class DataViewer(QtWidgets.QMainWindow):
def __init__(self,
data_directory=None,
window_title='Data browser',
default_parameter='amplitude',
extensions=None,
verbose=1):
""" Contstructs a simple viewer for Qcodes data.
Args:
data_directory (string or None): The directory to scan for experiments.
default_parameter (string): A name of default parameter to plot.
extensions (list): A list with the data file extensions to filter.
verbose (int): The logging verbosity level.
"""
super(DataViewer, self).__init__()
if extensions is None:
extensions = ['dat', 'hdf5']
self.verbose = verbose
self.default_parameter = default_parameter
self.data_directories = [None] * 2
self.directory_index = 0
if data_directory is None:
data_directory = qcodes.DataSet.default_io.base_location
self.extensions = extensions
# setup GUI
self.dataset = None
self.text = QtWidgets.QLabel()
# logtree
self.logtree = QtWidgets.QTreeView()
self.logtree.setSelectionBehavior(
QtWidgets.QAbstractItemView.SelectRows)
self._treemodel = QtGui.QStandardItemModel()
self.logtree.setModel(self._treemodel)
# metatabs
self.meta_tabs = QtWidgets.QTabWidget()
self.meta_tabs.addTab(QtWidgets.QWidget(), 'metadata')
self.__debug = dict()
if isinstance(QtPlot, QWidget):
self.qplot = QtPlot()
else:
self.qplot = QtPlot(remote=False)
if isinstance(self.qplot, QWidget):
self.plotwindow = self.qplot
else:
self.plotwindow = self.qplot.win
topLayout = QtWidgets.QHBoxLayout()
self.filterbutton = QtWidgets.QPushButton()
self.filterbutton.setText('Filter data')
self.filtertext = QtWidgets.QLineEdit()
self.outCombo = QtWidgets.QComboBox()
topLayout.addWidget(self.text)
topLayout.addWidget(self.filterbutton)
topLayout.addWidget(self.filtertext)
treesLayout = QtWidgets.QHBoxLayout()
treesLayout.addWidget(self.logtree)
treesLayout.addWidget(self.meta_tabs)
vertLayout = QtWidgets.QVBoxLayout()
vertLayout.addItem(topLayout)
vertLayout.addItem(treesLayout)
vertLayout.addWidget(self.plotwindow)
self.pptbutton = QtWidgets.QPushButton()
self.pptbutton.setText('Send data to powerpoint')
self.clipboardbutton = QtWidgets.QPushButton()
self.clipboardbutton.setText('Copy image to clipboard')
bLayout = QtWidgets.QHBoxLayout()
bLayout.addWidget(self.outCombo)
bLayout.addWidget(self.pptbutton)
bLayout.addWidget(self.clipboardbutton)
vertLayout.addItem(bLayout)
widget = QtWidgets.QWidget()
widget.setLayout(vertLayout)
self.setCentralWidget(widget)
self.setWindowTitle(window_title)
self.logtree.header().resizeSection(0, 280)
# disable edit
self.logtree.setEditTriggers(
QtWidgets.QAbstractItemView.NoEditTriggers)
self.set_data_directory(data_directory)
self.logtree.doubleClicked.connect(self.log_callback)
self.outCombo.currentIndexChanged.connect(self.combobox_callback)
self.filterbutton.clicked.connect(
lambda: self.update_logs(filter_str=self.filtertext.text()))
self.pptbutton.clicked.connect(self.ppt_callback)
self.clipboardbutton.clicked.connect(self.clipboard_callback)
menuBar = self.menuBar()
menuDict = {
'&Data': {
'&Reload Data': self.update_logs,
'&Preload all Info': self.load_info,
'&Quit': self.close
},
'&Folder': {
'&Select Dir1': lambda: self.select_directory(index=0),
'Select &Dir2': lambda: self.select_directory(index=1),
'&Toggle Dirs': self.toggle_data_directory
},
'&Help': {
'&Info': self.show_help
}
}
for (k, menu) in menuDict.items():
mb = menuBar.addMenu(k)
for (kk, action) in menu.items():
act = QtWidgets.QAction(kk, self)
mb.addAction(act)
act.triggered.connect(action)
if self.verbose >= 2:
print('created gui...')
