Re: [Talk-GB] GPS devices

2019-06-14 Per discussione James Harrison
On 14/06/2019 20:56, Simon Ritchie wrote:
> 
> I'm currently evaluating the Emlid Reach M+ device.  It's a lovely
> little thing, powered through the USB so can be run using a mobile phone
> power bank.  It has Bluetooth and uses your laptop or smartphone as a
> display and Internet connection.  So far I can make it accurate to about
> half a metre.

We've been trialling the RS+ devices and with two you can get
sub-decimetre faiiirly reliably (either using LoRa radios or IP
correction services). Their RS2 looks much improved, though, so I've got
a few on order. Bit pricier than the M+/RS+, but a proper "survey spec"
receiver.

-- 
Cheers,
James Harrison



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Re: [Talk-GB] OpenStreetCam or Mapillary?

2017-09-22 Per discussione James Harrison

On 21/09/17 22:33, Simon Poole wrote:
>
>
> while I don't have any first hand knowledge specifically about the
> UK,  but continental Europe has a largish number of companies that do
> that kind of photographic asset management professionally (and which
> seem to have an at least half working business model because they
> still exist). The results of the surveys they do tend to not be open
> to the general public for privacy reasons and so on, but getting our
> hands on that kind of material would be great. Naturally these kind of
> things tend to be "slightly" more expensive than using a smart phone
> camera.
>

I work for a company which is starting to do moderately large-scale
survey work including 30MP georeferenced 90% sphere image capture in
rural areas (generally in South/Midlands England). Not asset management,
so we take photos everywhere in our areas of interest, which are usually
villages and strung-out houses around them.

While sharing every picture is probably unthinkable due to volume of
data and other concerns, if a consensus as to a useful place to put some
panoramic images emerges (and that has an API/licensing model we can
work with) I'll certainly push for us to release what we can to OSM
contributors if it would be useful.

As an aside to this conversation, where are photos most useful for OSM
contributions? Just built-up areas or road junctions etc? If we were
designing a selector given a bunch of different capture locations, what
would produce the most useful images for map editing?

Cheers,
James


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