When I released my new Toronto transit map I promised to release some of the tools I used to create it. Possibly the most useful tool I created is my command-line tile cutter. True, there are other image tilers, such as a Photoshop script and a web-based tool which uses Google Maps. I don’t have Photoshop and find it slow, and the web-based tool is difficult to use even with small files, so I crea