# get logs from disk
self.update_logs()
self.datatag = None
self.logtree.setColumnHidden(2, True)
self.logtree.setColumnHidden(3, True)
self.show()
def set_data_directory(self, data_directory, index=0):
self.data_directories[index] = data_directory
self.data_directory = data_directory
self.disk_io = qcodes.DiskIO(data_directory)
logging.info('DataViewer: data directory %s' % data_directory)
self.text.setText('Log files at %s' % self.data_directory)
def show_help(self):
""" Show help dialog """
self.infotext = "Dataviewer for qcodes datasets"
QtWidgets.QMessageBox.information(self, 'qtt dataviwer control info',
self.infotext)
def toggle_data_directory(self):
index = (self.directory_index + 1) % len(self.data_directories)
self.directory_index = index
self.data_directory = self.data_directories[index]
self.disk_io = qcodes.DiskIO(self.data_directory)
logging.info('DataViewer: data directory %s' % self.data_directory)
self.text.setText('Log files at %s' % self.data_directory)
self.update_logs()
def ppt_callback(self):
if self.dataset is None:
print('no data selected')
return
qtt.utilities.tools.addPPT_dataset(self.dataset, customfig=self.qplot)
def clipboard_callback(self):
self.qplot.copyToClipboard()
@staticmethod
def get_data_info(metadata):
params = []
try:
if 'loop' in metadata.keys():
sv = metadata['loop']['sweep_values']
params.append(
'%s [%.2f to %.2f %s]' %
(sv['parameter']['label'], sv['values'][0]['first'],
sv['values'][0]['last'], sv['parameter']['unit']))
for act in metadata['loop']['actions']:
if 'sweep_values' in act.keys():
sv = act['sweep_values']
params.append(
'%s [%.2f - %.2f %s]' %
(sv['parameter']['label'],
sv['values'][0]['first'], sv['values'][0]['last'],
sv['parameter']['unit']))
infotxt = ' ,'.join(params)
infotxt = infotxt + ' | ' + ', '.join(
[('%s' % (v['label']))
for (k, v) in metadata['arrays'].items()
if not v['is_setpoint']])
elif 'scanjob' in metadata.keys():
sd = metadata['scanjob']['sweepdata']
params.append('%s [%.2f to %.2f]' %
(sd['param'], sd['start'], sd['end']))
if 'stepdata' in metadata['scanjob']:
sd = metadata['scanjob']['stepdata']
params.append('%s [%.2f to %.2f]' %
(sd['param'], sd['start'], sd['end']))
infotxt = ' ,'.join(params)
infotxt = infotxt + ' | ' + \
', '.join(metadata['scanjob']['minstrument'])
else:
infotxt = 'info about plot'
except BaseException:
infotxt = 'info about plot'
return infotxt
def load_info(self):
try:
for row in range(self._treemodel.rowCount()):
index = self._treemodel.index(row, 0)
i = 0
while (index.child(i, 0).data() is not None):
filename = index.child(i, 3).data()
loc = '\\'.join(filename.split('\\')[:-1])
tempdata = qcodes.DataSet(loc)
tempdata.read_metadata()
infotxt = DataViewer.get_data_info(tempdata.metadata)
self._treemodel.setData(index.child(i, 1), infotxt)
if 'comment' in tempdata.metadata.keys():
self._treemodel.setData(index.child(i, 4),
tempdata.metadata['comment'])
i = i + 1
except Exception as e:
print(e)
def select_directory(self, index=0):
d = QtWidgets.QFileDialog(caption='Select data directory')
d.setFileMode(QFileDialog.Directory)
if d.exec():
datadir = d.selectedFiles()[0]
self.set_data_directory(datadir, index)
print('update logs')
self.update_logs()
@staticmethod
def find_datafiles(datadir, extensions=None, show_progress=True):
""" Find all datasets in a directory with a given extension """
if extensions is None:
extensions = ['dat', 'hdf5']
dd = []
for e in extensions:
dd += qtt.pgeometry.findfilesR(datadir,
'.*%s' % e,
show_progress=show_progress)
