How to make my own vector maps?

[Buster Christenson]

I found some KML files from the USFS that have roads information that isn't in OSM yet.  It'll take a while before gets into OSM, so for now I'd like to see if I can add it to my maps in OSMAND?

I took a KML, opened it up in JOSM and Conformed all the tags to OSM (turned ways into tracks and unclassified highways, set track types and surfaces).  Then I removed all the non OSM tags and ran it through validator and then saved it as an OSM file.

I then ran the OSM file through OSMMapCreator.

I copied the files into the root of OSMAND and also in the Tiles folder and I don't see these new vector maps I created.

Any ideas how I can get this data presented in OSMAND?

If I add these are they additive to the maps already downloaded or are they replacements for?

[A Thompson]

You can check the contents of the .obf you created with OsmAndMapCreator using the inspector.bat/.sh utility that comes with it, like this:

inspector.bat -vmap -vmapobjects -osm myfile.obf

When you copy the .obf to the directory where OsmAand keeps its normal map .obf files, you need your filename to have a later sort-order than the country map you are augmenting. I usually just use zzz.obf

Objects having the same id as in the country map should replace them, and new id's should appear as extra objects.

I have limited experience, and invite others to correct anything above, but I've succeeded with similar projects to yours using the same method. Good luck!