[Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

Pierre Béland pierzenh at yahoo.fr
Wed Oct 18 23:03:03 UTC 2017


Malheureusement John, il y a eu pire comme problèmes de qualité pour l'ouragan Matthews. 
Pouratant, on prétendait supporter une urgence, puis une fois les medias ailleurs, on arrête les mapathons et on laisse les problèmes.  De là mon article sur HOT qui disait que c'était une cause oubliée.
 
Pierre 
 

    Le mercredi 18 octobre 2017 18:31:19 HAE, john whelan <jwhelan0112 at gmail.com> a écrit :  
 
 I completely agree with Pierre on this one.  Especially if its going to involve more than one University.
In Ottawa we imported the building outlines first through opendata.  Then new mappers can just add tags.  Just as a reminder here are some buildings mapped in Africa probably in a maperthon and its not untypical.

http://www.jatws.org/johnw/building3.jpg
I don't think we have the resources to clean up the map afterwards.  This is a project that Stats is interested in to sell the data.  There have been some conversations about the use of paid mappers this might be an appropriate use for them.  I'm not even sure we have enough resources to have an experienced iD OSM mapper at each location where they will be mapping and ideally it should be two.
Cheerio John

On 18 October 2017 at 16:21, Matthew Darwin <matthew at mdarwin.ca> wrote:

  
Hi all,
 
my 2c: 
 
 
If we want to have a bunch of new to OSM people map things, I would suggest that these is a physical location with experts present.   As we see with the Carleton University example (not uOttawa), it's hard to get new folks on board... i would guess  that although there was training provided to Carleton Students, it was done as a lecture rather than a lab.
 
I was introduced to OSM mapping by joining a meetup, getting an intro and then everyone sitting around one big table (experts and new folks) with their laptops and start working through whatever the project was. It lasted 2-3 hours. I thought it worked well, and could start working through things on my own after, but still asking questions of experts.  I still made mistakes, but having experts sitting in the same room to ask questions was invaluable for me.
 
  On 2017-10-18 04:04 PM, Pierre Béland wrote:
  
  Il y a d'autres priorités que les immeubles et je ne suis pas convaincu que l'objectif Immeubles 2020 proposé par des partenaires doit être endossé par la communauté OSM-Canada.
 
   Encore plus que le monde rural, il y a tout le nord à cartographier. Puis les divers projets de Mapathon on montré que de grandes vagues de nouveaux contributeurs arrivent rapidement, cartographient souvent sans la précision et la qualité nécessaire et quittent après souvent une seule soirée de participation. 
  L'objectif de tels mapathons doit être repensé. Il doit viser à initer et former des nouveaux contributeurs. L'exemple de l'université d'Ottawa nous montre comment ces groupes ont besoin de support. Il ne s'agit pas de faire de la publicité et les convaincre de démarrer des projets. Nous aurons ensuite à réparer les pots cassés.
  
  En  Haiti, lors de l'ouragan Matthews en octobre 2016 des vagues déferlantes de contributeurs ont laissé pendant deux semaines des vagues déferlantes de mauvaises données. Personne ensuite pour réparer. 
  Vite, vite, repensons cette approche.   
 Pierre 
   
  
     Le mercredi 18 octobre 2017 15:38:19 HAE, Stewart C. Russell <scruss at gmail.com> a écrit :  
  
   Hi Julia
 
 > I would like to know if you have any suggestions on
 > cities/towns/communities in Canada to focus on, particularly rural
 > regions that are not mapped and have high resolution imagery.
 
 I'd be pleasantly surprised if there was much intersection between
 "rural" and "high-resolution imagery" in Canada. Our rural population
 density is very low.
 
 Stewart 
 
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