Author Archives: Richard Duivenvoorde (Zuidt)

QGIS on Windows: Oops … Could not load qgis_app.dll message

Sometimes after a Windows update, or after a QGIS update Windows users see the dreaded “Oops, looks like an error loading QGIS’… Could not load qgis_app.dll…” message In short it means that one of the main libraries of QGIS cannot be fully loaded, because it is actually depending on other libraries, which (apparently) are not […]

New PDOKServicesplugin (dutch public OWS services plugin)

Mostly interesting for dutchies: there is a new version of the PDOKServiceplugin, a plugin which makes it easier to set a WMS/WFS/WCS layer into QGIS from our national OWS services: PDOK. Best addition for now: free High Resolution images of almost the whole of The Netherlands. To show of the old and the new version: […]

Institutional, centralized QGIS installation/configuration (QGIS.de)

QGIS more and more get’s to be installed ‘organisation wide’ by Windows Administrators (eg using SCCM, now Microsoft Endpoint Configuration Manager ), instead of personal installations by the GIS-people on their personal machines. I get more and more questions about this (eg here) So a short post about this. The good thing is that peeps […]

(English) Proj: Select Datum Transformations for EPSG:28992

(FOR REFERENCE, TODO: TO BE UPDATED AND TRANSLATED) If you startup QGIS 3.8 / Zanzibar the first time to load a data in our national CRS (EPSG:28992) you are being presented with the following dialog: I thought it had something todo with the fact that this OSGeo4W install maybe used the newer PROJ (6.0.1), but […]

(English) QGISnetworklogger plugin or what are QGIS and my service talking about…

Just released a ‘new’ plugin: QGIS Network Logger, install via the plugin manager of QGIS version 3.6 or higher (https://plugins.qgis.org/plugins/qgisnetworklogger/). One of the things QGIS is pretty good in is talking to OGC services (WebMapService/WMS, WebFeatureService/WFS etc etc), QGIS even talks to Esri web services. Something what was hard in this, is that if you […]

About Layer tree embedded widgets and have your WM(T)S always crispy sharp

Around 2014/2015 Martin updated the whole Legend / Layermanager code in QGIS. He wrote some nice blogs about this new “Layer Tree API”: Part 1, Part 2 and Part 3 so people would better understand how “to talk PyQGIS to the Legend”. In 2016 Martin merged some code on top of this, which would make […]