Difference between revisions of "Talk:Cambridge, United Kingdom"
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Challenge: anyone like to write a modified destination finder that shows the four closest destinations to Cambridge? - Sarah | Challenge: anyone like to write a modified destination finder that shows the four closest destinations to Cambridge? - Sarah | ||
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+ | ==Mini Geohashing== | ||
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+ | A new idea for the bike-powered. To get a location always close to the centre of Cambridge, try mini-geohashing over an area 1% of a standard graticule. | ||
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+ | Method: find your current coordinates and remove everything after the first decimal place. In Cambridge, that's going to be either 52.1 or 52.2 north and 0.0 or 0.1 east. Then add the standard string of digits to the end of the number. | ||
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+ | E.g. the geohash coordinates for Sunday 25th May 2008 in the standard graticule are 52.941774°, 0.182873°. That makes the mini-geohash location closest to the centre of Cambridge 52.1941774°, 0.1182873° - [http://maps.google.co.uk/maps?f=q&hl=en&geocode=&q=52.1941774%C2%B0,+0.1182873%C2%B0&ie=UTF8&ll=52.194166,0.119176&spn=0.012469,0.040169&t=h&z=15&iwloc=addr much more convenient] | ||
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+ | What do you think? - Sarah | ||
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+ | :I like it in principle, but I think we risk diluting an already-small number of people. A good coverage of Cambridge would seem to be 52.15° + 0.1 x, 0.1° + 0.1 y. Also, if there's a convenient hash every day, it would make it significantly less special when the numbers happen to work out. Perhaps only on Saturdays (and maybe only when the usual hash lands outside of the (52.15, 0.1) - (52.25, 0.2) box)? What do other people think? - Richard |
Revision as of 07:03, 17 June 2008
Strangely enough, if the meetup location actually was in Cambridge then there would be 2 meetups in cycling range. Well, one would be quite a long cycle... but still, we're only 5 miles from the prime meridian and everything is reflected the other side so it's possible to get 2 meetups arbitrarily close together. 131.111.202.214 09:33, 22 May 2008 (UTC)
Challenge: anyone like to write a modified destination finder that shows the four closest destinations to Cambridge? - Sarah
Mini Geohashing
A new idea for the bike-powered. To get a location always close to the centre of Cambridge, try mini-geohashing over an area 1% of a standard graticule.
Method: find your current coordinates and remove everything after the first decimal place. In Cambridge, that's going to be either 52.1 or 52.2 north and 0.0 or 0.1 east. Then add the standard string of digits to the end of the number.
E.g. the geohash coordinates for Sunday 25th May 2008 in the standard graticule are 52.941774°, 0.182873°. That makes the mini-geohash location closest to the centre of Cambridge 52.1941774°, 0.1182873° - much more convenient
What do you think? - Sarah
- I like it in principle, but I think we risk diluting an already-small number of people. A good coverage of Cambridge would seem to be 52.15° + 0.1 x, 0.1° + 0.1 y. Also, if there's a convenient hash every day, it would make it significantly less special when the numbers happen to work out. Perhaps only on Saturdays (and maybe only when the usual hash lands outside of the (52.15, 0.1) - (52.25, 0.2) box)? What do other people think? - Richard