Difference between revisions of "Implementations/Libraries"

Revision as of 07:44, 10 April 2012

D

Erlang

Javascript

Semi-manual offline calculator

If you're going to be away from internet access, you'll need to compute the hash locally:

Download and extract this: http://lab.brainonfire.net/drop/geohash-offline.zip
Working example: http://lab.brainonfire.net/geohash-offline/calc.html

Notes

All you need is a Javascript-enabled browser. Tested in Firefox so far.
You will have to somehow acquire the Dow's opening value for the appropriate date; there may be a service to do this.
- Remember, if you're east of 30W, you should use the previous day's opening price, even if a new one becomes available later in the day.
The date is filled in automatically using the current timestamp.
You'll have to combine the computed fractional coordinates with your graticule coordinates yourself.
I grabbed MD5 and base conversion code from random internet sites.

k4

PERL

Geo::Hashing on CPAN

Reusable code library that can be used from any perl program:

Geo::Hashing Sample code

Python

Code snippets

Various code snippets can be found at Implementations/Libraries/Python.

Python package `xkcd.geohash`

This implementation IS NOT 30W-compliant.

There is Python package xkcd.geohash which is independent of the interactive coordinate calculator (but uses Google Finance as well).

Python 3 standard library

In Python 3.1 and above, an implementation of the geohashing algorithm is included in the antigravity module. Unfortunately importing the module will open a web browser.

>>>import antigravity
(opens the xkcd comic)
>>>antigravity.geohash(34,-118,b'2012-04-09-13057.57')
34.386614 -118.231675

RESTful implementation with Atom feed

This implementation IS FULLY 30W-compliant.

The source for the Atom feed is available through anonymous svn here: https://staticfree.info/svn/ghfeed/

This implementation uses web.py to give simple, clean URLs. To contribute to it, please contact xxv and he can set you up with commit access.

Shell Script

This implementation IS FULLY 30W-compliant.

Implementations/Libraries/Shell

@@ Line 2: / Line 2: @@
 == Erlang ==
 == Javascript ==
+=== Semi-manual offline calculator ===
+{{30w compliant|yes=1}}
+If you're going to be away from internet access, you'll need to compute the hash locally:
+* Download and extract this: http://lab.brainonfire.net/drop/geohash-offline.zip
+* Working example: http://lab.brainonfire.net/geohash-offline/calc.html
+==== Notes ====
+* All you need is a Javascript-enabled browser. Tested in Firefox so far.
+* You will have to ''somehow'' acquire the [[Dow]]'s opening value for the appropriate date; there may be a service to do this.
+** Remember, if you're east of [[30W]], you should use the '''previous day's''' opening price, even if a new one becomes available later in the day.
+* The date is filled in automatically using the current timestamp.
+* You'll have to combine the computed fractional coordinates with your graticule coordinates yourself.
+* I grabbed MD5 and base conversion code from random internet sites.
 == k4 ==
 == PERL ==