QGIS2 compatibility plugin

Lately I’ve been spending time porting a bigger plugin from QGIS 2.8 to 3 while maintaining 2.8 compatibility. You can find it at https://github.com/opengisch/qgis2compat/ and http://plugins.qgis.org/plugins/qgis2compat/ One code to rule them all. My target was to have to edit the

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Posted in PyQt, QGIS, QGIS Plugins, Uncategorized

Updating PyQt signals that use lambda in QGIS with 2to3

Just for the sake of documenting things, when running qgis 2to3 on a plugin I encountered a tricky situation regarding signals.

The original code:

The generated code:

so in do_load_project we get False instead of “my test

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Posted in PyQt, QGIS Plugins

Using threads in QGIS python plugins

Here an example on how to work with threads in a consistent and clean manner in QGIS python plugins

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Posted in Python, QGIS, QGIS Plugins

Increasing the stability of processing algorithms

Processing just got a new testing framework to improve the long-term stability of this important plugin. And you can help to improve it, even if you are not a software developer! This is yet another piece in our never-stopping crusade to

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Posted in C++, Programming, Python, QGIS, QGIS Plugins

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.

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Posted in Python, QGIS, QGIS Plugins

InaSAFE wins Open Source ‘Rookie of the Year’ award

We have worked incredibly hard over the last year to make the InaSAFE plugin for QGIS, with a team of dedicated developers from AUSAID, WorldBank, Linfiniti, opengis.ch and a number of other developers and contributors, so it is really great to receive this acknowledgement! Here is looking to another great year of working on InaSAFE for 2013!

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Posted in Featured, InaSAFE, QGIS Plugins

QGIS Globe works again

Just stumbled upon this post by Pirmin, and he says Globe has been fixed. Cool, thanks Pirmin and Regione Umbria for sponsoring his work! And here a demo of what the guys at Oslandia do with it: PostGIS 3D demo

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Posted in QGIS Plugins

InaSAFE 1.0 Launched

End October after a heavy development sprint, the InaSAFE team (which consists of developers from around the world, funded by AUSAID and The World Bank / GFDRR) released inaSAFE 1.0 at the AMCDRR, a high level conference for disaster risk reduction in Asia. During the same event, inaSAFE was even demonstrated to the President of Indonesia.

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Posted in Featured, InaSAFE, Python, QGIS Plugins