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TALA is open-source

Hacker News·22 days ago
#KkteyZJE
#d2lang#open-source#autolayout#diagrams#terrastruct#photo
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Following up on the announcement here , TALA (Terrastruct's AutoLayout Algorithm) is now open-source under the same license as D2 (MPL-2.0). TALA is a novel autolayout algorithm designed with software architecture diagrams in mind. This means it's primarily an orthogonal layout engine, which more closely matches what you might find on whiteboards, rather than the DAG-based ones that grow in one direction. It blends ideas from different graph-drawing research papers (cited in source code) along with original techniques to achieve aesthetic diagrams. It considers multiple objectives of "aesthetic", including symmetry, median distance, flow, clustering of like nodes, and much more. I'll keep the text short and lead with examples. The first batch compares diagrams rendered with TALA with the other two layout algorithms D2 comes with -- Dagre and ELK. These are not hand-selected, I just found public d2 files from around GitHub. So for some, you may very well prefer the not-TALA layout.…

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