[HOT] Optimal NAS tech specifications to serve imagery tiles

Dale Kunce dale.kunce at gmail.com
Wed Mar 22 16:38:42 UTC 2017


I forgot to mention that we are spending a lot of time to update and get
better documentation on POSM out there. Just this week we started to work
on the content for a better website. The site is not complete and many
things will be changing but it will give you a good idea of the content we
are creating. If you have any suggestions please file the issues here
https://github.com/posm/posm.io/issues

https://posm.github.io/posm.io/



On Wed, Mar 22, 2017 at 9:34 AM, Dale Kunce <dale.kunce at gmail.com> wrote:

> POSM was developed exactly for this type of use case. The status.md isn't
> up to date and should be ignored.
>
> POSM does host imagery with the new OpenDroneMap module. You can add a
> tiff and it will be served as a TMS. You an also add any MBTile archive
> (bing) and have that served as well. POSM is designed to take an AOI, use
> collected imagery, host field papers, and have support for mobile data
> surveys all offline.
>
> Happy to answer any questions that anyone might have.
>
> Dale
>
>
> On Wed, Mar 22, 2017 at 9:08 AM, Joseph Reeves <iknowjoseph at gmail.com>
> wrote:
>
>> Thanks John, but I'm mostly certain POSM doesn't host imagery:
>> https://github.com/posm/posm/blob/master/STATUS.md
>>
>> Looks like it could be a good feature to add though! Looks like Dale has
>> opened an issue on it already: https://github.com/posm/posm/issues/277
>>
>> Cheers, Joseph
>>
>>
>>
>> On 22 March 2017 at 15:58, john whelan <jwhelan0112 at gmail.com> wrote:
>>
>>> ​an old post giving details.
>>>
>>> John​
>>>
>>> Matt Sayler <matt.sayler at gmail.com>
>>> 15/08/2016
>>> to me, Laura, hot
>>> POSM & Red Cross had an excellent presentation at SOTMUS, and Seth
>>> mentioned he'd be willing to set some up for the cost of hardware and
>>> brownies (I assume that will become dependent on demand/appetite):
>>> http://stateofthemap.us/2016/field-mapping-at-scale/
>>>
>>>
>>> Nutshell: POSM is for mapping in low/no service areas. It can serve as
>>> a local, disconnected OSM server, which can later push changes up to the
>>> main OSM when in an area with service. They primarily use Intel NUC's
>>> (~$350 for all hardware, runs off ~6w), but have installed it on Rasberry
>>> Pi, Intel Edison, Beagle Bone, etc. I'm not aware of them doing a usb
>>> bootable install, but might be possible? Red Cross uses $50 Android phones
>>> & Field Papers for doing the mapping.
>>>
>>> Pretty freaking cool project!
>>>
>>> https://github.com/AmericanRedCross/posm
>>>
>>> On 22 March 2017 at 11:53, Joseph Reeves <iknowjoseph at gmail.com> wrote:
>>>
>>>> > In a windows environment its fairly easy to configure.  In the
>>>> security tabs for the folder you just make the folder shareable but read
>>>> only.
>>>>
>>>> There's OSM editors that will source imagery over SMB? I've never
>>>> looked into it, but I'd be surprised.
>>>>
>>>> Thinking about this very quickly, my points would be:
>>>>
>>>> 1: RAID: I'd want some disk redundancy as the device is likely to be
>>>> used in tough environments that are far from good sources of replacement
>>>> disks, or replacement imagery.
>>>> 2: Software: As already mentioned, you're going to need some software
>>>> to serve the tiles. WMS? You'd want a device that was easy to get running
>>>> with third party software. Performance may also be an issue, depending on
>>>> how many people you were catering for.
>>>>
>>>> I hope someone will come along with an example of what they've managed
>>>> to do before. If not it should be a fun exercise :)
>>>>
>>>> Cheers, Joseph
>>>>
>>>>
>>>>
>>>> On 22 March 2017 at 15:42, john whelan <jwhelan0112 at gmail.com> wrote:
>>>>
>>>>> Are you looking for information on how to do it?  On suggested
>>>>> hardware?
>>>>>
>>>>> Essentially for this purpose I see no reason why one local machine
>>>>> such as a lap top couldn't feed the others.  In a windows environment its
>>>>> fairly easy to configure.  In the security tabs for the folder you just
>>>>> make the folder shareable but read only.
>>>>>
>>>>> Have you  looked at POSM?  (Portable OSM) they may have this already
>>>>> worked out and documented for the field.
>>>>>
>>>>> Thanks John
>>>>>
>>>>> On 22 March 2017 at 11:22, Claire Halleux <claire.halleux at hotosm.org>
>>>>> wrote:
>>>>>
>>>>>> Hello HOT Community,
>>>>>>
>>>>>> I'm currently looking into NAS specifications for serving imagery
>>>>>> tiles locally for OSMapping purposes. The NAS would be coupled to a router
>>>>>> accessible to the mappers. Contributors would still be connected to the
>>>>>> relatively slow Internet for downloading/uploading their data but the idea
>>>>>> is to get the ability to load imagery tiles much faster and access
>>>>>> additional images, in particular during mapathons.
>>>>>>
>>>>>> Therefore I would welcome any feedback from people, organisations or
>>>>>> communities using similar hardware to support data digitizing.
>>>>>>
>>>>>> Thank you!
>>>>>>
>>>>>> Claire
>>>>>>
>>>>>> Claire Halleux
>>>>>> +243 81 611 6998 (Kinshasa, DRC)
>>>>>> OpenStreetMap RDC
>>>>>>
>>>>>> _______________________________________________
>>>>>> HOT mailing list
>>>>>> HOT at openstreetmap.org
>>>>>> https://lists.openstreetmap.org/listinfo/hot
>>>>>>
>>>>>>
>>>>>
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>>>>
>>>
>>
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>
>
> --
> sent from my mobile device
>
> Dale Kunce
> http://normalhabit.com
>
>


-- 
sent from my mobile device

Dale Kunce
http://normalhabit.com
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