Beispiel #1
0
def report(text, level=None, slack=False):
    '''Print a string to:
      * the log file
      * the screen
      * the BMM beamtime slack channel

    Report level decorations  on screen:

      * 'error' (red)
      * 'warning' (yellow)
      * 'info' (brown)
      * 'url' (undecorated)
      * 'bold' (bright white)
      * 'verbosebold' (bright cyan)
      * 'list' (cyan)
      * 'disconnected' (purple)
      * 'whisper' (gray)

    not matching a report level will be undecorated
    '''
    BMMuser = user_ns['BMMuser']
    BMM_log_info(text)
    if color:  # test that color is sensible...
        if level == 'error':
            print(error_msg(text))
        elif level == 'warning':
            print(warning_msg(text))
        elif level == 'info':
            print(info_msg(text))
        elif level == 'url':
            print(url_msg(text))
        elif level == 'bold':
            print(bold_msg(text))
        elif level == 'verbosebold':
            print(verbosebold_msg(text))
        elif level == 'disconnected':
            print(disconnected_msg(text))
        elif level == 'list':
            print(list_msg(text))
        elif level == 'whisper':
            print(whisper(text))
        else:
            print(text)
    else:
        print(text)
    if BMMuser.use_slack and slack:
        post_to_slack(text)
def BMM_help():
    '''
    Print a concise summary of data acquisition commands.
    '''
    BMMuser = user_ns['BMMuser']
    print('')
    print(bold_msg('Open the shutter:\t\t') + 'shb.open()')
    print(bold_msg('Close the shutter:\t\t') + 'shb.close()')
    print('')
    print(bold_msg('Change energy:\t\t\t') + 'RE(mv(dcm.energy, <energy>))')
    print(
        bold_msg('Move a motor, absolute:\t\t') +
        'RE(mv(<motor>, <position>))')
    print(
        bold_msg('Move a motor, relative:\t\t') + 'RE(mvr(<motor>, <delta>))')
    print(bold_msg('Where is a motor?\t\t') + '%w <motor>')
    print('')
    print(bold_msg('Where is the DCM?\t\t') + '%w dcm')
    print(bold_msg('Where is M2?\t\t\t') + '%w m2')
    print(bold_msg('Where is M3?\t\t\t') + '%w m3')
    print(bold_msg('Where are the slits?\t\t') + '%w slits3')
    print(bold_msg('Where is the XAFS table?\t') + '%w xafs_table')
    print('')
    print(bold_msg('Summarize all motor positions:\t') + '%m')
    print(bold_msg('Summarize utilities:\t\t') + '%ut')
    print('')
    print(
        bold_msg('How long will a scan seq. be?\t') + 'howlong(\'scan.ini\')')
    print(bold_msg('Run a scan sequence:\t\t') + 'RE(xafs(\'scan.ini\'))')
    print(
        bold_msg('Scan a motor, plot a detector:\t') +
        'RE(linescan(<det>, <motor>, <start>, <stop>, <nsteps>))')
    print(
        bold_msg('Scan 2 motors, plot a detector:\t') +
        'RE(areascan(<det>, <slow motor>, <start>, <stop>, <nsteps>, <fast motor>, <start>, <stop>, <nsteps>))'
    )
    #print(bold_msg('Single energy XAS detection:\t')+'RE(sead(\'timescan.ini\'))')
    print(
        bold_msg('Make a log entry:\t\t') + 'BMM_log_info(\'blah blah blah\')')
    print('')
    print(bold_msg('DATA = ') + BMMuser.DATA)
    print('')
    print(
        bold_msg('All the details: ') +
        url_msg('https://nsls-ii-bmm.github.io/BeamlineManual/index.html'))
    return None
def BMM_keys():
    '''
    Print a concise summary of command line hotkeys.
    '''
    print('')
    print(bold_msg('Abort scan:\t\t') + error_msg('Ctrl-c twice!'))
    print(bold_msg('Search backwards:\t') + 'Ctrl-r')
    print(bold_msg('Quit search:\t\t') + 'Ctrl-g')
    print(bold_msg('Beginning of line:\t') + 'Ctrl-a')
    print(bold_msg('End of line:\t\t') + 'Ctrl-e')
    print(bold_msg('Delete character\t') + 'Ctrl-d')
    print(bold_msg('Cut text to eol\t\t') + 'Ctrl-k')
    print(bold_msg('Cut text to bol\t\t') + 'Ctrl-u')
    print(bold_msg('Paste text\t\t') + 'Ctrl-y')
    print(bold_msg('Clear screen\t\t') + 'Ctrl-l')
    print('')
    print(
        bold_msg('More details: ') + url_msg(
            'https://jakevdp.github.io/PythonDataScienceHandbook/01.02-shell-keyboard-shortcuts.html'
        ))
    return None
Beispiel #4
0
def change_edge(el,
                focus=False,
                edge='K',
                energy=None,
                slits=True,
                target=300.,
                xrd=False,
                bender=True):
    '''Change edge energy by:
    1. Moving the DCM above the edge energy
    2. Moving the photon delivery system to the correct mode
    3. Running a rocking curve scan
    4. Running a slits_height scan

