Specifying the Direction for a Link
Concept Procedure Quick Reference
 
 
 

You can specify the direction of movement allowed for a link in a network topology. AutoCAD Map 3D uses this direction when tracing through network topology for path traces, best route analysis, and flood traces.

In this illustration, the sewer pipes show the flow direction. Move your cursor over the image to see the flow direction.

Direction Property in the Properties palette Object data value
Bi-Directional (two-way) Bi-Directional 0
Same as created. Movement along the link is allowed only in the direction that the link was created. Forward 1
Reverse of created direction. Movement along the link is allowed only in the opposite direction that the link was created. Reverse -1

The default direction of an arc, or a two-point polyline with an arc segment, is counterclockwise. Set the value to Bi-Directional (0) or Forward (1) for counterclockwise, and to Reverse (-1) for clockwise.

To reverse the direction of selected links, right-click a network topology in Map Explorer. Click Reverse Link Direction. You can also use the MAPRL command.

See Also