Thank you Boyd and Seldom so much for all your advice and help. I will have a closer look at MapWel. I'm sure it will bring a lot of new aspects to the map-creation.
I made a little wok-flow document for my own use.......
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This is my work-flow so far in my wish for creating small maps for my eTrex30 based on the OpenStreetMap source and a few (free) tools for compiling, transferring and converting map-files:
(1)
Using JOSM download the area you want to show on your map. It might be necessary to download this area in smaller areas to avoid this error message:
The OSM server '
http://api.openstreetmap.org/api/0.6/' reported a bad request.
The area you tried to download is too big or your request was too large.
Either request a smaller area or use an export file provided by the OSM community.
As you download the smaller areas these will be acumulated in your JOSM editor field, so don’t worry.
(2)
If neccesary you can change or add new roads etc to your map. When ready save the map as data.osm.
(3)
To split the data.osm into files which can be handled by the Garmin GPS use the splitter program using this command in a command prompt (place splitter in a directory of ypur choice):
java -Xmx1000m -jar splitter.jar file.osm
I have changed Xmx2000m because I do not have 2G of free RAM for the process.
The resulting file “63240001.osm.pbf” can be transferred to your Mkgmap directory.
(4)
To make a Garmin map image file (IMG) open a command prompt and navigate to your Mkgmap directory. Then run the following command:
java -ea -jar mkgmap.jar [options] data.osm
This will produce a file called 63240001.img
(5)
To upload the IMG file directly to your eTrex30 you can use the program MapUpload from MapWel (free)
The program will detect your eTrex30 automatically. You are adding your IMG file by browsing to the relevant directory.
(6)
In order to convert your IMG file the be viewed by BaseCamp or MapSource you can use the free program MapsetToolkit.
(7)
Eventually load your tracks to BaseCamp and follow your daily walkings in the mountains. I think that BaseCamp scans tour Harddisk and shows the available maps in the map combobox to the left in the toolbar.
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I might find some track-files from my favorite greek island somewhere on the internet som I can play around with these a little.
My next ambition is to find some tools which can manipulate a track for instance by reducing the number of waypoints to a more reasonable amount. GPSBabel might be one of these tools?
Cheers from DK
Lars