A JavaScript framework for interactive (mathematical) content.
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CindyJS
CindyJS is a framework to create interactive (mathematical) content for the web.
It aims to be compatible with Cinderella, providing an interpreter for the scripting language CindyScript as well as a set of geometric operations which can be used to describe constructions. Together, these components make it very easy to visualize various concepts, from geometry in particular and mathematics in general, but also from various other fields.
See also our project page.
Examples
Examples on the web can be seen here.
There is also an
examplesdirectory inside the repository, demonstrating individual functions and operations.
Developers can run these examples from their local development copy.
Some examples may require a webserver-like environment to avoid
triggering browser security measures associated with local files.
To do so, one can run node_modules/.bin/st -l -nc
in the root of the development tree, and then visit
the local copy of the examples directory.
Building
If you have
npminstalled, running
npm installin the top level source directory should just work.
If you lack a compatible setup of
npmand
node, running
make build=releasein the top level source directory should be able to get a suitable setup installed inside the project directory tree. In general, all required third-party tools should be automatically downloaded and installed inside the project directory tree. One exception is a Java Runtime Environment, which has to be installed before (because users have to manually accept the terms and conditions before being allowed to download a JRE).
If
npmresp.
maketerminated successfully, then
build/jswill contain the artefacts which you'd likely want to include in your web site. If you are building from an official commit, then
make build=release deploywill create
build/deploywhich is even better suited to be put on a web server, since it references the commit at GitHub which may help diagnose problems.
Building on Windows
The description above uses
makemostly for convenience. Pretty much all the commands are in fact passed on to a JavaScript-based build system contained in the
makedirectory. If you don't have
makeavailable on Windows, you can call
node makeinstead. So a standard release build would be
node make build=release.
Note that you should have the following software installed: * A recent Java Runtime Environment (JRE) * Node.js with the
nodecommand added to the PATH * Git for Windows with the
gitcommand usable from the Windows Command Prompt
Contributing
When you work on the code base the simple
makeor
node makewill give you a build which is fast to compile and easy to debug. In contrast to this,
node make build=releasewill perform additional compilation steps like running the Closure Compiler. It may issue more warnings, which in turn might be useful when developing. You should make sure that your code works in both build modes.
If you are confident that your work is done, call
make alltestsafter you did
git addto stage your changes. That will ensure that your modifications pass all kinds of tests. The same tests will be run automatically on pull requests. Once your modifications satisfy your expectations, pass these tests and are accompanied by a suitable test case or demonstrating example (where appropriate), you may file a pull request for your changes.
Documentation
The CindyJS API documentation describes how to create a widget on an HTML page using this framework.
Other documentation in the
refdirectory describes large portions of the CindyScript programming language. This documentation, however, started as a copy of the corresponding Cinderella documentation. It is currently meant as a goal of what functionality should be supported, while actual support might still be lagging behind. If there is a particular feature you'd need for your work, don't hesitate to file a feature request for it.
License
CindyJS is licensed under the Apache 2 license.