QGIS Planet

(Fr) QSoccer : QGIS, football, what else ?

Sorry, this entry is only available in French.

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QGISでバッファを作る方法〜指定距離のポリゴンを作成する手順を解説〜 - QGIS LAB by MIERUNE

はじめに家を探すにあたって「駅から徒歩10分圏内の物件を探したい」「物件から500m以内にコンビニはあるのか」といった疑問を持ったことはありませんか?GISでこれらの分析をおこなう際に便利なのが「バッファ」機能です。バッファを作成することで、駅から100m圏内の円などを作成できるようになります。この記事では、QGISにおけるバッファ機能について、基本概念から実際の作成手順まで解説します。バッファは...
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Notebooks in QGIS

Finally it’s here: Jupyter notebooks inside QGIS. I don’t know about you but I’ve been hoping for someone to get around to doing this for quite a while.

Qiusheng Wu published the first version of the Notebook plugin on 26 Dec 2025. Late Christmas present?!

For the setup, there’s a handy tutorial by Hans van der Kwast and, additionally, Qiusheng published an intro video:

Development is going fast (version 0.3.0 at the time of writing) so there will be new features when you install / update the plugin compared to both the tutorial and the video.

The user interface is pretty stripped down with just a few buttons to add new code or markdown cells and to run them. And there is a neat drop-down menu with all kinds of ready-made code snippets to get you started:

For other functionalities, for example, to delete cells, you need to right-click on the cell to access the function through the context menu. And, as far as I can tell, there is currently no way to rearrange cells (moving them up or down).

I also haven’t quite understood yet what kinds of outputs are displayed and which are not because – quite often – the cell output just stays empty, even though the same code generates output on the console:

Some of the plugin settings I would have liked to experiment with, such as adjusting the font size or enabling line numbers, don’t seem to work yet. So a little more patience seems to be necessary.

I’ll definitely keep an eye on this one :)

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[Case Study] Open source geological mapping with British Geological Survey

British Geological Survey modernizes field mapping with QGIS and Mergin Maps, enabling flexible, open-source geological data capture and collaboration.
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QField at FOSS4G 2025 Auckland

Throughout the week, in workshops, presentations, and project showcases, a consistent theme emerged: QField is not just “the mobile companion to QGIS,” it is production infrastructure for complete field-to-cloud-to-desktop workflows.

It was incredible to see how present QField was throughout FOSS4G 2025 in Auckland. With around 20 presentations and workshops featuring QField, the conference showcased a wide range of real-world, production-grade use cases across many sectors.

What stood out was not just the number of talks, but how consistently QField was presented as a trusted, operational tool rather than an experiment.

The QField Ecosystem in Practice

QGIS Desktop for project design, analysis, and quality assurance QField for field capture, with offline-first capabilities when connectivity is limited QFieldCloud for real-time synchronization, team coordination, and project management Plugins and APIs for integration into broader organizational systems

This ecosystem approach transforms field data collection from an isolated task into an integrated workflow. It’s the difference between “collecting points” and “running a programme.”

QField Day: A Community Deep Dive

QField Day at FOSS4G 2025 Auckland
QField Day brought together practitioners, developers, and decision-makers

Early in the conference, QField Day brought together practitioners, developers, and decision-makers for a focused exploration of the platform’s capabilities. The day emphasized practical implementation—what’s possible now, and what organizations are already achieving in production environments.

Workshops

Complete Lifecycle Management

The QField & QFieldCloud workshop covered the full data collection cycle: project setup in QGIS Desktop, field deployment with QField, synchronization through QFieldCloud, and integration back into desktop workflows for analysis and quality control. Participants worked through the entire pipeline, from initial design to final deliverables.

QField & QFieldCloud workshop
Participants worked through the entire pipeline from design to final deliverables

Field-to-Analysis Integration

One workshop demonstrated the speed of modern field-to-cloud-to-analysis workflows by using Auckland itself as a live laboratory. Participants collected ground truth data with QField, then fed it directly into machine learning workflows running in Digital Earth Pacific’s Jupyter environment.

