Presentation Index
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1

PPT Slide
2

Outline
3

Raster Data
4

Raster Data Example – CIB
5

Raster Data in the DRM – Images
6

Raster Data Summary
7

Gridded Data
8

Gridded Data Example – DTED
9

Gridded Data in the DRM – Property Grids
10

DTED CD-ROM Directory Tree
11

DTED-based Transmittal – Transmittal Root
12

DTED-based Transmittal – Geometry Hierarchy
13

DTED-based Transmittal – Property Grid
14

Gridded Data Summary
15

Vector Data
16

PPT Slide
17

Vector Data in the DRM – Features
18

Topology
19

Topology Hierarchies
20

Feature Topology
21

Feature Nodes
22

Feature Edges
23

Feature Faces
24

Feature Volumes
25

Node-Edge Relationships
26

Node-Face Relationships
27

Edge-Face Relationships
28

Example: “Curtain” Face under a Bridge
29

Face-Edge Relationships – Rings
30

Edge-Volume Relationships
31

Face-Volume Relationships
32

Volume-Face Relationships – Shells
33

Feature Topology Levels
34

Feature Topology Example
35

VPF Database Directory Tree
36

VPF-based Transmittal – Transmittal Root
37

VPF-based Transmittal – Feature Hierarchy
38

VPF-based Transmittal – Primitive Features
39

VPF-Based Transmittal –Topology Hierarchy
40

VPF-Based Transmittal – Feature Topology
41

Vector Data Summary
42

Polygonal Data
43

Polygonal Data Example – From FFD & DTED
44

Polygonal Data in the DRM - Geometry
45

Primitive Geometry
46

Aggregate Geometry
47

Geometry Topology
48

Geometry Topology Example
49

Polygonal Data Summary
50

Associations Between Terrain Representations
51

Summary

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