datafiles = sorted(dd)
return datafiles
@staticmethod
def _filename2datetag(filename):
""" Parse a filename to a date tag and base filename """
if filename.endswith('.json'):
datetag = filename.split(os.sep)[-1].split('_')[0]
logtag = filename.split(os.sep)[-1][:-5]
else:
# other formats, assumed to be in normal form
datetag, logtag = filename.split(os.sep)[-3:-1]
return datetag, logtag
def update_logs(self, filter_str=None):
''' Update the list of measurements '''
model = self._treemodel
self.datafiles = self.find_datafiles(self.data_directory,
self.extensions)
dd = self.datafiles
if filter_str:
dd = [s for s in dd if filter_str in s]
if self.verbose:
print('DataViewer: found %d files' % (len(dd)))
model.clear()
model.setHorizontalHeaderLabels(
['Log', 'Arrays', 'location', 'filename', 'Comments'])
logs = dict()
for _, filename in enumerate(dd):
try:
datetag, logtag = self._filename2datetag(filename)
if datetag not in logs:
logs[datetag] = dict()
logs[datetag][logtag] = filename
except Exception:
pass
self.logs = logs
if self.verbose >= 2:
print('DataViewer: create gui elements')
for i, datetag in enumerate(sorted(logs.keys())[::-1]):
if self.verbose >= 2:
print('DataViewer: datetag %s ' % datetag)
parent1 = QtGui.QStandardItem(datetag)
for j, logtag in enumerate(sorted(logs[datetag])):
filename = logs[datetag][logtag]
child1 = QtGui.QStandardItem(logtag)
child2 = QtGui.QStandardItem('info about plot')
if self.verbose >= 2:
print('datetag %s, logtag %s' % (datetag, logtag))
child3 = QtGui.QStandardItem(os.path.join(datetag, logtag))
child4 = QtGui.QStandardItem(filename)
parent1.appendRow([child1, child2, child3, child4])
model.appendRow(parent1)
self.logtree.setColumnWidth(0, 240)
self.logtree.setColumnHidden(2, True)
self.logtree.setColumnHidden(3, True)
if self.verbose >= 2:
print('DataViewer: update_logs done')
def _create_meta_tree(self, meta_dict):
metatree = QtWidgets.QTreeView()
_metamodel = QtGui.QStandardItemModel()
metatree.setModel(_metamodel)
metatree.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
_metamodel.setHorizontalHeaderLabels(['metadata', 'value'])
try:
self.fill_item(_metamodel, meta_dict)
return metatree
except Exception as ex:
print(ex)
def update_meta_tabs(self):
''' Update metadata tree '''
meta = self.dataset.metadata
self.meta_tabs.clear()
if 'gates' in meta.keys():
self.meta_tabs.addTab(self._create_meta_tree(meta['gates']),
'gates')
elif meta.get('station', dict()).get('instruments',
dict()).get('gates',
None) is not None:
self.meta_tabs.addTab(
self._create_meta_tree(
meta['station']['instruments']['gates']), 'gates')
if meta.get('station', dict()).get('instruments', None) is not None:
if 'instruments' in meta['station'].keys():
self.meta_tabs.addTab(
self._create_meta_tree(meta['station']['instruments']),
'instruments')
self.meta_tabs.addTab(self._create_meta_tree(meta), 'metadata')
def fill_item(self, item, value):
''' recursive population of tree structure with a dict '''
def new_item(parent, text, val=None):
child = QtGui.QStandardItem(text)
self.fill_item(child, val)
parent.appendRow(child)
if value is None:
return
elif isinstance(value, dict):
for key, val in sorted(value.items()):
if type(val) in [str, float, int]:
child = [
QtGui.QStandardItem(str(key)),
QtGui.QStandardItem(str(val))
]
item.appendRow(child)
else:
new_item(item, str(key), val)
else:
new_item(item, str(value))
def get_plot_parameter(self):
''' Return parameter to be plotted '''
param_name = self.outCombo.currentText()
if param_name is not '':
