From ebd5682989f5929bdfc645bcbd36f57d182be233 Mon Sep 17 00:00:00 2001 From: Justin Bronn Date: Wed, 16 Mar 2011 02:58:35 +0000 Subject: [PATCH] Fixed #15533 -- Now use 3857 as spherical mercator projection instead of deprecated 900913 on platforms that support it. Thanks to cnorthwood for bug report and Christopher Schmidt for OpenLayers JavaScript workaround. git-svn-id: http://code.djangoproject.com/svn/django/trunk@15845 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- django/contrib/gis/admin/options.py | 9 ++++++++- django/contrib/gis/templates/gis/admin/openlayers.js | 1 + 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/django/contrib/gis/admin/options.py b/django/contrib/gis/admin/options.py index ae8fda5a29c..8e1faf23746 100644 --- a/django/contrib/gis/admin/options.py +++ b/django/contrib/gis/admin/options.py @@ -113,11 +113,18 @@ class GeoModelAdmin(ModelAdmin): from django.contrib.gis import gdal if gdal.HAS_GDAL: + # Use the official spherical mercator projection SRID on versions + # of GDAL that support it; otherwise, fallback to 900913. + if gdal.GDAL_VERSION >= (1, 7): + spherical_mercator_srid = 3857 + else: + spherical_mercator_srid = 900913 + class OSMGeoAdmin(GeoModelAdmin): map_template = 'gis/admin/osm.html' extra_js = ['http://www.openstreetmap.org/openlayers/OpenStreetMap.js'] num_zoom = 20 - map_srid = 900913 + map_srid = spherical_mercator_srid max_extent = '-20037508,-20037508,20037508,20037508' max_resolution = '156543.0339' point_zoom = num_zoom - 6 diff --git a/django/contrib/gis/templates/gis/admin/openlayers.js b/django/contrib/gis/templates/gis/admin/openlayers.js index 4324693c782..c455bffd58d 100644 --- a/django/contrib/gis/templates/gis/admin/openlayers.js +++ b/django/contrib/gis/templates/gis/admin/openlayers.js @@ -1,4 +1,5 @@ {# Author: Justin Bronn, Travis Pinney & Dane Springmeyer #} +OpenLayers.Projection.addTransform("EPSG:4326", "EPSG:3857", OpenLayers.Layer.SphericalMercator.projectForward); {% block vars %}var {{ module }} = {}; {{ module }}.map = null; {{ module }}.controls = null; {{ module }}.panel = null; {{ module }}.re = new RegExp("^SRID=\d+;(.+)", "i"); {{ module }}.layers = {}; {{ module }}.modifiable = {{ modifiable|yesno:"true,false" }};