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FOSS4G 2022 Florence

FOSS4G is the annual global event of free and open source geographic technologies and open geospatial data hosted by OSGeo. In 2022 it took place in Firenze with over 1300 participants, 402 talks and 44 workshops.

FOSSGIS 2022

Sourcepole hat auch an der Online FOSSGIS 2022 diverse Themen mit Vorträgen abgedeckt:

  • IoT Sensordaten in Karten integrieren
  • QGIS Web Client 2 (QWC2) - Neues aus dem Projekt
  • Cloud-optimierte Geoformate
  • 3D Tiles Next

QGIS Cloud: Starting a new feature series for QGIS Cloud Pro customers

We are pleased to announce that today we have published a new release of QGIS Cloud. Besides a whole bunch of bug fixes, we have also introduced new features for QGIS Cloud Pro customers. Starting with this release, we will be releasing more features for our QGIS Cloud Pro customers in the coming weeks. The following new features are available for QGIS Cloud Pro users starting today. Import Layer: In the Layers & Legend tool you will now find the possibility to import layers.

QGIS Cloud: Permanent displaying the legend in a fixed location in QGIS Cloud QWC2 with CSS

With QGIS Cloud Pro it is possible to change the appearance and behaviour of the QGIS Cloud Web Client via CSS. You can easily manipulate the colour of frames and fonts, etc. An example that is not obvious is displaying the legend in a fixed location on the map. In this way, the legend can be made a fixed part of the map in QGIS Cloud QWC2. In the basic configuration of QGIS Cloud QWC2 the legend of a layer is not permanently displayed.

Publishing high quality Swisstopo WMTS with QGIS Cloud

The Swisstopo services can be used free of charge for commercial purposes since March 1st. In this blog article I want to show how these high quality data can be published on qgiscloud.com. Swisstopo-Services The Swisstopo WMTS services are tiled raster data. Due to the prior tiling, the loading times are significantly reduced. WMTS data are used when an up-to-date background is always required. For publication as a background layer on the QGIS Cloud Platform, the National Maps and the Swissimage orthophoto are very interesting.

Publish Image Tooltips on QGIS Cloud with QGIS 3

In 2015 we have already published a blog on this topic, which has met with great response. In the meantime a lot has changed in the QGIS world and with QGIS3 the 2015 manual can no longer be adopted 1:1. So I decided to write a new, revised blog article on this topic. A lot of people are using QGIS Cloud as a service with ready to use QGIS webclient. It’s very easy to publish data and share maps in this way.

Responsive background maps with QGIS Cloud

Responsive background maps with QGIS Cloud Sourcepole QGIS Cloud is a great and convenient way to publish geodata as webmaps, to have a database and to manage everything from the desktop GIS. No need to run and maintain a server. Today our topic is handling of background maps in QGIS Cloud. QGIS Cloud maps are normally WMS maps delivered by QGIS Server. However most maps consist of a foreground (vector) theme and a background raster layer.

Web based editing in QGIS cloud

QGIS Cloud (www.qgiscloud.com) is a platform which provides a convenient geodata infrastructure including database, web services and web maps in the cloud. Recently, Sourcepole implemented the possibility to enable web-based editing in published maps. This blog post shows how to enable editing in QGIS cloud pro maps. We start with my_edit_project.qgs, a project in QGIS desktop containing a background layer and a point vector layer (trees). We upload the data to QGIS Cloud using the QGIS Cloud plugin and publish the project.

Web based editing in QGIS cloud

QGIS Cloud (www.qgiscloud.com) is a platform which provides a convenient geodata infrastructure including database, web services and web maps in the cloud. Recently, Sourcepole implemented the possibility to enable web-based editing in published maps. This blog post shows how to enable editing in QGIS cloud pro maps. We start with my_edit_project.qgs, a project in QGIS desktop containing a background layer and a point vector layer (trees). We upload the data to QGIS Cloud using the QGIS Cloud plugin and publish the project.

PostGIS Day 2019 Zürich

Am Donnerstag 14. November findet der PostGIS Day in Zürich statt! Neben topaktuellen News zu den Releases von PostGIS 3, QGIS 3.10 LTR und OpenLayers 6 gibt es Einblicke in die Responsive City Strategie der Stadt Zürich und weitere Themen wie Datentransformationen mit hale studio und Vektor Tiles.

FOSS4G 2019 Bucharest

Reporting back from the annual international FOSS4G conference, which took place in Bucharest this year.

QGIS Instant Print Plugin

As a side product of a customer project, we’re publishing a QGIS plugin for printing maps to a file with just two mouse clicks.

Verarbeitung von Interlis-Daten mit QGIS

In der Schweiz werden amtliche Geodatenmodelle vorwiegend mit Interlis erstellt und häufig wird das Interlis-Transferformat für den offiziellen Datenaustausch vorgegeben. Das Interlis-Plugin für QGIS ermöglicht die einfache Verarbeitung von Interlis-Daten und bindet externe Java-Applikationen in die Processing-Toolbox ein.

Slides FOSS4G 2017

Reporting back from FOSS4G 2017 in Boston, which started with the usual QGIS plugin programming workshop, this time at the Harvard University campus.

Mobile data collection with GeoPaparazzi and QGIS

Geopaparazzi 5.1.2 is a mobile app for Android which allows the user to quickly collect information on his or her surrounding area.

Publish Image Tooltips with QGIS Cloud

A lot of people are using QGIS Cloud as a service with ready to use QGIS webclient. It’s very easy to publish data and share maps in this way. Publishing of georeferenced images can be done with QGIS Cloud in a few steps as well. But the main problems are: how to upload the images into the cloud database? how to manage them? how to display the results? QGIS and QGIS Cloud are offering all tools for this task.

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).

FOSSGIS 2017 in Passau

In zwei Wochen beginnt die alljährliche deutschsprachige FOSSGIS Konferenz zum Theme Open Source GIS und OpenStreetMap in Passau.

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.

NTv2 transformations with QGIS

Datum transformations with grid shift files are used in several countries to convert coordinates between different datums. In Switzerland, datum transformation using the NTv2 method is important because of the upcoming conversion between the LV03 system and the new LV95 system. Up to now, doing coordinate transformations with grid shift files was possible in QGIS, but unconvenient. To use an NTv2 transformation in QGIS, the grid shift file needs to be placed in a directory where proj4 can find it (usually /usr/share/proj on Linux and OSGeo4W\share\proj on Windows).

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