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Displaying items by tag: QGIS

Como mencioné en un post anterior (por favor léelo antes de continuar), busco extender el Servicio de Procesamiento Web (WPS) del Open Geospatial Consortium (OGC) habilitándolo para procesar flujos continuos de datos espaciales, así como para enviar resultados intermedios de vuelta al cliente. Estas dos funcionalidades se consiguen con streaming de entrada y de salida, un método que añade geoprocesamiento casi en tiempo real al WPS. En este post se dan los fundamentos de la idea, así como detalles de implementación y enlaces a varios recursos, incluyendo una demo.

Published in SDI
Thursday, 09 August 2012 07:00

WPS basado en streaming

Busco implementar un WPS basado en streaming sobre el framework WPS de 52°North para que procesos básicos puedan manipular la entrada y salida de flujos continuos de datos espaciales. Este post muestra el estado actual del trabajo así como pasos posteriores.

Published in SDI
Thursday, 17 May 2012 13:07

Contributing to the QGIS WPS client

Last month I started my internship at 52° North and besides the main project I'm working on, I've been contributing to the QGIS WPS client. In this post I let you know recent improvements to that client.

Published in SDI

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.

Thursday, 16 June 2011 01:41

Geoinformatik 2011, Münster, Germany

This year I have the opportunity to attend the Geoinformatik conference in Münster, Germany. Even though this is just the first day (still two days to come), I think there is enough material to share.
I have added a QGIS plugin to the PostGIS Viewer for building SQL querys allowing the results to be displayed as a new layer. The plugin is RT Sql Layer from the Faunalia's repository, extracting just its SQL Query Builder.
Published in Geographic databases
Due to some suggestions from Ivan Mincik and Iván Lizarazo, I have been adding a couple of functionalities to the postgis viewer plugin for pgAdmin. Now, it has raster support (PostGIS-WKTRaster) and a layer list widget for displaying layer properties. Additionally, some minor bugs have been fixed: antialiasing and map units detection.
Published in Geographic databases
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