Create Polygon Topology - Create New Centroids dialog box
NoteThis functionality applies only to drawing objects.

Use this dialog box to create centroids for any areas that are missing centroids and to specify the layer and block to use for the new centroids.

To create a polygon topology

Click Create tabTopology panelNew. At the Command prompt, enter maptopocreate.

If you do not select the Create Missing Centroids option, and an area is missing a centroid, you are notified that the topology has not been created. The areas that are missing centroids are marked or highlighted using the error markers you specify in the Create Polygon Topology - Set Error Markers dialog box.

Create Missing Centroids

Creates centroids where needed.


Specify the layer on which to place the new centroids. Enter a layer name or click the down arrow to select from a list of layers in the drawing set. If a layer you want is not listed, it may be frozen or locked.

Point Object for Centroid Creation

Specify the block to use to represent the new centroids. To create centroids using an existing block, click the down arrow and select the name of the block from the list. To use a point instead of a block, select ACAD_POINT. To use a block saved as a DWG file, click Browse, and select the file.


Close the dialog box without creating the topology.


Display the previous dialog box in the list.


Create the topology using the current settings. Enter a unique name for the topology and click Finish.