return param_name
parameters = self.dataset.arrays.keys()
if self.default_parameter in parameters:
return self.default_parameter
return self.dataset.default_parameter_name()
def selected_data_file(self):
""" Return currently selected data file """
return self.datatag
def combobox_callback(self, index):
if not self._update_plot_:
return
param_name = self.get_plot_parameter()
if self.dataset is not None:
self.update_plot(param_name)
def log_callback(self, index):
""" Function called when. a log entry is selected """
logging.info('logCallback: index %s' % str(index))
self.__debug['last'] = index
pp = index.parent()
row = index.row()
tag = pp.child(row, 2).data()
filename = pp.child(row, 3).data()
self.filename = filename
self.datatag = tag
if tag is None:
return
if self.verbose >= 2:
print('DataViewer logCallback: tag %s, filename %s' %
(tag, filename))
try:
logging.debug('DataViewer: load tag %s' % tag)
data = DataViewer.load_data(filename, tag)
if not data:
raise ValueError('File invalid (%s) ...' % filename)
self.dataset = data
self.update_meta_tabs()
data_keys = data.arrays.keys()
infotxt = DataViewer.get_data_info(data.metadata)
q = pp.child(row, 1).model()
q.setData(pp.child(row, 1), infotxt)
if 'comment' in data.metadata.keys():
q.setData(pp.child(row, 2), data.metadata['comment'])
self.reset_combo_items(data, data_keys)
param_name = self.get_plot_parameter()
self.update_plot(param_name)
except Exception as e:
print('logCallback! error: %s' % str(e))
logging.exception(e)
return
def reset_combo_items(self, data, keys):
old_key = self.outCombo.currentText()
self._update_plot_ = False
self.outCombo.clear()
for key in keys:
if not getattr(data, key).is_setpoint:
self.outCombo.addItem(key)
if old_key in keys:
self.outCombo.setCurrentIndex(self.outCombo.findText(old_key))
self._update_plot_ = True
return
@staticmethod
def load_data(filename, tag):
if filename.endswith('.json'):
location = filename
else:
# qcodes datasets are found by filename, but should be loaded by directory...
location = os.path.split(filename)[0]
data = qtt.data.load_dataset(location)
return data
def update_plot(self, parameter):
self.qplot.clear()
if parameter is None:
logging.info('could not find parameter for DataSet')
return
else:
logging.info('using plotting parameter %s' % parameter)
self.qplot.add(getattr(self.dataset, parameter))
class data_viewer(QtWidgets.QMainWindow, Ui_dataviewer):
"""docstring for virt_gate_matrix_GUI"""
def __init__(self, datadir=None, window_title='Data browser'):
# set graphical user interface
instance_ready = True
self.app = QtCore.QCoreApplication.instance()
if self.app is None:
instance_ready = False
self.app = QtWidgets.QApplication([])
super(QtWidgets.QMainWindow, self).__init__()
self.app.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
self.setupUi(self)
if datadir is None:
datadir = DataSet.default_io.base_location
# set-up tree view for data
self._treemodel = QtGui.QStandardItemModel()
self.data_view.setModel(self._treemodel)
self.tabWidget.addTab(QtWidgets.QWidget(), 'metadata')
self.qplot = QtPlot(remote=False)
self.plotwindow = self.qplot.win
self.qplot.max_len = 10
self.horizontalLayout_4.addWidget(self.plotwindow)
# Fix some initializations in the window
self.splitter_2.setSizes([int(self.height() / 2)] * 2)
self.splitter.setSizes(
[int(self.width() / 3),
int(2 * self.width() / 3)])
# connect callbacks
self.data_view.doubleClicked.connect(self.logCallback)
self.actionReload_data.triggered.connect(self.updateLogs)
