def indexer():
from xia2.DriverExceptions.NotAvailableError import NotAvailableError
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
try:
return LabelitIndex()
except NotAvailableError:
pytest.skip("labelit not found")
def __init__(self, indxr_print=True):
super(LabelitIndexer, self).__init__()
# this will check that Labelit is available in the PATH
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
index = LabelitIndex()
# control over the behaviour
self._refine_beam = True
# this is linked to the above!
self._beam_search_scope = 0.0
#self._solutions = { }
self._solution = None
self._indxr_print = indxr_print
def _index(self):
'''Actually index the diffraction pattern. Note well that
this is not going to compute the matrix...'''
# acknowledge this program
Citations.cite('labelit')
Citations.cite('distl')
#self.reset()
_images = []
for i in self._indxr_images:
for j in i:
if not j in _images:
_images.append(j)
_images.sort()
images_str = '%d' % _images[0]
for i in _images[1:]:
images_str += ', %d' % i
cell_str = None
if self._indxr_input_cell:
cell_str = '%.2f %.2f %.2f %.2f %.2f %.2f' % \
self._indxr_input_cell
if self._indxr_sweep_name:
# then this is a proper autoindexing run - describe this
# to the journal entry
#if len(self._fp_directory) <= 50:
#dirname = self._fp_directory
#else:
#dirname = '...%s' % self._fp_directory[-46:]
dirname = os.path.dirname(self.get_imageset().get_template())
Journal.block(
'autoindexing', self._indxr_sweep_name, 'labelit',
{'images':images_str,
'target cell':cell_str,
'target lattice':self._indxr_input_lattice,
'template':self.get_imageset().get_template(),
'directory':dirname})
if len(_images) > 4:
raise RuntimeError, 'cannot use more than 4 images'
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
index = LabelitIndex()
index.set_working_directory(self.get_working_directory())
auto_logfiler(index)
#task = 'Autoindex from images:'
#for i in _images:
#task += ' %s' % self.get_image_name(i)
#self.set_task(task)
Debug.write('Indexing from images:')
for i in _images:
index.add_image(self.get_image_name(i))
Debug.write('%s' % self.get_image_name(i))
xsweep = self.get_indexer_sweep()
if xsweep is not None:
if xsweep.get_distance() is not None:
index.set_distance(xsweep.get_distance())
#if self.get_wavelength_prov() == 'user':
#index.set_wavelength(self.get_wavelength())
if xsweep.get_beam_centre() is not None:
index.set_beam_centre(xsweep.get_beam_centre())
if self._refine_beam is False:
index.set_refine_beam(False)
else:
index.set_refine_beam(True)
index.set_beam_search_scope(self._beam_search_scope)
if ((math.fabs(self.get_wavelength() - 1.54) < 0.01) or
(math.fabs(self.get_wavelength() - 2.29) < 0.01)):
index.set_Cu_KA_or_Cr_KA(True)
#sweep = self.get_indexer_sweep_name()
#FileHandler.record_log_file(
#'%s INDEX' % (sweep), self.get_log_file())
try:
index.run()
except RuntimeError, e:
if self._refine_beam is False:
raise e
# can we improve the situation?
if self._beam_search_scope < 4.0:
self._beam_search_scope += 4.0
# try repeating the indexing!
self.set_indexer_done(False)
return 'failed'
# otherwise this is beyond redemption
raise e
def _index(self):
'''Actually index the diffraction pattern. Note well that
this is not going to compute the matrix...'''
