pub fn ramp_to(
analysis: &mut Analysis,
node: NodeId,
dof: usize,
target: f64,
step: f64,
on_point: impl FnMut(f64, f64),
)Expand description
Walks the controlled DOF from wherever it is to target in steps no
larger than step, via repeated leg calls. Calls on_point after
every leg with (displacement, load_factor) so callers can record a
full trace, not just the endpoint.