Class Name: Feature Edge Direction

Superclass - Edge Direction

Definition

Link data that indicates whether each Feature Edge that is associated with a Linear Feature is oriented in the same direction as the Linear Feature, or in the opposite direction.

Primary Page in DRM Diagram:

• 11

Secondary Pages in DRM Diagram:

• 8

Example

1. A Linear Feature representing a stream is associated with several Feature Edges that define the path of the stream. The Feature Edge Direction associated with each Feature Edge is TRUE if the Feature Edge is oriented so that the stream flows in the direction from its Feature Edge Starting Node to its Feature Edge Ending Node, and FALSE if the stream flows in the opposite direction.

FAQs

What if the Linear Feature represents a spatially located entity, such as a tree line, that has no well-defined orientation?

In such a case, the Feature Edge Direction should be set to false.

Constraints

Inherited Field Elements