What is the curve-fitting algorithm used in the curve editor?
To the best of my knowledge, I believe it's a form of Lagrange Interpolating Polynomial (capped at the bounds of the editor)?
Thank you,
keehun
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2018-10-31 01:49:21
As a fellow iOS/macos developer, I have been a long-time customer, user, and fan of Pixelmator and Pixelmator Pro, and I wanted to ask a question that I hope one of the developers can chime in on.
What is the curve-fitting algorithm used in the curve editor?
To the best of my knowledge, I believe it's a form of Lagrange Interpolating Polynomial (capped at the bounds of the editor)?
Thank you,
keehun
What is the curve-fitting algorithm used in the curve editor?
To the best of my knowledge, I believe it's a form of Lagrange Interpolating Polynomial (capped at the bounds of the editor)?
Thank you,
keehun
2018-10-31 08:06:38
Hi, Keehun Nam.
It is cubic spline interpolation. You can find more information here: https://en.wikipedia.org/wiki/Spline_interpolation
This method is commonly used to implement Curves functionality. That is why we used it — to not be a surprise to our users.
It is cubic spline interpolation. You can find more information here: https://en.wikipedia.org/wiki/Spline_interpolation
This method is commonly used to implement Curves functionality. That is why we used it — to not be a surprise to our users.
2018-10-31 15:37:49
Thank you very much for that information, Anton!