> For my needs I have come up with this:
>
> * A separate table for the cluster features, with columns
>for the geometry (a point), a feature count and the scale
>(i.e. I store the cluster points for all scales in one
>table)
>
> * A view for each scale
>
>"create view cluster_1
users-requ...@openlayers.org wrote:
Didrik:
>
>> I don't know if this is interesting for you but this postgis thread was
>> related to the subject of your mail :
>>
>> http://postgis.refractions.net/pipermail/postgis-users/2005-July/008642.html
Interesting, but as one of the replies said, the clu
>
> I don't know if this is interesting for you but this postgis thread was
> related to the subject of your mail :
>
> http://postgis.refractions.net/pipermail/postgis-users/2005-July/008642.html
>
That series of posts is about statistical data clustering as in k-means
and the like. Give a k-
On Wed, 2009-04-01 at 21:15 +0200, Kris Geusebroek wrote:
> Hi Nils,
>
> I didn't try this myself but i could imagine that you could cluster a
> bit in your database.
> I'm using oracle and have functionality to show only features within a
> certain boundary of a province.
> I create a view which
> has anyone tried clustering features on the server
> side, and if so how did you do it?
Please post any answer to the list. I'm very interested too ;-)
Cheers,
Yves
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Weinander
Sent: Wednesday, April 01, 2009 7:46 PM
To: OpenLayers Users
Subject: [OpenLayers-Users] Cluster strategy but on the server side
Hi all
This is a bit peripheral, sorry about that.
I have tried the cluster strategy on a WFS layer and it
works excellently. But, when zoomed out, there
Hi all
This is a bit peripheral, sorry about that.
I have tried the cluster strategy on a WFS layer and it
works excellently. But, when zoomed out, there are simply
too many features to run the clustering on the client (I
tried with 10,000 which the browser wasn't too happy about
and in the final