQUERY command, except for choices in the Property option in the Query Type area.

Topology and standard queries differ in the following ways:

• Topology queries work with only one topology, while standard queries work with all objects in the attached drawings. Use a topology query when working only with topologies, or when to select one topology or query.
• You can base topology property queries on polygon values of Area, Length, Perimeter, and Direction. Linear objects also have predefined object data for Direct Resistance and Direction.
• Property alterations work differently with polygon topologies.
• For Report mode, additional dot variables, .TOPONAME, and .TOPOTYPE, are available for topology queries. The dot variables .DRAWING, AREA, and .PERIMETER yield different results in topology queries.