# acknowledge this program
Citations.cite('labelit')
Citations.cite('distl')
#self.reset()
_images = []
for i in self._indxr_images:
for j in i:
if not j in _images:
_images.append(j)
_images.sort()
images_str = '%d' % _images[0]
for i in _images[1:]:
images_str += ', %d' % i
cell_str = None
if self._indxr_input_cell:
cell_str = '%.2f %.2f %.2f %.2f %.2f %.2f' % \
self._indxr_input_cell
if self._indxr_sweep_name:
# then this is a proper autoindexing run - describe this
# to the journal entry
#if len(self._fp_directory) <= 50:
#dirname = self._fp_directory
#else:
#dirname = '...%s' % self._fp_directory[-46:]
dirname = os.path.dirname(self.get_imageset().get_template())
Journal.block(
'autoindexing', self._indxr_sweep_name, 'labelit', {
'images': images_str,
'target cell': cell_str,
'target lattice': self._indxr_input_lattice,
'template': self.get_imageset().get_template(),
'directory': dirname
})
if len(_images) > 4:
raise RuntimeError('cannot use more than 4 images')
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
index = LabelitIndex()
index.set_working_directory(self.get_working_directory())
auto_logfiler(index)
#task = 'Autoindex from images:'
#for i in _images:
#task += ' %s' % self.get_image_name(i)
#self.set_task(task)
Debug.write('Indexing from images:')
for i in _images:
index.add_image(self.get_image_name(i))
Debug.write('%s' % self.get_image_name(i))
xsweep = self.get_indexer_sweep()
if xsweep is not None:
if xsweep.get_distance() is not None:
index.set_distance(xsweep.get_distance())
#if self.get_wavelength_prov() == 'user':
#index.set_wavelength(self.get_wavelength())
if xsweep.get_beam_centre() is not None:
index.set_beam_centre(xsweep.get_beam_centre())
if self._refine_beam is False:
index.set_refine_beam(False)
else:
index.set_refine_beam(True)
index.set_beam_search_scope(self._beam_search_scope)
if ((math.fabs(self.get_wavelength() - 1.54) < 0.01)
or (math.fabs(self.get_wavelength() - 2.29) < 0.01)):
index.set_Cu_KA_or_Cr_KA(True)
#sweep = self.get_indexer_sweep_name()
#FileHandler.record_log_file(
#'%s INDEX' % (sweep), self.get_log_file())
try:
index.run()
except RuntimeError as e:
if self._refine_beam is False:
raise e
# can we improve the situation?
if self._beam_search_scope < 4.0:
self._beam_search_scope += 4.0
# try repeating the indexing!
self.set_indexer_done(False)
return 'failed'
# otherwise this is beyond redemption
raise e
self._solutions = index.get_solutions()
# FIXME this needs to check the smilie status e.g.
# ":)" or ";(" or " ".
# FIXME need to check the value of the RMSD and raise an
# exception if the P1 solution has an RMSD > 1.0...
# Change 27/FEB/08 to support user assigned spacegroups
# (euugh!) have to "ignore" solutions with higher symmetry
# otherwise the rest of xia will override us. Bummer.
for i, solution in self._solutions.iteritems():
if self._indxr_user_input_lattice:
if (lattice_to_spacegroup(solution['lattice']) >
lattice_to_spacegroup(self._indxr_input_lattice)):
Debug.write('Ignoring solution: %s' % solution['lattice'])
del self._solutions[i]
# check the RMSD from the triclinic unit cell
if self._solutions[1]['rmsd'] > 1.0 and False:
# don't know when this is useful - but I know when it is not!
raise RuntimeError('high RMSD for triclinic solution')
# configure the "right" solution
self._solution = self.get_solution()
# now store also all of the other solutions... keyed by the
# lattice - however these should only be added if they
# have a smiley in the appropriate record, perhaps?
for solution in self._solutions.keys():
lattice = self._solutions[solution]['lattice']
if lattice in self._indxr_other_lattice_cell:
if self._indxr_other_lattice_cell[lattice]['goodness'] < \
self._solutions[solution]['metric']:
continue
self._indxr_other_lattice_cell[lattice] = {
'goodness': self._solutions[solution]['metric'],
'cell': self._solutions[solution]['cell']
}
self._indxr_lattice = self._solution['lattice']
self._indxr_cell = tuple(self._solution['cell'])
self._indxr_mosaic = self._solution['mosaic']
lms = LabelitMosflmScript()
lms.set_working_directory(self.get_working_directory())
lms.set_solution(self._solution['number'])
self._indxr_payload['mosflm_orientation_matrix'] = lms.calculate()