    Parameters
    ----------
    el : str
        one- or two-letter symbol
    focus : bool, optional
        T=focused or F=unfocused beam [False, unfocused]
    edge : str, optional
        edge symbol ['K']
    energy : float, optional
        e0 value [None, determined from el/edge]
    slits : bool, optional
        perform slit_height() scan [False]
    target : float, optional
        energy where rocking curve is measured [300]
    xrd : boolean, optional
        force photon delivery system to XRD [False]

    Examples
    --------
    Normal use, unfocused beam:
       
    >>> RE(change_edge('Fe'))

    Normal use, focused beam:
       
    >>> RE(change_edge('Fe', focus=True))

    L2 or L1 edge:
       
    >>> RE(change_edge('Re', edge='L2'))

    Measure rocking curve at edge energy:
      
    >>> RE(change_edge('Fe', target=0))

    XRD, new energy:
       
    >>> RE(change_edge('Fe', xrd=True, energy=8600))
        
    note that you must specify an element, but it doesn't matter which
    one the energy will be moved to the specified energy xrd=True
    implies focus=True and target=0

    '''
    BMMuser, RE, dcm, dm3_bct = user_ns['BMMuser'], user_ns['RE'], user_ns[
        'dcm'], user_ns['dm3_bct']
    dcm_pitch, dcm_bragg = user_ns['dcm_pitch'], user_ns['dcm_bragg']
    rkvs = user_ns['rkvs']
    try:
        xs = user_ns['xs']
    except:
        pass
    #BMMuser.prompt = True
    el = el.capitalize()

    ######################################################################
    # this is a tool for verifying a macro.  this replaces an xafsmod scan  #
    # with a sleep, allowing the user to easily map out motor motions in #
    # a macro                                                            #
    if BMMuser.macro_dryrun:
        print(
            info_msg(
                '\nBMMuser.macro_dryrun is True.  Sleeping for %.1f seconds rather than changing to the %s edge.\n'
                % (BMMuser.macro_sleep, el)))
        countdown(BMMuser.macro_sleep)
        return (yield from null())
    ######################################################################

    if pds_motors_ready() is False:
        print(
            error_msg(
                '\nOne or more motors are showing amplifier faults.\nToggle the correct kill switch, then re-enable the faulted motor.'
            ))
        return (yield from null())

    (ok, text) = BMM_clear_to_start()
    if ok is False:
        print(
            error_msg('\n' + text) +
            bold_msg('Quitting change_edge() macro....\n'))
        return (yield from null())

    if energy is None:
        energy = edge_energy(el, edge)

    if energy is None:
        print(
            error_msg('\nEither %s or %s is not a valid symbol\n' %
                      (el, edge)))
        return (yield from null())
    if energy > 23500:
        edge = 'L3'
        energy = edge_energy(el, 'L3')

    if energy < 4000:
        print(warning_msg('The %s edge energy is below 4950 eV' % el))
        print(warning_msg('You have to change energy by hand.'))
        return (yield from null())

    if energy > 23500:
        print(
            warning_msg(
                'The %s edge energy is outside the range of this beamline!' %
                el))
        return (yield from null())

