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Topology Rules Illustrated. Source: ESRI topology\_rules\_poster.pdf See also: ESRI White Paper, Working with Geodatabase Topology , March 2003 ESRI, ArcGIS 9: Editing in ArcMap , especially Chapter 4 Editing Topology (this book is considerably improved over the ArcGIS 8 version).

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topology rules illustrated

Topology Rules Illustrated

Source: ESRI topology_rules_poster.pdf

See also:

ESRI White Paper, Working with Geodatabase Topology, March 2003

ESRI, ArcGIS 9: Editing in ArcMap, especially Chapter 4 Editing Topology (this book is considerably improved over the ArcGIS 8 version)

slide3
Between two line feature classes

9

10

Between a line and a point feature class

Between a line and a polygon feature class

11

12

Between a point and a line feature class

13

14

slide6
Between a polygon and a point feature class

Between a polygon and a line feature class

22

23

Between a point and a polygon feature class

24

25

All lines and polygons

26

Note: numbers are mine, not ESRI’s!

slide7
Example of Use of Topology Rule

Example of errors generated from the Polygons must not overlap with (#19) rule.

Building footprints (in blue) must not overlap easements (in magenta).

The violation areas are shown in yellow .

The table shows the error report.

User must make the decision whether these are:

--accuracy issues with one or other layer (more likely the footprint layer)

--thus fix through editing.

--or violations where buildings have been built in easements

--thus mark as “exceptions’

Source: ESRI Working with Geodatabase Topology p.9

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