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NOV 26TH, 2013
Multithreaded rendering with QGIS

Nowadays, most computers have several processor cores. However, most computer programs are still designed to only use one processing unit. As a convenient and portable way of writing software using all the available processing power, Qt provides the excellent QtConcurrent framework. In 2010, a Google Summer of Code project examined the suitabilty of using Qt concurrent for rendering the map image in QGIS using several processor cores. Following that approach, each layer renders its image in a separate thread. Read on


SEP 30TH, 2013
INTERGEO 2013

Der OpenSource-Park auf der Intergeo wächst weiter! In diesem Jahr findet die Intergeo vom 8. bis 10. Oktober in Essen statt. Der OpenSource-Park befindet sich in Halle 1, Stand Nr. H1.033. Das OpenStreetMap Projekt ist mit dem Stand H1.040 gleich neben dem OpenSource-Park vertreten.. Auch auf der diesjährigen Hauptmesse der Geo-Informatik-Branche, der Intergeo, wird es wieder eine zentrale Anlaufstelle für alle Besucher geben, die sich über professionelle OpenSource-Anwendungen informieren wollen. Die Zahl der ausstellenden Firmen auf dem OpenSource-Park ist gegenüber dem Vorjahr nochmals um 50% angewachsen. Read on


JUL 24TH, 2013
PDF reports with embedded maps

Printing is always one of the more difficult parts in a web mapping application. There are solutions like the MapFish Print module or the built-in QGIS WYSIWYG PDF printing. But very often users do not want only a map on their print output, but collected information stored in a database with images, etc. - and a matching map. This is the domain of database reporting tools like JasperReports. They provide desktop tools for designing complex reports with texts, graphics, images, tables, etc. Read on


JUL 5TH, 2013
AGIT 2013: QGIS Cloud - Karten einfach ins Netz

Noch nie war es so einfach individuelle Web Map Services mit ansprechenden Karten, Geodatenbank und Web Client zu erstellen, wie mit QGIS Cloud. Der am 5. Juli an der AGIT 2013 in Salzburg präsentierte Vortrag kann hier herunter geladen werden. Präsentation Read on


JUN 17TH, 2013
FOSSGIS 2013: Performance optimised wms services with QGIS server

Performance is usually a top priority for a WMS service. A recent talk at the FOSSGIS (held by Sourcepole) shows what a WMS administrator can do to optimise QGIS server performance. Finally, the performance of QGIS server is compared with UMN mapserver in two production scenarios. Slides from FOSSGIS 2013 in Rapperswil (in german). Read on
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