Plugin Development

For developers, the plugin authoring workshop signaled platform maturity. QField’s plugin framework—built on QML and JavaScript—enables organizations to extend core functionality for specific operational requirements. Custom forms, specialized integrations, and domain-specific interfaces can be developed to address the edge cases that real field programmes encounter.

Operational Workflows: Digital Earth Pacific

Production Deployments

Conservation Operations

Zero Invasive Predators fieldwork
QField and QFieldCloud integrated into conservation operations across New Zealand

Zero Invasive Predators showed QField and QFieldCloud integrated into operational fieldwork for predator eradication programmes across New Zealand. Planning happens in QGIS, capture in QField, and coordination through QFieldCloud—enabling systematic management of conservation campaigns across remote terrain.

Government-Scale Implementation

Finland National Land Survey
Finland’s National Land Survey using QField for national topographic data production

Finland’s National Land Survey presented their use of QField as part of national topographic data production infrastructure, deployed alongside QGIS and PostGIS. This represents enterprise validation: a national mapping agency selecting QField for production topographic surveying.

Precision Agriculture

Smart vineyards with QGIS & QField demonstrated advanced symbology, map themes, and structured capture workflows supporting precision agriculture operations—showing that the platform handles the level of detail and complexity that professional workflows require.

Developer Infrastructure and Sustainability

  • QFieldCloud API — programmatic integration for organizations with existing systems, enabling automation, custom integrations, and connection to enterprise infrastructure
  • Who Pays Your Bills? — a transparent discussion of sustainable open-source business models
  • [Re]discover QField[Cloud] — platform maturity often manifests as steady capability growth driven by real field workflows

Context: Open Tools for Public Good

Looking Forward

QField booth at FOSS4G 2025
The QField booth — caps gone within half a day!

FOSS4G 2025 Auckland was all about the conversations, and our small booth quickly became a popular meeting point — the QField caps were gone within half a day. We demonstrated the tight integration of Happy Mini Q GNSS with QField, showing how sub-centimeter positioning can be used seamlessly in real field workflows. The booth also featured EGENIOUSS, an EU project where QField complements GNSS with visual localisation for accurate positioning in challenging environments like urban canyons.

Thank you to everyone who shared your workflows, challenges, and stories — whether in presentations, workshops, or over coffee. These conversations remind us that we’re building tools for real people doing important work, and that’s what keeps this community moving forward together.

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Perché in QGIS manca la funzione Fattoriale

Perché in QGIS manca la funzione Fattoriale

Introduzione

Vi siete mai chiesti perché QGIS, pur avendo un ricchissimo set di funzioni matematiche nel calcolatore di campi, non include la funzione fattoriale? In questo articolo esploreremo le ragioni di questa assenza e scopriremo come implementare facilmente questa funzione quando necessario.

!!! Abstract "La funzione Fattoriale" Il fattoriale di un numero naturale n (indicato con n!) è il prodotto di tutti i numeri interi positivi minori o uguali a n. Ad esempio: 5! = 5 × 4 × 3 × 2 × 1 = 120

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Le Qalendrier Geotribu de Décembre 2025

Une retrospective sur les posts du Qalendrier de l'Avent 2025 de Geotribu, histoire d'amorcer en douceur la transition vers QGIS 4.
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世界は本当にQGISを愛している…のか - QGIS LAB by MIERUNE

はじめにあなたがこれを読んでいるこの瞬間も、世界の誰かがQGISとさまざまな地域を探検しているのだろう。2007年にわたしがはじめてみたQGIS(Quantum GIS)0.8は、まだまだ発展途上で、日本語データが入ったShapefileを開くと、まるで牡蠣に当たったかのようにクラッシュする不安定さがあった。 そのころのわたしとえいえばまだ”オープンソース”や”FOSS4G”なんて2ピコバイトも知...
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Revue de presse du 19 décembre 2025

