dhis2-devs-core team mailing list archive

[Abyot Asalefew Gizaw <abyot@xxxxxxxxx>]

a nice feature.

how does the clustering happen - does it follow org unit levels? If so can
we display the polygons at the background so that it gives an overview as
to where the happening is.

--
Abyot A. Gizaw.
Senior Engineer, DHIS2
University of Oslo
http://www.dhis2.org

On Mon, Mar 28, 2016 at 10:39 AM, Lars Helge Øverland <lars@xxxxxxxxx>
wrote:

> No fallback on server, if you want this one must install PostGIS.
> Clustering is so far for events, org units will come in next release.
> Clustering happens as part of analytics in the database so scalability is
> roughly equal to the general analytics features.
>
>
>
> On Mon, Mar 28, 2016 at 5:19 AM, Morten Olav Hansen <morten@xxxxxxxxx>
> wrote:
>
>> Ok, that sounds very promising. Is there a software fallback for this?
>> geotools or something? if the user don't have postgis extension installed
>>
>> --
>> Morten Olav Hansen
>> Senior Engineer, DHIS 2
>> University of Oslo
>> http://www.dhis2.org
>>
>> On Fri, Mar 25, 2016 at 6:00 AM, Jan Henrik Øverland <
>> janhenrik.overland@xxxxxxxxx> wrote:
>>
>>> Bjørn is the expert (and Lars catching up on PostGIS) can provide the
>>> details, but in general: Client side clustering (Leaflet) is a slightly
>>> smoother user experience and can handle about 50k points. For event data we
>>> need something more powerful and as Bjørn says the current server side
>>> cluster solution quite easily handled 1m+ points. The plan is to switch
>>> between those two solutions behind the scenes as applicable.
>>> On Mar 24, 2016 15:01, "Bjørn Sandvik" <bjorn@xxxxxxxxx> wrote:
>>>
>>>> I have tested it on 1 million events on an external PostGIS-server, and
>>>> it worked fine. I'll do a similar test on a DHIS 2 db instance after the
>>>> Easter break.
>>>>
>>>> Bjørn
>>>>
>>>> On Thu, Mar 24, 2016 at 12:43 AM, Morten Olav Hansen <morten@xxxxxxxxx>
>>>> wrote:
>>>>
>>>>> Very nice. Any idea on how it scales? 10000 facilities? 50000? More?
>>>>>
>>>>>
>>>>> On Thursday, 24 March 2016, Bob Jolliffe <bobjolliffe@xxxxxxxxx>
>>>>> wrote:
>>>>>
>>>>>> Looks cool.  Very intuitive.
>>>>>>
>>>>>> On 23 March 2016 at 16:45, Lars Helge Øverland <lars@xxxxxxxxx>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> we've been setting up PostGIS on /dev, meaning you can try out the
>>>>>>> new event clustering feature that Bjørn and Jan have been developing.
>>>>>>>
>>>>>>> 1. Go to event layer in top left corner.
>>>>>>>
>>>>>>> 2. Select "Inpatient morbidity mortality" program.
>>>>>>>
>>>>>>> 3. Select a data element, e.g. "Age in years".
>>>>>>>
>>>>>>> 4. Under periods, select e.g. Jan 2015 to December 2016.
>>>>>>>
>>>>>>> 5. Under organisation units, select e.g. Chiefdom level, and click
>>>>>>> update.
>>>>>>>
>>>>>>> Zoom in and out with mousewheel/touchpad to see events cluster and
>>>>>>> explode.
>>>>>>>
>>>>>>>
>>>>>>> https://play.dhis2.org/dev/dhis-web-mapping/#
>>>>>>>
>>>>>>>
>>>>>>> [image: Inline image 1]
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Favorites not yet supported.
>>>>>>>
>>>>>>> --
>>>>>>> Lars Helge Øverland
>>>>>>> Lead developer, DHIS 2
>>>>>>> University of Oslo
>>>>>>> Skype: larshelgeoverland
>>>>>>> http://www.dhis2.org <https://www.dhis2.org/>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Mailing list: https://launchpad.net/~dhis2-devs-core
>>>>>>> Post to     : dhis2-devs-core@xxxxxxxxxxxxxxxxxxx
>>>>>>> Unsubscribe : https://launchpad.net/~dhis2-devs-core
>>>>>>> More help   : https://help.launchpad.net/ListHelp
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> --
>>>>> Morten Olav Hansen
>>>>> Senior Engineer, DHIS 2
>>>>> University of Oslo
>>>>> http://www.dhis2.org
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Bjørn Sandvik
>>>> GIS developer, DHIS 2
>>>> University of Oslo
>>>> http://www.dhis2.org <https://www.dhis2.org/>
>>>>
>>>> --
>>>> Mailing list: https://launchpad.net/~dhis2-devs-core
>>>> Post to     : dhis2-devs-core@xxxxxxxxxxxxxxxxxxx
>>>> Unsubscribe : https://launchpad.net/~dhis2-devs-core
>>>> More help   : https://help.launchpad.net/ListHelp
>>>>
>>>>
>>
>
>
> --
> Lars Helge Øverland
> Lead developer, DHIS 2
> University of Oslo
> Skype: larshelgeoverland
> http://www.dhis2.org <https://www.dhis2.org/>
>
>
> --
> Mailing list: https://launchpad.net/~dhis2-devs-core
> Post to     : dhis2-devs-core@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~dhis2-devs-core
> More help   : https://help.launchpad.net/ListHelp
>
>