Treelike  v1.0
References

Sean Barrett. stb: single-file public domain (or MIT licensed) libraries for C/C++. https://github.com/nothings/stb

Oscar Kin-Chung Au, Chiew-Lan Tai, Hung-Kuo Chu, Daniel Cohen-Or, and Tong-Yee Lee. Skeleton Extraction by Mesh Contraction. ACM Trans. Graph., 27(3):1-10, August 2008.

Omar Cornut. Dear ImGui: Bloat-free Immediate Mode Graphical User Interface for C++ with minimal dependencies. https://github.com/ocornut/imgui.

Danijel Durakovic. mINI: INI file reader and writer. https://github.com/pulzed/mINI

Gaël Guennebaud, Benoît Jacob, et al. Eigen v3, 2010. http://eigen.tuxfamily.org

Sam Hocevar. Portable File Dialogs: A free C++11 file dialog library. https://github.com/samhocevar/portable-file-dialogs

Alec Jacobson, Daniele Panozzo, et al. libigl: A simple C++ geometry processing library, 2018. https://libigl.github.io/

Nils Lichtenberg and Kai Lawonn. Parameterization and Feature Extraction for the Visualization of Tree-like Structures. In Proceedings of the Eurographics Workshop on Visual Computing for Biology and Medicine, EG VCBM ’18, page 145-155, Goslar, DEU, 2018. Eurographics Association.

Guodong Rong and Tiow-Seng Tan. Jump Flooding in GPU with Applications to Voronoi Diagram and Distance Transform. In Proceedings of the 2006 Symposium on Interactive 3D Graphics and Games, I3D ’06, page 109-116, New York, NY, USA, 2006. Association for Computing Machinery.