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Christoph Hormann wrote:
>
>
> "Greg M. Johnson" wrote:
>>
>> Based on mesh2.
>> Now to build a train. Perhaps actual trains should go on a less bumpy
>> surface, but this one tests the code...
>>
>
> I won't board a train on that route...
>
> When building railway tracks the irregularities in the surface are usually
> strongly compensated, it would be interesting to automatically modify the
> terrain according to this (i.e. cut in or build tunnels at the hills and
> add material/build bridges in the lower parts)
The engineers would first optimize the route to use the flattest terrain,
then they would cut and fill, tunnel and bridge as much as was required to
keep the tracks below a given grade and curvature.
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