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1. PySide6 HermiteSplineItem PySide6 HermiteSplineItem

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   """

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   Qt/ PySide only seem to support Bezier splines, which aren't elegant for interactive line editing. 

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   This implements 2-point Hermite splines, where you direclty manipulate the points on the line ("knots") and the tangents to the points.

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   Much like "curves" in PowerPoint/ Illustrator/ etc.

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   Based on chatGPT (4o) Hermite spline code, extended to handle relative tangents, selecting, etc.

2. qtPyGraphEdit qtPyGraphEdit Public

   A graphical node-edge graph editor, in Python and Qt (PySide6)

   Python