Changeset 559 for trunk/INSTALL

Timestamp:

11/23/04 23:19:36 (4 years ago)

Author:

kake

Message:

Huge-ass pile of changes to make geo stuff work worldwide.

Files:

• trunk/INSTALL (modified) (2 diffs)

trunk/INSTALL

@@ -155 +155 @@
 
 
+  "What language will the site be in? (Please give an ISO language code.)"
+
+eg "en" for English, "it" for Italian.
+See http://ftp.ics.uci.edu/pub/ietf/http/related/iso639.txt
+
+
   "What's the name of the node to use for the text formatting rules link?"
 
@@ -162 +168 @@
 might want to call the node "Text Formatting Examples", "Text
 Formatting Rules", "House Style" or whatever.
+
+
+  "Distance calculation methods available are:
+      1) British National Grid
+      2) Irish National Grid
+      3) UTM ellipsoid
+   Which would you like to use?"
+
+  (and if you choose UTM ellipsoid)
+  "Which ellipsoid would you like to use? (eg 'Airy', 'WGS-84')"
+
+See http://www.vterrain.org/Projections/ for how this all works.
+A UTM (Universal Transverse Mercator) ellipsoid maps latitude and
+longitude to eastings and northings on a square grid, which allows
+more accurate distance calculations within the guide.  The British and
+Irish National Grids are scaled and parametrised versions of UTM
+ellipsoids (Airy 1830 in the British case, Modified Airy in the Irish).
+
+Please note that at the moment there is no provision for changing your
+mind later about which ellipsoid to use, but it shouldn't be too hard
+to write a conversion script so don't worry too much about picking the
+wrong one.  However do note that once you've entered some location
+data you should not change this value in the config file without running
+some kind of converter.
+
+If you decide to use the British or Irish National Grid, your users
+will be able to choose between entering location data as lat/long
+or as grid co-ordinates.
+
+You must have Geography::NationalGrid::GB installed to use the British
+National Grid, Geography::NationalGrid::IE to use the Irish National
+Grid, and Geo::Coordinates::UTM to use a UTM ellipsoid.
+
 
 * Custom templates and CSS