linearInterpolation

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Import from @pibbl/core/viz. Returns an ordinary linear interpolation function.

linearInterpolation() returns (beforeY, afterY, fraction) => number. Pass it as interpolateX’s interpolation function or supply your own synchronous function. It estimates in data space before scales map the result. Inputs and output must be finite.

API details from source

linearInterpolation

Returns a plain data-space linear interpolation function.

linearInterpolation: () => HoverInterpolation

Related API: linearInterpolation, HoverInterpolation.

Returns

A linear interpolator for values bracketing a sample position. See HoverInterpolation .

See also

HoverInterpolation

View source — packages/core/src/features/viz/lib/hover-queries.ts:159

HoverInterpolation

Interpolates between two y values at a normalized position between samples.

type HoverInterpolation = (
  beforeY: number,
  afterY: number,
  fraction: number,
) => number

Related API: HoverInterpolation.

Parameters

• beforeY — Vertical value before the sample position.

• afterY — Vertical value after the sample position.

• fraction — Fraction of the distance from the before point to the after point.

Returns

The interpolated vertical value.

See also

InterpolateXOptions

linearInterpolation

View source — packages/core/src/features/viz/lib/hover-types.ts:227

Implementation guidance for agents

Read the Data visualization companion for ownership, adaptation, failure modes, and verification. Agent start provides the version-selection workflow.

Complete minimal examples

• Hover query helpers: Run closest-point, closest-x, and interpolated-x queries against a scale context. Plain source

Documentation version

Documentation built with @pibbl/core 0.0.2, revision 272a94a. ALPHA — NOT FOR PRODUCTION USE.