I want to pass some instructions on how to reach a certain place to friends. Several routes are available with advantages and disadvantages (like shortest route, fastest route, prettiest route, most fun route,...).
A simple solution would be to download the map tiles and then use a graphic editor such as gimp and add a transparent colored line covering the routes I recommend. Then I can share the resulting image file and I have the desired effect. The problem is, that I need to repeat this task over and over if the map updates (at least if I want my map to be up to date as well) and people can't scroll or zoom.
I am open for other ideas as well.
asked 14 Sep '11, 19:52
You could get the whole layer into JOSM, select your route, then make an inverse selection so everything else is selected. Now go to EDIT->PURGE (do NOT DELETE instead) and export the result as GPX.
Btw.: I doubt you would have to change your GIMP-overlay very often. Mostly the route overlay would not change when the map slightly changes (simply keep the layers separate and exchange the map underneath), but I agree that an openlayers overlay is nicer.
answered 15 Sep '11, 23:04