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How to translate from coordinates to zoom_level, tile_column, tile_row? #34

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eliOcs opened this issue Jun 13, 2013 · 2 comments
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How to translate from coordinates to zoom_level, tile_column, tile_row? #34

eliOcs opened this issue Jun 13, 2013 · 2 comments

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@eliOcs
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eliOcs commented Jun 13, 2013

I'm currently generating a .mbtiles file using TileMill and OpenStreetMaps data (with the OSM Bright project).
To optimize the file size I'm thinking of only leaving the high zoom tiles in the certain coordinates of the map. To know which tiles I can delete I need to know how to transform coordinates into: zoom_level, tile_column, tile_row pairs.

Has this been done before?
Can tiles be deleted without corrupting the .mbtiles file?
@kkaefer
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kkaefer commented Jun 14, 2013

See https://github.com/mapbox/node-sphericalmercator

@kkaefer kkaefer closed this as completed Jun 14, 2013
@eliOcs
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eliOcs commented Jun 14, 2013

👍 THANKS!

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@kkaefer @eliOcs