User:Tobiasco/gmap
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- linking
- https://www.youtube.com/watch?v=IYqfT9i1las
- 0:28 tile overlays
- zoom 0 ... 17
- each tile 256x256 px
- z0 NW 0,0 SE 255,255 (world as 1 (4**0) tile)
- z1 world as 4**1 tiles = 2^2^1
- 0:31:31 overview
- hmap: arrows must relate to px, so that clicking right arrow + left arrow brings original position