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Chapter 17. GEOCODING AND DYNAMIC SEGMENTATION 17.1 Geocoding 17.1.1 Geocoding Reference Database

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Chapter 17. GEOCODING AND DYNAMIC SEGMENTATION 17.1 Geocoding 17.1.1 Geocoding Reference Database 17.1.2 The Geocoding Process 17.1.3 Address Matching Options Box 17.1 Scoring System for Geocoding 17.1.4 Other Types of Geocoding 17.2 Applications of Geocoding 17.2.1 Location-Based Services

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Chapter 17. GEOCODING AND DYNAMIC SEGMENTATION

17.1 Geocoding

17.1.1 Geocoding Reference Database

17.1.2 The Geocoding Process

17.1.3 Address Matching Options

Box 17.1 Scoring System for Geocoding

17.1.4 Other Types of Geocoding

17.2 Applications of Geocoding

17.2.1 Location-Based Services

17.2.2 Business Applications

17.2.3 Wireless Emergency Services

17.2.4 Crime Mapping and Analysis

17.2.5 Public Health

17.3 Dynamic Segmentation

Box 17.2 Linear Location Referencing System

17.3.1 Routes

Box 17.3 Route Feature Classes

17.3.2 Creating Routes

Box 17.4 Create Route Using ArcGIS

17.3.3 Events

17.3.4 Creating Event Tables

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17.4 Applications of Dynamic Segmentation

17.4.1 Data Management

17.4.2 Data Display

17.4.3 Data Query

17.4.4 Data Analysis

Key Concepts and Terms

Review Questions

Applications: Geocoding and Dynamic Segmentation

Task 1: Geocode Street Addresses

Task 2: Display and Query Routes and Events

Task 3: Analyze Two Event Layers

Task 4: Create a Stream Route and Analyze Slope Along the Route

Task 5: Locate Cities Along U.S. Interstate 5

Challenge Question

References

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Figure 17.1

A sample address table records name, address, and ZIP code.

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Figure 17.2

The TIGER/Line files include the attributes of FEDIRP, FENAME, FETYPE, FRADDL, TOADDL, FRADDR, TOADDR, ZIPL, and ZIPR, which are important for geocoding.

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Figure 17.3

Linear interpolation for address geocoding.

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Figure 17.4

Address geocoding plots street addresses as points on a map.

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Figure 17.5

The end offset moves a geocoded point away from the end point of a street segment, and the side offset places a geocoded point away from the side of a street segment.

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Figure 17.6

An example of Intersection matching.

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Figure 17.7

An example of a route subclass using the coverage model. See text for explanation.

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Figure 17.8

An example of a geodatabase route feature class.

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Figure 17.9

The interactive method requires the selection or digitizing of the line segments that make up a route (shown in a thicker line symbol).

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Figure 17.10

Interstate highway routes in Idaho.

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Figure 17.11

An example of a split route.

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Figure 17.12

A looping route divided into three parts for the purpose of route measuring.

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Figure 17.13

An example of converting point features to point events. See text for explanation.

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Figure 17.14

An example of creating a linear event table by overlaying a route layer and a polygon layer. See text for explanation.

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Figure 17.15

The thicker, solid line symbol represents those portions of the Washington State’s highway network that have the legal speed limit of 70 miles per hour.

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Figure 17.16

Data query at a point, shown here by the small circle, shows the route-ID, the x- and y-coordinates, and the measure (m) value at the point location. Additionally, the beginning and ending measure values of the route are also listed.

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MapQuest

http://www.mapquest.com/

Tele Atlas

http://www.teleatlas.com/

CrimeStat

http://www.icpsr.umich.edu/NACJD/crimestat.htm

Washington State Department of Transportation GIS Data

http://www.wsdot.wa.gov/mapsdata/geodatacatalog/default.htm

ESRI’s geodatabase website

http://support.esri.com/datamodels

U.S. Census Bureau

http://www.census.gov

National Hydrography Dataset: NHDinGEO

http://nhd.usgs.gov/geodatabase_review.html