[Feature] series-line. sampling: an algorithm better than LTTB

[LiHongYan666]

What problem does this feature solve?

There is a better algorithm than LTTB for sampling series-line.

Compared to existing algorithms, it achieves the best visualization effect and performance.

Paper DOI: 10.1109/TVCG.2024.3456375

What does the proposed API look like?

The FPCS algorithm implementation is quite simple and has undergone extensive testing.

We hope the official team will consider using it.

Thank you so much.