Well yes - but that is not a "live" point in polygon. It create separate
layers which need to be kept up-to-date.
Harrissou was after a "live" point in polygon, which is automatically
kept up-to-date through a QGIS expression.
Maybe Nyall knows how to write the correct aggregate expression for
On 2016-10-19 14:11, Nicolas Cadieux wrote:
> Try this.
> Le 19 oct. 2016 à 06:37, DelazJ [via OSGeo.org ] <[hidden email]> a écrit :
>> I have a polygon layer and a point one. I'd like to calculate for each
>> polygon feature, the number of points that it covers. I thought the
>> aggregates functions could help me find an easier and straight expression to
>> perform this (without creating intermediate layers) but I fail to find any
>> correct syntax.
>> I tried aggregate ('mypoint', 'count', "id", intersects ($geometry,
>> And many variants of the fourth option but It always return the total of
>> points or an error. Actually this option is a filter and I wonder if i'm not
>> missing a "group by" option in the aggregate function (which seems to be the
>> appropriate one in my case). Is it possible?
>> The work around I found is to populate an ad'hoc field in the point layer
>> with overlapping polygon id, thanks to the SpatialJoin plugin, then I create
>> a one-to-many relation in the project between the two layers in other to use
>> relation_aggregate function.
>> But I expected something more direct.
>> Any hint, please?
>> Thanks, Harrissou
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>> NAML 
> View this message in context: Re: Using aggregates functions to count
> intersected features from another layer 
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