[Qgis-user] adding points within polygons

[Brent Wood]

Hi Robert,
You can create a layer of points for each polygon using:Vector - Geometry Tools - Polygon Centroids
if you have a common field in this and the census data, you can then join the two:Layer - Properties - Join
But I recommend the use of an underlying database tool to manage your data, such as Postgis or Spatiallite, and join the data there to be used in QGIS. A collection of files does not provide the power of a database for managing data, even when accessed by QGIS. 
 
Well managed data is the foundation your analysis, model or GIS sits on...

Cheers

Brent Wood
      From: rsweeny <rsweeny at mun.ca>
 To: qgis-user at lists.osgeo.org 
 Sent: Tuesday, February 9, 2016 2:10 AM
 Subject: [Qgis-user] adding points within polygons
   
Hi
People's answers to Grant's question were so clear I'm hoping that 
something similar might exist to facilitate my task. I have 32k of 
polygons representing every lot in the city of Montreal in 1903. I also 
have the 1901 census returns coded by household (95k of them) to those 
lots. Is there a simple way to have Qgis place points within each lot 
polygon for the corresponding households?
Thanks in advance.
Robert

-- 
Robert C.H. Sweeny
Professor of History
Memorial University of Newfoundland
St John's NL, A1C 5S7
Canada
709-864-8440, 709-864-2164 (fax)

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