Table 6.90—DRM_Face_Direction

Property

Description

Superclass

·         <DRM SEDRIS Abstract Base>

Class

·         <DRM Face Direction>

Subclass

·         none

Definition

An object of this DRM class provides link data that indicates which side (front or back) of a <DRM Feature Face> is associated with an <DRM Areal Feature>.

Example(s)

·         An <DRM Areal Feature> represents a grass-covered region, consisting of a single <DRM Regular Feature Face>. The <DRM Face Direction> link data on the relationship between them would be set to true, indicating that the front (i.e., the top) side of the face corresponds to the <DRM Areal Feature>.

Inherited field elements

field_name

range

Field_Data_Type

none

 

 

Field elements

field_name

range

Field_Data_Type

front

 

Boolean

Associated to (one-way) (inherited)

·         none

Associated to (one-way)

·         none

Associated by (one-way) (inherited)

·         none

Associated by (one-way)

·         none

Associated with (two-way) (inherited)

·         none

Associated with (two-way)

·         none

Composed of (two-way) (inherited)

·         none

Composed of (two-way)

·         none

Composed of (two-way metadata) (inherited)

·         none

Composed of (two-way metadata)

·         none

Component of (two-way) (inherited)

·         none

Component of (two-way)

·         none

Constraints

·         Face_Direction levels 0 - 3

Notes

none

Class diagram

<DRM Face Direction>