# get the beam centre from the mosflm script - mosflm
# may have inverted the beam centre and labelit will know
# this!
mosflm_beam_centre = lms.get_mosflm_beam()
if mosflm_beam_centre:
self._indxr_payload['mosflm_beam_centre'] = tuple(
mosflm_beam_centre)
import copy
detector = copy.deepcopy(self.get_detector())
beam = copy.deepcopy(self.get_beam())
from dxtbx.model.detector_helpers import set_mosflm_beam_centre
set_mosflm_beam_centre(detector, beam, mosflm_beam_centre)
from xia2.Experts.SymmetryExpert import lattice_to_spacegroup_number
from scitbx import matrix
from cctbx import sgtbx, uctbx
from dxtbx.model import CrystalFactory
mosflm_matrix = matrix.sqr([
float(i) for line in lms.calculate()
for i in line.replace("-", " -").split()
][:9])
space_group = sgtbx.space_group_info(
lattice_to_spacegroup_number(self._solution['lattice'])).group()
crystal_model = CrystalFactory.from_mosflm_matrix(
mosflm_matrix,
unit_cell=uctbx.unit_cell(tuple(self._solution['cell'])),
space_group=space_group)
from dxtbx.model import Experiment, ExperimentList
experiment = Experiment(
beam=beam,
detector=detector,
goniometer=self.get_goniometer(),
scan=self.get_scan(),
crystal=crystal_model,
)
experiment_list = ExperimentList([experiment])
self.set_indexer_experiment_list(experiment_list)
# also get an estimate of the resolution limit from the
# labelit.stats_distl output... FIXME the name is wrong!
lsd = LabelitStats_distl()
lsd.set_working_directory(self.get_working_directory())
lsd.stats_distl()
resolution = 1.0e6
for i in _images:
stats = lsd.get_statistics(self.get_image_name(i))
resol = 0.5 * (stats['resol_one'] + stats['resol_two'])
if resol < resolution:
resolution = resol
self._indxr_resolution_estimate = resolution
return 'ok'
def _index(self):
"""Actually index the diffraction pattern. Note well that
this is not going to compute the matrix..."""
# acknowledge this program
if not self._indxr_images:
raise RuntimeError("No good spots found on any images")
Citations.cite("labelit")
Citations.cite("distl")
_images = []
for i in self._indxr_images:
for j in i:
if not j in _images:
_images.append(j)
_images.sort()
images_str = "%d" % _images[0]
for i in _images[1:]:
images_str += ", %d" % i
cell_str = None
if self._indxr_input_cell:
cell_str = "%.2f %.2f %.2f %.2f %.2f %.2f" % self._indxr_input_cell
if self._indxr_sweep_name:
# then this is a proper autoindexing run - describe this
# to the journal entry
if len(self._fp_directory) <= 50:
dirname = self._fp_directory
else:
dirname = "...%s" % self._fp_directory[-46:]
Journal.block(
"autoindexing",
self._indxr_sweep_name,
"labelit",
{
"images": images_str,
"target cell": cell_str,
"target lattice": self._indxr_input_lattice,
"template": self._fp_template,
"directory": dirname,
},
)
# auto_logfiler(self)
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
index = LabelitIndex()
index.set_working_directory(self.get_working_directory())
auto_logfiler(index)
# task = 'Autoindex from images:'
# for i in _images:
# task += ' %s' % self.get_image_name(i)
# self.set_task(task)
# self.add_command_line('--index_only')
Debug.write("Indexing from images:")
for i in _images:
index.add_image(self.get_image_name(i))
Debug.write("%s" % self.get_image_name(i))
if self._primitive_unit_cell:
index.set_primitive_unit_cell(self._primitive_unit_cell)
if self._indxr_input_cell:
index.set_max_cell(1.25 * max(self._indxr_input_cell[:3]))
xsweep = self.get_indexer_sweep()
if xsweep is not None:
if xsweep.get_distance() is not None:
index.set_distance(xsweep.get_distance())
# if self.get_wavelength_prov() == 'user':
# index.set_wavelength(self.get_wavelength())
if xsweep.get_beam_centre() is not None:
index.set_beam_centre(xsweep.get_beam_centre())
if self._refine_beam is False:
index.set_refine_beam(False)
else:
index.set_refine_beam(True)
index.set_beam_search_scope(self._beam_search_scope)
if (math.fabs(self.get_wavelength() - 1.54) <
0.01) or (math.fabs(self.get_wavelength() - 2.29) < 0.01):
index.set_Cu_KA_or_Cr_KA(True)
try:
index.run()
except RuntimeError as e:
if self._refine_beam is False:
raise e
# can we improve the situation?
if self._beam_search_scope < 4.0:
self._beam_search_scope += 4.0
# try repeating the indexing!
self.set_indexer_done(False)
return "failed"
# otherwise this is beyond redemption
raise e
self._solutions = index.get_solutions()
