visibleRange
visibleRange(
screenXs,viewXMin,viewXMax,pad?): [number,number]
Defined in: perf/viewport.ts:23
Find the contiguous visible index range for sorted-by-x data. Uses binary search — O(log n).
Returns [startIndex, endIndex] inclusive, with a margin of pad
extra indices on each side to avoid clipping artifacts at edges.
Parameters
Section titled “Parameters”screenXs
Section titled “screenXs”number[]
viewXMin
Section titled “viewXMin”number
viewXMax
Section titled “viewXMax”number
number = 2
Returns
Section titled “Returns”[number, number]