Something that has come up in the Netherlands is they did an import then
try to update the buildings once a month. By having some sort of id tag
on the building their feeling is it makes it much easier to pick out new
buildings.
On the technical side would we have such an id on the building outline
if we should wish to separate out new buildings and import them later.
Currently I don't think we do and someone maybe able to work it out from
the position but is it something we should think about?
Cheerio John
John Marshall wrote on 2018-11-04 6:40 PM:
Great idea John
John
On Sun, Nov 4, 2018, 16:48 john whelan <jwhelan0...@gmail.com
<mailto:jwhelan0...@gmail.com> wrote:
I've started the process off by an introductory post to the import
mailing list and we are working on a wiki page which will be based
on the Stat Canada City of Ottawa import wiki page.
Cheerio John
On Fri, 2 Nov 2018, 7:34 pm James <james2...@gmail.com
<mailto:james2...@gmail.com> wrote:
if anyone needs a TM or micro data service, I'm available for this
On Fri., Nov. 2, 2018, 7:32 p.m. John Whelan
<jwhelan0...@gmail.com <mailto:jwhelan0...@gmail.com> wrote:
This approach seems very sensible however Pierre has
raised the issue of poorly mapped buildings and we are
aware that some were mapped in a mapathon environment so
whilst Ottawa used a"leave existing buildings alone"
approach is this an area where some judgement should be
used? and yes I am aware that the official party line is
to correct what is there to retain the history which means
taking the "Ottawa" approach is less controversial but
would probably give us more inaccuracies on the map.
An alternative might be to import all the buildings with a
different tag than building=yes then leave it to mappers
to inspect each before turning the switch or change the
tags to building=yes. Those that overlap poorly mapped
buildings could be left to some sort of clean up phase.
Thanks John
Matthew Darwin wrote on 2018-11-02 7:07 PM:
I think we should identify who would like to be involved
in import for each municipality. (on a wiki page).
On the page, identify roles, like:
* coordinator
* import data preparation
* QA
* import execution
* data enrichment (commercial, residential, etc... tagging)
* etc..
Then we can see where we have gaps and how to fill them.
Perhaps some municipalities have local mappers who will
be happy to do the tagging of building type (and can do
some validation if the buildings look right), but no
technical capability to execute the actual import. And
maybe some folks who did imports before will help areas
where we have no technical expertise.
On 2018-11-02 6:58 p.m., John Whelan wrote:
So to paraphrase your reply. A centralised import plan
in the wiki which says the data is approved for import
and should be tackled in chunks of some sort of region
since we are a decentralized organization. Which I
think is similar to the way Task Manager works. The
project is broken into tiles and each tile is tackled
completed separately. The 'Tiles' would of course be
somewhat larger in area and there is a technical
limitation as to how big an area can be downloaded from
the OSM server.
The local mappers certainly have a role to play and
because the goal is not only to import the buildings but
to enrich the tags with commercial etc so the tag
enrichment would be a task that a mapathon could
tackle. I personally don't think a new mapper using iD
in a mapathon has a role to play in importing the
building outlines into OSM.
The plan should include the technical steps to import
the data.
Thanks
Cheerio John
Pierre Béland wrote on 2018-11-02 6:35 PM:
Pour le Québec, je retrouve les données de plusieurs
municipalités
Montréal, Longueuil, Repentigny, Shawinigan, Québec et
Rimouski.
Première observation rapide, aussi, elles sont de bonne
qualité et proviennent je suppose des cadastres des
municipalités. En milieu urbain, cela facilite beaucoup
l'identification des immeubles juxtaposés.
Je vois ailleurs, aux États-Unis notamment avec les
données de Microsoft, que les projets sont par région
ou municipalité.
Je pense qu'il faut éviter un projet trop centralisé
tant pour assurer un meilleur contrôle du déroulement
dans chaque municipalité, région que pour permettre aux
communautés des provinces et communautés locales de
s'impliquer.
La rédaction d' une page wiki pour l'ensemble du Canada
peut répondre aux exigences du groupe Import de OSM.
Mais l'organisation doit être décentralisée.
Le rôle de cette liste doit être un forum pour
supporter les communautés des provinces et communautés
locales. C'est une occasion de dynamiser ces
communautés avec un projet très intéressant. De là, ils
auront le goût de compléter la carte pour y décrire les
infrastructures locales.
Si trop de tâches sont initiées en parallèle sur un
gestionnaire de tâches, il sera très difficile de
coordonner, assurer le suivi, une progression
coordonnée. Il faut éviter que des mapathons ou
organisations externes s'invitent pour collaborer à de
telles tâches avec les milliers et milliers de
personnes qui viennent jardiner quelques heures sans
organisation / formation réelle et laissent ensuite le
tout sans dessus, dessous.
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