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100 lines
3.9 KiB
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[#]: subject: "Gaphor: Open Source Graphical Modeling Tool"
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[#]: via: "https://itsfoss.com/gaphor-modeling-tool/"
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[#]: author: "Abhishek Prakash https://itsfoss.com/author/abhishek/"
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[#]: collector: "lujun9972"
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[#]: translator: "geekpi"
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[#]: reviewer: " "
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[#]: publisher: " "
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[#]: url: " "
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Gaphor: Open Source Graphical Modeling Tool
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======
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Gaphor is a free and open source modeling application with support for various modeling languages such as UML, [SysML][1], RAAML and C4.
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Not aware of the term “modeling language”? Basically, it’s a set of instructions that can be used to create the design and constructions of structures. It could be textual and graphical, both.
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The graphical one is easier to look at and figure out how various components of the project are related to each other.
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Have you seen a flowchart or sequence diagrams? Those are also a type of graphical modeling in the simplest form.
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![Sequence diagram example][2]
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There are various modeling languages and they are used for software development, system engineering, physics, project management and more.
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### Gaphor for UML, SysML and more
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[Gaphor][3] works with the UML, SysML, and RAAML OMG standards. It also includes support for the C4 model for visualizing software architectures.
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It’s not just a [drawing tool][4]. It implements a fully-compliant UML 2 data model. You can create highly complex models with Gaphor.
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![][5]
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Written in Python, Gaphor is completely open source under Apache 2 license. You can find all its source code on [its GitHub repository][6]. It is a cross-platform tool and available to install on Linux, Windows and macOS.
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You can export your diagrams in PDF, PNG, SVG and XML formats. You can also plug-in a code generator.
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Gaphor website mentions that it has dark mode but I didn’t see any options to enable it in the AppImage version I downloaded.
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### Installing Gaphor on Linux
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![Gaphor user interface][7]
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Arch users can find Gaphor in the AUR. For other distributions, you have the choice of choosing between [AppImage][8] and Flatpak.
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You can download the AppImage from its download page.
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[Download Gaphor][9]
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If you want to use the Flatpak version, add the Flathub repository first:
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```
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flatpak remote-add --user --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
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```
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And then install it:
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```
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flatpak install --user flathub org.gaphor.Gaphor
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```
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Since Gaphor is essentially a Python application, you can install it [using Pip][10] as well.
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```
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pip install gaphor
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```
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I used UML and sequence diagrams when I worked as a software engineer. I haven’t used it in the last few years. Looking at Gaphor, I think it’s a pretty cool app to have if you have to create UML and other diagrams for your projects.
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Feel free to give it a try and share your experience in the comments.
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/gaphor-modeling-tool/
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作者：[Abhishek Prakash][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/author/abhishek/
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[b]: https://github.com/lujun9972
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[1]: https://sysml.org/
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[2]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2021/12/sequence-diagram-example-800x364.png?resize=800%2C364&ssl=1
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[3]: https://gaphor.org/
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[4]: https://itsfoss.com/open-source-paint-apps/
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[5]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2021/12/gaphor-uml-screenshot.jpg?resize=800%2C570&ssl=1
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[6]: https://github.com/gaphor
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[7]: https://i1.wp.com/itsfoss.com/wp-content/uploads/2021/12/gaphor-example-800x445.png?resize=800%2C445&ssl=1
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[8]: https://itsfoss.com/use-appimage-linux/
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[9]: https://gaphor.org/download.html#linux
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[10]: https://itsfoss.com/install-pip-ubuntu/
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