Hi Robert,I do not know the answer to your question, but I think you are asking in the wrong list. You may have better success on `qgis-developer` (I added it in, so this is getting cross-posted)
On 01/11/2020 21:24, [email protected] wrote:
Hi All!
I am trying to understand the behavior of Layer->Render-> Refresh
layer at interval in QGIS
1. I sat up a flask rest api which serves a geojson.
2. I added the geojson to QGIS via Add Layer->
1. a. Protocol HTTP/cloud/etc
2. b. Type: HTTP
3. c.URI: localhost/points.geojson The points are represented
on the map correctly
3. I changed the layer->Properties->Rendering-> Refresh layer at
interval (5 sec)
I would have expected that there would be a call every 5 seconds
towards the server and the map data would be updated accordingly.
But the layer does not get refreshed. I don't see any changes
neither when I remove a point from the json file on my local
drive, nor if I change an attribute. If I press F5 then the canvas
refreshes and it automatically loads the new data and I can see
the changes. Is this the behavior that is wanted or am I
misunderstanding the function of this tool? It seems like the data
is cached somewhere?
|from flask import Flask from flask_restful import Api, Resource
import json app = Flask(__name__) api = Api(app) class
point(Resource): def get(self): with
open('C:/points/venv/src/points.geojson') as json_file: data =
json.load(json_file) return data
api.add_resource(point,"/points.geojson") if __name__=="__main__":
app.run(debug=True)|
|Robert Nagy|
_______________________________________________
Qgis-user mailing list
[email protected]
List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
-- Email Signature Kind Regards, Aron Gergely +31 (0) 6 38 70 97 66 *Rasterra* | www.rasterra.nl <https://www.rasterra.nl>
<<attachment: aron_gergely.vcf>>
_______________________________________________ QGIS-Developer mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
