"""
Scan refocusing mirror RY and manipulator X in parallel  (to find analyser focus).
Beam stays on same spot on the sample.

set scan parameters below.
set analyser parameters separately!
move manipulator and mirror to center position before start!
"""

import math

# adjust the following parameters
DISTANCE_X = 1.0 # mm
#DISTANCE_Ry = 0.5 # mrad (Ry)
SLOPE = 1.75 # mm/mrad (DX / DRy)
STEPS = 50
LATENCY = 0.0
ENDSCAN = False

# do not edit below
#DISTANCE_X = DISTANCE_Ry * SLOPE
DISTANCE_Ry = DISTANCE_X / SLOPE
print DISTANCE_Ry

MOTOR = (RefocusYRot, ManipulatorX)
SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)
STARTPOS = (-DISTANCE_Ry / 2.0, -DISTANCE_X / 2.0)
ENDPOS = (DISTANCE_Ry / 2.0, DISTANCE_X / 2.0)
RELATIVE = True

print STARTPOS
print ENDPOS

adjust_sensors()
set_adc_averaging()

def trig_sensors():
    wait_beam()
    trig_scienta()
    caput("X03DA-OP-10ADC:TRG.PROC", 1)
    
try:
    lscan(MOTOR, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, RELATIVE, before_read=trig_sensors, after_read = after_readout)
finally:
    if ENDSCAN:
        after_scan()