self.actionPreload_all_info.triggered.connect(self.loadInfo)
self.actionAdd_directory.triggered.connect(self.selectDirectory)
self.filter_button.clicked.connect(
lambda: self.updateLogs(filter_str=self.filter_input.text()))
self.send_ppt.clicked.connect(self.pptCallback)
self.copy_im.clicked.connect(self.clipboardCallback)
self.split_data.clicked.connect(self.split_dataset)
# initialize defaults
self.extensions = ['dat', 'hdf5']
self.dataset = None
self.datatag = None
self.datadirlist = []
self.datadirindex = 0
self.color_list = [
pg.mkColor(cl) for cl in qcodes.plots.pyqtgraph.color_cycle
]
self.current_params = []
self.subpl_ind = dict()
self.splitted = False
# add default directory
self.addDirectory(datadir)
self.updateLogs()
# Launch app
self.show()
if instance_ready == False:
self.app.exec()
def find_datafiles(self,
datadir,
extensions=['dat', 'hdf5'],
show_progress=True):
""" Find all datasets in a directory with a given extension """
dd = []
for e in extensions:
dd += self.findfiles(datadir, e)
dd.sort()
datafiles = sorted(dd)
return datafiles
def loadInfo(self):
logging.debug('loading info')
try:
for row in range(self._treemodel.rowCount()):
index = self._treemodel.index(row, 0)
i = 0
while (index.child(i, 0).data() is not None):
filename = index.child(i, 3).data()
loc = os.path.dirname(filename)
tempdata = qcodes.DataSet(loc)
tempdata.read_metadata()
infotxt = self.getArrayStr(tempdata.metadata)
self._treemodel.setData(index.child(i, 1), infotxt)
i = i + 1
except Exception as e:
logging.warning(e)
def setDatadir(self, newindex):
logging.info(f'Setting datadir with index: {newindex}')
oldindex = self.datadirindex
self.datadirindex = newindex
datadir = self.datadirlist[newindex]
self.io = DiskIO(datadir)
logging.info('DataViewer: data directory %s' % datadir)
self.logfile.setText('Log files at %s' % datadir)
self.menuFolder.actions()[oldindex + 1].setText(
self.menuFolder.actions()[oldindex + 1].text()[2:])
self.menuFolder.actions()[newindex + 1].setText(
'>>' + self.menuFolder.actions()[newindex + 1].text())
self.updateLogs()
def selectDirectory(self):
from qtpy.QtWidgets import QFileDialog
d = QtWidgets.QFileDialog(caption='Select data directory')
d.setFileMode(QFileDialog.Directory)
if d.exec():
datadir = d.selectedFiles()[0]
self.addDirectory(datadir)
def addDirectory(self, datadir):
newindex = len(self.datadirlist)
self.datadirlist.append(datadir)
if len(self.datadirlist) == 1:
datadir = '>>' + datadir
new_act = QtWidgets.QAction(datadir, self)
new_act.triggered.connect(partial(self.setDatadir, newindex))
self.menuFolder.addAction(new_act)
self.setDatadir(newindex)
def updateLogs(self, filter_str=None):
''' Update the list of measurements '''
logging.info('updating logs')
model = self._treemodel
self.datafiles = self.find_datafiles(
self.datadirlist[self.datadirindex], self.extensions)
dd = self.datafiles
if filter_str:
dd = [s for s in dd if filter_str in s]
logging.info(f'DataViewer: found {len(dd)} files')
model.clear()
model.setHorizontalHeaderLabels(
['Log', 'Arrays', 'location', 'filename'])
logs = dict()
for i, d in enumerate(dd):
try:
datetag, logtag = d.split(os.sep)[-3:-1]
if datetag not in logs:
logs[datetag] = dict()
logs[datetag][logtag] = d
except Exception as e:
print(e)
pass
self.logs = logs
logging.debug('DataViewer: create gui elements')
for i, datetag in enumerate(sorted(logs.keys())[::-1]):
logging.debug(f'DataViewer: datetag {datetag}')
parent1 = QtGui.QStandardItem(datetag)
for j, logtag in enumerate(sorted(logs[datetag])):
