[Historic] December Historical OSM Hangout Notes

Mon Dec 17 23:22:50 GMT 2012

Yes, I've been looking at apache2-mod-tile/renderd for getting started,
following some of the instructions at switch2osm.org and various other
parts of the Interwebs.

On Mon, Dec 17, 2012 at 3:11 PM, Mikel Maron <mikel_maron at yahoo.com> wrote:

> Jeff
>
> What are you using to serve tiles? mod_tile?
>
> I wouldn't worry about restricting tile rendering, at least now as a
> blocker. Unlikely anyone would browse enough to fill up significant disk.
> And can simply monitor disk usage, if it starts to creep up, just dump the
> tile cache.
>
> -Mikel
>
>
>
> * Mikel Maron * +14152835207 @mikel s:mikelmaron
>
>   ------------------------------
> *From:* Jeff Meyer <jeff at gwhat.org>
> *To:* Mikel Maron <mikel_maron at yahoo.com>
> *Cc:* "historic at openstreetmap.org" <historic at openstreetmap.org>
> *Sent:* Monday, December 17, 2012 1:57 PM
> *Subject:* Re: [Historic] December Historical OSM Hangout Notes
>
> Hi Mikel!
>
> Thanks for the offer - I've actually made some progress on this & should
> have the Rails Port hosted relatively properly (e.g. sending mail from the
> right place, etc.) in the next few days.
>
> Tile serving has me a little stumped right now. That's really where the
> fun in historical mapping will be - seeing the rendered results of your
> mapping efforts. If we set up a tile server as part of the sandbox, I'd
> like to limit tile rendering at low zoom levels (say 15+) to selected
> bboxes, but need to figure out a way of doing this. Otherwise, I could end
> up owning a RAID array before I know it! : )
>
> Any thoughts / suggestions are most welcome!
>
> - Jeff
>
>
>
>
> On Mon, Dec 17, 2012 at 6:20 AM, Mikel Maron <mikel_maron at yahoo.com>wrote:
>
> Right on. Sorry to miss this one. (Going to miss the next one too,
> travelling that day).
>
> For the rails port, if having a server is a stumbling block, I can offer
> up space on GroundTruth's dedicated server.
>
> * Mikel Maron * +14152835207 @mikel s:mikelmaron
>
>   ------------------------------
> *From:* Jeff Meyer <jeff at gwhat.org>
> *To:* "historic at openstreetmap.org" <historic at openstreetmap.org>
> *Sent:* Wednesday, December 5, 2012 3:11 PM
> *Subject:* [Historic] December Historical OSM Hangout Notes
>
> Hi all -
>
> We'll have better prep next time, but thanks to Eric Butler & Stefano
> Costa for joining in a fun conversation.
>
> Items discussed:
> - Introductions & review of interests
>   -- Stefano is an old-time OSM'er who also works with archaeological
> efforts in Italy, near the French border
>   -- Eric is here in Seattle and cannot remember what was in that empty
> retail space he passes on the street & wants to work backward as far as he
> can, using the extant OSM database as a starting point
>
> - Discussion of a potential workflow for extracting semantic information
> from old maps using the OSM infrastructure
>   -- In many ways, this is a modification of Brad Thompson's work with
> pastmapper.com:  http://blog.pastmapper.com/vectorization/
>   -- Used Seattle's Pioneer square in 1878 as an example
>   -- Extract data for region of interest from modern OSM data using JOSM
>   -- Delete everything down to the road grid
>   -- If possible, warp a map to use as a base layer - see:
> www.mapwarper.net
>   -- Trim the street grid down to what existed at the time
>   -- Start... artisinally.... building things up from scratch, using
> whatever sources are available
>   -- See:  http://i.imgur.com/Mj2nh.jpg
>       ---- Clearly, this is overtagged & many of these tags belong in
> other systems, e.g. linked Historical Business Directories or People
> Directories or image databases, but it's stored here for now
>       ---- The roads are from modern OSM, the buildings & other
> information are hand-added
>
> - Discussion of need for getting the Rails Port up & running already
>   -- I am behind on this, need to get moving
>   -- Stefano pointed out need for just having something to get started with
>   -- Stefano mentioned possible interest in Pleiades import, etc.
>
> - Once the HO Rails Port is up & running, we could then identify what
> needs to be fixed to simplify and streamline the workflow
>
> - Stefano: Interest in mapping geographic changes over time
>   -- e.g. paths of rivers over 100s of years
>
> - Eric: Interest in being able to populate map information from geocoded
> business information, which is good once there are addresses.
>
> - Jeff: I'd like to see greater International participation in the
> brainstorming for this effort, so that we're all more aware of various
> related efforts around the world & to make sure we're putting enough global
> perspective into our planning. (Is there ever too much?)
>
> That's about it for now... need to get that Rails Port up and going...
>
> Please send any suggestions or ideas to the list.
>
> Next hangout: 9 January, 9am Seattle, 5pm London
> - I'll market this one a little better & provide more advance notice.
>
> Links discussed during the call (in chrono order (of course!))
> www.pastmapper.com
> http://www.burkemuseum.org/waterlines/
> http://wiki.openstreetmap.org/wiki/OSM-Historic
> http://www.showme.net/~fkeller/quake/images/missrivoldpaths.jpg
> http://tiles.mapbox.com/jeffme/map/seattlebaist1912
> http://orbis.stanford.edu/
> http://omnesviae.org/
> http://lodlam.net/
>
> Thanks,
> Jeff
>
> --
> Jeff Meyer
> Global World History Atlas
> twitter: GWHAThistory
> www.gwhat.org
> jeff at gwhat.org
> 206-676-2347
>
>
>
> _______________________________________________
> Historic mailing list
> Historic at openstreetmap.org
> http://lists.openstreetmap.org/listinfo/historic
>
>
>
>
>
> --
> Jeff Meyer
> Global World History Atlas
> www.gwhat.org
> jeff at gwhat.org
> 206-676-2347
>
>
>
>
>

-- 
Jeff Meyer
Global World History Atlas
www.gwhat.org
jeff at gwhat.org
206-676-2347
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