[OSM-talk] stop deleting abandoned railroads
John Eldredge
john at jfeldredge.com
Sat Aug 22 21:21:55 UTC 2015
Not precisely flat, but with very shallow grades, by definition. Regular
railroad engines (as opposed to cog railway engines) can't climb steep
slopes. So, if you are looking for a route without steep grades, a former
railway is a natural choice.
--
John F. Eldredge -- john at jfeldredge.com
"Darkness cannot drive out darkness; only light can do that. Hate cannot
drive out hate; only love can do that." -- Martin Luther King, Jr.
On August 18, 2015 8:28:47 AM Frederik Ramm <frederik at remote.org> wrote:
> Hi,
>
> On 08/18/2015 03:21 PM, Richard wrote:
>> Especially as many railways come with more or less dense key:ele tagging
>> they are much more reliable to derive height profile information than any
>> other data we have.
>
> Do I understand you correctly: We should map abandoned railways because
> we lack a good source of elevation data?
>
> That sounds like a very strange proposal to me. Perhaps the wiki
> documenting the "abandoned" value should be amended by "not to be used
> for abandoned mountain railways, because cycle routers will prefer
> routing along abandoned railway lines under the assumption that they
> must be flat"?
>
> Bye
> Frederik
>
> --
> Frederik Ramm ## eMail frederik at remote.org ## N49°00'09" E008°23'33"
>
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