New answers tagged garmin
one option is to download the osm data for the required country and view it uisng QGIS ... you might want to refer to this link .. How do I load OSM vector data in QGIS 2.x?
Selfrendering for smaller regions is easy with maperitive. The result almost looks like original Openstreetmap tiles. For browsing, Openlayers is all you need. Instead of fetching online tiles, you can supply an adress on disk using file:///, or use a local apache server to use http://localhost. Qlandkarte is also able to load locally stored tiles using ...
First step would be to add the white colour as an transparent pixel colour in QGIS. To do this, double click the georeferenced raster layer, and select the "Transparency" tab. There's a button to the right of this tab for "Add values from display" (looks like a pointer with a blue question mark behind it). Click this, then click somewhere on the white border ...
I assume you want contour lines from a DEM added to your Openstreetmap vector map. The best way to do that is using SRTM data with the mkgmap toolchain. If you hav the contours already as a shapefile, you could use a tool like shp2osm to transfer it into osm format, then create the Garmin img files from that. QGIS has no supprt for Garmin img vector ...
You should be able to use the "GarminCustomMap" plugin to create the .kmz file, then copy the .kmz file to the /Garmin/CustomMaps folder on your GPS receiver's microSD card. Create the CustomMaps folder if it doesn't yet exist.
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