Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[Bernie Connors]

  James, Julia,        I am responsible for delivering the NB high resolution imagery to Esri Canada. The imagery only includes about 10% ‎of the province and it is mostly in the urban areas but it does include many of our smaller urban communities. I can provide a shape file of the covered areas. Bernie. Sent from my BlackBerry 10 smartphone on the Bell network.From: JamesSent: Wednesday, October 18, 2017 4:37 PMTo: Julia CCc: Talk-CA OpenStreetMapSubject: Re: [Talk-ca] Building Canada 2020 OSMGeoWeek MapathonsAnything in New Brunswick will most likely have high resolution imagery as the goverment donated their imagery to ESRI world imagery. The praries (Northern alberta, Saskatchewan, Manitoba) have vary little mappers compared to the rest of the country, it would be fun for people to give them a helping hand like we did for Fort Mac during the wild fires.On Wed, Oct 18, 2017 at 3:15 PM, Julia C  wrote:Hi everyone,I am currently working at Mapbox on the Data Team and previously worked at StatCan on the Crowdsourcing project. Mapbox is collaborating with StatCan to engage Canadian universities to participate in the Building Canada 2020 project by hosting mapathons during OSMGeoWeek (November 12-18, 2017).We want to make sure we are accomplishing this in a way that encourages new Canadian mappers, while also ensuring participants are being educated properly about OSM and the community.The plan is to help educate Canadian universities about organizing mapathons through documentations like teachOSM as well as to set up clear tasks for students to complete during the mapathons. We have started outlining the information on this wiki page.On the Canada OSM Tasking Manager there are already some tasks related to the Building Canada 2020 project. My plan is to add additional tasks for students to complete. The tasks will clearly outline what the students should map and where they should map. 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.Regards,Julia
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Re: [Talk-ca] Talk-ca Digest, Vol 116, Issue 28

[keith hartley]

Hi Everyone and Julia
I'm working with Manitoba GIS users group (or MGUG)  to increase OSM
literacy within our community, and work on HOT tasks as well as help
organize with Building 20/20. We have a number of governmental, private and
educational groups within our user group and I would like to work with them
and the greater OSM community to do this! We can provide data, and
frameworks to help!

I have a talk at our annual large convention Oct 23rd  where I am going to
address the greater membership to find interest. We could help bring a few
university's and high schools that I'm sure would love to assist, as we've
been doing geo-week and GIS day in the past.

I've talked with a few prof's at Assiniboine community college and
University of Winnipeg about Mapping Brandon (they have a great staff) . As
well as our education working group could follow up with high school
students.

We're still organizing but would love to jump at something national!

Keith



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> Today's Topics:
>
>1. Re: COMS2200 Ottawa, Carleton University (Pierre Béland)
>2. Building Canada 2020 OSMGeoWeek Mapathons (Julia C)
>3. Re: Building Canada 2020 OSMGeoWeek Mapathons (James)
>
>
> --
>
> Message: 1
> Date: Wed, 18 Oct 2017 12:27:58 + (UTC)
> From: Pierre Béland <pierz...@yahoo.fr>
> To: Talk-CA OpenStreetMap <talk-ca@openstreetmap.org>
> Subject: Re: [Talk-ca] COMS2200 Ottawa, Carleton University
> Message-ID: <1572357348.567200.1508329678...@mail.yahoo.com>
> Content-Type: text/plain; charset="utf-8"
>
> Overpass peut être utilisé de deux façons pour analyser l'historique
> d'OSM1. DATE: État de la carte à une date précise : Exemple de James
> 2. ADIFF: Transactions effectuées entre deux dates. Dans l'exemple
> ci-dessous, j'utilise xml plutot que json comme format d'output. Aussi
> plutot que out body et out skel , j'utilise out meta geom pour plus de
> détail. Beaucoup d'infos disponibles dans le fichier. Par contre, les
> données ne sont pas affichées sur la carte.
> Voir http://overpass-turbo.eu/s/sq6
>
> Pierre
>
>
> Le mercredi 18 octobre 2017 06:47:20 HAE, James <james2...@gmail.com>
> a écrit :
>
>  I've gave an example to your students to find old nodes(thanks andy for
> synthax I forgot how to query in past)https://github.com/
> TraceyLauriault/COMS2200A/issues/43
>
>
> On Oct 18, 2017 6:07 AM, "Andy Townsend" <ajt1...@gmail.com> wrote:
>
> For info, there's a bunch of stuff that you can do with Overpass to see
> the state of an object on a certain date, for example:
>
> [date:"2017-08-25T00:17:06Z"];
> way(300069227);
> out geom;
>
> http://overpass-turbo.eu/s/spV
>
> Also it might be worth considering using the dev site
> https://master.apis.dev.openst reetmap.org/ (or even your own hosted OSM
> API) if you want to try an extensive test of "see what this looks like".
> As James has already said, the main OSM site is constantly subject to fixes
> and corrections by everyone - that's kind of the point :)
>
> For example, I used the dev API here to experiment with the mapping of
> drop kerbs etc.:
>
> https://master.apis.dev.openst reetmap.org/#map=18/54.01973/-
> 1.04546=D
>
> Best Regards,
>
> Andy
>
>
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> Message: 2
> Date: Wed, 18 Oct 2017 14:15:20 -0500
> From: Julia C <juliacon...@gmail.com>
> To: talk-ca@openstreetmap.org
> Subject: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons
> Message-ID:
> <

Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[Pierre Béland]

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 
 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  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 
 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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Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[john whelan]

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  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 presen**t*.
> 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
>   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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Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[Pierre Béland]

Le projet Building Canada 2020 et la page wiki créée pour le projet ne sont pas 
à l'initiative de la communauté OSM du Canada.  À mon avis, les initiateurs de 
ce projet doivent indiquer clairement qui est responsable de ce projet et qu'il 
n'est pas endossé par la communauté OSM du Canada. 
Nous avons plutôt un rôle de sous-traitants,  simplement informés et invités à 
y participer. Je ne sais pas si des partenaires externes oseraient démarrer 
ainsi un projet en France ou en Allemagne.
Ce n'est pas à mon avis de cette façon que nous allons développer des 
communautés OSM.
 
Pierre 
 

Le mercredi 18 octobre 2017 15:15:45 HAE, Julia C  a 
écrit :  
 
 Hi everyone,
I am currently working at Mapbox on the Data Team and previously worked at 
StatCan on the Crowdsourcing project. Mapbox is collaborating with StatCan to 
engage Canadian universities to participate in the Building Canada 2020 project 
by hosting mapathons during OSMGeoWeek (November 12-18, 2017).
We want to make sure we are accomplishing this in a way that encourages new 
Canadian mappers, while also ensuring participants are being educated properly 
about OSM and the community.
The plan is to help educate Canadian universities about organizing mapathons 
through documentations like teachOSM as well as to set up clear tasks for 
students to complete during the mapathons. We have started outlining the 
information on this wiki page.
On the Canada OSM Tasking Manager there are already some tasks related to the 
Building Canada 2020 project. My plan is to add additional tasks for students 
to complete. The tasks will clearly outline what the students should map and 
where they should map. 
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.
Regards,Julia
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Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[Matthew Darwin]

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 presen**t*. 
  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 
 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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Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[Alan Richards]

The ESRI layer in BC is now pretty good as well, and has the latest
orthophotography from all the cities with open data (and a few that don't).
Much easier than manually collecting from each municipality. Generally this
is still the urban cities and town, and not rural areas of course though.
Unless the regional districts every collect orthophotos I'm not sure we're
likely to get any high-resolution outside of the bigger cities.

Alan

On Wed, Oct 18, 2017 at 1:37 PM, Stewart C. Russell 
wrote:

> 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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Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[Pierre Béland]

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 
 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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Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[Stewart C. Russell]

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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Re: [Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[James]

Anything in New Brunswick will most likely have high resolution imagery as
the goverment donated their imagery to ESRI world imagery. The praries
(Northern alberta, Saskatchewan, Manitoba) have vary little mappers
compared to the rest of the country, it would be fun for people to give
them a helping hand like we did for Fort Mac during the wild fires.

On Wed, Oct 18, 2017 at 3:15 PM, Julia C  wrote:

> Hi everyone,
>
> I am currently working at Mapbox on the Data Team and previously worked at
> StatCan on the Crowdsourcing project. Mapbox is collaborating with
> StatCan to engage Canadian universities to participate in the Building
> Canada 2020 project
>  
> by
> hosting mapathons during OSMGeoWeek  (November
> 12-18, 2017).
>
> We want to make sure we are accomplishing this in a way that encourages
> new Canadian mappers, while also ensuring participants are being educated
> properly about OSM and the community.
>
> The plan is to help educate Canadian universities about organizing
> mapathons through documentations like teachOSM  as
> well as to set up clear tasks for students to complete during the
> mapathons. We have started outlining the information on this wiki page
> 
> .
>
> On the Canada OSM Tasking Manager  there are
> already some tasks related to the Building Canada 2020 project. My plan is
> to add additional tasks for students to complete. The tasks will clearly
> outline what the students should map and where they should map.
>
> 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.
>
> Regards,
> Julia
>
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>


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[Talk-ca] Building Canada 2020 OSMGeoWeek Mapathons

[Julia C]

Hi everyone,

I am currently working at Mapbox on the Data Team and previously worked at
StatCan on the Crowdsourcing project. Mapbox is collaborating with StatCan
to engage Canadian universities to participate in the Building Canada 2020
project

by
hosting mapathons during OSMGeoWeek  (November
12-18, 2017).