# FIXME this needs to check the smilie status e.g.
# ":)" or ";(" or " ".
# FIXME need to check the value of the RMSD and raise an
# exception if the P1 solution has an RMSD > 1.0...
# Change 27/FEB/08 to support user assigned spacegroups
# (euugh!) have to "ignore" solutions with higher symmetry
# otherwise the rest of xia will override us. Bummer.
for i, solution in self._solutions.iteritems():
if self._indxr_user_input_lattice:
if lattice_to_spacegroup(
solution["lattice"]) > lattice_to_spacegroup(
self._indxr_input_lattice):
Debug.write("Ignoring solution: %s" % solution["lattice"])
del self._solutions[i]
# configure the "right" solution
self._solution = self.get_solution()
# now store also all of the other solutions... keyed by the
# lattice - however these should only be added if they
# have a smiley in the appropriate record, perhaps?
for solution in self._solutions.keys():
lattice = self._solutions[solution]["lattice"]
if lattice in self._indxr_other_lattice_cell:
if (self._indxr_other_lattice_cell[lattice]["goodness"] <
self._solutions[solution]["metric"]):
continue
self._indxr_other_lattice_cell[lattice] = {
"goodness": self._solutions[solution]["metric"],
"cell": self._solutions[solution]["cell"],
}
self._indxr_lattice = self._solution["lattice"]
self._indxr_cell = tuple(self._solution["cell"])
self._indxr_mosaic = self._solution["mosaic"]
lms = LabelitMosflmMatrix()
lms.set_working_directory(self.get_working_directory())
lms.set_solution(self._solution["number"])
self._indxr_payload["mosflm_orientation_matrix"] = lms.calculate()
# get the beam centre from the mosflm script - mosflm
# may have inverted the beam centre and labelit will know
# this!
mosflm_beam_centre = lms.get_mosflm_beam()
if mosflm_beam_centre:
self._indxr_payload["mosflm_beam_centre"] = tuple(
mosflm_beam_centre)
detector = copy.deepcopy(self.get_detector())
beam = copy.deepcopy(self.get_beam())
from dxtbx.model.detector_helpers import set_mosflm_beam_centre
set_mosflm_beam_centre(detector, beam, mosflm_beam_centre)
from xia2.Experts.SymmetryExpert import lattice_to_spacegroup_number
from scitbx import matrix
from cctbx import sgtbx, uctbx
from dxtbx.model import CrystalFactory
mosflm_matrix = matrix.sqr([
float(i) for line in lms.calculate()
for i in line.replace("-", " -").split()
][:9])
space_group = sgtbx.space_group_info(
lattice_to_spacegroup_number(self._solution["lattice"])).group()
crystal_model = CrystalFactory.from_mosflm_matrix(
mosflm_matrix,
unit_cell=uctbx.unit_cell(tuple(self._solution["cell"])),
space_group=space_group,
)
from dxtbx.model import Experiment, ExperimentList
experiment = Experiment(
beam=beam,
detector=detector,
goniometer=self.get_goniometer(),
scan=self.get_scan(),
crystal=crystal_model,
)
experiment_list = ExperimentList([experiment])
self.set_indexer_experiment_list(experiment_list)
