gtech 361 lecture 13a address matching. address event tables any supported tabular format one field...
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GTECH 361
Lecture 13a
Address Matching
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Address Event Tables
Any supported tabular format One field must specify an address
The name of that field is not interpreted
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Using Addresses for Geocoding
Addresses are matched against a reference data source that contains address information as well as spatial information (feature geometry)
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Address Components Address (house or building) number Prefix direction Prefix type Street name Street type Suffix direction Zone
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Geocoding Styles Single field US one address US one address with AltName US one address with zone US one address with zone and AltName US one range US streets ZIP 5-digit ZIP+4
For more information about geocoding styles, click the Contents tab in the ArcGIS online help and locate the topics Geocoding addresses > Preparing
reference data for a geocoding service and Geocoding addresses > Preparing address data for geocoding
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Reference Data Source
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In US Streets style addresses, four attributes define the address ranges for each side of the street L_ADD_FROM L_ADD_TO R_ADD_FROM R_ADD_TO
Reference Data Source
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Geocoding Service Defines the process for converting
addresses into geometric shapes path to the reference data source and
address event table algorithms for standardizing address
descriptions and matching them to the reference data
parameters for reading address data matching the address data to the reference
data creating output
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Geocoding Services
Geocoding services are stored in the Geocoding Services folder in the Catalog
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Interpolating Addresses1. ArcGIS first evaluates the street segment's address start
and end points. E.g., 800 and 898 on the left side and 800 and 899 on the right side
2. ArcGIS determines whether the address is an even or odd number; if is even, it will be matched to the even address range.
3. The even address range is determined, e.g., 898 – 800 = 98
4. The location of the address within the address range is calculated Next, an offset is applied (see below) if one has been specified
5. The coordinates of the address are calculated using the coordinate system of the reference data source (by default)
6. A new point feature is created at the derived coordinates
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Interpolating Addresses
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Interactive Matching
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Interpreting the Output
Status Score Side
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Setting Upa Geocoding Service
Create a geocoding service in ArcCatalog that defines Geocoding style Reference data source Address event table Specific steps to match addresses
Can be used either in ArcMap or in ArcCatalog
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Geocoding Service Properties Dialog
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Data Organization
Reference feature
Its associated table
Mapping of attributes
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Specifying Input Address Fields
This style requires street and zone ArcGIS automatically considers
data in fields Address, Addr, or Street in the address table to be street address data
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Alias Tables
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Output Options
Offset
X,Y coordinates of the features Standardized address Reference data ID Percent along the reference feature
where the address falls
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Unmatched Records
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Geocoding Options
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Interactive Review Dialog