The Algorithm
From Geohashing
Revision as of 15:17, 23 May 2008 by imported>Xkcd
- The current date and the daily opening of the Dow Jones Industrial Average are fed through the MD5 cryptographic algorithm.
- The resulting string is split in half and converted to decimal values less than one.
- The decimal values are tagged onto the end of the integer values of any given graticule to produce the geohash target.
Hexadecimal to fractional-decimal calculation
Many online hex-to-dec converters do not support hexadecimal fractions. Here is one that does:
This time, we 'did' invent the algorithm.