def write_parameters(self):
if self.entry.nxfilemode == 'r':
display_message("NeXus file opened as readonly")
return
elif ('nxrefine' in self.entry
or 'orientation_matrix' in self.entry['instrument/detector']):
if not self.confirm_action('Overwrite existing refinement?'):
return
self.transfer_parameters()
polar_angles, azimuthal_angles = self.refine.calculate_angles(
self.refine.xp, self.refine.yp)
self.refine.write_angles(polar_angles, azimuthal_angles)
self.refine.write_parameters()
reduce = NXReduce(self.entry)
reduce.record_start('nxrefine')
reduce.record('nxrefine', fit_report='\n'.join(self.fit_report))
reduce.logger.info('Orientation refined in NeXpy')
reduce.record_end('nxrefine')
root = self.entry.nxroot
entries = [
entry for entry in root.entries
if entry != 'entry' and entry != self.entry.nxname
]
if entries and self.confirm_action(
f'Copy orientation to other entries? ({", ".join(entries)})',
answer='yes'):
om = self.entry['instrument/detector/orientation_matrix']
for entry in entries:
root[entry]['instrument/detector/orientation_matrix'] = om
self.define_data()
if len(self.paths) > 0:
self.update_scaling()
def choose_root(self):
self.checkbox['overwrite'].setVisible(False)
for entry in [e for e in self.root if e != 'entry']:
reduce = NXReduce(self.root[entry])
if not reduce.not_complete('nxcopy'):
self.checkbox['overwrite'].setVisible(True)
self._selected = True
def choose_entry(self):
if self.layout.count() == 2:
self.insert_layout(1, self.parameters.grid_layout)
self.insert_layout(2, self.prepare_layout)
self.reduce = NXReduce(self.entry)
self.parameters['first'].value = self.reduce.first
self.parameters['last'].value = self.reduce.last
def main():
parser = argparse.ArgumentParser(
description="Link data and metadata to NeXus file")
parser.add_argument('-d', '--directory', required=True,
help='scan directory')
parser.add_argument('-e', '--entries', nargs='+',
help='names of entries to be searched')
parser.add_argument('-o', '--overwrite', action='store_true',
help='overwrite existing peaks')
parser.add_argument('-q', '--queue', action='store_true',
help='add to server task queue')
args = parser.parse_args()
if args.entries:
entries = args.entries
else:
entries = NXMultiReduce(args.directory).entries
for entry in entries:
reduce = NXReduce(entry, args.directory, link=True,
overwrite=args.overwrite)
if args.queue:
reduce.queue('nxlink', args)
else:
reduce.nxlink()
def choose_entry(self):
self.reduce = NXReduce(self.entry)
self.maximum = self.reduce.maximum
if self.reduce.first:
self.parameters['first'].value = self.reduce.first
if self.reduce.last:
self.parameters['last'].value = self.reduce.last
def sum_scans(self):
server = NXServer(self.experiment_directory)
if not server.is_running():
raise NeXusError('Server not running')
scan_filter = ';;'.join(("NeXus Files (*.nxs)", "Any Files (*.* *)"))
preferred_name = os.path.join(self.sample_directory,
self.sample + '_' + 'sum.nxs')
scan_file = getSaveFileName(self, 'Choose Summed File Name',
preferred_name, scan_filter)
if not scan_file:
return
prefix = self.sample + '_'
if not os.path.basename(scan_file).startswith(prefix):
raise NeXusError("Summed file name must start with '%s'" % prefix)
self.scan_label = self.get_label(scan_file)
scan_dir = os.path.join(self.sample_directory, self.scan_label)
scan_file = os.path.join(self.sample_directory,
self.sample + '_' + self.scan_label + '.nxs')
copy_file = os.path.join(self.sample_directory, self.scan_files[0])
if os.path.exists(scan_dir):
if not confirm_action(
"New scan directory already exists. Overwrite?"):
return
else:
os.mkdir(scan_dir)
copyfile(copy_file, scan_file)
self.clean_scan(scan_file)
self.treeview.tree.load(scan_file, 'rw')
reduce = NXReduce(directory=scan_dir)
for entry in reduce.entries:
server.add_task('nxsum -d %s -e %s -o -s %s' %
(scan_dir, entry, self.scan_list))
def main():
parser = argparse.ArgumentParser(description="Perform CCTW transform")
