Geometry generator symbology
Say hello to geometry generators, a new way to use expression syntax to generate a geometry on the fly during the rendering process.
QGIS Welcome Page
Whenever you start QGIS you basically do it because? Right, because you need to do GIS work. Ah, how I love rhetorical questions to start a post. And most of the time one continues to work on a QGIS project which he has prepared before. For me 99% of the time, I Read more
Syntactic sugar for PyQGIS
PyQGIS now supports a nice new addition for handling edit sessions in layers. This way, changes get committed automatically at the end of a successful (python) edit session.
with edit(layer):
do your changes here()
Postgres Expression Compiler for QGIS
Performance This project is all about performance of QGIS with a postgres/postgis database. A lot of people have QGIS connected to postgres/postgis (if you don’t: it’s a great combination in the open source geo stack). Databases are really optimized for querying. They keep indexes of geometries to be able to Read more
QGIS Quality and Testing
I promised that I will write a bit about what I’ve been up to at the last QGIS developer meeting – apart from the social part we also got some work done there. So let me start with something that really matters to me and I think can make a Read more
Tak Nødebo
After a week with QGIS members from all over the world we arrived back home and can say that once again, the QGIS developer meeting #13 was a great event. It started with the QGIS User Conference where a lot of interesting talks from experiences in day-to-day usage to low-level Read more
Performance for mass updating features
This post discusses how to improve the performance of pyqgis code which updates a lot of features by a factor of more than 10.
Happy new year to the power of two!
For the first time we at OPENGIS.ch can celebrate with 2 people, Marco Bernasocchi and Matthias Kuhn both experienced QGIS developers and holders of a Master degree in GIScience.
After having worked individually in the last years, we have realized that there is a huge potential for us to join our knowledge – because the whole is greater than the sum of its parts. This is why starting from January 1st, 2015 we are working together as OPENGIS.ch LLC.