Docs

Spherical Gradient

A soft blob mask that needs no remapping: 1 at the centre, falling to 0 at a distance of 1.

Spherical Gradient node

The Spherical Gradient node

When to use it

A soft blob mask that needs no remapping: 1 at the centre, falling to 0 at a distance of 1.

That 1 is one world unit, which is tiny. Straight out of the box this node reads 0 almost everywhere and looks broken. Scale the domain to size it, because the falloff distance is fixed and there is no radius pin to change.

Good for localising an effect: noise only near a point, colour only around a landmark.

Pins

Pin Type Description
CenterX Number Where the middle sits along X.
CenterY Number Where the middle sits along Y.
CenterZ Number Where the middle sits along Z.
Pin Type Description
Result Number 1 at the middle, fading to 0 one unit out.