Penrose – Penrose

• penrose

  22 7,582 9.0 TypeScript

  Create beautiful diagrams just by typing notation in plain text.

  

  By the way, just for clarity, note that the comments in this subthread were written before we updated the random seed for that example to result in a much better diagram: https://github.com/penrose/penrose/pull/1700

• SaaSHub

  www.saashub.com featured

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

• d2

  96 18,209 9.5 Go

  D2 is a modern diagram scripting language that turns text to diagrams.

  

• pikchr

  4 116 6.9 C

  Mirror for Pikchr

• diagrams

  2 2 7.5 Python

  Yeah, exactly! Also, possibly a third idea of Penrose is the way the selector matching blocks in the Style language can be used to construct the constrained optimization problem as you mention. This is inspired by CSS, but there are a lot of differences too.

  With regard to the separation of substance and style, I think that idea can be profitably applied in other settings as well. For instance, Graphviz, tikz-cd, and Mermaid are all fairly declarative. But also, I feel like this idea could be even more profitably applied by building a diagramming library inside of a general-purpose programming language like Python.

  For instance, take a look at the Substance code for our quaternion multiplication table example: https://penrose.cs.cmu.edu/try/?examples=group-theory/quater... It's about 83 lines of code. In contrast, by really taking the separation idea separately, one can write a generic Python function for creating Cayley table diagrams, after which that particular example only takes about 5 lines of code: https://github.com/samestep/diagrams/blob/750f7a544635a6fd9f...

• xhorizon

  1 4 6.8 Python

  xhorizon: A python package for the explicit computation and drawing of Penrose diagrams in general relativity.

  

• einsteinpy

  2 626 4.3 Python

  Repository for the EinsteinPy core package :rocket:

  

• mermaid

  147 72,804 10.0 TypeScript

  Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

  

  This feels like the LaTeX version of Mermaid.js [0]. I can do anything with it, but I gotta learn a lot of new syntax. So, really cool! Gonna have to dig into this.

  [0] https://mermaid.js.org/

• processing

  460 6,481 0.0 Java

  Source code for the Processing Core and Development Environment (PDE)

  

• excalidraw

  398 86,764 9.5 TypeScript

  Virtual whiteboard for sketching hand-drawn like diagrams

  

  Sketch easy and go back to work...

  https://excalidraw.com/

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