def test_dwelltimes(dt, md=None):
md = bmm_metadata(measurement='fluorescence')
dets = [det]
args = [
dets,
]
start = list(0.5 * numpy.ones(len(dt)))
stop = list(2.5 * numpy.ones(len(dt)))
for q in zip(dt, start, stop):
args.extend(q)
args.append(5) # five steps from 0.5 to 2.5
yield from scan(*args, md=md)
def main_plan(inifile, force, **kwargs):
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
## read and check INI content
orig = inifile
if not os.path.isfile(inifile):
inifile = DATA + inifile
if not os.path.isfile(inifile):
print(
warning_msg('\n%s does not exist! Bailing out....\n' %
orig))
return (orig, -1)
print(bold_msg('reading ini file: %s' % inifile))
(p, f) = scan_metadata(inifile=inifile, **kwargs)
if not any(
p): # scan_metadata returned having printed an error message
return (yield from null())
#if not os.path.isdir(p['folder']):
# print(error_msg('\n%s is not a folder\n' % p['folder']))
# return(yield from null())
detector = 'It'
if 'trans' in p['mode']:
detector = 'It'
elif 'fluo' in p['mode']:
detector = 'If'
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
## verify output file name won't be overwritten
outfile = '%s.%3.3d' % (os.path.join(p['folder'],
p['filename']), p['start'])
if os.path.isfile(outfile):
print(error_msg('%s already exists! Bailing out....' % outfile))
return (yield from null())
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
## prompt user and verify that we are clear to start
text = '\n'
for k in ('folder', 'filename', 'experimenters', 'e0', 'npoints',
'dwell', 'delay', 'sample', 'prep', 'comment', 'mode',
'snapshots'):
text = text + ' %-13s : %-50s\n' % (k, p[k])
if BMMuser.prompt:
boxedtext('How does this look?',
text + '\n %-13s : %-50s\n' %
('output file', outfile),
'green',
width=len(outfile) + 25) # see 05-functions
action = input("\nBegin time scan? [Y/n then Enter] ")
if action.lower() == 'q' or action.lower() == 'n':
return (yield from null())
(ok, ctstext) = BMM_clear_to_start()
if force is False and ok is False:
print(error_msg(ctstext))
yield from null()
return
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
# organize metadata for injection into database and XDI output
print(bold_msg('gathering metadata'))
md = bmm_metadata(
measurement=p['mode'],
experimenters=p['experimenters'],
edge=p['edge'],
element=p['element'],
edge_energy=p['e0'],
direction=0,
scantype='fixed',
channelcut=p['channelcut'],
mono='Si(%s)' % dcm._crystal,
i0_gas='N2', #\
it_gas='N2', # > these three need to go into INI file
ir_gas='N2', #/
sample=p['sample'],
prep=p['prep'],
stoichiometry=None,
mode=p['mode'],
comment=p['comment'],
)
del (md['XDI']['Element']['edge'])
del (md['XDI']['Element']['symbol'])
md['XDI']['Column']['01'] = 'time seconds'
md['XDI']['Column']['02'] = md.copy()['XDI']['Column']['03']
md['XDI']['Column']['03'] = md.copy()['XDI']['Column']['04']
md['XDI']['Column']['04'] = md['XDI']['Column']['05']
del (md['XDI']['Column']['05'])
md['_kind'] = 'sead'
rightnow = metadata_at_this_moment() # see 62-metadata.py
for family in rightnow.keys(): # transfer rightnow to md
if type(rightnow[family]) is dict:
if family not in md:
md[family] = dict()
for k in rightnow[family].keys():
md[family][k] = rightnow[family][k]
xdi = {'XDI': md}
BMM_log_info(
'Starting single-energy absorption detection time scan using\n%s:\n%s\nCommand line arguments = %s\nMoving to measurement energy: %.1f eV'
% (inifile, text, str(kwargs), p['e0']))
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
## move to the energy specified in the INI file
print(bold_msg('Moving to measurement energy: %.1f eV' % p['e0']))
dcm.mode = 'fixed'
yield from mv(dcm.energy, p['e0'])
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
## snap photos
if p['snapshots']:
image = os.path.join(
p['folder'], 'snapshots',
"%s_XASwebcam_%s.jpg" % (p['filename'], now()))
snap('XAS', filename=image)
image = os.path.join(p['folder'], 'snapshots',
"%s_analog_%s.jpg" % (p['filename'], now()))
snap('analog', filename=image)
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
## engage suspenders right before starting measurement
if not force: BMM_suspenders()
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
## perform the actual time scan
uid = yield from timescan(detector,
p['npoints'],
p['dwell'],
p['delay'],
force=force,
md={**xdi})
## --*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--
## write the output file
header = db[uid]
write_XDI(outfile, header) # yield from ?
report('wrote time scan to %s' % outfile)