[OSM-talk] OSM-TileDownload - Python app to easily create maps
Frederik Ramm
frederik at remote.org
Sat Aug 9 13:04:21 BST 2008
Hi,
Jon Burgess wrote:
> Are you aware that the 'export' tab feature on the main site lets you do
> something similar but with an easier selection of the bounding box and a
> choice of map layers and output formats?
>
> It does have its limits though. It prevents you obtaining anything
> larger than about 2000x2000 pixels.
There's also http://opensteetmap.gryph.de/bigmap.cgi which again
requires you to input tile coordinates (or paste any tile URL into the
"Advanced" box to start). Then you get a map tile display and a menu
that allows you to shrink/expand the selection. (There's also a hidden
feature where you can add a "scale=nnn" parameter to the URL and it will
re-scale all tiles to a width of nnn pixels, to give you better overview
over large areas). When finished, you can either print from your browser
or download a perl script that will then download all tiles and make one
giant PNG from them.
I regularly use that to create 8000x5000 PNGs for poster printing, and
the CGI source is of course available for everyone who wants to improve it.
Bye
Frederik
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