Subject: CGAL users discussion list
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- From: Laurent Rineau <>
- To:
- Cc: Theodore Omtzigt <>
- Subject: Re: [cgal-discuss] how to leverage the CGAL Qt integration
- Date: Mon, 24 Mar 2025 23:53:04 +0100
- Authentication-results: mail2-smtp-roc.national.inria.fr; spf=None ; spf=Pass ; spf=None
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- Organization: GeometryFactory
On Friday, March 14, 2025 2:39:00 PM Central European Standard Time Theodore
Omtzigt wrote:
> we are trying the CGAL Qt integration but when running the example from the
> CGAL documentation site:
[...]
> We get this error message:
>
> qt.qpa.plugin: Could not find the Qt platform plugin "windows" in ""
> This application failed to start because no Qt platform plugin could be
> initialized. Reinstalling the application may fix this problem.
In all the other answers to your question, the responder assumed that your
problem was a compilation problem. But it is actually a runtime problem, as
your said in your question: " when running the example [...] We get this
error
message".
At runtime the Qt6 executable has to find the Qt6 DLLs, but also the Qt
platform plugin named platforms\qwindows.dll
See the documentation page for Windows:
https://doc.qt.io/qt-6/windows-deployment.html
and in particular its sub-section "Qt Plugins":
https://doc.qt.io/qt-6/windows-deployment.html#qt-plugins
--
Laurent Rineau, PhD
R&D Engineer at GeometryFactory http://www.geometryfactory.com/
Release Manager of the CGAL Project http://www.cgal.org/
- [cgal-discuss] how to leverage the CGAL Qt integration, Theodore Omtzigt, 03/14/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Aleksey Yakovlev, 03/14/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Theodore Omtzigt, 03/14/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Aleksey Yakovlev, 03/16/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Theodore Omtzigt, 03/16/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Aleksey Yakovlev, 03/16/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Theodore Omtzigt, 03/16/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Aleksey Yakovlev, 03/16/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Theodore Omtzigt, 03/14/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Andrew Cunningham, 03/20/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Laurent Rineau, 03/24/2025
- Re: [cgal-discuss] how to leverage the CGAL Qt integration, Aleksey Yakovlev, 03/14/2025
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