Class Name: World Transformation

Superclass - Transformation

Definition

A Transformation, specified by a Location and a World 3X3, used to transform an object defined in an LSR spatial reference frame into another spatial reference frame (usually, but not always, a non-LSR spatial reference frame).

A World Transformation is either

1. defined in a non-LSR spatial reference frame, then used to instance an LSR Model into the non-LSR spatial reference frame, or
2. defined within an LSR spatial reference frame (SRF_1), and then used to instance a Model embedded within another LSR spatial reference frame (SRF_2) into SRF_1, in a way that maintains the conformality of any Locations in the Model.

Primary Page in DRM Diagram:

• 7

Secondary Pages in DRM Diagram:

• 3
• 9
• 23

Example

1. Used when instancing a house onto geodetic terrain (defined by latitude and longitude). This allows the location to position the house and the 3X3 to rotate and scale the house. See Transformation for examples.

FAQs

Constraints

Composed of (one-way)

• one Location
• optionally, a World 3X3

Component of (one-way)(inherited)

• optionally, some Feature Model Instances (notes)
• optionally, some Geometry Model Instances (notes)

Component of (one-way)

• optionally, some Volumes (notes)
• optionally, some Volume Level of Detail Data
• optionally, some Volume Light Behaviors

Notes

Component of Notes

Feature_Model_Instance

 To transform a <Feature Model Instance> into place

Geometry_Model_Instance

 To transform a <Geometry Model Instance> into place

Volume

 To locate and orient a <Volume> within the currently scoped 'world'
 spatial reference frame