March 2018
Beginner to intermediate
584 pages
14h 31m
English
book
PostGIS Cookbook - Second Edition
by Stephen Vincent Mather, Pedro Wightman, Bborie Park, Thomas Kraft, Mayra Zurbarán, Paolo Corti
Content preview from PostGIS Cookbook - Second Edition
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Getting ready
To begin, create the schema for this chapter as chp11; then, download data from the U.S. Census Bureau's FTP site:
http://ftp2.census.gov/geo/tiger/TIGER2012/EDGES/tl_2012_39035_edges.zip
The shapefile is All Lines for Cuyahoga county in Ohio, which consist of roads and streams among other line features.
Extract the ZIP file to your working directory and then load it into your database using shp2pgsql. Be sure to specify the spatial reference system, EPSG/SRID: 4269. When in doubt about using projections, use the service provided by the folks at OpenGeo at the following website:
http://prj2epsg.org/search
Use the following command to generate the SQL to load the shapefile in a table of the chp11 schema:
shp2pgsql -s 4269 -W ...