Class Name: Patch

Superclass - Surface Geometry

Definition

A manifold defined by a parametric surface.

Primary Page in DRM Diagram:

• 5

Example

Hood of a sports car from a CAD Model.

FAQs

Constraints

• No Attribute Conflicts
• Non Crossing Aggregations
• Non Cyclic Aggregations
• Precedence of Attribute Set Index
• Color Mapping Restrictions
• Image Mapping Functions and Texture Coordinates
• Nested Primitive Geometry
• Non Nestable Continuous LOD

Composed of (one-way)(inherited)

• optionally, some {ordered} Attribute Set Indices
• optionally, a Classification Data
• optionally, some Property Tables
• optionally, some Property Table References
• optionally, some Property Values
• optionally, some Tack Points
• optionally, some {ordered} Colors
• optionally, a Light Rendering Properties
• optionally, a Rendering Properties
• optionally, some {ordered} Image Mapping Functions
• optionally, a Rendering Priority Level

Composed of (two-way)(inherited)

• optionally, a Union of Primitive Geometry

Composed of (one-way metadata)(inherited)

• optionally, a Time Constraints Data

Component of (two-way)(inherited)

• one or more Union of Primitive Geometries

Field Elements

Notes

Fields Notes

file_name

 The patch data format is TBD.  This area of SEDRIS is under development,
 awaiting requirements from application developers who generate and/or
 need patch data within a transmittal.