The SEDRIS Data Representation Model
APPENDIX A - Classes
Translucency Control Link

Class Name: Translucency Control Link

Superclass - <Control Link>

Subclasses

This DRM class is concrete and has no subclasses.

Definition

An instance of this DRM class is a specialized <Control Link> instance used to provide the connection between an ordered list of <Expression> instances and the target translucency_value field of one or more <Translucency> instances.

Primary Page in DRM Diagram:

Secondary Pages in DRM Diagram:

Example

  1. The appearance of polarized glass may be controlled by altering the translucency of the surface using a <Translucency Control Link> instance.

FAQs

No FAQs supplied.

Constraints

Composed of (two-way) (inherited)

Component of (two-way)

Inherited Field Elements

SE_String description; 1

Field Elements

SE_Integer_Positive expression_index; 2

Notes

Fields Notes

description

The description field specifies a text description of the purpose of the <Control Link> instance.

expression_index

The expression_index field is a one-based index into the ordered aggregation of <Expression> components and is used to select the specific <Expression> component that controls the translucency_value field value(s) of the target <Translucency> instance(s).


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Last updated: July 26, 2006 Copyright © 2006 SEDRIS