[OSM-dev] Way simplification (was Re: Garmin maps)

[Robert Hart]

> 
> Adding your example of merging two points may work nicer also, but
> even then it's not too much computation. There may be pathlogical
> cases where it won't work, but it should be close for most realistic
> uses.
> 

That will be important for simplifying topology, i.e. road junctions.

    |
----x---x---
        |

When zoomed out becomes:

   |
---x---
   |


I'd bet one pathological case is where two roundabouts are within one
"roundabout diameter" of each other. Hopefully because we are dealing
with tagged data rather than a plain network, we can do the right thing
more often,

Rob



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