We want to make sure we are accomplishing this in a way that encourages new
Canadian mappers, while also ensuring participants are being educated
properly about OSM and the community.

The plan is to help educate Canadian universities about organizing
mapathons through documentations like teachOSM  as
well as to set up clear tasks for students to complete during the
mapathons. We have started outlining the information on this wiki page

.

On the Canada OSM Tasking Manager  there are
already some tasks related to the Building Canada 2020 project. My plan is
to add additional tasks for students to complete. The tasks will clearly
outline what the students should map and where they should map.

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.

Regards,
Julia
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Re: [Talk-ca] COMS2200 Ottawa, Carleton University

[Pierre Béland]

Overpass peut être utilisé de deux façons pour analyser l'historique d'OSM1. 
DATE: État de la carte à une date précise : Exemple de James
2. ADIFF: Transactions effectuées entre deux dates. Dans l'exemple ci-dessous, 
j'utilise xml plutot que json comme format d'output. Aussi plutot que out body 
et out skel , j'utilise out meta geom pour plus de détail. Beaucoup d'infos 
disponibles dans le fichier. Par contre, les données ne sont pas affichées sur 
la carte.
Voir http://overpass-turbo.eu/s/sq6
 
Pierre 
 

Le mercredi 18 octobre 2017 06:47:20 HAE, James  a 
écrit :  
 
 I've gave an example to your students to find old nodes(thanks andy for 
synthax I forgot how to query in 
past)https://github.com/TraceyLauriault/COMS2200A/issues/43


On Oct 18, 2017 6:07 AM, "Andy Townsend"  wrote:

For info, there's a bunch of stuff that you can do with Overpass to see the 
state of an object on a certain date, for example:

[date:"2017-08-25T00:17:06Z"];
way(300069227);
out geom;

http://overpass-turbo.eu/s/spV

Also it might be worth considering using the dev site 
https://master.apis.dev.openst reetmap.org/ (or even your own hosted OSM API) 
if you want to try an extensive test of "see what this looks like".  As James 
has already said, the main OSM site is constantly subject to fixes and 
corrections by everyone - that's kind of the point :)

For example, I used the dev API here to experiment with the mapping of drop 
kerbs etc.:

https://master.apis.dev.openst reetmap.org/#map=18/54.01973/- 1.04546=D

Best Regards,

Andy


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Re: [Talk-ca] COMS2200 Ottawa, Carleton University

[James]

I've gave an example to your students to find old nodes(thanks andy for
synthax I forgot how to query in past)
https://github.com/TraceyLauriault/COMS2200A/issues/43


On Oct 18, 2017 6:07 AM, "Andy Townsend"  wrote:

> For info, there's a bunch of stuff that you can do with Overpass to see
> the state of an object on a certain date, for example:
>
> [date:"2017-08-25T00:17:06Z"];
> way(300069227);
> out geom;
>
> http://overpass-turbo.eu/s/spV
>
> Also it might be worth considering using the dev site
> https://master.apis.dev.openstreetmap.org/ (or even your own hosted OSM
> API) if you want to try an extensive test of "see what this looks like".
> As James has already said, the main OSM site is constantly subject to fixes
> and corrections by everyone - that's kind of the point :)
>
> For example, I used the dev API here to experiment with the mapping of
> drop kerbs etc.:
>
> https://master.apis.dev.openstreetmap.org/#map=18/54.01973/-
> 1.04546=D
>
> Best Regards,
>
> Andy
>
>
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Re: [Talk-ca] COMS2200 Ottawa, Carleton University

[Andy Townsend]

For info, there's a bunch of stuff that you can do with Overpass to see 
the state of an object on a certain date, for example:


[date:"2017-08-25T00:17:06Z"];
way(300069227);
out geom;

http://overpass-turbo.eu/s/spV

Also it might be worth considering using the dev site 
https://master.apis.dev.openstreetmap.org/ (or even your own hosted OSM 
API) if you want to try an extensive test of "see what this looks 
like".  As James has already said, the main OSM site is constantly 
subject to fixes and corrections by everyone - that's kind of the point :)


For example, I used the dev API here to experiment with the mapping of 
drop kerbs etc.:


https://master.apis.dev.openstreetmap.org/#map=18/54.01973/-1.04546=D

Best Regards,

Andy


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