Choose zoom of tiles most appropriate for storing points to search within walking distance

dudarev / locograph

People and robots unifying information about places.

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Choose zoom of tiles most appropriate for storing points to search within walking distance #9

Open dudarev opened 10 years ago

dudarev commented 10 years ago

Read about

http://wiki.openstreetmap.org/wiki/QuadTiles

Fill the table below (width and height of tiles are in kilometers). It should have width and height of tiles on equator and longitude of 45 degrees. It may be a good idea to have formula for them.

Zoom level	Width on equator(km)	Height on equator(km)	Width on 45(km)	Height on 45(km)
1
2
10	41.139	18.8	28.77	18.8

xentatt commented 9 years ago

Implementation in the following Google Docs

xentatt commented 9 years ago

Slippy Tiles: screen shot 2014-09-30 at 10 19 10 am