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■ Enter a name and description for the new topology, and specify the
layer to place it on.
■ Click Next.
6 In the Topology Overlay Analysis - Output Attributes dialog box, do the
following to copy data to the result topology:
■ For Source Attributes For New Topology, click
(Expression
Evaluator) to select the data from the source topology that you want
to include in the resulting topology. You can include fields in an
object data table or columns in an external database.
■ For Overlay Attributes For New Topology, click
(Expression
Evaluator) to select the data from the overlay topology that you want
to include in the resulting topology.
■ Enter a name and description for the object data table that will store
the data in the new topology.
Object data and external database records are attached to the centroids
of the result topology.
■ Click Next.
7 In the final dialog box, choose whether to create new nodes to complete
the resulting topology. If so, specify which a block to use:
■ To use a point, leave the box blank or enter ACAD_POINT.
■ To select from a list of block definitions, click the down arrow.
■ To select a block saved as a DWG file, click Browse. Select the file to
use.
8 For certain overlay operations, you also specify the block to use for
centroids.
9 Click Finish.
Quick Reference
MAPANOVERLAY
Overlays one topology with another, and creates a new topology
Overlaying Two Topologies | 1341