gmap-tiles

Script to import static google map tiles as images

Motivation:

Build a high resolution static map image by stitching together smaller static map "tiles". Google static map api allows downloading 640x640 tiles, styled in a variety of ways. Those tiles can then be stitched manually in photoshop, or by some tool like hugin.

How to configure styling of static maps: play with https://snazzymaps.com/editor until you get the desired style, then from the json it is fairly straightforward to convert the config to the url params.

config.json

url-template:

The static maps download url with variables __LAT__, __LONG__ and __ZOOM__ in place.

zoom:

The zoom factor. This will affect the following parameter.

increment:

The delta of latitude or longitude between successive tiles. First choose the zoom level, then play with the lat/long in url such that the next tile will have approx 20% overlap. The difference in latitude or longitude is the increment.

start-coord:

The lat/long of the top-left corner of the desired map.

end-coord:

The lat/long of the bottom-right corner of the desired map.

Generate tiles:

Clear the images folder first.

python ./generate_tiles.py

This will generate the tiles in the images folder. The naming is: tile-RR-CC.png where RR is row index and CC is col index.