On Mon, May 19, 2008 at 10:17 AM, Andy Allan <[EMAIL PROTECTED]> wrote: > On Sat, May 17, 2008 at 11:51 PM, Thomas Wood > <[EMAIL PROTECTED]> wrote: >> On Sat, 2008-05-17 at 21:47 +0100, OJ W wrote: >>> The cycle map seems to have the openlayers permalink bug [1] - is it >>> possible to apply the latest openlayers corrections so that it uses >>> lat/long in permalinks? >>> >>> Can someone from OL also reply to this, saying how to do the correction? >>> >>> >>> >>> [1] >>> http://www.gravitystorm.co.uk/osm/?zoom=13&lat=6781599.86453&lon=-126905.18782&layers=B00 >>> >>> 6781599 degrees north is not the usual way of representing positions >>> >>> _______________________________________________ >>> dev mailing list >>> [email protected] >>> http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/dev >> >> As noted on IRC, this is not a bug, but a raw expression of the way we >> make our tiles, the numbers represent the distance in meters from the >> origin. I guess they're not strictly lats and lons, but its just OL's >> terms for the permalink. >> >> Attached is a modified copy of the map.js used on gravitystorm.co.uk >> which uses the projection features in OpenLayers 2.6, it sets >> displayProjection to fix the bug, and changes the existing reprojection >> functions to be wrappers around the OL code. >> >> It should just slot in, but is untested. It should also handle the >> existing permalinks semi-intelligently, assuming they're the old format >> if: >> a) The OL permalink control puts the position outside of the map's >> maxExtent (ie: sets centre to 0,0) >> b) lat, lon, zoom params are numbers (checked to be outside the expected >> range for lat lons) > > Wow, cheers for this. > > As for the other replies - it wasn't something I'd ever thought of > when setting it up originally, but the next version of the map had > this "fixed" (using the new openlayers). What I'd be very interested > in is a little php script which takes the old style URLs and throws a > 301 to a different URL with new-style urls after having done some > maths. >
you mean something like this? (only converts lon,lats where the values lie outside the range -180,180,-90,90)
check.php
Description: application/httpd-php
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