Class Name: CMY Colour Control Link

Superclass - <Control Link>

Subclasses

Definition

An instance of this DRM class is a specialized <Control Link> used to provide the connection between an ordered aggregation of <Expression> instances and the target fields of a <CMY Colour>.

Primary Page in DRM Diagram:

• 17

Secondary Pages in DRM Diagram:

• 14

Example

1. Consider a transmittal, produced with CMY colours, the <Model Library> of which contains a <Model> representing a car with a <Geometry Model>, the geometry of which consists of <Polygon> instances with <Inline Colour> components.

   This car model is instanced in many places throughout the transmittal, and the data provider wishes to vary its appearance depending on the <Geometry Model Instance>. Consequently, each <CMY Colour> instance in the <Model> has a <CMY Colour Control Link> instance, supplying the value of the yellow field of the <CMY Colour> with a <Variable>.

   

FAQs

No FAQs supplied.

Constraints

Composed of (two-way)(inherited)

• one or more {ordered} <Expression> instances

Component of (two-way)

• one or more <CMY Colour> instances

Inherited Field Elements

Field Elements

Notes

Fields Notes

description

 This is a text description of the given <Control Link>
 instance's purpose.

cyan_expr_index

 This value specifies which <Expression> component, if any,
 controls the cyan field value of the affected <CMY Colour>
 instances. If the value is zero, the cyan field of those
 instances is not controlled.

magenta_expr_index

 This value specifies which <Expression> component, if any,
 controls the magenta field value of the affected <CMY Colour>
 instances. If the value is zero, the magenta field of those
 instances is not controlled.

yellow_expr_index

 This value specifies which <Expression> component, if any,
 controls the yellow field value of the affected <CMY Colour>
 instances. If the value is zero, the yellow field of those
 instances is not controlled.