# also get an estimate of the resolution limit from the
# labelit.stats_distl output... FIXME the name is wrong!
lsd = LabelitStats_distl()
lsd.set_working_directory(self.get_working_directory())
lsd.stats_distl()
resolution = 1.0e6
for i in _images:
stats = lsd.get_statistics(self.get_image_name(i))
resol = 0.5 * (stats["resol_one"] + stats["resol_two"])
if resol < resolution:
resolution = resol
self._indxr_resolution_estimate = resolution
return "ok"
def exercise_labelit_index():
if not have_dials_regression:
print "Skipping exercise_labelit_index(): dials_regression not configured"
return
xia2_demo_data = os.path.join(dials_regression, "xia2_demo_data")
template = os.path.join(xia2_demo_data, "insulin_1_%03i.img")
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
# exercise basic indexing from two images
cwd = os.path.abspath(os.curdir)
tmp_dir = open_tmp_directory()
os.chdir(tmp_dir)
from xia2.DriverExceptions.NotAvailableError import NotAvailableError
try:
indexer = LabelitIndex()
except NotAvailableError:
print "Skipping exercise_labelit_index(): labelit not found"
return
indexer.set_beam_search_scope(4.0)
indexer.add_image(template % 1)
indexer.add_image(template % 45)
indexer.run()
output = "".join(indexer.get_all_output())
print output
assert approx_equal(indexer.get_mosflm_beam_centre(), (94.35, 94.52), eps=1e-1)
assert approx_equal(indexer.get_mosflm_detector_distance(), 159.8, eps=1e-1)
solutions = indexer.get_solutions()
assert len(solutions) == 22
assert approx_equal(solutions[22]["cell"], [78.6, 78.6, 78.6, 90, 90, 90], eps=2e-2)
assert solutions[22]["lattice"] == "cI"
assert solutions[22]["rmsd"] <= 0.076
assert solutions[22]["metric"] <= 0.1243
assert solutions[22]["smiley"] == ":) "
assert solutions[22]["number"] == 22
assert solutions[22]["mosaic"] == 0.05
assert abs(solutions[22]["nspots"] - 563) <= 3
# now exercise indexing off multiple images and test more settings
os.chdir(cwd)
tmp_dir = open_tmp_directory()
os.chdir(tmp_dir)
indexer = LabelitIndex()
indexer.add_image(template % 1)
indexer.add_image(template % 22)
indexer.add_image(template % 45)
indexer.set_distance(160)
indexer.set_beam_centre((94.24, 94.52))
indexer.set_wavelength(0.98)
indexer.set_refine_beam(False)
indexer.run()
output = "".join(indexer.get_all_output())
print output
assert approx_equal(indexer.get_mosflm_beam_centre(), (94.35, 94.49), eps=4e-2)
assert approx_equal(indexer.get_mosflm_detector_distance(), 159.75, eps=1e-1)
solutions = indexer.get_solutions()
assert len(solutions) == 22
assert approx_equal(solutions[22]["cell"], [78.61, 78.61, 78.61, 90, 90, 90], eps=5e-2)
assert solutions[22]["lattice"] == "cI"
assert solutions[22]["rmsd"] <= 0.084
assert solutions[22]["metric"] <= 0.1663
assert solutions[22]["smiley"] == ":) "
assert solutions[22]["number"] == 22
assert solutions[22]["mosaic"] == 0.025
assert abs(solutions[22]["nspots"] - 823) <= 41 # XXX quite a big difference!
def _index(self):
'''Actually index the diffraction pattern. Note well that
this is not going to compute the matrix...'''
# acknowledge this program
if not self._indxr_images:
raise RuntimeError, 'No good spots found on any images'
Citations.cite('labelit')
Citations.cite('distl')
_images = []
for i in self._indxr_images:
for j in i:
if not j in _images:
_images.append(j)
_images.sort()
images_str = '%d' % _images[0]
for i in _images[1:]:
images_str += ', %d' % i
cell_str = None
if self._indxr_input_cell:
cell_str = '%.2f %.2f %.2f %.2f %.2f %.2f' % \
self._indxr_input_cell
if self._indxr_sweep_name:
# then this is a proper autoindexing run - describe this
# to the journal entry
if len(self._fp_directory) <= 50:
dirname = self._fp_directory
else:
dirname = '...%s' % self._fp_directory[-46:]
Journal.block(
'autoindexing', self._indxr_sweep_name, 'labelit',
{'images':images_str,
'target cell':cell_str,
'target lattice':self._indxr_input_lattice,
'template':self._fp_template,
'directory':dirname})
#auto_logfiler(self)
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
index = LabelitIndex()
index.set_working_directory(self.get_working_directory())
auto_logfiler(index)
#task = 'Autoindex from images:'
#for i in _images:
#task += ' %s' % self.get_image_name(i)
#self.set_task(task)
#self.add_command_line('--index_only')
Debug.write('Indexing from images:')
for i in _images:
index.add_image(self.get_image_name(i))
Debug.write('%s' % self.get_image_name(i))
if self._indxr_input_lattice and False:
index.set_space_group_number(
lattice_to_spacegroup(self._indxr_input_lattice))
if self._primitive_unit_cell:
index.set_primitive_unit_cell(self._primitive_unit_cell)
if self._indxr_input_cell:
index.set_max_cell(1.25 * max(self._indxr_input_cell[:3]))
xsweep = self.get_indexer_sweep()
if xsweep is not None:
if xsweep.get_distance() is not None:
index.set_distance(xsweep.get_distance())
#if self.get_wavelength_prov() == 'user':
#index.set_wavelength(self.get_wavelength())
if xsweep.get_beam_centre() is not None:
index.set_beam_centre(xsweep.get_beam_centre())
if self._refine_beam is False:
index.set_refine_beam(False)
else:
index.set_refine_beam(True)
index.set_beam_search_scope(self._beam_search_scope)
if ((math.fabs(self.get_wavelength() - 1.54) < 0.01) or
(math.fabs(self.get_wavelength() - 2.29) < 0.01)):
index.set_Cu_KA_or_Cr_KA(True)
try:
index.run()
except RuntimeError, e:
if self._refine_beam is False:
