This is a shapefile, which actually consists of multiple files, which must be kep together. Index TIGER line data (optional, but can automatically load the TIGER on a map without your having to use the FIPS codes. Other useful data here includes: Block, Block Groups, and Census Tracts. There are four methods for downloading TIGER/Line Shapefiles from the U.S. Census Bureau: Website Interface Direct from FTP Site Connect via FTP Client Direct from bltadwin.ru To download the shapefiles you need an Internet Browser or an FTP client, as well as a utility that can unzip files. · TIGER/Line Shapefiles. All legal boundaries and names are as of January 1, Released February 2, The ZIP Code Tabulation Areas (ZCTAs) (5-digit) were delineated using Blocks and have been added to this product. The county-level Topological Faces (Polygons With All Geocodes) have been updated with a new ZCTA field.
Navigate to the geo/tiger/TIGER/EDGES directory (or other directory if necessary) on the remote site; Select the file(s) you want to download. depending on your software, you may be able to click one file then use a combination of shift-click or ctrl-click to select multiple files, or drag a box around the desired files. This is a shapefile, which actually consists of multiple files, which must be kep together. Index TIGER line data (optional, but can automatically load the TIGER on a map without your having to use the FIPS codes. Other useful data here includes: Block, Block Groups, and Census Tracts. The two-digit FIPS code (string) of the state you want, or a vector of codes if you want multiple states. Can also be state name or state abbreviation. If NULL (the default), returns the entire United States. cb: If cb is set to TRUE, download a generalized (k) cartographic boundary file. Defaults to FALSE (the most detailed TIGER/Line file).
GEOID. The TIGER/Line Shapefiles technical documentation has more information on the record layouts and definition of each field. The next step is to select the data file. Use the browse (open folder icon) option to navigate to the data file. This is the Microsoft Excel Workbook file you created. The final step is to choose the field from. TIGER boundary files are available at multiple geographies within a state, including Blocks, Block Groups, Census Tracts, counties, and the entire state. Here is an overview of U.S. Census geographies from Esri, and geographic hierarchy diagrams from the U.S. Census Bureau. TIGER/Line Shapefiles. All legal boundaries and names are as of January 1, Released February 2, The ZIP Code Tabulation Areas (ZCTAs) (5-digit) were delineated using Blocks and have been added to this product. The county-level Topological Faces (Polygons With All Geocodes) have been updated with a new ZCTA field.
0コメント