Shapefile

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* [http://en.wikipedia.org/wiki/Shapefile Shapefile : Wikipedia]
 
* [http://en.wikipedia.org/wiki/Shapefile Shapefile : Wikipedia]
 
* [http://www.digitalpreservation.gov/formats/fdd/fdd000280.shtml ESRI Shapefile, from Library of Congress resource on Sustainability of Digital Formats]
 
* [http://www.digitalpreservation.gov/formats/fdd/fdd000280.shtml ESRI Shapefile, from Library of Congress resource on Sustainability of Digital Formats]
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* [http://www.digitalpreservation.gov/formats/fdd/fdd000326.shtml dBASE Table for ESRI Shapefile (DBF), from Library of Congress resource on Sustainability of Digital Formats]

Revision as of 05:57, 13 November 2012

File Formats > Electronic File Formats > Geospatial > Shapefile
File Format
Name Shapefile
Ontology
Extension(s) .shp .shx .dbf
PRONOM x-fmt/235

The Shapefile from ESRI is a proprietary but openly documented and widely used geospatial vector format. A shapefile can store a collection of geospatial features (points, lines, and/or polygons) together with attribute details (such as labels and associated measurements) for the features. A shapefile is actually a cluster of files, which share an 8-character filename, but use different extensions. A shapefile consists minimally of a main file, an index file, and a dBASE table (.shp, .shx, and .dbf). The cluster of files is typically stored in the same file directory or project workspace. The main file (.shp) contains the primary geographic reference data in the shapefile. The .dbf file (in dBase format) stores the attribute data. The .shx file is a positional index to features in the .shp file.

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