def get_calc_group():
    return  get_exec_pars().group + "calc/"

xx=None
def after_readout(rec):
    global xx
    xx=rec
    print ("----")
    print rec[0],rec[1]
    print rec.getValue("sin"),rec.getValue("out")
    print rec.getValue(sin),rec.getValue(out)
    print rec.getSetpoint("inp"),rec.getSetpoint(inp),rec.getSetpoint(0)
    print rec.getPosition("inp"),rec.getPosition(inp),rec.getPosition(0)
    if get_exec_pars().persist:  #This is not to write if "save=False” is set in the scan command
        if rec.index == 0:
             create_dataset(get_calc_group() + "Value1")
        append_dataset(get_calc_group() + "Value1", rec) #The calculated value

#set_exec_pars(layout="sf")

def before_region(i):
    print i

#r1 = rscan(inp, (sin,out) , [(0,5,5), (10,15,20), (20,25,5)] , 0.01, passes = 3, zigzag = True, before_region=before_region, after_read=after_readout)   
#set_attribute("/", "Test", 1)

r1 = rscan(inp, (sin,out,arr) , [(0,5,5), (10,15,20), (20,25,5)] , 0.01, passes = 3, zigzag = True)   
print r1.getReadable(sin)

"""
r2 = rscan(inp, (sin,out,arr) , [(0,5,5), (10,15,20), (20,25,5)] , 0.01, passes = 3, zigzag = True, keep=False, setpoints=True)   
print r2.getReadable(sin)
print r2.getPositions(inp)
print r2.getSetpoints(inp)
"""