Curve Ensemble

Curve Ensemble is a free C++ open-source project for fitting, editing, and painting curves. The primary focus is on minimal energy curves, and our implimentation includes (Restricted) Elastic Splines as well as several methods related to parametric cubic splines. For each minimal energy curve method the following features are available:
* Robust algorithm to find minimal energy interpolating curve.
* Flexible node specifications (regular, clamped, free, data ball).
* Multiple curves on the same canvas.
* Transformation tools (translate, rotate, scale).
* Elaborate painting capabilities.
There are also other useful methods implemented, like Lines, Circles and DataBalls,
and tools for subdivision and shortest/smoothest path through data balls.
Usage is now fully documented in a 27-page manual, Curve_Ensemble_manual.pdf.

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