PPT Slide

About This Tutorial

Prerequisite

Tutorial Outline

What Is a Data Representation Model?

Example: Modelling a Tree

Tree Example: Inherent Restrictions on A and B

Motivation for Designing a Data Representation Model

Tree Example, Revisited

What Is the SEDRIS DRM?

The Classes of the DRM

Broad Categories of Class Functionality

How Is the SEDRIS DRM Expressed In Actual Data Sets?

<Transmittal Root>

What Does a <Transmittal Root> Organize?

<Transmittal Root> Organization Topics

<Environment Root> Topics

<Environment Root>

What Is a Spatial Frame of Reference? (Cheat Sheet)

How the DRM Uses the SRM To Specify Spatial Data

<Environment Root> Topics

Fundamentals of Primitive Geometric Representation

UML Notation Reminder: Has-A

Organizing Primitive Geometry: An Example

<Environment Root>: Specifying SRF Parameters

Specifying Individual Locations

UML Notation Reminder: Is-A

Spatial Reference Frames and <Location>

<Spatial Extent>: Specifying a Bounding Box

UML Notation Reminder: Multiplicity and Ordering

The <Spatial Extent> Class

<Environment Root>: The Environment Representation

How <Environment Root> Represents the Environment

What the Representation Represents

<Classification Data> and EDCS

Using EDCS Classification Codes

Using EDCS Classification Codes

Some Environmental Properties

Connecting the Representation with What It Represents

EDCS Attribute Codes

Using EDCS Attribute Codes

Specifying <Property Value> Instances

The Primitives of the Representation: <Polygon>

Specifying a <Polygon>

Inheritance of 'Attribute' Components

Overriding Inherited 'Attribute' Components

<Vertex>

Final Thoughts on Primitive Geometric Representation

<Environment Root> Topics

Fundamentals of Tabular Representation

Tabular Representation: <Property Grid>

Tabular Representation: A <Property Grid> Example

<Property Grid> Has Its Own Spatial Reference Frame

How <Environment Root> Represents the Environment

<Environment Root>: The Environment Representation

<Property Grid> and Spatial Reference Frame Issues

<Property Grid>: Setting the "Hook"

What Every <Property Grid> Instance Must Specify

What the <Property Grid> Represents

When <Classification Data> Needs Further Qualification

What the <Property Grid> Represents, After Elaboration

Tabular Representation: The <Axis> Components

Tabular Representation: The <Axis> Components

<Regular Axis> and <Irregular Axis>

Tabular Representation: A <Property Grid> Example

<Table Property Description>

Final Thoughts on Tabular Representation

<Environment Root> Topics

Fundamentals of Feature Representation

Feature Topology

Organization of Topological Data in the DRM

UML Notation Reminder: Association

Organizing Primitive Features: An Example

<Environment Root>: The Environment Representation

How <Environment Root> Represents the Environment

Feature and Topology Topics

<Feature Node>

Organizing Primitive Features: <Point Feature> Example

Organizing Primitive Features: <Point Feature> Example

<Feature Edge>

Uses of <Feature Edge>

UML Notation Reminder: Link Classes

Organizing Primitive Features: <Linear Feature> Example

<Linear Feature> and <Edge Direction>

<Feature Face Ring> and <Feature Face>

<Areal Feature> and <Feature Face>

Topology Organization and Topology Level

Topology Level

Final Thoughts on Feature Representation

Basic Organization Summary

Higher-Level Organizing Principles

<Aggregate Geometry>

Organizing Principles

Organizing Principle: Union

Organizing Principle: Alternate Hierarchy

Example: <Alternate Hierarchy Related Geometry>

Organizing Principle: Spatial Index

Organizing Principles: Quadrant

Quadrant Related Organizations

Organizing Principles: Octant

Organizing Principle: Perimeter

Example: <Perimeter Related Features>

Organizing Principle: Classification

Organizing Principle: Level Of Detail

Organizing Principle: Continuous Level Of Detail

Organizing Principles: Separating Plane & Animation

Organizing Principle: Time

Organizing Principle: State

Example: State

Example: State and <State Control Link>

Summary of Organization

<Transmittal Root> Organization Topics

When Data Exists in the Environment, But...

<Library> and Its Subclasses

Referencing the Contents of <Library> Organizations

The <Model Library> and <Model> Classes

<Model> - Building Example

Distinguishing Component Parts of a <Model>

<Geometry Model Instance> and <Transformation>

<Geometry Model Instance> and <LSR Transformation>

<LSR Transformation> Example for Model Instancing

<Model>s Used in the World

<World Transformation> and Model Instancing

<Geometry Model Instance> in the ‘World’

<Transmittal Root> Organization Topics

Metadata in the DRM

CSGDM-Compliant Metadata

Summary Metadata

Where To Go From Here