[OSM-dev] Traps in vector mapping
dieterdreist at gmail.com
Mon Oct 20 15:11:06 UTC 2014
2014-10-18 22:23 GMT+02:00 Sandor Seres <sandors39 at gmail.com>:
> Any vector smoothing algorithm (no matter if distance based, surface
> based, corridor based …) inherently moves slightly the line geometry
> nodes/vertices. So, if adjasent area fractions are processed independently,
> a common border section after the smoothing may result in slightly
> different poly-line section.
yes, the solution would be a fully topological model where you can simplify
connected geometries _together_ not independently (i.e. you'd simplify the
common border one time and use it for both adjacent areas).
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