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German Carrillo

German Carrillo

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Artículo y diapositivas de la presentación "Comparación de clientes web de servicios web geográficos", llevada a cabo en el marco de la Semana Geomática 2011, en Bogotá, Colombia.

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 written an introductory tutorial of the Dimensionally Extended 9-Intersection Model (DE-9IM) in PostGIS for a Qualitative Spatial Knowledge class. I share it in this post.

VSceneGIS es un proyecto (GNU/GPL) en desarrollo para facilitar la realización de Proyectos de Sistemas de Información Geográfica. El proyecto engloba un conjunto de librerias de desarrollo, aplicaciones y herramientas, dandole una importancia relevante a la Topología de los datos, Control, Validación y Comportamiento de los datos en el modelo definido, para su posterior análisis, cómputo y edición.

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.
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.

CONTEFO en colaboración con la Asociación gvSIG ofrece una promoción de diez cursos gratuitos de nivel Usuario. El curso corresponde al itinerario de certificación “Nivel Usuario” con una duración de 60 horas durante 6 semanas en formato de teleformación.

Thursday, 24 February 2011 17:30

PostGIS Viewer for pgAdmin 3

A couple of months ago, Ivan Mincik released a PostGIS viewer for pgAdmin using the Python version of QGIS libraries. I have taken the source code to add some functionality: now, every new layer is added to the same application and the scale and cursor coordinates are displayed.
Tuesday, 18 January 2011 06:01

Layer list widget for PyQGIS applications

QGIS provides several utilities for Python developers. However, if you want to build your own PyQGIS application, you have to create some widgets on your own. The layer list widget is one of them and it certainly is a must for GIS applications. Here is mine.
Tuesday, 30 November 2010 08:26

Web mapping client comparison v.5

This comparison aims to serve as a basis for those seeking a first approach to web mapping technologies at the client side. In the fifth version the Italian project GisClient was added and the other clients' data was updated.

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