Class

• <DRM LSR 3D Location Control Link>

Superclass

• <DRM Control Link>

Subclass

• None.

Definition

An instance of this DRM class is a specialized <DRM Control Link> instance used to provide the connection between an ordered aggregation of <DRM Expression> instances and the target fields of the <DRM LSR 3D Location> instances that aggregate it.

The u_expression_index field identifies a component <DRM Expression>, the value of which specifies that of the coordinate. u field of the affected <DRM LSR 3D Location> instances. If this index is 0, the coordinate. u field is not controlled.

The v_expression_index field identifies a component <DRM Expression>, the value of which specifies that of the coordinate. v field of the affected <DRM LSR 3D Location> instances. If this index is 0, the coordinate. v field is not controlled.

The w_expression_index field identifies a component <DRM Expression>, the value of which specifies that of the coordinate. w field of the affected <DRM LSR 3D Location> instances. If this index is 0, the coordinate. w field is not controlled.

Class diagram

Figure 6.171 — DRM_LSR_3D_Location_Control_Link

Constraints

• Publishable Object

Example(s)

• Consider a building <DRM Model> that may be instanced on terrain polygons that are at various different orientations. Each building wall shall meet the terrain, leaving no gaps. This means that the lengths of the building’s walls shall be adjusted by different amounts in each instance to match the slope of the ground.

  The location of each <DRM Vertex> at the base of a wall <DRM Polygon> can be adjusted by using an <DRM LSR 3D Location Control Link> aggregated by the <DRM LSR 3D Location> that specifies the <DRM Vertex>’s location. Each <DRM LSR 3D Location Control Link> would itself aggregate a <DRM Variable>, which would specify the new location value. These <DRM Variables> shall be set separately for each instance to match the terrain upon which the instance is positioned. This calls for the <DRM Variables> to be set from outside the building <DRM Model>, so all of these <DRM Variables> in the building <DRM Model> shall be associated with the <DRM Model>’s <DRM Interface Template>.

• See also <DRM Interface Template>, <DRM Model Instance Template Index>.