parser.add_argument('-d',
'--directory',
required=True,
help='scan directory')
parser.add_argument('-e',
'--entries',
default=['f1', 'f2', 'f3'],
nargs='+',
help='names of entries to be processed')
parser.add_argument('-m',
'--mask',
action='store_true',
help='use 3D mask')
parser.add_argument('-qh', nargs=3, help='Qh - min, step, max')
parser.add_argument('-qk', nargs=3, help='Qk - min, step, max')
parser.add_argument('-ql', nargs=3, help='Ql - min, step, max')
parser.add_argument('-r',
'--radius',
default=200,
help='radius of mask around each peak (in pixels)')
parser.add_argument('-w',
'--width',
default=3,
help='width of masked region (in frames)')
parser.add_argument('-o',
'--overwrite',
action='store_true',
help='overwrite existing transforms')
parser.add_argument('-q',
'--queue',
action='store_true',
help='add to server task queue')
args = parser.parse_args()
for entry in args.entries:
reduce = NXReduce(entry,
args.directory,
transform=True,
mask=args.mask,
Qh=args.qh,
Qk=args.qk,
Ql=args.ql,
radius=args.radius,
width=args.width,
overwrite=args.overwrite)
if args.mask:
if args.queue:
reduce.queue()
else:
reduce.nxmasked_transform()
else:
if args.queue:
reduce.queue()
else:
reduce.nxtransform()
def main():
parser = argparse.ArgumentParser(
description="Find peaks within the NeXus data")
parser.add_argument('-d',
'--directory',
required=True,
help='scan directory')
parser.add_argument('-e',
'--entries',
nargs='+',
help='names of entries to be searched')
parser.add_argument('-t', '--threshold', type=float, help='peak threshold')
parser.add_argument('-f', '--first', type=int, help='first frame')
parser.add_argument('-l', '--last', type=int, help='last frame')
parser.add_argument('-P',
'--pixels',
type=int,
help='minimum pixels in a peak')
parser.add_argument('-o',
'--overwrite',
action='store_true',
help='overwrite existing peaks')
parser.add_argument('-p',
'--parent',
default=None,
help='The parent .nxs file to use')
parser.add_argument('-m',
'--monitor',
action='store_true',
help='monitor progress in the command line')
parser.add_argument('-q',
'--queue',
action='store_true',
help='add to server task queue')
args = parser.parse_args()
if args.entries:
entries = args.entries
else:
entries = NXMultiReduce(args.directory).entries
for entry in entries:
reduce = NXReduce(entry,
args.directory,
find=True,
threshold=args.threshold,
first=args.first,
last=args.last,
min_pixels=args.pixels,
overwrite=args.overwrite,
monitor_progress=args.monitor)
if args.queue:
reduce.queue('nxfind', args)
else:
reduce.nxfind()
def make_parent(self):
reduce = NXReduce(directory=self.get_scan(self.get_filename()),
overwrite=True)
reduce.make_parent()
nxdb.update_file(reduce.wrapper_file)
if self.parent_file:
nxdb.update_file(self.parent_file)
self.parent_file = reduce.wrapper_file
self.filename.setText(os.path.basename(self.parent_file))
self.update()
def main():
parser = argparse.ArgumentParser(description="Perform CCTW transform")
parser.add_argument('-d',
'--directory',
required=True,
help='scan directory')
parser.add_argument('-e',
'--entries',
nargs='+',
help='names of entries to be processed')
parser.add_argument('-qh', nargs=3, help='Qh - min, step, max')
parser.add_argument('-qk', nargs=3, help='Qk - min, step, max')
parser.add_argument('-ql', nargs=3, help='Ql - min, step, max')
parser.add_argument('-R',
'--regular',
action='store_true',
help='perform regular transform')
parser.add_argument('-M',
'--mask',
action='store_true',
help='perform transform with 3D mask')
parser.add_argument('-o',
'--overwrite',
action='store_true',
help='overwrite existing transforms')
parser.add_argument('-q',
'--queue',
action='store_true',
help='add to server task queue')
args = parser.parse_args()
if args.entries:
entries = args.entries
else:
entries = NXMultiReduce(args.directory).entries
for entry in entries:
reduce = NXReduce(entry,
args.directory,
transform=True,
