GeoDjango 1.1

TOC(GeoDjango1.1)

This document is to outline the roadmap for the features and fixes that will go into GeoDjango as a part of the 1.1 release. This is meant to be a living document, so feel free to edit -- but please no vandalization or flaming.

Process

The gis-1.1 mercurial branch is deprecated as all features spanning multiple tickets and/or branches have now been merged into trunk. Please use SVN trunk to get the latest features for GeoDjango in 1.1.

All development will be taking place in the gis-1.1 repository hosted at the ​GeoDjango Mercurial page. The gis-1.1 repository is synchronized with SVN trunk, as well as, Russell Keith Magee's ​aggregation git repository, and may also include various patches from tickets before they are checked into trunk (e.g., for SpatiaLite support). Because of the dynamic nature of this repository, it is not recommended for production use.

Informal discussion will take place on IRC (in the #geodjango channel on FreeNode network), and more lengthy discussion (like any feature proposals) should take place on the newly created ​GeoDjango mailing list.

New Features

Geographic Aggregates

  • Now in trunk as of r9748.
  • Add new PostGIS aggregates: Collect and Polygonize
  • Done: Add Extent, MakeLine, and Union spatial aggregates.
  • Done: Add support for Extent on Oracle

Geographic F() Expressions

  • #10159: Fix F() expressions to work on geographic fields.

SQLite (SpatiaLite) Support

django.contrib.gis.serializers

  • Punted to 1.2 because Django's serialization module will be refactored this summer.

GeoQuerySet Methods

  • Add in_place option for GeoQuerySet methods.
    • Declined to add this option
  • New GeoQuerySet Method(s)
    • snap_to_grid() (#9745)
    • geojson() (Hobu implemented at one point..)
    • Requests?

Maintenance

Admin

Contact: Dane Springmeyer

  • #8972: Add ability to delete selected vector features [punted to 1.2]
  • #9278: Geographic Admin doesn't show vector overlay when LANGUAGE_BIDI is set
  • #9299: Zoom too far in with PointFields in the admin
  • #9694: Fix admin bug for Ubuntu 8.10/Apache 2.2.9
  • #9806: Fix GeometryField in admin [punted to 1.2]
  • #9620: AppCache issues with SpatialRefSys and GeometryColumns models (to be seen in admin)

Refactor GEOS and GDAL interfaces

  • Goals: clean up cruft, modularize better, move tests into modules, docstring & comment cleanup

GEOS

  • Already modularized
  • #9557: no error message when using old GDAL and trying to get GEOJSON
  • #9877: Pythonic, list-like interface to GEOS geometries.
  • #10222: Add support for line_merge

GDAL

  • #9806: (for fixing OGRGeomType)
  • #9855: Simplify SpatialReference intiialization with SetFromUserInput (​already fixed in mercurial)
  • #10368: Add expand_to_include method to gdal Envelope
  • #10380: Envelope should allow min_x == max_x and/or min_y == max_y

Google Maps

  • Documentation!
  • #9204: Add GIcon
  • #9955: Support for multiple maps.
  • #10072: Add draggable option for GMarker.
  • General code cleanup; may trim up template path ('templates/gis/google/js/google-map.js'.replace('/js', ''))

Oracle

  • #9794: SQL works on 10 but not on 11 -- bug in Oracle or GeoDjango?

Miscellaneous

  • #9858: Add TEMPLATE_POSTGIS setting
  • #9437: Database connection is closed prior to first HTTP request when deploying via FastCGI

Mercurial Intro

Fortunately, you will only need to learn a subset of Mercurial's features to participate -- and most of them are very similar to what you would do in SVN. This section is a brief guide of the mercurial commands you'll need to work with the gis-1.1 repository.

Installation

For those with setup tools and a command-line: 

$ easy_install mercurial

However, there are also ​Mercurial binary packages for Windows and Mac OS X.

Getting a Copy

Here's how to get a copy of the repository -- unlike SVN, you get every changeset when you "clone" a repository: 

$ hg clone http://geodjango.org/hg/gis-1.1/

Making Patches

After cloning, work with the code as necessary. Once modified, you create a patch as follows: 

$ hg diff > my_patch.diff

However, if you've made your own changes (e.g., checked in your own local revisions with hg ci) then you will need to send me a diff to the latest pulled revision from the repository. In other words, something like: 

$ hg diff -r 49

Updating (Pulling)

To get the latest changes (analagous to svn update), you pull the new changesets and then update the repository with the following commands: 

$ hg pull
$ hg update

Or, if you're lazy you can do it in one command: 

$ hg pull -u
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