[QGIS-Developer] 2023 QGIS Grant Proposals final results
Dear QGIS Community, On behalf of the QGIS.ORG project, I'm extremely pleased to announce the winning proposals for our 2023 QGIS.ORG grant programme. Read all about the voting results here: https://blog.qgis.org/2023/06/26/qgis-grant-programme-2023-results/ A number of interesting and useful proposals didn’t make it because of our limited budget; we encourage organizations to pick up one of their choices and sponsor it. Regards, Anita -- Anita Graser Home: http://anitagraser.com Twitter: @underdarkgis Mastodon: @underdark...@fosstodon.org ___ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
Re: [QGIS-Developer] [QGIS-server] Messages: QNetworkDiskCache::prepare() unable to open temporary file
Try "strace -e file your_qgis_server_invocation", it will show you all file i/o Cheers, Hannes Am 26.06.23 um 15:38 schrieb Richard Duivenvoorde via QGIS-Developer: Hi, I'm testing a QGISserver setup in which the project is cascading a WMTS (MapProxy). Performance is not so good... so I fiddled with QGIS_SERVER_CACHE_DIRECTORY=/cache and even with ?? QGIS_OPTIONS_PATH=/cache where /cache is a mounted internal cache dir Is see QGISserver write all the stuff in /cache which I know from QGIS (profile dir) itself: # from within the container: # ls /cache bookmarks.xml data8 fonts gdal_pam oauth2-cache palettes prepared qgis-auth.db qgis.db symbology-style.db But I keep seeing a lot of messages in the logs: QNetworkDiskCache::prepare() unable to open temporary file QNetworkDiskCache::prepare() unable to open temporary file ... So my question is, WHERE does Qt try to create the network cache... Thanks, Richard Duivenvoorde ___ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer -- Johannes Kröger / GIS-Entwickler/-Berater - Aufwind durch Wissen! Web-Seminare und Online-Schulungen bei der www.foss-academy.com - WhereGroup GmbH c/o KK03 GmbH Lange Reihe 29 20099 Hamburg Germany Tel: +49 (0)228 / 90 90 38 - 36 Fax: +49 (0)228 / 90 90 38 - 11 johannes.kroe...@wheregroup.com www.wheregroup.com Geschäftsführer: Olaf Knopp, Peter Stamm Amtsgericht Bonn, HRB 9885 --- ___ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
[QGIS-Developer] [QGIS-server] Messages: QNetworkDiskCache::prepare() unable to open temporary file
Hi, I'm testing a QGISserver setup in which the project is cascading a WMTS (MapProxy). Performance is not so good... so I fiddled with QGIS_SERVER_CACHE_DIRECTORY=/cache and even with ?? QGIS_OPTIONS_PATH=/cache where /cache is a mounted internal cache dir Is see QGISserver write all the stuff in /cache which I know from QGIS (profile dir) itself: # from within the container: # ls /cache bookmarks.xml data8 fonts gdal_pam oauth2-cache palettes prepared qgis-auth.db qgis.db symbology-style.db But I keep seeing a lot of messages in the logs: QNetworkDiskCache::prepare() unable to open temporary file QNetworkDiskCache::prepare() unable to open temporary file ... So my question is, WHERE does Qt try to create the network cache... Thanks, Richard Duivenvoorde ___ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
[QGIS-Developer] feedback for #53454 (noDataValues aren't correctly rendered when using a custom QgsRasterDataProvider)
Dear Developers, would be great, if somebody could have a look at this issue and provide feedback, whether this bug is fixable. https://github.com/qgis/QGIS/issues/53454 Currently, I work around the issue by filling noData-Pixel with NaN values, but that isn't really a good solution for the long term. All the best Andreas ___ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
[QGIS-Developer] Measuring Map Rendering Time using PyQGIS
Hi,
I am looking for a way to audit a QGIS projects in terms of layer rendering
time.
I was able to measuring the rendering every time I refresh the the map
canvas, change layers or change extent, using the following code (inspired
by Anita code):
from datetime import datetime
def get_time():
t1 = datetime.now()
print('Rendering time:',t1-t0, 'seconds')
def reset_time():
global t0
t0 = datetime.now()
canvas = iface.mapCanvas()
canvas.mapCanvasRefreshed.connect(get_time)
canvas.extentsChanged.connect(reset_time)
canvas.layersChanged.connect(reset_time)
Now, I wanted to programmatically zoom in, zoom out, enable and disable
layers, etc... but If I give two or more of these commands together, each
command won't wait for the other to finish rendering, therefore I am unable
to measure the time.
For example:
iface.actionZoomFullExtent()
canvas.zoomByFactor(0.5)
Only returns the time for the last zoom to render.
I have tried using time.wait() but that stops the rendering all together.
Thanks,
Alexandre Neto
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