filename = logs[datetag][logtag]
child1 = QtGui.QStandardItem(logtag)
child2 = QtGui.QStandardItem('info about plot')
logging.debug(f'datetag: {datetag}, logtag: {logtag}')
child3 = QtGui.QStandardItem(os.path.join(datetag, logtag))
child4 = QtGui.QStandardItem(filename)
parent1.appendRow([child1, child2, child3, child4])
model.appendRow(parent1)
self.data_view.setColumnWidth(0, 240)
self.data_view.setColumnHidden(2, True)
self.data_view.setColumnHidden(3, True)
logging.debug('DataViewer: updateLogs done')
def logCallback(self, index):
""" Function called when. a log entry is selected """
logging.info('logCallback: index %s' % str(index))
oldtab_index = self.tabWidget.currentIndex()
pp = index.parent()
row = index.row()
tag = pp.child(row, 2).data()
filename = pp.child(row, 3).data()
self.filename = filename
self.datatag = tag
if tag is None:
return
logging.debug(
f'DataViewer logCallback: tag {tag}, filename {filename}')
try:
logging.debug('DataViewer: load tag %s' % tag)
data = self.loadData(filename, tag)
if not data:
raise ValueError('File invalid (%s) ...' % filename)
self.dataset = data
self.updateMetaTabs()
try:
self.tabWidget.setCurrentIndex(oldtab_index)
except:
pass
data_keys = data.arrays.keys()
infotxt = self.getArrayStr(data.metadata)
q = pp.child(row, 1).model()
q.setData(pp.child(row, 1), infotxt)
self.resetComboItems(data, data_keys)
except Exception as e:
print('logCallback! error: %s' % str(e))
logging.exception(e)
def resetComboItems(self, data, keys):
# Clearing old stuff
self.clearLayout(self.data_select_lay)
self.qplot.clear()
self.boxes = dict()
self.box_labels = dict()
self.param_keys = list()
to_plot = list()
# Loop through keys and add graphics items
for key in keys:
if not getattr(data, key).is_setpoint:
box = QtWidgets.QCheckBox()
box.clicked.connect(self.checkbox_callback)
box.setText(key)
label = QtWidgets.QLabel()
self.data_select_lay.addRow(box, label)
self.boxes[key] = box
self.box_labels[key] = label
self.param_keys.append(key)
if key in self.subpl_ind.keys():
self.boxes[key].setChecked(True)
to_plot.append(key)
self.data_select_lay.setLabelAlignment(QtCore.Qt.AlignLeft)
# If no old parameters can be plotted, defined first one
if not to_plot:
def_key = list(self.boxes.values())[0].text()
to_plot.append(self.boxes[def_key].text())
self.boxes[def_key].setChecked(True)
# Update the parameter plots
self.subpl_ind = dict()
self.current_params = list()
self.updatePlots(to_plot)
if self.splitted:
self.split_dataset()
def clearPlots(self):
self.qplot.clear()
self.current_params = list(
set(self.current_params) - set(self.subpl_ind.keys()))
self.subpl_ind = dict()
def clearLayout(self, layout):
if layout is not None:
while layout.count():
item = layout.takeAt(0)
widget = item.widget()
if widget is not None:
widget.deleteLater()
else:
self.clearLayout(item.layout())
def checkbox_callback(self, state):
if self.splitted:
self.clearPlots()
self.splitted = False
to_plot = []
for param in self.param_keys:
box = self.boxes[param]
if box.isChecked():
to_plot.append(box.text())
self.updatePlots(to_plot)
def updatePlots(self, param_names):
for param_name in set(param_names + self.current_params):
param = getattr(self.dataset, param_name)
if param_name not in param_names:
self.current_params.remove(param_name)
if param.shape == (1, ):
self.removeValue(param_name)
elif len(param.shape) < 3:
self.removePlot(param_name)
elif param_name not in self.current_params:
self.current_params.append(param_name)
if param.shape == (1, ):
