If you had the polygon you could go to Menu -> Vector -> Geometry tools -> 
polygon centroid and this could give you the centre point of the polygon.


From: Qgis-user [mailto:[email protected]] On Behalf Of Wolstan 
H M Dixie
Sent: 27 July 2018 08:58
To: [email protected]
Subject: Re: [Qgis-user] City centre


Well I think the historic centre - ie the oldest part of the city - generally 
the oldest and largest place of worship or centre of administration - cathedral 
/ town hall etc; the area of first settlement from which the city expanded.

On 26/07/2018 23:36, Pat Brown wrote:
Hi,
   If one had to use a point rather than polygon to represent a city, what 
feature would one select as that point? In other words, what feature would one 
use to define the central point of the city?

Paddy




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