TIGER files
PostGIS maps (area example)
v.external dsn="PG:host=localhost user=postgres dbname=postgis" layer=polymap \ output=polygons ...
TIGER files : Topologically Integrated Geographic Encoding and Referencing files compiled and distributed by the U.S. Census Bureau.
TIGER Files
To overcome the limitations of the DIME files and to prepare for the 1990 census, the U.S. Bureau of the Census developed the TIGER (Topologically Integrated Geographic Encoding and Referencing) system.
TIGER files are valuable for other purposes
e.g. locating customers from address lists
e.g. planning vehicle routes through city streets, for parcel delivery, cab dispatching ...
TIGER files are available for every county in the United States and for the millions of census blocks in urban areas.
TIGER files contain street address ranges along lines and census tract/block boundaries. This descriptive data can be used to associate address information and census/demographic data with coverage features.
USGS Digital Elevation Model (DEM) data; (iii) Publicly-owned or controlled lands; (iv) Wetlands, as identified from the National Wetlands Inventory; (v) 1990 City boundaries, obtained from 1992 TIGER files; (vi) 1990 Spheres-of-influence, ...
From the US Census Bureau anyone can obtain TIGER FILES(Topologically Integrated Geographic Encoding and Referencing). TIGER FILES combined DIME and DLG databases into a seamless map of the US, both urban and rural areas.
Missing Address Ranges (Tiger Files often have Missing Address Ranges)
Gaps in Address Ranges
Missing Zip Codes
Incorrect Zip Codes
Use of highway numbers instead of name. (e.g. Highway 2A instead of Massachusetts Ave.) ...
TIGER files contain street address ranges, census tracts, and block boundaries.
LOUISIANA - LouisiannaStatewide GIS; a popular GeoMEdia powered site developed by LSU. Search to find mapping data such as Tiger files, geotiff images, and flood data including data from the Louisiana GIS CD! ...
The solved cases (geocode in the cadaster, address matching using dime and tiger files, postcodes, etc.) are not general but linked to a particular field or data set.
Census Places These are effectively (in massachusetts) town boundaries, with summary demographic statistics for each town. Municipal Parks The census TIGER files includes various landmarks, including three classes of public parks.
A spatial data file format developed by the US Census Bureau prior to the 1990 census. TIGER files are the foundation of DeLorme's road and street database as seen in products such as Street Atlas USA and Topo USA.
Topology ...
Anyone looking for digital geographic information on streams, highways, Census TIGER files, municipal boundaries, water supply, watersheds, waste sites, or other geographic features can browse the NCGDC data listings through the M@IN Internet link.
Because of the repositioning of various TIGER line segments the boundaries included may not correspond to those derived from previous versions of the TIGER files.
 See also: Information, TIGER, Feature, Map, Geographic
  
|
RSS
