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Calculates Open Street Map tile coordinates.

Project description

osmtilecalc

Open Street Map Tile Calculator

Calculates Open Street Map tile coordinates required to map the given area at certain zoom level.

Mapped area (bounding box) is a rectangle determined by given location coordinates and the radius parameter in kilometers which is a distance from the location to the corners of the rectangle.

Returns a list of urls pointing to calculated tiles.

Installation

This package is available on PyPI

pip install osmtilecalc

Usage

osmtilecalc latitude longitude radius zoom_level [-h] [-t] [-m]

positional arguments:

latitude Latitude of location in decimal format

longitude Longitude of location in decimal format

radius Radius from location in kilometers

zoom_level Map zoom level (0-21)

optional arguments:

-h, --help Show this help message and exit

-t, --total-only Only show total number of tiles

-m, --miles Change radius unit to US mile

Examples

You can use the osmtilecalc command to calculate your tiles:

$ osm-tile-calc 54.5189 18.5305 5 12
https://c.tile.openstreetmap.org/12/2257/1304.png
https://b.tile.openstreetmap.org/12/2257/1305.png
https://a.tile.openstreetmap.org/12/2258/1304.png
https://c.tile.openstreetmap.org/12/2258/1305.png
https://c.tile.openstreetmap.org/12/2259/1304.png
https://c.tile.openstreetmap.org/12/2259/1305.png

Or you can use the get_urls_for_location function to do it in your code:

>>> from osmtilecalc import get_urls_for_location
>>> get_urls_for_location([54.5189, 18.5305], 5, 11)
['https://b.tile.openstreetmap.org/11/1128/652.png', 'https://b.tile.openstreetmap.org/11/1129/652.png']

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