User:Sourcerer/KML tool

Double check the output - it's not thoroughly tested yet!

This calculator creates a KML file.

If Google Earth or another application that understands this file format is installed, it should launch and display the hashpoints for your specified date and graticule.

Usage

Use this input form or modify the web address below ...

http://nbest.co.uk/kmlGeohash/index.php?date=2008-05-21&lat=52&lon=0&skins=2

If any URL parameter is omitted, a default value is used instead.

• date - formatted yyyy-mm-dd - the default is today's date - alternatively try for example, 1 for tomorrow or -2 for the day before yesterday.
• lat - your graticule latitude - the default is 51 (Grenwich London).
• lon - your graticule longitude - the default is 0 (Grenwich London).
• skins - like an onion, the number of layers of points surrounding the home point - the default is 1 giving 9 hashpoints - the limits are 0 to 6.
• debug - check this or add '&debug=debug' to expose the guts of the algorithm.

Up to six skins are needed for grand days out like this ...

All stops in consecutive order: St. Pölten, Linz, Passau, Landhut, München, Plezen, Tabor, Jihlava, Brno, Olomouc, Bratislava, Wien Sourcerer provided this (his words!) "Table of awesomeness" Lat/Lon 2015-08-02 11 12 13 14 15 16 17 49 B B 5 09:51 6 11:56 7 13:23 8 14:57 9 16:50 48 4 06:36 3 04:24 2 02:41 1 00:47 A n/a 11 Start: 22:00 End: 20:48 10 18:53 A - Inaccessible mountain forest. B - Backup hashpoint, not visited. Google map with all hashpoints

Bugs and feature requests

Please put bugs and requests on the discussion tab.

Tests

2008-05-21 89,0 89,-30 Grenwich 0,0 0,-30 -89,0 0,179 0,-179 Atlanta Australia SouthGeorgia

Yesterday 89,0 89,-30 Grenwich 0,0 0,-30 -89,0 0,179 0,-179 Atlanta Australia SouthGeorgia

Today 89,0 89,-30 Grenwich 0,0 0,-30 -89,0 0,179 0,-179 Atlanta Australia SouthGeorgia

Tomorrow 89,0 89,-30 Grenwich 0,0 0,-30 -89,0 0,179 0,-179 Atlanta Australia SouthGeorgia

Source Code and Documentation

• Source on GitHub
• Algorithm
• 30W Time Zone Rule
• Implementations KML_Tool