d3.forceCenter([x, y]) Creates a new centering force with the specified
collide.radius([radius]) If radius is specified, sets the radius accessor to the specified number or function
d3.forceCollide([radius]) Creates a new circle collision force with the specified
d3.forceY([y]) Creates a new positioning force along the y-axis towards the given position
y.y([y]) If y is specified, sets the y-coordinate accessor to the specified number or function, re-evaluates
force(alpha) Applies this force, optionally observing the specified alpha. Typically, the force is applied to the
x.strength([strength]) If strength is specified, sets the strength accessor to the specified number or function
manyBody.distanceMax([distance]) If distance is specified, sets the maximum distance between nodes over which
y.strength([strength]) If strength is specified, sets the strength accessor to the specified number or function
simulation.alphaTarget([target]) If target is specified, sets the current target
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