GeoDjango Installation
GeoDjango is an add-on for Django that turns it into a world-class geographic web framework. GeoDjango strives to make at as simple as possible to create geographic web applications, like location-based services. Some features include:
- Django model fields for OGC geometries, that may be edited in the admin.
- Extensions to Django’s ORM for the querying and manipulation of spatial data.
- Loosely-coupled, high-level Python interfaces for GIS geometry operations and data formats.
In general, GeoDjango installation requires:
- Python and Django
- Spatial Database
- Geospatial Libraries
and may be installed on most of modern computers managed by Linux, Windows and Mac OS X operating systems. In this article we are going to deal with GeoDjango installation on Mac OS X computers. That assumes a familiarity with MacPorts tool. Because MacPorts still builds the software from source, Xcode and X11 are required.
Installation Summary:
$ sudo port sync
$ sudo port install python26
$ sudo port install postgresql84-server
$ sudo port install geos
$ sudo port install proj
$ sudo port install postgis
$ sudo port install libgeoip
$ sudo port install py26-psycopg2
PostgreSQL Configuring:
$ sudo mkdir /Users/DB/postgresql
$ export PATH=$PATH:/opt/local/lib/postgresql84/bin
$ echo 'export PATH=$PATH:/opt/local/lib/postgresql84/bin' >> ~/.profile
$ chown -R postgres:postgres /Users/DB/postgresql
$ sudo su postgres -c "initdb -E UTF8 -D /Users/DB/postgresql"
PostgreSQL Server Controls:
$ alias pgstart="sudo su postgres -c 'pg_ctl -D /Users/DB/postgresql -l /Users/DB/postgresql/logfile start'"
$ alias pgstop="sudo su postgres -c 'pg_ctl -D /Users/DB/postgresql stop -m fast'"
$ alias pgstatus="sudo su postgres -c 'pg_ctl status -D /Users/DB/postgresql'"
$ pgstart
PostGIS DB Template Creation:
$sudo su postgres
$ POSTGIS_SQL_PATH='pg_config —sharedir'/contrib
$ createdb -E UTF8 postqis_database_template
$ createlang -d postqis_database_template plpgsql
$ psql -d postgres -c "UPDATE pg_database SET datistemplate='true' WHERE datname='postqis_database_template';"
$ psql -d postqis_database_template -f $POSTGIS_SQL_PATH/postgis.sql
$ psql -d postqis_database_template -f $POSTGIS_SQL_PATH/spatial_ref_sys.sql
$ psql -d postqis_database_template -c "GRANT ALL ON geometry_columns TO PUBLIC;"
$ psql -d postqis_database_template -c "GRANT ALL ON spatial_ref_sys TO PUBLIC;"
DB Creation:
$ createdb -T postqis_database_template [your_database_name]
$ createuser —createdb [local_user]