[OSM-talk] A GPS Trace Visualizer

[John Smith]

On 18 August 2010 22:51, andrzej zaborowski <balrogg at gmail.com> wrote:
> For some time I have been thinking about making a tileserver / WMS
> with a visualisation of OSM GPS traces, but one where you can see how
> many traces overlap at a given point (so some kind of heat map thing).
>  This would be used for tracing in JOSM instead of displaying all the
> traces in the same colour.  This would really let you estimate where
> the centreline of a road / lane is and would let you really take
> advantage of having 1000s of traces for the same street (like in big
> cities with many mappers).

The centre line is obvious, but there is a number of other things you
could do as well, like indicating average/mean speed to help with
maxspeed=* tagging and also where traffic lights exist.