Qh=args.qh,
Qk=args.qk,
Ql=args.ql,
regular=args.regular,
mask=args.mask,
overwrite=args.overwrite)
if args.queue:
reduce.queue('nxtransform', args)
else:
if reduce.regular:
reduce.nxtransform()
if reduce.mask:
reduce.nxtransform(mask=True)
def accept(self):
if not self._selected:
raise NeXusError("Need to select output file before saving")
elif self.root.nxfilemode == 'r':
raise NeXusError("NeXus file is locked")
if self.overwrite:
for entry in [e for e in self.root if e != 'entry']:
reduce = NXReduce(self.root[entry], copy=True, overwrite=True)
reduce.nxcopy()
else:
raise NeXusError("Much check 'overwrite' to save parameters")
super(CopyDialog, self).accept()
def add_tasks(self):
if self.grid is None:
raise NeXusError('Need to update status')
for scan in [s for s in self.enabled_scans if self.any_selected(s)]:
for i, entry in enumerate(self.enabled_scans[scan]['entries']):
if self.only_combined(scan):
if i == 0:
reduce = NXMultiReduce(scan)
reduce.regular = reduce.mask = False
else:
break
else:
reduce = NXReduce(entry, scan)
reduce.regular = reduce.mask = False
if self.selected(scan, 'link'):
reduce.link = True
if self.selected(scan, 'copy'):
reduce.copy = True
if self.selected(scan, 'max'):
reduce.maxcount = True
if self.selected(scan, 'find'):
reduce.find = True
if self.selected(scan, 'refine'):
reduce.refine = True
if self.selected(scan, 'prepare'):
reduce.prepare = True
if self.selected(scan, 'transform'):
reduce.transform = True
reduce.regular = True
if self.selected(scan, 'masked_transform'):
reduce.transform = True
reduce.mask = True
if self.selected(scan, 'combine'):
reduce.combine = True
reduce.regular = True
if self.selected(scan, 'masked_combine'):
reduce.combine = True
reduce.mask = True
if self.selected(scan, 'pdf'):
reduce.pdf = True
reduce.regular = True
if self.selected(scan, 'masked_pdf'):
reduce.pdf = True
reduce.mask = True
if self.selected(scan, 'overwrite'):
reduce.overwrite = True
reduce.queue('nxreduce')
time.sleep(0.5)
for task in self.tasks:
if self.selected(scan, task):
self.queued(scan, task)
self.deselect_all()
def find_peaks(self):
self.check_lock(self.reduce.data_file)
self.start_thread()
self.reduce = NXReduce(self.entry, threshold=self.threshold,
first=self.first, last=self.last,
find=True, overwrite=True, gui=True)
self.reduce.moveToThread(self.thread)
self.reduce.start.connect(self.start_progress)
self.reduce.update.connect(self.update_progress)
self.reduce.result.connect(self.get_peaks)
self.reduce.stop.connect(self.stop)
self.thread.started.connect(self.reduce.nxfind)
self.thread.start(QtCore.QThread.LowestPriority)
def main():
parser = argparse.ArgumentParser(
description="Set scan file as parent by creating a symbolic link")
parser.add_argument('-d',
'--directory',
required=True,
help='scan directory')
args = parser.parse_args()
reduce = NXReduce(directory=args.directory)
reduce.make_parent()
def choose_entry(self):
self.reduce = NXReduce(self.entry)
if self.reduce.first:
self.parameters['first'].value = self.reduce.first
if self.reduce.last:
self.parameters['last'].value = self.reduce.last
else:
try:
self.parameters['last'].value = len(self.entry.data.nxaxes[0])
except Exception:
pass
if self.reduce.threshold:
self.parameters['threshold'].value = self.reduce.threshold
def add_tasks(self):
if self.grid is None:
raise NeXusError('Need to update status')
for scan in self.enabled_scans:
for entry in self.entries:
reduce = NXReduce(entry, scan)
if self.selected(scan, 'link'):
reduce.link = True
if self.selected(scan, 'max'):
reduce.maxcount = True
if self.selected(scan, 'find'):
reduce.find = True
if self.selected(scan, 'copy'):
reduce.copy = True
if self.selected(scan, 'refine'):
reduce.refine = True
if self.selected(scan, 'transform'):
reduce.transform = True
if self.selected(scan, 'masked_transform'):
reduce.mask = True
if self.selected(scan, 'overwrite'):
reduce.overwrite = True
reduce.queue()
if self.selected(scan, 'link'):
