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5. Technical specifications
Software formats
Data descriptions and record layouts
Attribute domain values
Software formats
The 2006 Road Network File is available for download from the Statistics Canada website in the following formats:
- ArcInfo® shapefile version 9.0
File extension: .shp
- Geography Markup Language (GML) version 2.1.2
File extension: .gml
- MapInfo® format version 7.0
File extension: .tab
The ArcInfo®, Geography Markup Language and MapInfo® files are compressed into WinZip® files (file extension .zip).
An additional template (.tem) file is included with the Geography Markup Language files for use with the Java Unified Mapping Platform (JUMP) free GIS viewer.
The road names in the 2006 Road Network File contain accented characters. These characters can be seen in UNIX and Windows® versions of ArcInfo® and MapInfo®. They were tested on desktop versions of ArcGIS 8.3 and 9.0 and MapInfo® 7.0 and 7.8. The accents were also visible in ArcInfo® 8.01 in UNIX. To preserve accents, ArcToolbox™ is recommended for importing files into the desktop version of ArcGIS 9.0.
Error processing SSI file
Data descriptions and record layouts
Geographic representation
The 2006 Road Network File is available free on the Statistics Canada website in the following geographic representation:
Coordinates:
Longitude/Latitude
Record layout and item/field descriptions
Table 5.1 Record layout — ArcInfo® (.shp), Geography Markup Language (.gml), MapInfo® (.tab) files
Attribute domain values
Representation of unknown or no value
The null value is used to represent values of the road's name, type and direction that are either missing or non-existent. The zero (0) is used when an address does not exist or is not known.
Street name
This indicates the street name associated with the arc.
Street type
This indicates the street type associated with the arc.
Street direction
The arc direction is not the geographic direction of the road feature, but a description used to identify it. A two-character code is related to the arc when the feature is a single or multiple lane addressable street.
Table 5.3 Street direction code
