[Talk-ca] Municipal boundaries

Begin Daniel jfd553 at hotmail.com
Tue Mar 7 14:34:48 UTC 2017


Bjenk, I was on the same impression that CSD did (used to) not always match municipal limits because of their objective (census) since in some case it would not make sense to do so for statistical purpose…

Daniel

From: Bjenk Ellefsen [mailto:bjenk.ellefsen at gmail.com]
Sent: Tuesday, 7 March, 2017 09:20
To: James
Cc: Talk-CA OpenStreetMap
Subject: Re: [Talk-ca] Municipal boundaries

Just to make sure we are talking about the same thing: Census Divisions are higher level and more regional boundaries. CSDs are municipal boundaries (in OSM, level 8).  http://www.statcan.gc.ca/eng/subjects/standard/sgc/2011/sgc-intro
Can you give me an example of city limits that don't match a CSD or is not in the SGC? Usually, the standard for municipal boundaries are the CSDs. At least, as far as I know, this is the standard geography. When referring to actual city limits, which geographical classification is it referring to?
Sorry for the questions, I am trying to understand what is the classification used if its not the CSDs.

On Tue, Mar 7, 2017 at 9:11 AM, James <james2432 at gmail.com<mailto:james2432 at gmail.com>> wrote:
Bernie, I've also noticed that StatsCan boundaries seem to be a generalization of an area vs the actual city limits

On Tue, Mar 7, 2017 at 9:02 AM, Bernie Connors <berniejconnors at gmail.com<mailto:berniejconnors at gmail.com>> wrote:
Bjenk,

      In NB there are issues with some census boundaries not matching with our administrative boundaries. The issue I am aware of was with the county boundaries. The census data that is analogous to our county boundaries included some significant deviations to prevent a municipality from being bisected by a county boundary. Please be careful that there is not a similar issue with the CSD boundaries. NB municipal boundaries can be downloaded from the GeoNB Data Catalogue For comparison to the CSD data.

Bernie.

Sent from my BlackBerry 10 smartphone on the Bell network.
From: Bjenk Ellefsen
Sent: Tuesday, March 7, 2017 9:51 AM
To: talk-ca at openstreetmap.org<mailto:talk-ca at openstreetmap.org>
Subject: [Talk-ca] Municipal boundaries


Hello,
Municipal boundaries correspond to census subdivisions (CSD). I have seen that many municipalities do not have a boundary yet. Is it ok if I start adding some boundaries based on CSDs? Having the boundaries is important to make extractions and analysis at the municipal level.
Bjenk


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