bluesky.plans.spiral_fermat

bluesky.plans.spiral_fermat(detectors, x_motor, y_motor, x_start, y_start, x_range, y_range, dr, factor, *, dr_y=None, tilt=0.0, per_step=None, md=None)[source]

Absolute fermat spiral scan, centered around (x_start, y_start)

Parameters
detectorslist

list of ‘readable’ objects

x_motorobject

any ‘settable’ object (motor, temp controller, etc.)

y_motorobject

any ‘settable’ object (motor, temp controller, etc.)

x_startfloat

x center

y_startfloat

y center

x_rangefloat

x width of spiral

y_rangefloat

y width of spiral

drfloat

delta radius

factorfloat

radius gets divided by this

dr_yfloat, optional

Delta radius along the major axis of the ellipse, if not specifed defaults to dr.

tiltfloat, optional

Tilt angle in radians, default 0.0

per_stepcallable, optional

hook for customizing action of inner loop (messages per step). See docstring of bluesky.plan_stubs.one_nd_step() (the default) for details.

mddict, optional

metadata