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16th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP) / 12th International Conference on Information Visualization Theory and Applications (IVAPP)

作者： Dashuber, Veronika Philippsen, Michael Weigend, Johannes QAware GmbH Aschauer Str 32 Munich Germany Friedrich Alexander Univ Erlangen Nurnberg FAU Programming Syst Grp Martensstr 3 Erlangen Germany

ISBN: (纸本)9789897584886

A Software City is a an established way to visualize metrics such as the test coverage or complexity. As current layouting algorithms are mainly based on the static code structure (e.g., classes and packages), dependencies that are orthogonal to this structure often clutter the visualization and are hard to grasp. This paper applies layered graph drawing to layout a Software City in 3D. The proposed layout takes both the dependencies and the static code structure into account. This minimizes the number of explicitly displayed dependencies. The resulting lower cognitive load makes the software architecture easier to understand. We evaluate the advantages of our layout over a classic layouting algorithm in a controlled study on a real world project.

关键词： Software City layouting algorithm Layered Graph Drawing Dependency Analysis Architecture Comprehension

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Static and Dynamic Dependency Visualization in a Layered Software City

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SN Computer Science 2022年第6期3卷 511页

作者： Dashuber, Veronika Philippsen, Michael QAware GmbH Aschauer Str. 32 Munich 81549 Germany Programming Systems Group Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) Martensstr. 3 Erlangen 91058 Germany

A Software City is an established way to visualize metrics such as the test coverage or complexity. As current layouting algorithms are mainly based on the static code structure, dependencies that are orthogonal to this structure often clutter the visualization and are hard to grasp. This paper applies layered graph drawing to layout a Software City in 3D. The proposed layout takes both the dependencies and the static code structure into account. While having the static dependencies encoded in the layout, we can additionally display dynamic dependencies as arcs atop the city in the night view of the Layered Software City. By applying a trace clustering technique we can further reduce the number of shown arcs. We evaluate the advantages of our layout over a classic layouting algorithm in a controlled study on a real-world project and also report on a short study that evaluates the visualization of dynamic dependencies. The source code of the layouting algorithm and the raw data of the quantitative evaluations are available from https://***/qaware/holoware-software-city. © 2022, The Author(s).

关键词： Architecture comprehension Dependency analysis Layered graph drawing layouting algorithm Software City Trace clustering

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