Geography Reference
In-Depth Information
of supported formats, some of which I've listed for you here. For the
complete list, see the GDAL website.
• Arc/Info Binary Coverage
• Comma-Separated Value (.
csv
)
• DWG
• DXF
• ESRI Personal GeoDatabase
• ESRI ArcSDE
• ESRI Shapefile
• GML
• GMT
• GPX
• GRASS
• KML
• Mapinfo File
• MySQL
• ODBC
• Oracle Spatial
• PostgreSQL
• SDTS
• SQLite
• U.S. Census TIGER/Line
• VRT—Virtual Datasource
• Informix DataBlade
OGR Utilities
Three utilities come with the OGR library, two of which you are likely
to find very useful when working with vector data.
ogrinfo
This utility displays information about a layer, including the coor-
dinate system, attributes, and number of features. Given the right
command-line switches, it will even print out the coordinates of
every feature. You'll find
ogrinfo
to be very handy, especially with
data you download or are handed from a stranger. It's even help-
ful with your own data, when you go back to it months after first
creating it and can't remember anything about it.
16
16.
Or maybe I'm the only one with this problem.
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