self.queued(scan, 'link')
if self.selected(scan, 'max'):
self.queued(scan, 'max')
if self.selected(scan, 'find'):
self.queued(scan, 'find')
if self.selected(scan, 'copy'):
self.queued(scan, 'copy')
if self.selected(scan, 'refine'):
self.queued(scan, 'refine')
if self.selected(scan, 'transform'):
self.queued(scan, 'transform')
if self.selected(scan, 'masked_transform'):
self.queued(scan, 'masked_transform')
if self.selected(scan, 'combine'):
reduce = NXMultiReduce(scan, self.entries)
if self.selected(scan, 'overwrite'):
reduce.overwrite = True
reduce.queue()
self.queued(scan, 'combine')
if self.selected(scan, 'masked_combine'):
reduce = NXMultiReduce(scan, self.entries, mask=True)
if self.selected(scan, 'overwrite'):
reduce.overwrite = True
reduce.queue()
self.queued(scan, 'masked_combine')
self.scans[scan]
self.deselect_all()
def update_parameters(self):
reduce = NXReduce(self.entries[0])
if reduce.first:
self.parameters['first'].value = reduce.first
if reduce.last:
self.parameters['last'].value = reduce.last
if reduce.threshold:
self.parameters['threshold'].value = reduce.threshold
if reduce.radius:
self.parameters['radius'].value = reduce.radius
if reduce.width:
self.parameters['width'].value = reduce.width
if reduce.norm:
self.parameters['norm'].value = reduce.norm
def calculate_mask(self):
self.check_lock(self.reduce.wrapper_file)
self.thread = QtCore.QThread()
self.reduce = NXReduce(self.entry,
radius=self.radius,
width=self.width,
mask=True,
overwrite=True,
gui=True)
self.reduce.moveToThread(self.thread)
self.reduce.start.connect(self.start_progress)
self.reduce.update.connect(self.update_progress)
self.reduce.result.connect(self.calculate_mask)
self.reduce.stop.connect(self.stop)
self.thread.started.connect(self.reduce.nxfind)
self.thread.start(QtCore.QThread.LowestPriority)
def write_parameters(self):
self.transfer_parameters()
polar_angles, azimuthal_angles = self.refine.calculate_angles(
self.refine.xp, self.refine.yp)
self.refine.write_angles(polar_angles, azimuthal_angles)
self.refine.write_parameters()
reduce = NXReduce(self.entry)
reduce.record('nxrefine', fit_report='\n'.join(self.fit_report))
root = self.entry.nxroot
entries = [entry for entry in root.entries if entry != 'entry']
if entries and self.confirm_action(
'Copy orientation to other entries? (%s)' %
(', '.join(entries))):
om = self.entry['instrument/detector/orientation_matrix']
for entry in entries:
root[entry]['instrument/detector/orientation_matrix'] = om
def main():
parser = argparse.ArgumentParser(
description="Refine lattice parameters and goniometer angles")
parser.add_argument('-d',
'--directory',
required=True,
help='scan directory')
parser.add_argument('-e',
'--entries',
nargs='+',
help='names of entries to be processed')
parser.add_argument('-l',
'--lattice',
action='store_true',
help='refine lattice parameters')
parser.add_argument('-o',
'--overwrite',
action='store_true',
help='overwrite existing maximum')
parser.add_argument('-q',
'--queue',
action='store_true',
help='add to server task queue')
args = parser.parse_args()
if args.entries:
entries = args.entries
else:
entries = NXMultiReduce(args.directory).entries
for i, entry in enumerate(entries):
if i == 0:
lattice = args.lattice
else:
lattice = False
reduce = NXReduce(entry,
args.directory,
refine=True,
lattice=lattice,
overwrite=args.overwrite)
if args.queue:
reduce.queue('nxrefine', args)
else:
reduce.nxrefine()
def main():
parser = argparse.ArgumentParser(
description="Find peaks within the NeXus data")
parser.add_argument('-d',
'--directory',
required=True,
help='scan directory')
parser.add_argument('-e',
'--entries',
default=['f1', 'f2', 'f3'],
nargs='+',
help='names of entries to be searched')
parser.add_argument('-t',
'--threshold',
type=float,
help='peak threshold - defaults to maximum counts/10')
parser.add_argument('-f', '--first', type=int, help='first frame')
