Largest Triangle Three Buckets, live
A companion to the LTTB article · 5,000 points in, your call how many come out
The gray line is 5,000 noisy points with a few sharp spikes. The colored line is what survives downsampling. Drag the threshold down to 50, then switch to every-Nth sampling and watch the spikes vanish while LTTB keeps them.
Method
Kept points as a table
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The LTTB implementation here is the one from the article, ported line for line. Every number on this page is computed in your browser on each change; nothing is precomputed.