    BMMuser.edge = edge
    BMMuser.element = el
    BMMuser.edge_energy = energy
    rkvs.set('BMM:pds:edge', edge)
    rkvs.set('BMM:pds:element', el)
    rkvs.set('BMM:pds:edge_energy', energy)

    if energy > 8000:
        mode = 'A' if focus else 'D'
    elif energy < 6000:
        #mode = 'B' if focus else 'F'   ## mode B currently is inaccessible :(
        mode = 'C' if focus else 'F'
    else:
        mode = 'C' if focus else 'E'
    if xrd:
        mode = 'XRD'
        focus = True
        target = 0.0
    current_mode = get_mode()
    if mode in ('D', 'E', 'F') and current_mode in ('D', 'E', 'F'):
        with_m2 = False
    elif mode in ('A', 'B',
                  'C') and current_mode in ('A', 'B',
                                            'C'):  # no need to move M2
        with_m2 = False
    else:
        with_m2 = True
    if all_connected(with_m2) is False:
        print(warning_msg('Ophyd connection failure' % el))
        return (yield from null())

    ################################
    # confirm configuration change #
    ################################
    print(bold_msg('\nEnergy change:'))
    print('   %s: %s %s' %
          (list_msg('edge'), el.capitalize(), edge.capitalize()))
    print('   %s: %.1f' % (list_msg('edge energy'), energy))
    print('   %s: %.1f' % (list_msg('target energy'), energy + target))
    print('   %s: %s' % (list_msg('focus'), str(focus)))
    print('   %s: %s' % (list_msg('photon delivery mode'), mode))
    print('   %s: %s' % (list_msg('optimizing slits height'), str(slits)))
    if BMMuser.prompt:
        action = input("\nBegin energy change? [Y/n then Enter] ")
        if action.lower() == 'q' or action.lower() == 'n':
            return (yield from null())
        if mode == 'C' and energy < 6000:
            print(
                warning_msg(
                    '\nMoving to mode C for focused beam and an edge energy below 6 keV.'
                ))
            action = input(
                "You will not get optimal harmonic rejection.  Continue anyway?  [Y/n then Enter] "
            )
            if action.lower() == 'q' or action.lower() == 'n':
                return (yield from null())

    start = time.time()
    if mode == 'XRD':
        report('Configuring beamline for XRD', level='bold', slack=True)
    else:
        report(
            f'Configuring beamline for {el.capitalize()} {edge.capitalize()} edge',
            level='bold',
            slack=True)
    yield from dcm.kill_plan()

    ################################################
    # change to the correct photon delivery mode   #
    #      + move mono to correct energy           #
    #      + move reference holder to correct slot #
    ################################################
    # if not calibrating and mode != current_mode:
    #     print('Moving to photon delivery mode %s...' % mode)
    yield from mv(dcm_bragg.acceleration, BMMuser.acc_slow)
    yield from change_mode(mode=mode,
                           prompt=False,
                           edge=energy + target,
                           reference=el,
                           bender=bender)
    yield from mv(dcm_bragg.acceleration, BMMuser.acc_fast)
    if arrived_in_mode(mode=mode) is False:
        print(error_msg(f'\nFailed to arrive in Mode {mode}'))
        print(
            'Fixing this is often as simple as re-running the change_mode() command.'
        )
        print('Or try dm3_bct.kill() the re-run the change_mode() command.')
        print('If that doesn\'t work, call for help')
        return (yield from null())

    yield from user_ns['kill_mirror_jacks']()
    yield from sleep(1)
    if BMMuser.motor_fault is not None:
        print(
            error_msg('\nSome motors are reporting amplifier faults: %s' %
                      BMMuser.motor_fault))
        print(
            'Clear the faults and try running the same change_edge() command again.'
        )
        print('Troubleshooting: ' + url_msg(
            'https://nsls-ii-bmm.github.io/BeamlineManual/trouble.html#amplifier-fault'
        ))
        BMMuser.motor_fault = None
        return (yield from null())
    BMMuser.motor_fault = None

    ############################
    # run a rocking curve scan #
    ############################
    print('Optimizing rocking curve...')
    yield from abs_set(dcm_pitch.kill_cmd, 1, wait=True)
    yield from mv(dcm_pitch, approximate_pitch(energy + target))
    yield from sleep(1)
    yield from abs_set(dcm_pitch.kill_cmd, 1, wait=True)
    yield from rocking_curve()
    close_last_plot()

    ##########################
    # run a slit height scan #
    ##########################
    if slits:
        print('Optimizing slits height...')
        yield from slit_height(move=True)
        close_last_plot()
        ## redo rocking curve?