Une GeoRDP avec des hackathons nature, des surveys GDAL, des groupes d'utilisateurs QGIS régionaux qui s'organisent, des docus Arte à ne pas manquer, ainsi qu'un peu de géo-mytho(logie) pour finir l'année.
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QField 4.0 “Aare”: Unlocking a great spatial experience for a larger audience

Just in time for the end of 2025, QField 4.0 is now available in a virtual store near you. This release brings significant improvements and marks an important usability milestone, worthy of a new major version. It’s truly never been easier to get started with QField—whether you’re a seasoned GIS professional or new to spatial data collection.

Main highlights

One of the most significant feature additions in this new version is right there on the welcome screen: a simple wizard for creating new projects. The wizard guides users through a set of questions covering the desired basemap style and actions such as note taking and position tracking. These projects can be published directly on QFieldCloud, so users can upload images, notes, and tracks that are accessible through web browsers or QGIS using QFieldSync.

The project creation framework also unlocked another feature we’re proud of: on-the-fly conversion of imported projects to cloud projects. The ability to upgrade pre-existing projects to cloud projects means that users can push spatial data and attachments residing on their devices to QFieldCloud and instantly collaborate with coworkers.

On the QFieldCloud front, we’ve done significant code refactoring to make synchronization and attachment uploads even more reliable. Users now see a progress bar showing attachment upload status.

The cloud projects list also lets users push changes and sync projects without opening them first. Indicator badges show whether you have pending local changes or if updates are available from the cloud.

A leaner, clearer, and more focused user interface

Early on in this development cycle, our ninjas decided to make a significant leap forward with QField’s UX focusing on making the user interface leaner when possible, clearer when needed, and more focused throughout. 

QField now has a vastly more readable feature form when viewing feature attributes. We’ve also made the interface more consistent by updating all editor widgets to use Qt’s Material style, so comboboxes, text fields, and other elements now have a unified look.

We’ve also simplified the user experience around positioning. The map canvas now has a single positioning button at the bottom right. Click the location marker overlay to reveal a new pie menu with quick access to positioning features: start tracking sessions, copy position to clipboard, show the positioning panel, lock the coordinate cursor to position, lock the map canvas to position, and add bookmarks at your position.

Now when users set accuracy thresholds, tracking sessions and averaged positioning will automatically filter out “bad accuracy” readings.

QField also animates transitions when jumping to your GNSS position, features, or coordinates, making navigation feel smoother and more intuitive.

Wait, there’s more

Beyond these major improvements, QField 4.0 includes tons of new features:

  • Multilingual projectsa feature we added to QGIS several years ago – are now supported in QField
  • When connected to the internet, QField now displays online legend graphics for WMS and Esri map services, providing crucial context for field users
  • Additional feature form widgets are now supported, including the spacer widget and color editor widget, further improving interoperability with QGIS

A complete list of changes is available in the QField release notes on GitHub.

A new release cycle focused on water bodies

With the QField 4.X series, we’re introducing a new naming theme focused on water bodies.

Oceans, rivers, lakes, wetlands, and coastal waters are fundamental to life on Earth. They provide drinking water, support ecosystems and agriculture, regulate climate, and sustain communities worldwide. Yet these vital resources are increasingly under pressure from pollution, overuse, and climate change.

At OPENGIS.ch, we believe that better spatial data leads to better decisions. By making field data collection easier and more accessible, we aim to support those working to understand, protect, and manage these fragile systems. Dedicating this release cycle to water bodies reflects our commitment to using technology responsibly and connects naturally with the United Nations Sustainable Development Goals, which we consistently strive to support through our work.

For the first release in this cycle, we chose a water body of particular significance to QField: Switzerland’s longest river entirely within the country, Aare.

As always, we hope you enjoy this new release.
Happy field mapping!

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