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authorEdmund von der Burg <evdb@mysociety.org>2011-02-07 18:57:27 +0000
committerEdmund von der Burg <evdb@mysociety.org>2011-02-07 18:57:27 +0000
commit6ddd88aad0c8e530b85f28d1917782dadedee10e (patch)
tree497621b5aecd74da1adf3b713388d06f67c44dcd /notes
parent6f749c7108dd3d8c961faaec5fe4012c92c68cd3 (diff)
Notes on the steps needed to migrate
Diffstat (limited to 'notes')
-rw-r--r--notes/osgb36_to_wgs84_notes.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/notes/osgb36_to_wgs84_notes.txt b/notes/osgb36_to_wgs84_notes.txt
index eeadbe887..71d36e2fd 100644
--- a/notes/osgb36_to_wgs84_notes.txt
+++ b/notes/osgb36_to_wgs84_notes.txt
@@ -2,12 +2,21 @@ These notes are for the FMS migration from OSGB36 to WGS84 coordinates.
Reference:
+ easting === longitude
+ northing === latitude
+
* http://en.wikipedia.org/wiki/Ordnance_Survey_National_Grid
* http://en.wikipedia.org/wiki/World_Geodetic_System
DB:
+ * dump schema from live db and confirm it matches schema.sql (you never know...)
* use PledgeBank's 'nearby' logic in problem_find_nearby() SQL function
+ * in 'alerts' table convert parameter and parameter2 if alert is 'local_problems' or 'local_problems_state'
+
+CODE:
+
+ * update all calls to problem_find_nearby swapping parameter order.
UI maps: