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=====================
Installing SpatiaLite
=====================
`SpatiaLite`__ adds spatial support to SQLite, turning it into a full-featured
spatial database.
First, check if you can install SpatiaLite from system packages or binaries.
For example, on Debian-based distributions, try to install the
``spatialite-bin`` package. For distributions that package SpatiaLite 4.2+,
install ``libsqlite3-mod-spatialite``.
For macOS, follow the :ref:`instructions below<spatialite_macos>`.
For Windows, you may find binaries on the `Gaia-SINS`__ home page.
In any case, you should always be able to :ref:`install from source
<spatialite_source>`.
__ https://www.gaia-gis.it/fossil/libspatialite
__ https://www.gaia-gis.it/gaia-sins/
.. admonition:: ``SPATIALITE_LIBRARY_PATH`` setting required for SpatiaLite 4.2+
If you're using SpatiaLite 4.2+, you must put this in your settings::
SPATIALITE_LIBRARY_PATH = 'mod_spatialite'
.. _spatialite_source:
Installing from source
======================
:doc:`GEOS and PROJ.4</ref/contrib/gis/install/geolibs>` 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 https://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 ..
__ https://www.sqlite.org/rtree.html
__ https://www.sqlite.org/download.html
.. _spatialitebuild:
SpatiaLite library (``libspatialite``)
--------------------------------------
Get the latest SpatiaLite library source bundle from the
`download page`__::
$ wget https://www.gaia-gis.it/gaia-sins/libspatialite-sources/libspatialite-4.1.0.tar.gz
$ tar xaf libspatialite-4.1.0.tar.gz
$ cd libspatialite-4.1.0
$ ./configure
$ make
$ sudo make install
.. note::
For macOS 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/
.. _spatialite_macos:
macOS-specific instructions
==============================
To install the SpatiaLite library and tools, macOS users can choose between
:ref:`kyngchaos` and `Homebrew`_.
KyngChaos
---------
First, follow the instructions in the :ref:`kyngchaos` section.
When creating a SpatiaLite database, the ``spatialite`` program is required.
However, instead of attempting to compile the SpatiaLite tools from source,
download the `SpatiaLite Binaries`__ for macOS, and install ``spatialite`` in a
location available in your ``PATH``. For example::
$ curl -O https://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``::
SPATIALITE_LIBRARY_PATH='/Library/Frameworks/SQLite3.framework/SQLite3'
__ https://www.gaia-gis.it/spatialite-2.3.1/binaries.html
Homebrew
--------
`Homebrew`_ handles all the SpatiaLite related packages on your behalf,
including SQLite3, SpatiaLite, PROJ, and GEOS. Install them like this::
$ brew update
$ brew install spatialite-tools
$ brew install gdal
Finally, for GeoDjango to be able to find the SpatiaLite library, add the
following to your ``settings.py``::
SPATIALITE_LIBRARY_PATH='/usr/local/lib/mod_spatialite.dylib'
.. _Homebrew: https://brew.sh/
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