[mkgmap-dev] precompiled sea

Hi, I have not used precomp sea before and am struggling to compile the sea tiles. Using the following process I get a map with no sea: Used osmfilter to extract just the coastline data Used splitter on the coastline data Used mkgmap on the splitter data with a simple style that just processes coastline and with --generate-sea=multipolygon. I can see some img files created in my sea folder Used splitter again on the original data Used mkgmap again with --precomp-sea and --generate-sea=multipolygon Am I doing something wrong? Regards, Mike