[talk-au] Snapping Major regional roads to GPS traces

John Henderson snowgum at gmx.com
Fri May 14 23:12:09 UTC 2021


On 14/5/21 4:23 pm, Bob Cameron wrote:
> Just checking if this is an okay thing to do. ie moving a major road
> so it is centred on GPS traces - assuming there enough data for
> accuracy (eg bidirectional, multi trace etc)

Just a word of caution, to say that using historical GPS data will undo
updates covering recent road straightening or other realignments.

> The traces are probably more accurate than overhead imagery.
>
> Other features placed relative to roads will also need moving?

I've moved rivers and railway lines in the past when that need was
unambiguous.



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