List of Figures

1-1 Simplified Topology

1-2 Simplified Topology, with Grid Lines and Unit Numbers

1-3 Features in a Topology

1-4 Topology Geometry Layer Hierarchy

1-5 Mapping Between Feature Tables and Topology Tables

1-6 Nodes, Edges, and Faces

2-1 Editing Topologies Using the TopoMap Object Cache (PL/SQL API)

2-2 Editing Topologies Using the TopoMap Object Cache (Java API)

2-3 Adding a Non-Isolated Node

2-4 Effect of is_new_shape_point Value on Adding a Node

2-5 Topology Before Moving a Non-Isolated Node

2-6 Topology After Moving a Non-Isolated Node

2-7 Node Move Is Not Allowed

2-8 Topology for Node Movement Examples

2-9 Removing a Non-Isolated Node

2-10 Removing Obsolete Nodes

2-11 Adding a Non-Isolated Edge

2-12 Moving a Non-Isolated Edge

2-13 Removing a Non-Isolated Edge

4-1 Loading Topological Elements into a Window

5-1 New York City Nodes and Links

5-2 Network Hierarchy

5-3 Java Classes and Interfaces for Network Data Model

5-4 Simple Spatial (SDO) Network

5-5 Simple Logical Network

5-6 Roads and Road Segments for Spatial (LRS) Network Example

5-7 Nodes and Links for Logical Network Example