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Displaying items by tag: Python

There is a frequent requirement for geographic web services from institutions dealing with sensitive information: They want their services to be exposed differently to interested parties, according to role permissions configured by the publisher. This post shows you a way to restrict access to your geographic web services in QGIS Server.

Published in SDI

One of the most requested features for the QGIS plugin 'AutoFields' has been implemented: a way to export and import AutoFields configurations.

Published in Desktop GIS

David Bakeman has made a contribution to the QGIS plugin 'Load Them All', which enables users to load several layers reflecting their directory structure in the QGIS ToC (aka legend or layer tree.)

Published in Desktop GIS

Pasa algo extraño en el mundo GIS, es cómo si la gente descubriera de repente el poder de Python. Observen por ejemplo las preguntas Python Script examples for geoprocessing shapefiles without using arcpy y Visualize shapefile in Python en GIS StackExchange.

Desde su adopción reciente en ArcGIS, Python tiene mucho éxito en el mundo de los SIG y cualquier aficionado a Python debería alegrarse, y este título puede parecer extraño para algunos. Sin embargo, es una realidad.

Published in Free software

En este artículo muestro cómo visualizar en 3D capas vectoriales (bien sean shapefiles de tipo 3D o shapefiles con atributo de altitud) con los módulos Python Shapely, Matplotlib y Visvis desde la consola Python de Quantum GIS.

Published in Desktop GIS

Paper and slides of a presentation given in GI Zeitgeist 2012, in Münster, Germany.

Friday, 02 March 2012 17:52

QGIS plugin: "Remove empty layers"

This must be the shortest post ever in GeoTux. It is just for you to know about the "Remove empty layers" plugin that I wrote for Quantum GIS some time ago.

Published in Desktop GIS

I have added an SQL console to the pgAdmin3 plugin "PostGIS viewer". It allows you to run SQL queries on PostGIS data in order to filter them or execute spatial functions on them.

Published in Geographic databases
Sunday, 23 October 2011 13:00

Qualitative spatial reasoning for routing

The following is a basic algorithm to get routes in a network using only qualitative spatial reasoning by means of SparQ reasoner and QGIS to visualize the result.

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