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BigMap 2

This is a successor to BigMap script: a tool to stitch map tiles and produce a PNG image. Among improvements are:

  • Better landing page with Leaflet and URL parsing.
  • More than fifteen popular tile layers to choose from.
  • KML, WLD and OziExplorer MAP meta files generation.
  • Map downloading script can be produced in Python language.
  • Fixed user agent and small pauses while downloading.
  • Attribution on generated images.
  • Server-side stitching with a queue.

Installation

The following directory structure is recommended:

Path Mode Description
./ 0755 Place scripts from scripts directory here, with 0755 mode on them.
./queue/ 0777 Working directory that should be outside wwwroot.
./queue/tasks/ 0777 Task files will be put here by PHP scripts.
./queue/queue 0666 A queue file that will be modified by PHP scripts.
./www/ 0755 WWWRoot. Place PHP scripts here and point HTTP server to it.
./www/result/ 0777 A directory for generated image files.

Then modify paths to be absolute in bigmap_download.pl and purge_images.pl scripts, so they can be called by cron. Also change server address in bigmap_download.pl and size limit in purge_images.pl. And add those two lines in crontab -e editor (your intervals may vary):

*/2 * * * * /var/www/.../bigmap_download.pl
2 */6 * * * /var/www/.../purge_images.pl

Of all PHP scripts only queue.php needs configuring: you should change e-mail in there, and may want to alter limits. Tile limit is specified in $max_tiles variable in bigmap.php.

After changing tiles.txt you would want to update Leaflet layers in index.html. To do this, just check paths in scripts/tiles2html.pl and run it.

License

All scripts were written by Ilya Zverev, partly based on public domain code by Frederik Ramm. Published under WTFPL license.