raise e
# can we improve the situation?
if self._beam_search_scope < 4.0:
self._beam_search_scope += 4.0
# try repeating the indexing!
self.set_indexer_done(False)
return 'failed'
# otherwise this is beyond redemption
raise e
def test_indexing_with_labelit_on_two_images(dials_regression, tmpdir):
template = os.path.join(dials_regression, "xia2_demo_data",
"insulin_1_%03i.img")
tmpdir.chdir()
from xia2.DriverExceptions.NotAvailableError import NotAvailableError
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
try:
indexer = LabelitIndex()
except NotAvailableError:
pytest.skip("labelit not found")
indexer.set_beam_search_scope(4.0)
for image in (1, 45):
indexer.add_image(template % image)
indexer.run()
print(''.join(indexer.get_all_output()))
assert indexer.get_mosflm_beam_centre() == pytest.approx((94.35, 94.52),
abs=1e-1)
assert indexer.get_mosflm_detector_distance() == pytest.approx(159.8,
abs=1e-1)
solutions = indexer.get_solutions()
assert len(solutions) == 22
assert solutions[22]['cell'] == pytest.approx(
[78.6, 78.6, 78.6, 90, 90, 90], abs=1e-1)
assert solutions[22]['lattice'] == 'cI'
assert solutions[22]['rmsd'] <= 0.12
assert solutions[22]['metric'] <= 0.1243
assert solutions[22]['smiley'] == ':) '
assert solutions[22]['number'] == 22
assert solutions[22]['mosaic'] <= 0.2
assert solutions[22]['nspots'] == pytest.approx(563, abs=30)
def test_indexing_with_labelit_on_multiple_images(dials_regression, tmpdir):
template = os.path.join(dials_regression, "xia2_demo_data",
"insulin_1_%03i.img")
tmpdir.chdir()
from xia2.DriverExceptions.NotAvailableError import NotAvailableError
from xia2.Wrappers.Labelit.LabelitIndex import LabelitIndex
try:
indexer = LabelitIndex()
except NotAvailableError:
pytest.skip("labelit not found")
for image in (1, 22, 45):
indexer.add_image(template % image)
indexer.set_distance(160)
indexer.set_beam_centre((94.24, 94.52))
indexer.set_wavelength(0.98)
indexer.set_refine_beam(False)
indexer.run()
print(''.join(indexer.get_all_output()))
assert indexer.get_mosflm_beam_centre() == pytest.approx((94.35, 94.49),
abs=4e-2)
assert indexer.get_mosflm_detector_distance() == pytest.approx(159.75,
abs=1e-1)
solutions = indexer.get_solutions()
assert len(solutions) == 22
assert solutions[22]['cell'] == pytest.approx(
[78.61, 78.61, 78.61, 90, 90, 90], abs=5e-2)
assert solutions[22]['lattice'] == 'cI'
assert solutions[22]['rmsd'] <= 0.16
assert solutions[22]['metric'] <= 0.18
assert solutions[22]['smiley'] == ':) '
assert solutions[22]['number'] == 22
assert solutions[22]['mosaic'] <= 0.12
assert solutions[22]['nspots'] == pytest.approx(
823, abs=41) # XXX quite a big difference!