Originally written in 199x. One of @geometer's first programming projects.
Refurbished in July-September 2021. Special thanks to @temper8 for OpenGL smoothing solution.
Written in C++/Qt6, tested on Linux (Ubuntu 20.04) + Qt 6.1.3, and MacOSX (Monterey 12.0 beta, Intel) + Qt 6.1.3.
An app for
- drawing knot diagrams
- converting them to 3d knots
- smoothing the knots
- computing and showing Seifert surfaces
- computing some knot invariants
- etc.
For possible improvements list please refer the TODO. Please, note: this is not a roadmap. Just a collection of thoughts. Maybe I implement something from the list in the future, maybe not.
C++ compiler (the code uses some C++17 features), Qt6, OpenGL, rapidjson.
To install build dependencies on Ubuntu 20.04:
sudo apt install g++ make ccache libgl-dev rapidjson-dev
Qt6 is available from the Qt site. KnotEditor is truly open-source, so feel free to use the open-source Qt edition for this app.
cd KnotEditor
/<your-path-to-qt6>/<version>/gcc_64/bin/qmake
(e.g., ~/Qt6/6.1.3/gcc_64/bin/qmake)
make
By default, the app is installed to /usr/local/bin/KnotEditor. Single binary, no additional files. Alternatively, you can change the INSTALL_PREFIX var in src/qmake.pri.
sudo make install
KnotEditor
You can build it from the sources, as described below. Alternatively, you can
DMG Image: KnotEditor for MacOS Monterey (Intel)
Clang C++ compiler, ccache, Qt6, rapidjson.
To install rapidjson use:
brew install rapidjson
Qt6 is available from the Qt site. KnotEditor is truly open-source, so feel free to use the open-source Qt edition for this app.
cd KnotEditor
/<your-path-to-qt6>/<version>/macos/bin/qmake
(e.g., ~/Qt6/6.1.3/macos/bin/qmake)
make
After a successful build, the app is in src/qt folder. Open the folder in Finder and drag-n-drop the app to the Applications folder. Please note that Qt frameworks are not included in the app. If you plan to delete Qt installation from your Mac, run
/<your-path-to-qt6>/<version>/macos/bin/macdeployqt src/qt/KnotEditor.app
before installation.
