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Cope and Drag — CnD — Lightweight Diagraming Language wins awards

“CnD’s design is driven by cognitive science principles that influence spatial reasoning, visualization, and diagramming. It combines this with a bottom-up analysis that distills patterns from dozens of actual custom visualizations, and finds the two come together nicely. The resulting language is small, uses minimal notation, and can be used incrementally.”

#BrownPLT #diagraming #visualization #OSS
cs.brown.edu/news/2025/07/16/b

cs.brown.edu · Brown University Programming Languages Team Receives ECOOP’s Distinguished Paper And Distinguished Artifact AwardsNew work (Cope and Drag, also known as CnD) from Brown PLT is a novel lightweight diagramming language. It’s just earned recognition at ECOOP 2025, receiving both a Distinguished Paper and a Distinguished Artifact Award.

Neutron star merger visualized
youtube.com/watch?v=xIthgcx-axs

The scientific details are described in the publication: W. Kastaun and F. Ohme, “Numerical inside view of hypermassive remnant models for GW170817”, Phys. Rev. D 104 (2021), DOI: doi.org/10.1103/PhysRevD.104.0

This is excellent visualization!

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