As promised some time ago in “The new QML widgets in QGIS – When widgets get unbridled” we still owe you some fancy unicorns, but first let’s have a look at another nice feature that has been introduced in QGIS 3.4 LTR, the reading of PostgreSQL JSON and JSONB types. With Read more…
Individuality is the definition of freedom. And freedom is the fundamental requirement of man’s mind. QGIS possibly cannot give you all the freedom you require in life. But at least a lot of freedom in how you manage your work. QGIS 3.4.0 LTR was released last week and it comes Read more…
QGIS is a real cosmopolitan. Born in Alaska sixteen years ago, it has spread all over the world since. Thanks to its open source mentality, it finds not only in economically strong countries big usergroups. No question, that beside all the developers, there is a bunch of brave translators giving Read more…
While porting a plugin to QGIS3 I decided to also move all it’s threading infrastructure to QgsTasks. Here three possible variants to implement this.the first uses the static method QgsTask.fromFunction and is simpler to use. A great quick solution. If you want need control you can look at the second Read more…
This article describes a new algorithm for the processing modeler called feature filter algorithm. If you are already familiar with ETL concepts and the graphical modeler, you can directly jump to the section the feature filter algorithm. Building workflows for repetitive tasks When building workflows for simple or complex geodata Read more…
We are very proud to announce that one of our founders and directors Marco Bernasocchi was elected as QGIS.org project steering committee (PSC) co-chair. With over 10 years of involvement with QGIS (he started working with QGIS 0.6) Marco will serve for the next two years as one of the Read more…
The Release of QGIS 3.0 was a great success and with the first LTR (3.4) scheduled for release this fall, it is now the perfect time to port your plugins to the new API. QGIS 3.0 is the first major release since September 2013 when QGIS 2.0 was released. During Read more…
Did you know that the possibilities to make a full QGIS back end solution for quality assurance and archiving in PostgreSQL are immense? SQL has it’s well known limitations, but with a little bit creativity you can make quite nice solutions just using triggers and rules. In this post I’ll Read more…
Lately, I have been confronted with the need of translating Interlis files (from French to German) to use queries originally developed for German data. I decided to create an automated convertor for Interlis (version 1) Transfer Format files (.ITF) based on the existing cadastral data model from the Swiss confederation Read more…
Recently there have been some questions and discussions about python based expression functions and how parameters like usesGeometry need to be used. So I thought I’d quickly write down how this works. There is some intelligence If the geometry or a column is passed in as a parameter you do not Read more…