Hi Steve, I'm trying to find out why certain parts of the map blank and I did not get far. However, I'm noticing that the blanking issue seems not to depend on certain ways or nodes, nor does it depend on the size of the tiles. It seems a generic issue of a sub-map. Here your GMP file could come in. Maybe there's som subtle sort of caching going on, where the maps should only have a certain size of should only contain ... ? Having a container that can divide an area seems just the right way to do it, then. Best regards, Valentijn Steve Hosgood schreef:
I just added info on the .GMP subfile that I discovered whilst dismantling an official Garmin .IMG file. It seems to be a container for the .TRE, .RGN, .LBL, .NET and .NOD files that handle a subtile of the area covered by the .IMG file itself. Not sure why they bother to do this... surely the individual files could just be just be present individually? [...]