Table 6.159—DRM_Light_Source_Control_Link
|
Property |
Description |
||||||
|
Superclass |
|||||||
|
Class |
· <DRM Light Source Control Link> |
||||||
|
Subclass |
· none |
||||||
|
Definition |
The specialized <DRM Control Link> used to provide the connection between an ordered aggregation of <DRM Expression>s and the target field of a <DRM Light Source>. The expression_index field is a 1-based index into the ordered aggregation of <DRM Expression>s, and is used to select the specific <DRM Expression> that controls the active_light_value field of the <DRM Light Source>. |
||||||
|
Example(s) |
· A <DRM Model> of a lighthouse has a <DRM Geometry Model> with a <DRM Union Of Geometry Hierarchy>, to which is attached an <DRM Spot Light> representing the lighthouse's light. The <DRM Spot Light> has a <DRM Light Source Control Link> that turns the light on or off, depending on the time of day and the weather. |
||||||
|
Inherited field elements |
|
||||||
|
Field elements |
|
||||||
|
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) |
· one or more {ordered} <DRM Expression>s |
||||||
|
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) |
· one or more <DRM Light Source>s |
||||||
|
Constraints |
· none |
||||||
|
Notes |
1 A text description of what the <DRM Control Link> is for. 2 Index of the expression whose value controls whether a light source is on or off. If the expression evaluates to TRUE, the light source is on. |
||||||
|
Class diagram |