View source for User:David Souther/sandbox/Main Page

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! <h2 style="margin:0; background:#cef2e0; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Welcome</h2>
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|style="color:#000;"| Welcome to the '''Geohashing Community Wiki'''.  [[Geohashing]] is a ''Spontaneous Adventure Generator'', brought to you by the [[xkcd]] webcomic.

[[Image:Coordinates.png|right|240 px|[[The Algorithm]], as shown in [[xkcd]] [http://www.xkcd.com/426/ comic #426].]]
[[xkcd]] [http://www.xkcd.com/426/ comic #426], published on 21 May 2008, contains an [[algorithm]] that generates random coordinates around the world every day.  Everyone in a given [[Graticule|region]] gets the same set of coordinates.  As such, these coordinates can be used as destinations for adventures, ''à la'' [http://en.wikipedia.org/wiki/Geocaching Geocaching], or for local meetups.

For a little more interactive discussion, consider joining [irc://irc.foonetic.net/geohashing the #geohashing IRC channel] on Foonetic.
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! <h2 style="margin:0; background:#cef2e0; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">How it works</h2>
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|style="color:#000;"| '''Play with the coordinate calculator at [http://xkcd.com/geohashing http://xkcd.com/geohashing].'''  All coordinates refer to the [[wikipedia:WGS84|WGS84]] datum.

Every day, the [[algorithm]] generates a new set of coordinates for each 1°×1° latitude/longitude zone (known as a [[graticule]]) in the world.  They are randomly placed -- they could be in the forest, in a city, on a mountain, or even in the middle of a lake!  You can use this wiki to document the daily coordinates (geohashes) you've been to.

Unless you can accurately predict the [[DJIA|stock market]] down to the penny, you can't figure out what the coordinates will be ahead of time.  You can first calculate a weekday's coordinates at about 09:30 [[Eastern Time|US Eastern Time]], and on Friday you can calculate the coordinates for each day that weekend.

When visiting geohash locations, please [[geotrashing|respect the area]] you are visiting.  Absolutely do not litter or otherwise disturb the natural integrity of the area.  However, if possible, creating some kind of a marker out of nearby materials (i.e. cairn of stones, blair-witch-style 'stick figures', etc.) is encouraged.

{{disclaimer}}
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! <h2 style="margin:0; background:#cef2e0; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Official xkcd meetups</h2>
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|style="color:#000;"| {{:Saturday meetup}}
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Coordinates</h2>
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!width=20%| Date
!width=40%| West of [[30W Time Zone Rule|–30°]]
!width=40%| East of –30°
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! {{date link|2008-07-10|D j M Y}}
| {{coordinates|2008-07-10}}
| {{coordinates|2008-07-10|30w=1}}
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! {{date link|2008-07-09|D j M Y}}
| {{coordinates|2008-07-09}}
| {{coordinates|2008-07-09|30w=1}}
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! {{date link|2008-07-08|D j M Y}}
| {{coordinates|2008-07-08}}
| {{coordinates|2008-07-08|30w=1}}
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! {{date link|2008-07-07|D j M Y}}
| {{coordinates|2008-07-07}}
| {{coordinates|2008-07-07|30w=1}}
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! {{date link|2008-07-06|D j M Y}}
| colspan=2 | {{coordinates|2008-07-06}}
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| colspan=2 | {{coordinates|2008-07-05}}
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| colspan=2 | {{coordinates|2008-07-04}}
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! {{date link|2008-07-03|D j M Y}}
| {{coordinates|2008-07-03}}
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{{expedition archive recent}}
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Find others in your area!</h2>
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|style="color:#000;"| Want to find geohashers in your local area?  See [[:Category:Active graticules]] for a list of graticules with active users in them.
* Don't see your home area?  Follow the format and create a page for it!  We'd love to have you!
* An interactive map is available for [http://irc.peeron.com/xkcd/map/data/graticule.kml Google Earth] or on [http://maps.google.com/maps?f=q&hl=en&geocode=&q=http:%2F%2Firc.peeron.com%2Fxkcd%2Fmap%2Fdata%2Fgraticule.kml&ie=UTF8&ll=42.811522,-71.773682&spn=6.051885,9.733887&z=7 Google Maps].
* You can also attach your photos to this [http://maps.google.com/maps/ms?hl=en&ie=UTF8&oe=UTF8&msa=0&msid=102381707694098607871.00044e6104ed42cdc2ff4 Google Maps layer].
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Implementations</h2>
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|style="color:#000;"| A full list of reference and practical implementations can be found on the [[Implementations]] page.
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