parser.add_argument('-l', '--last', type=int, help='last frame')
parser.add_argument('-o',
'--overwrite',
action='store_true',
help='overwrite existing peaks')
parser.add_argument('-p',
'--parent',
default=None,
help='The parent .nxs file to use')
parser.add_argument('-q',
'--queue',
action='store_true',
help='add to server task queue')
args = parser.parse_args()
for entry in args.entries:
reduce = NXReduce(entry,
args.directory,
find=True,
threshold=args.threshold,
first=args.first,
last=args.last,
overwrite=args.overwrite)
if args.queue:
reduce.queue()
else:
reduce.nxfind()
def find_maximum(self):
self.check_lock(self.reduce.data_file)
self.start_thread()
self.reduce = NXReduce(self.entry,
first=self.first,
last=self.last,
maxcount=True,
overwrite=True,
gui=True)
self.reduce.moveToThread(self.thread)
self.reduce.start.connect(self.start_progress)
self.reduce.update.connect(self.update_progress)
self.reduce.result.connect(self.get_maximum)
self.reduce.stop.connect(self.stop)
self.thread.started.connect(self.reduce.nxmax)
self.thread.finished.connect(self.stop)
self.thread.start(QtCore.QThread.LowestPriority)
def main():
parser = argparse.ArgumentParser(
description="Find maximum counts of the signal in the specified path")
parser.add_argument('-d',
'--directory',
required=True,
help='scan directory')
parser.add_argument('-e',
'--entries',
nargs='+',
help='names of entries to be processed')
parser.add_argument('-f', '--first', type=int, help='first frame')
parser.add_argument('-l', '--last', type=int, help='last frame')
parser.add_argument('-o',
'--overwrite',
action='store_true',
help='overwrite existing maximum')
parser.add_argument('-m',
'--monitor',
action='store_true',
help='monitor progress in the command line')
parser.add_argument('-q',
'--queue',
action='store_true',
help='add to server task queue')
args = parser.parse_args()
if args.entries:
entries = args.entries
else:
entries = NXMultiReduce(args.directory).entries
for entry in entries:
reduce = NXReduce(entry,
args.directory,
maxcount=True,
first=args.first,
last=args.last,
overwrite=args.overwrite,
monitor_progress=args.monitor)
if args.queue:
reduce.queue('nxmax', args)
else:
reduce.nxmax()
def choose_entry(self):
if self.layout.count() == 2:
self.insert_layout(1, self.parameters.grid_layout)
self.insert_layout(2, self.find_layout)
self.reduce = NXReduce(self.entry)
self.refine = NXRefine(self.entry)
self.refine.polar_max = self.refine.two_theta_max()
if self.reduce.first is not None:
self.parameters['first'].value = self.reduce.first
if self.reduce.last:
self.parameters['last'].value = self.reduce.last
else:
try:
self.parameters['last'].value = self.reduce.shape[0]
except Exception:
pass
self.parameters['threshold'].value = self.reduce.threshold
def main():
parser = argparse.ArgumentParser(
description="Find peaks within the NeXus data")
parser.add_argument('-d', '--directory', required=True,
help='directory containing summed files')
parser.add_argument('-e', '--entries', default=['f1', 'f2', 'f3'],
nargs='+', help='names of entries to be summed')
parser.add_argument('-s', '--scans', nargs='+', required=True,
help='list of scan directories to be summed')
parser.add_argument('-o', '--overwrite', action='store_true',
help='overwrite existing peaks')
args = parser.parse_args()
for entry in args.entries:
reduce = NXReduce(entry, args.directory, overwrite=args.overwrite)
reduce.nxsum(args.scans)
def find_peaks(self):
if is_file_locked(self.reduce.data_file):
return
self.start_thread()
self.reduce = NXReduce(self.entry,
threshold=self.threshold,
first=self.first,
last=self.last,
min_pixels=self.min_pixels,
find=True,
overwrite=True,
gui=True)
self.reduce.moveToThread(self.thread)
self.reduce.start.connect(self.start_progress)
self.reduce.update.connect(self.update_progress)
self.reduce.result.connect(self.get_peaks)
self.reduce.stop.connect(self.stop)
self.thread.started.connect(self.reduce.nxfind)
self.thread.start()
