Hugh and list, On Wed, Jul 26, 2023, 10:24 Hugh Kelley via QGIS-User < qgis-user@lists.osgeo.org> wrote:
> Hi all, > > I've been producing dot density maps for demographics work by using > postgis to assign points randomly within a polygon with the number of > points determined by, for example, the total number of a population > sub-group residing in that polygon. > > I"m wondering if there might be a way to do this directly from the > polygons in QGIS with symbology. > > I've looked through the resource sharing plugin without luck. I dont' > think the geometry generator can handle such a task but maybe there's a > way? > > Here's (apologies for the closed source link) an example of the type of > map/symbology I'm trying to describe. > https://www.arcgis.com/apps/mapviewer/index.html?webmap=30d2e10d4d694b3eb4dc4d2e58dbb5a5 > > Thanks for any suggestions! > What about just shading the polygons using a gray scale? Given that your polygons should generate a uniform density of dots within the area they bound, I don't see value in generating the dots for symbology. Chris >
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