Geometric mean of a per-axis scale. Used as a scalar fallback for chrome
hit-test radii and hairline stroke widths under non-uniform zoom.
Degenerates to s.x (or s.y) when the two axes are equal; otherwise
sits between them.
Under non-uniform zoom a circular screen-pixel hit region projects to
an ellipse in world space (and vice versa). The geometric-mean
approximation is intentionally a v1 fallback — proper axis-aware
elliptical hit shapes are a future follow-up.
Geometric mean of a per-axis scale. Used as a scalar fallback for chrome hit-test radii and hairline stroke widths under non-uniform zoom. Degenerates to
s.x(ors.y) when the two axes are equal; otherwise sits between them.Under non-uniform zoom a circular screen-pixel hit region projects to an ellipse in world space (and vice versa). The geometric-mean approximation is intentionally a v1 fallback — proper axis-aware elliptical hit shapes are a future follow-up.