def prepare_mask(self):
if is_file_locked(self.reduce.data_file):
return
self.start_thread()
self.reduce = NXReduce(self.entry,
prepare=True,
first=self.first,
last=self.last,
overwrite=True,
gui=True)
self.reduce.mask_parameters['threshold_1'] = self.threshold1
self.reduce.mask_parameters['threshold_1'] = self.threshold1
self.reduce.mask_parameters['horizontal_size_1'] = self.horizontal1
self.reduce.mask_parameters['threshold_2'] = self.threshold2
self.reduce.mask_parameters['horizontal_size_2'] = self.horizontal2
self.reduce.moveToThread(self.thread)
self.reduce.start.connect(self.start_progress)
self.reduce.update.connect(self.update_progress)
self.reduce.result.connect(self.get_mask)
self.reduce.stop.connect(self.stop)
self.thread.started.connect(self.reduce.nxprepare)
self.thread.start()
def main():
parser = argparse.ArgumentParser(
description="Choose parameters for NXReduce operations")
parser.add_argument('-d', '--directory', required=True,
help='scan directory')
parser.add_argument('-t', '--threshold', type=float,
help='peak threshold')
parser.add_argument('-f', '--first', type=int, help='first frame')
parser.add_argument('-l', '--last', type=int, help='last frame')
parser.add_argument('-m', '--monitor',
help='monitor to use in normalizations')
parser.add_argument('-n', '--norm', type=float,
help='normalization to monitor')
parser.add_argument('-r', '--radius', type=float,
help='radius of punched holes in Å-1')
parser.add_argument('-Q', '--Qmax', type=float,
help='maximum Q in Å-1 used in PDF tapers')
parser.add_argument('-p', '--print', action='store_true',
help='print current parameters')
args = parser.parse_args()
reduce = NXReduce(directory=args.directory)
if args.print:
print('Current NXReduce parameters\n---------------------------')
print(f"Threshold = {reduce.threshold:g}")
print(f"First Frame = {reduce.first}")
print(f"Last Frame = {reduce.last}")
print(f"Monitor = {reduce.monitor}")
print(f"Normalization = {reduce.norm:g}")
print(f"Radius = {reduce.radius:g}")
print(f"Qmax = {reduce.Qmax:g}")
else:
reduce.write_parameters(threshold=args.threshold,
first=args.first, last=args.last,
monitor=args.monitor, norm=args.norm,
radius=args.radius, qmax=args.Qmax)
def main():
parser = argparse.ArgumentParser(description="Sum raw data files")
parser.add_argument('-d',
'--directory',
required=True,
help='directory containing summed files')
parser.add_argument('-c',
'--create',
action='store_true',
help='create the sum file and directory')
parser.add_argument('-e',
'--entries',
nargs='+',
help='names of entries to be summed')
parser.add_argument('-s',
'--scans',
nargs='+',
required=True,
help='list of scan directories to be summed')
parser.add_argument('-u',
'--update',
action='store_true',
help='update links to existing summed files')
parser.add_argument('-o',
'--overwrite',
action='store_true',
help='overwrite existing summed files')
args = parser.parse_args()
if args.create:
reduce = NXMultiReduce(args.directory, overwrite=True)
reduce.nxsum(args.scans)
else:
for entry in args.entries:
reduce = NXReduce(entry, args.directory, overwrite=args.overwrite)
reduce.nxsum(args.scans, update=args.update)
def main():
parser = argparse.ArgumentParser(
description="Copy instrument parameters from a parent file")
parser.add_argument('-d',
'--directory',
required=True,
help='scan directory')
parser.add_argument('-e',
'--entries',
default=['f1', 'f2', 'f3'],
nargs='+',
help='names of entries to be searched')
parser.add_argument('-p',
'--parent',
help='file name of file to copy from')
parser.add_argument('-o',
'--overwrite',
action='store_true',
help='overwrite existing peaks')
parser.add_argument('-q',
'--queue',
action='store_true',
help='add to server task queue')
args = parser.parse_args()
for entry in args.entries:
reduce = NXReduce(entry,
args.directory,
parent=args.parent,
copy=True,
overwrite=args.overwrite)
if args.queue:
reduce.queue()
else:
reduce.nxcopy()