Re: [Talk-GB] Possible use of OS triangulation stations to determine aerial imagery offset

2016-09-01 Thread Dave F
Could you clarify if by merge/import you mean it to be performed manually or programmatically? Personally I think manually is the way to go, possibly as a Quarterly Project asimilar to the schools update. Local knowledge will definitely produce more accurate results. I'd use P2's Task to

Re: [Talk-GB] Possible use of OS triangulation stations to determine aerial imagery offset

2016-09-01 Thread ael
On Thu, Sep 01, 2016 at 05:16:42PM +0100, Greg wrote: > Hi all, > > I believe it may be possible to import/merge this data at some point in > the future so I'd be grateful if you could take a look. It is a pity that the gps passive stations are not included. Example:

Re: [Talk-GB] Possible use of OS triangulation stations to determine aerial imagery offset

2016-09-01 Thread Greg
Hi all, Since my last email, I've analysed the relationship between the OS triangulation station data and OSM 'man_made=survey_point's in Great Britain. You can read about this on my wiki page [http://wiki.openstreetmap.org/wiki/User:Gregrs/Ordnance_Survey_triangulation_stations]. I believe it