t:xMerge branch 'master' of github.com:nenuadrian/hacker-crusade

Author: nenuadrian

README.md

@@ -20,9 +20,13 @@ You might want to give a read to articles such as http://www.axismaps.com/guide/
 
 In case you don't already have a basic understanding of how GPS maps are tiled.
 
+I've experimented first with mapzen using this HTML5/PHP processing example:
+
+https://github.com/nenuadrian/OSM-Map-Canvas-Rendering
+
 # Known issues
 
-Very likely if you travel enough you'll hit rounding errors because of the coordinates. When you surpass a certain number of tile, the system should reset and select a new origin tile.
+Very likely if you travel enough you'll hit rounding errors because of the coordinates. When you surpass a certain number of tiles, the system should reset and select a new "primordial" tile to consider as origin of the coordinate system.
 
 There're are surely issues if you go around the globe (eg before first or after last tile in a row)