On 03/09/12 21:25, Charles Gregory wrote: > Hi everyone, > > I've received a KML of all of Tasmania's high voltage transmission lines > from a representative of Transend Networks, with no restrictions on their > usage, so I am free to upload these into OSM.
I don't find verbal permission as acceptable and would hope that the rest of the OSM community would agree. So I would second that you get the license information in writing as you mentioned. > > At the moment in OSM, some lines already exist and include towers (sourced > from bing imagery), some only have towers (most likely due to redaction), > and some lines are not marked at all. > > The KML file includes only lines - not towers - they have a license for the > tower information - while it costs nothing, it can not be re-distributed. > > I could > 1) Delete the existing data and replace with 100% official data, but then > the tower information would be lost. No. Don't do that. That is vandalism. Also OSM probably has some areas of existing data which is better than the "official data" and in these cases we don't want the "official data" we want what mappers have mapped as existing on the ground, not what the network operator says is there. > 2) Only replace the missing lines, but then there would be inconsistencies > (some with towers, some without). > > What is the preferred option? I'm tending to go with the second option, > since from a brief inspection, the existing OSM ways are pretty accurate > when compared with the official data. So long as the sources for each line > are accurate it shouldn't be too much of an issue. >
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