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    Census Agricultural Regions Boundary files — reference guide

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    Software formats

    The 2011 Census Agricultural Regions Boundary Files are available for download from the Statistics Canada website in the following formats:

    • ArcGIS® shapefile format version 9.3.1. File extension: .shp
    • MapInfo® format version 11.0.1. File extension: .tab
    • Geography Markup Language (GML) version 3.1.1. File extension: .gml

    Installation instructions

    The ArcGIS®, MapInfo® and GML files are compressed into WinZip® files (file extension .zip).

    An XML schema file (.xsd) is included to describe and validate the structure and content of the .gml files.

    The geographic area names in the CAR boundary files contain accented characters. These characters can be seen in UNIX and Windows® versions of ArcGIS® and MapInfo®. They were tested on desktop versions of ArcGIS® 9.3.1 and MapInfo® 11.01.1.

    Geographic representation

    The 2011 Census Agricultural Regions Boundary Files are available for free on the Statistics Canada website in the following geographic representation:

    • Datum: NAD83
    • Coordinates: Latitude / Longitude

    To ensure calculations are relevant (e.g., to calculate land area), it is recommended that the latitude/longitude coordinates be transformed to an appropriate map projection.

    File naming conventions

    The conventions used are:

    • ArcInfo® shape file gcar000a11a_e.shp, gcar000b11a_e.shp
    • MapInfo® TAB file gcar000a11m_e.tab, gcar000b11m_e.tab
    • Geography Markup Language (GML) file gcar000a11g_e.gml, gcar000b11g_e.gml

    where "g" refers to geographic representation, "car" indicates that it is the census agricultural regions file, "000" is the three digit code identifying it as a national file, "a" indicates it is a digital boundary file while "b" indicates it is a cartographic boundary file, "11" is the date stamp for the year of release, "m" or "a" or "g" indicates the software and "e" or "f" indicates the language of the file.

    File names and sizes
    Table summary
     This table displays the results of File names and sizes.
    The information is grouped by Empty cell as a row header , ARCGIS®, MapInfo®, Geography Markup Language appearing as row headers,
    File name, Compressed file size (MB) appearing as column headers,
    calculated using Compressed file size (MB) as a unit of measure.
    File names and sizes
    Empty cell 
    ARCGIS®
    MapInfo®
    Geography Markup Language
    File name Compressed file size (MB) File name Compressed file size (MB) File name Compressed file size (MB)
    CAR digital boundary file gcar000a11a_e 7.63 gcar000a11m_e 4,46 gcar000a11g_e 10.03
    CAR cartographic boundary file gcar000b11a_e 24.0 gcar000b11m_e 13,44 gcar000b11g_e 31.23

    Record layout and item description

    Census Agricultural Regions record layout:

    The following table shows the format of the attributes contained on the boundary files.

    the format of the attributes contained on the boundary files
    Attribute name Data type Description
    FID Object ID (4) Specific to ArcGIS®
    Shape Geometry Specific to ArcGIS®
    PRUID char (2) Uniquely identifies a province or territory.
    CARUID char (4) Uniquely identifies a census agricultural region (composed of the 2-digit province/territory code and the 2-digit census agricultural region code).
    CARNAME char (50) The official census agricultural region name.
    AGUID char (9) Uniquely identifies any of the standard geographic areas disseminated by the Census of Agriculture (composed of the 2-digit province or territory code, the 2-digit census agricultural region code, the 2-digit census division code and the 3-digit census consolidated subdivision code).
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