2011

■ Use the Create Polygon Topology - Create New Nodes dialog box (page
1961) to have AutoCAD Map 3D create node objects where needed.
Specify the layer and block to use for the new node objects.
■ Use the Create Polygon Topology - Select Centroids dialog box (page
1962) to select the centroids to use.
■ Use the
Create Polygon Topology - Create New Centroids dialog box
(page 1960) to create centroids where needed. Specify the layer and block
to use for the new centroids.
5 In the Create Polygon Topology - Set Error Markers dialog box (page 1967),
indicate whether to highlight and/or mark detected errors with blocks.
AutoCAD Map 3D automatically checks for Missing Centroids and
Intersections. Additionally, you can choose to have AutoCAD Map 3D
check for Duplicate Centroids, Incomplete Areas, and Sliver Polygons.
■ To highlight errors with red Xs, select Highlight Errors.
■ To mark errors with blocks of the shape and color you specify, select
Mark Errors With Blocks.
■ In the Marker Size box, specify the marker size as a percent of the
screen size. A value between 3% and 7% is usually suitable.
■ If you chose the Mark Errors With Blocks option, specify the shape
and color of the block to use to mark each error.
6 Click Finish to create the polygon topology.
To remove highlighting, use the REDRAW, REGEN, or SAVE command.
To remove an error marker, select it and press Delete.
7 If appropriate, save the topology information back to source drawings.
Quick Reference
MAPTOPOCREATE
Creates a new topology
Click Map ➤ Topology ➤ Create.
Menu
Create Topology
Icon
Creating, Editing, and Managing Topologies | 837