2008/7/2 Stefan de Konink <[EMAIL PROTECTED]>: > Chris Browet schreef: > >> >> >> 2008/7/2 Stefan de Konink <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>: >> >> >> Chris Browet schreef: >> >> Merkaartor will soon have a function to transform GPS tracks to >> OSM roads automatically. >> >> >> Does it have an update algorithm like Mapgenerator[1] so it is also >> possible get more precise if there is more nmea data available over >> time? >> >> I didn't knew about Mapgenerator, so I don't know. >> The algorithm takes all the point from the nmea/gpx, compute possible >> roads from the last accepted node, then removes all previous points which >> are under about 10m of a possible straight road (hard to explain). >> So, yes, the more you have points, the more precise the road will be. I >> use 1 sec NMEA and the results are pretty good. Number of nodes is very >> reasonable and fits nicely to the track. >> >> Actually, the extract function is already in SVN for a while (right-click >> on a Track layer -> Extract), just that upload is not possible right now. >> > > But I drive the road twice, would I get the road updated for examples moved > in an X/Y direction and averaged the two traces out? >
No, my algorithm doesn't go that far... But it's a nice idea, though.
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