Class Name: Light Source Control Link
Definition
The specialized Control Link used to provide the
connection between an ordered aggregation of
Expressions and the target field of a
Light Source.
The expr_index field is
a 1-based index into the ordered aggregation of
Expressions, and is used to select the specific
Expression that controls the
active_light_value field of the
Light Source.
Primary Page in DRM Diagram:
Secondary Pages in DRM Diagram:
Example
- A Model of a lighthouse has a
Geometry Model with a
Union of Geometry Hierarchy, to
which is attached an Spot Light
representing the lighthouse's light. The
Spot Light has a
Light Source Control Link that
turns the light on or off, depending on the time of day and the weather.
FAQs
- What does a Light Source Control
Link control?
- A Light Source Control Link
controls the
active_light_value stored in its Light
Source, so that the Light Source can be
turned on and off.
Constraints
None.
Composed of (two-way)(inherited)
Component of (two-way)
Notes
Fields Notes
A text description of what the Control_Link is for
index of the expression whose value controls whether a light source is
on or off. If the expression evaluates to SE_TRUE, the light source is
on.
Prev: Light Source.
Next: Line.
Up:Index.