mirror of
https://github.com/django/django.git
synced 2024-12-01 15:42:04 +01:00
229 lines
7.6 KiB
Plaintext
229 lines
7.6 KiB
Plaintext
.. _spatialite:
|
|
|
|
=====================
|
|
Installing Spatialite
|
|
=====================
|
|
|
|
`SpatiaLite`__ adds spatial support to SQLite, turning it into a full-featured
|
|
spatial database.
|
|
|
|
Check first if you can install Spatialite from system packages or binaries. For
|
|
example, on Debian-based distributions, try to install the ``spatialite-bin``
|
|
package. For Mac OS X, follow the
|
|
:ref:`specific instructions below<spatialite_macosx>`. For Windows, you may
|
|
find binaries on `Gaia-SINS`__ home page. In any case, you should always
|
|
be able to :ref:`install from source<spatialite_source>`.
|
|
|
|
When you are done with the installation process, skip to :ref:`create_spatialite_db`.
|
|
|
|
__ https://www.gaia-gis.it/fossil/libspatialite
|
|
__ http://www.gaia-gis.it/gaia-sins/
|
|
|
|
.. _spatialite_source:
|
|
|
|
Installing from source
|
|
~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
:ref:`GEOS and PROJ.4<geospatial_libs>` should be installed prior to building
|
|
SpatiaLite.
|
|
|
|
SQLite
|
|
^^^^^^
|
|
|
|
Check first if SQLite is compiled with the `R*Tree module`__. Run the sqlite3
|
|
command line interface and enter the following query::
|
|
|
|
sqlite> CREATE VIRTUAL TABLE testrtree USING rtree(id,minX,maxX,minY,maxY);
|
|
|
|
If you obtain an error, you will have to recompile SQLite from source. Otherwise,
|
|
just skip this section.
|
|
|
|
To install from sources, download the latest amalgamation source archive from
|
|
the `SQLite download page`__, and extract::
|
|
|
|
$ wget http://sqlite.org/sqlite-amalgamation-3.6.23.1.tar.gz
|
|
$ tar xzf sqlite-amalgamation-3.6.23.1.tar.gz
|
|
$ cd sqlite-3.6.23.1
|
|
|
|
Next, run the ``configure`` script -- however the ``CFLAGS`` environment variable
|
|
needs to be customized so that SQLite knows to build the R*Tree module::
|
|
|
|
$ CFLAGS="-DSQLITE_ENABLE_RTREE=1" ./configure
|
|
$ make
|
|
$ sudo make install
|
|
$ cd ..
|
|
|
|
__ http://www.sqlite.org/rtree.html
|
|
__ http://www.sqlite.org/download.html
|
|
|
|
.. _spatialitebuild:
|
|
|
|
SpatiaLite library (``libspatialite``) and tools (``spatialite``)
|
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
Get the latest SpatiaLite library source and tools bundle from the
|
|
`download page`__::
|
|
|
|
$ wget http://www.gaia-gis.it/gaia-sins/libspatialite-sources/libspatialite-amalgamation-2.4.0-5.tar.gz
|
|
$ wget http://www.gaia-gis.it/gaia-sins/spatialite-tools-sources/spatialite-tools-2.4.0-5.tar.gz
|
|
$ tar xzf libspatialite-amalgamation-2.4.0-5.tar.gz
|
|
$ tar xzf spatialite-tools-2.4.0-5.tar.gz
|
|
|
|
Prior to attempting to build, please read the important notes below to see if
|
|
customization of the ``configure`` command is necessary. If not, then run the
|
|
``configure`` script, make, and install for the SpatiaLite library::
|
|
|
|
$ cd libspatialite-amalgamation-2.3.1
|
|
$ ./configure # May need to be modified, see notes below.
|
|
$ make
|
|
$ sudo make install
|
|
$ cd ..
|
|
|
|
.. _spatialite_tools:
|
|
|
|
Finally, do the same for the SpatiaLite tools::
|
|
|
|
$ cd spatialite-tools-2.3.1
|
|
$ ./configure # May need to be modified, see notes below.
|
|
$ make
|
|
$ sudo make install
|
|
$ cd ..
|
|
|
|
.. note::
|
|
|
|
If you've installed GEOS and PROJ.4 from binary packages, you will have to specify
|
|
their paths when running the ``configure`` scripts for *both* the library and the
|
|
tools (the configure scripts look, by default, in ``/usr/local``). For example,
|
|
on Debian/Ubuntu distributions that have GEOS and PROJ.4 packages, the command would be::
|
|
|
|
$ ./configure --with-proj-include=/usr/include --with-proj-lib=/usr/lib --with-geos-include=/usr/include --with-geos-lib=/usr/lib
|
|
|
|
.. note::
|
|
|
|
For Mac OS X users building from source, the SpatiaLite library *and* tools
|
|
need to have their ``target`` configured::
|
|
|
|
$ ./configure --target=macosx
|
|
|
|
__ http://www.gaia-gis.it/gaia-sins/libspatialite-sources/
|
|
|
|
.. _pysqlite2:
|
|
|
|
pysqlite2
|
|
^^^^^^^^^
|
|
|
|
If you've decided to use a :ref:`newer version of pysqlite2
|
|
<using-newer-versions-of-pysqlite>` instead of the ``sqlite3`` Python stdlib
|
|
module, then you need to make sure it can load external extensions (i.e. the
|
|
required ``enable_load_extension`` method is available so ``SpatiaLite`` can be
|
|
loaded).
