Tag: qgis

Sustainability initiative: what is it and why we do it?

At OPENGIS.ch, we create open-source software.
We are contributors, maintainers, and in the case of QField, the team that builds it.

That comes with a responsibility we take seriously: giving back.

“Give back” is not a slogan. It is our first core value, and the very reason the sustainability initiative exists.

Open-source is a garden. If you eat from it, water it, and keep seeding.

The Importance of seeding opening keynote, FOSS4G 2023

What is the #sustainQGIS initiative?

Open-source software has a well-known problem: the work that keeps it healthy is largely invisible. Bug fixes, code reviews, refactoring, test coverage, onboarding new contributors: none of these appear in a feature list, but without them, the software eventually degrades. Proprietary projects can budget for this work directly. Open-source projects mostly rely on whoever finds the time.
We wanted to change that, at least in our corner of the ecosystem.


The model is simple. For every support contract we sign that exceeds 10 days, we donate a portion of those days to the initiative. Any unused contract hours at year-end also flow in. That pool of time gets spent on exactly those invisible tasks: triaging and fixing bugs that affect stability, reviewing pull requests so good contributions actually land in the codebase, and doing the unglamorous maintenance work that keeps QGIS’s core solid.

Why we do it

We built a successful company around QGIS and QField. We write code (custom features, plugins, processing algorithms, entire applications) on top of these platforms every day. When a client needs something that cannot be done out of the box, we build it. And we build it inside the project whenever that makes sense, not in a private fork that nobody else benefits from.

Pushing changes upstream instead of maintaining private forks, sponsoring the QGIS project financially, and donating hours are all expressions of the same logic: the ecosystem is a shared asset, and shared assets need shared investment.

I chair the QGIS.org foundation, so I see directly how much the project depends on companies like ours showing up. A bug that slips through costs every QGIS user time. A code review that never happens means a useful feature sits in limbo for months. And a small group of core maintainers carrying the full load eventually burns out. These are not abstract problems. They affect users and the community on a daily basis.

What this means when you work with us?

When you sign a support contract with OPENGIS.ch, you are not just buying expert help with QGIS and QField. A slice of that contract goes back into the project itself. Your investment in solving your own GIS challenges also helps keep the platform reliable for everyone.

We think that is a good deal. It is the way we want to do business.

If you want to know more about the initiative or are ready to make a difference, get a support contract.

Open-source is a garden.
If you eat from it, water it, and keep seeding.

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Lutra Consulting at FOSSGIS 2026: The Göttingen Wrap-up

Lutra Consulting wraps up FOSSGIS 2026 in Göttingen. Discover the top trends: QGIS user expertise, self-hosting Mergin Maps, PostGIS integration, and vendor lock-in concerns.
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「プロセシングツールが動かない」を解決!無効なジオメトリの対処法 - QGIS LAB by MIERUNE

はじめにQGISでクリップや空間結合などのプロセシングツールを実行した際に、「無効なジオメトリ」というエラーが表示されて処理が止まってしまうことがあります。このエラーは、データの形状に問題があることを示しています。放置したままでは、処理が失敗するだけでなく、ほかのGISソフトで正常に読み込めなかったり、意図しない見た目で描画されたりすることもあります。この記事では、無効なジオメトリとは何か、どのよ...
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ArcMap is Dead: Great Time to Switch to QGIS

ArcMap is dead. Avoid costly ArcGIS Pro vendor lock-in by migrating to QGIS (LTR 3.44). Learn the 5 essential steps for a smooth transition, including MXD conversion.
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QGISでレイヤ同士の重複箇所と属性情報を抽出!インターセクト処理の実践的活用法 - QGIS LAB by MIERUNE

はじめにGISにおけるデータ分析では、異なるレイヤー同士で重なっている部分だけを抽出したい場面がよくあります。例えば、「メッシュごとに交差する森林地域の面積を計算したい」「市町村エリアごとに交差する河川の長さを求めたい」といったケースです。こうした“重なり(交差)部分”を抽出する際に使うのが、空間演算の「交差(インターセクト)」処理です。 この記事では、QGISにおけるインターセクト処理について、...
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[Blog] Support tip - using conditions to improve your Mergin Maps survey

Boost data accuracy and survey usability. Learn to use QGIS expressions in Mergin Maps to create dynamic forms that hide unnecessary fields and restrict feature editing to assigned teams.
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GOSATプラグインを使って、温室効果ガスのデータをQGISで可視化しよう【前編】 - QGIS LAB by MIERUNE

はじめにGOSATプラグインは、温室効果ガス観測衛星GOSAT(いぶき)シリーズのデータをQGIS上で可視化・簡易解析できるプラグインです。Tellusで提供されているデータセットの検索からダウンロード、時系列でのアニメーション表示や任意地点の数値のグラフ化など、データを様々な形で可視化することができます。<a href="https://www.tellusxdp.com/ja/...
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Expérimentations avec le plugin Cornelis

Découverte et expérimentations avec le plugin Cornelis, pour mimer la lithographie façon Maurits Cornelis Escher.
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