Hi Mark, I'm curious as to why you want this. I added the tile trimming as a feature back in September as a result of a suggestion from Steve and I wasn't aware there was any downside to it: http://www.mkgmap.org.uk/pipermail/mkgmap-dev/2009q3/004080.html (note the first link no longer works) Chris MB> Back in the Baltic... MB> MB> When I split my map, the outside edge is ragged, i.e. the tiles that MB> reach the edge of the overall map don't finish at the same lat/lon. MB> So having split the map, I then have to manually edit the kml file MB> and tweak the coordinates for the outside edges to make them neat MB> and tidy. MB> MB> Is it possible for the splitter to be told an overall bounding box MB> for the map and make the outside edge match that (with rounding as MB> required)? That would be a great time saver for me. MB> MB> Cheers, MB> MB> Mark