    ##################################
    # set reference and roi channels #
    ##################################
    if not xrd:
        ## reference channel
        rois = user_ns['rois']
        print('Moving reference foil...')
        yield from rois.select_plan(el)
        ## Xspress3
        BMMuser.verify_roi(xs, el, edge)
        ## feedback
        show_edges()

    if mode == 'XRD':
        report('Finished configuring for XRD', level='bold', slack=True)
    else:
        report(
            f'Finished configuring for {el.capitalize()} {edge.capitalize()} edge',
            level='bold',
            slack=True)
    if slits is False:
        print(
            '  * You may need to verify the slit position:  RE(slit_height())')
    self.to_json(os.path.join(self.DATA, '.BMMuser'))
    yield from dcm.kill_plan()
    end = time.time()
    print('\n\nThat took %.1f min' % ((end - start) / 60))
    return ()
def sanitize_step_scan_parameters(bounds, steps, times):
    '''Attempt to identify and flag/correct some common scan parameter mistakes.'''
    problem = False
    text = ''

    ############################################################################
    # bounds is one longer than steps/times, length of steps = length of times #
    ############################################################################
    if (len(bounds) - len(steps)) != 1:
        text += error_msg('\nbounds must have one more item than steps\n')
        text += error_msg('\tbounds = %s\n' % ' '.join(map(str, bounds)))
        text += error_msg('\tsteps = %s\n' % ' '.join(map(str, steps)))
        problem = True
    if (len(bounds) - len(times)) != 1:
        text += error_msg('\nbounds must have one more item than times\n')
        text += error_msg('\tbounds = %s\n' % ' '.join(map(str, bounds)))
        text += error_msg('\ttimes = %s\n' % ' '.join(map(str, times)))
        problem = True

    ############################
    # tests of boundary values #
    ############################
    for b in bounds:
        if not isfloat(b) and b[-1:].lower() == 'k':
            if not isfloat(b[:-1]):
                text += error_msg('\n%s is not a valid scan boundary value\n' %
                                  b)
                problem = True
        elif not isfloat(b):
            text += error_msg('\n%s is not a valid scan boundary value\n' % b)
            problem = True

        if not isfloat(b) and b[:1] == '-' and b[-1:].lower() == 'k':
            text += error_msg(
                '\nNegative bounds must be energy-valued, not k-valued (%s)\n'
                % b)
            problem = True

    #############################
    # tests of step size values #
    #############################
    for s in steps:
        if not isfloat(s) and s[-1:].lower() == 'k':
            if not isfloat(s[:-1]):
                text += error_msg(
                    '\n%s is not a valid scan step size value\n' % s)
                problem = True
            elif float(s[:-1]) < 0:
                text += error_msg('\nStep sizes cannot be negative (%s)\n' % s)
                problem = True
        elif not isfloat(s):
            text += error_msg('\n%s is not a valid scan step size value\n' % s)
            problem = True

        if isfloat(s) and float(s) < 0:
            text += error_msg('\nStep sizes cannot be negative (%s)\n' % s)
            problem = True
        elif isfloat(s) and float(s) <= 0.09:
            text += warning_msg('\n%s is a very small step size!\n' % s)
        elif not isfloat(s) and s[-1:].lower() == 'k' and isfloat(
                s[-1:]) and float(s[:-1]) < 0.01:
            text += warning_msg('\n%s is a very small step size!\n' % s)

    ####################################
    # tests of integration time values #
    ####################################
    for t in times:
        if not isfloat(t) and t[-1:].lower() == 'k':
            if not isfloat(t[:-1]):
                text += error_msg(
                    '\n%s is not a valid integration time value\n' % t)
                problem = True
            elif float(t[:-1]) < 0:
                text += error_msg(
                    '\nIntegration times cannot be negative (%s)\n' % t)
                problem = True
        elif not isfloat(t):
            text += error_msg('\n%s is not a valid integration time value\n' %
                              t)
            problem = True

        if isfloat(t) and float(t) < 0:
            text += error_msg('\nIntegration times cannot be negative (%s)\n' %
                              t)
            problem = True
        elif isfloat(t) and float(t) <= 0.1:
            text += warning_msg('\n%s is a very short integration time!\n' % t)
        elif not isfloat(t) and t[-1:].lower() == 'k' and isfloat(
                t[-1:]) and float(t[:-1]) < 0.05:
            text += warning_msg('\n%s is a very short integration time!\n' % t)

    if text:
        text += error_msg('\nsee ') + url_msg(
            'https://nsls-ii-bmm.github.io/BeamlineManual/xafs.html#scan-regions\n'
        )

    return problem, text