Perfect! Thanks for the link. I want to run this over the classic SimCity tile set (and the additional ones in the add-on graphics sets like the moon base, etc)

Perfect! Thanks for the link. I want to run this over the classic SimCity tile set (and the additional ones in the add-on graphics sets like the moon base, etc), to generate high resolution pixel and vector tiles for the JavaScript browser based version of Micropolis (GPL SimCity).