|
|
|
|
This might involve building it yourself. For this, download pysqlite2 2.6, and
|
|
untar::
|
|
|
|
$ wget https://pypi.python.org/packages/source/p/pysqlite/pysqlite-2.6.3.tar.gz
|
|
$ tar xzf pysqlite-2.6.3.tar.gz
|
|
$ cd pysqlite-2.6.3
|
|
|
|
Next, use a text editor to edit the ``setup.cfg`` file to look like the
|
|
following:
|
|
|
|
.. code-block:: ini
|
|
|
|
[build_ext]
|
|
#define=
|
|
include_dirs=/usr/local/include
|
|
library_dirs=/usr/local/lib
|
|
libraries=sqlite3
|
|
#define=SQLITE_OMIT_LOAD_EXTENSION
|
|
|
|
or if you are on Mac OS X:
|
|
|
|
.. code-block:: ini
|
|
|
|
[build_ext]
|
|
#define=
|
|
include_dirs=/Library/Frameworks/SQLite3.framework/unix/include
|
|
library_dirs=/Library/Frameworks/SQLite3.framework/unix/lib
|
|
libraries=sqlite3
|
|
#define=SQLITE_OMIT_LOAD_EXTENSION
|
|
|
|
.. note::
|
|
|
|
The important thing here is to make sure you comment out the
|
|
``define=SQLITE_OMIT_LOAD_EXTENSION`` flag and that the ``include_dirs``
|
|
and ``library_dirs`` settings are uncommented and set to the appropriate
|
|
path if the SQLite header files and libraries are not in ``/usr/include``
|
|
and ``/usr/lib``, respectively.
|
|
|
|
After modifying ``setup.cfg`` appropriately, then run the ``setup.py`` script
|
|
to build and install::
|
|
|
|
$ sudo python setup.py install
|
|
|
|
.. _spatialite_macosx:
|
|
|
|
Mac OS X-specific instructions
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Mac OS X users should follow the instructions in the :ref:`kyngchaos` section,
|
|
as it is much easier than building from source.
|
|
|
|
When :ref:`create_spatialite_db`, the ``spatialite`` program is required.
|
|
However, instead of attempting to compile the SpatiaLite tools from source,
|
|
download the `SpatiaLite Binaries`__ for OS X, and install ``spatialite`` in a
|
|
location available in your ``PATH``. For example::
|
|
|
|
$ curl -O http://www.gaia-gis.it/spatialite/spatialite-tools-osx-x86-2.3.1.tar.gz
|
|
$ tar xzf spatialite-tools-osx-x86-2.3.1.tar.gz
|
|
$ cd spatialite-tools-osx-x86-2.3.1/bin
|
|
$ sudo cp spatialite /Library/Frameworks/SQLite3.framework/Programs
|
|
|
|
Finally, for GeoDjango to be able to find the KyngChaos SpatiaLite library,
|
|
add the following to your ``settings.py``:
|
|
|
|
.. code-block:: python
|
|
|
|
SPATIALITE_LIBRARY_PATH='/Library/Frameworks/SQLite3.framework/SQLite3'
|
|
|
|
__ http://www.gaia-gis.it/spatialite-2.3.1/binaries.html
|
|
|
|
.. _create_spatialite_db:
|
|
|
|
Creating a spatial database for SpatiaLite
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
After you've installed SpatiaLite, you'll need to create a number of spatial
|
|
metadata tables in your database in order to perform spatial queries.
|
|
|
|
If you're using SpatiaLite 2.4 or newer, use the ``spatialite`` utility to
|
|
call the ``InitSpatialMetaData()`` function, like this::
|
|
|
|
$ spatialite geodjango.db "SELECT InitSpatialMetaData();"
|
|
the SPATIAL_REF_SYS table already contains some row(s)
|
|
InitSpatiaMetaData ()error:"table spatial_ref_sys already exists"
|
|
0
|
|
|
|
You can safely ignore the error messages shown. When you've done this, you can
|
|
skip the rest of this section.
|
|
|
|
If you're using SpatiaLite 2.3, you'll need to download a
|
|
database-initialization file and execute its SQL queries in your database.
|
|
|
|
First, get it from the `SpatiaLite Resources`__ page::
|
|
|
|
$ wget http://www.gaia-gis.it/spatialite-2.3.1/init_spatialite-2.3.sql.gz
|
|
$ gunzip init_spatialite-2.3.sql.gz
|
|
|
|
Then, use the ``spatialite`` command to initialize a spatial database::
|
|
|
|
$ spatialite geodjango.db < init_spatialite-2.3.sql
|
|
|
|
.. note::
|
|
|
|
The parameter ``geodjango.db`` is the *filename* of the SQLite database
|
|
you want to use. Use the same in the :setting:`DATABASES` ``"name"`` key
|
|
inside your ``settings.py``.
|
|
|
|
__ http://www.gaia-gis.it/spatialite-2.3.1/resources.html
|