[Qgis-user] Refresh Layer at Interval not working

[Raymond Nijssen]

Ah yes, thanks! F5 reloads the data for all layers.

But the initial question was why the 'Refresh Layer at Interval' does 
not work. I think the re-render works but it does not reload the data. 
Can anyone confirm?

Raymond
On 14-04-2020 21:03, Richard Duivenvoorde wrote:
> I've created a minimal script which generates a random point, more or
> less in The Netherlands..:
> 
> https://duif.net/cgi-bin/gj.py
> 
> If you load that script as a vector layer /Protocol/GeoJSON you will see
> one point in The Netherlands.
> Upon hitting F5 (menu: View/Refresh), you will see the dot moving as it
> is requesting the data everytime..
> 
> For what I know this worked for all datasources?
> 
> Not sure if this is what you try to achieve, but that is also possible
> with python (though I do not have it with me here...)
> 
> Regards,
> 
> Richard Duivenvoorde
> 
> On 4/14/20 12:40 PM, Raymond Nijssen wrote:
>> Hi Ayyala,
>>
>> Since the option is in the tab called "Render" I think it will only
>> re-render the layer and not reload the data.
>>
>> I tried this:
>> - create 3 points in a geojson layer
>> - set a 2 sec refresh interval on it
>> - open the geojson file in a text editor and add an extra point
>> - save geojson
>> The extra point should show up within 2 seconds in qgis but it does not.
>>
>> Even after panning or zooming it does not show up. I think it would if I
>> used a postgis layer or a shp-file? Could this be dependent on the data
>> format?
>>
>>
>> If you need an example of a refreshed layer, you can type "hackfests" in
>> the Coordinate input at the bottom. It will show you the hackfest
>> locations with "moving" markers.
>>
>>
>> @other users: Does QGIS have an option to reload data for a layer? In
>> the GUI, similar to the "Update Extents" button?
>>
>> Kind regards,
>> Raymond
>>
>>
>>
>> On 14-04-2020 05:04, krishna Ayyala wrote:
>>> Hello,
>>>
>>> I have a shape file as below. I have checked the box "Refresh Layer at
>>> Interval" for 1 second. The layer is  not refreshing.
>>>
>>> Regards.
>>>
>>> image.png
>>>
>>>
>>>
>>> image.png
>>>
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