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Thursday, 09 August 2012 07:00

WPS basado en streaming

Written by German Carrillo

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.

Saturday, 07 July 2012 12:41

¿Cómo hacer parte de GeoTux? (FAQ)

Written by German Carrillo

Después de varias invitaciones extendidas a miembros de la comunidad de la Geomática libre para participar en GeoTux, nos parece oportuno aclarar en qué consiste "hacer parte de GeoTux". Por eso hemos elaborado este post al estilo FAQ (Preguntas más frecuentes) para responder preguntas que pueden surgir en nuestros potenciales colaboradores.

In this post I give an example on how to use my first R package, called 'vec2dtransf', for applying similarity and affine transformations on vector data.

Thursday, 17 May 2012 13:07

Contributing to the QGIS WPS client

Written by German Carrillo

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.

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"

Written by German Carrillo

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.

Monday, 20 February 2012 19:44

Snapping points to lines in R

Written by German Carrillo

This time I show how to snap points to lines in R. The case study is the assignment of trajectory points (e.g. from a GPS device) to a road network.

Saturday, 04 February 2012 10:22

SQL console for the pgAdmin plugin: PostGIS viewer

Written by German Carrillo

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.

Saturday, 14 January 2012 19:52

Mapa de predicción Geoestadística usando R

Written by Fernando Santa

A continuación se muestra el ejemplo de la construcción de un mapa de predicción usando técnicas geoestadísticas, para el caso de la precipitación total durante el año 1986 en 133 estaciones pluviométricas del departamento de Cundinamarca. La implementación se llevo a cabo en el software R.

 

Tuesday, 03 January 2012 21:18

Web mapping client comparison v.6

Written by German Carrillo

This comparison aims to serve as a basis for those seeking a first approach to Web mapping technologies at the client side. In the sixth version a number of projects have been added and the whole set of clients has been categorized in order to distinguish them better, since there are currently forty four (44) Web mapping clients in the comparison.

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