Re: [Qgis-user] Refresh Layer at Interval not working
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 ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Refresh Layer at Interval not working
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 >> >> ___ >> Qgis-user mailing list >> Qgis-user@lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> > ___ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Refresh Layer at Interval not working
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 ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Refresh Layer at Interval not working
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: image.png] [image: image.png] ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user