self.addValue(param_name)
elif len(param.shape) < 3:
self.addPlot(param_name)
def addPlot(self, plot):
logging.info(f'adding param {plot}')
self.subpl_ind[plot] = len(self.subpl_ind)
self.qplot.add(getattr(self.dataset, plot),
subplot=len(self.subpl_ind),
color=self.color_list[0])
def removePlot(self, plot):
logging.info(f'removing param {plot}')
# Deleting graphics items
plot_index = self.subpl_ind[plot]
subplot = self.qplot.subplots[plot_index]
subplot.clear()
self.qplot.win.removeItem(subplot)
subplot.deleteLater()
try:
hist = self.qplot.traces[plot_index]['plot_object']['hist']
self.qplot.win.removeItem(hist)
hist.deleteLater()
except:
pass
# Own bookkeeping
self.subpl_ind.pop(plot)
# Removing from qcodes qplot (does not have proper function for this)
self.qplot.traces.pop(plot_index)
self.qplot.subplots.remove(subplot)
for (key, val) in self.subpl_ind.items():
if val > plot_index:
self.subpl_ind[key] = val - 1
def addValue(self, plot):
val = getattr(self.dataset, plot).ndarray[0]
self.box_labels[plot].setText(str(val))
def removeValue(self, plot):
self.box_labels[plot].setText('')
def loadData(self, filename, tag):
location = os.path.split(filename)[0]
data = qcodes.data.data_set.load_data(location)
return data
def _create_meta_tree(self, meta_dict):
metatree = QtWidgets.QTreeView()
_metamodel = QtGui.QStandardItemModel()
metatree.setModel(_metamodel)
metatree.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
_metamodel.setHorizontalHeaderLabels(['metadata', 'value'])
try:
self.fill_item(_metamodel, meta_dict)
return metatree
except Exception as ex:
print(ex)
def fill_item(self, item, value):
''' recursive population of tree structure with a dict '''
def new_item(parent, text, val=None):
child = QtGui.QStandardItem(text)
self.fill_item(child, val)
parent.appendRow(child)
if value is None:
return
elif isinstance(value, dict):
for key, val in sorted(value.items()):
if type(val) in [
str, float, int
] or (type(val) is list
and not any(isinstance(el, list) for el in val)):
child = [
QtGui.QStandardItem(str(key)),
QtGui.QStandardItem(str(val))
]
item.appendRow(child)
else:
new_item(item, str(key), val)
else:
new_item(item, str(value))
def parse_gates(self, gates_obj):
gate_dict = dict()
for (gate, val) in gates_obj['parameters'].items():
if gate != 'IDN':
gate_dict[gate] = val['value']
return gate_dict
def updateMetaTabs(self):
''' Update metadata tree '''
meta = self.dataset.metadata
self.tabWidget.clear()
try:
gate_tree = self.parse_gates(
meta['station']['instruments']['gates'])
self.tabWidget.addTab(self._create_meta_tree(gate_tree), 'gates')
except:
pass
self.tabWidget.addTab(self._create_meta_tree(meta), 'metadata')
if 'pc0' in meta.keys():
self.pulse_plot = pg.PlotWidget()
self.pulse_plot.addLegend()
try:
baseband_freqs = meta['LOs']
except:
pass
end_time = 0
for name, pdict in meta['pc0'].items():
if 'baseband' in name:
end_time = max([end_time] +
[pulse['stop'] for pulse in pdict.values()])
for (j, (name, pdict)) in enumerate(meta['pc0'].items()):
legend_name = name.replace('_baseband',
'').replace('_pulses', '')
x_plot = list()
y_plot = list()
if 'baseband' in name:
timepoints = set([
x[key] for x in meta['pc0'][name].values()
for key in ['start', 'stop']
])
timepoints.add(end_time)
for tp in sorted(timepoints):
point1 = 0
point2 = 0
for (seg_name, seg_dict) in meta['pc0'][name].items():
if seg_dict['start'] < tp and seg_dict[
'stop'] > tp: # active segement
point1 += tp / (
seg_dict['stop'] - seg_dict['start']
) * (seg_dict['v_stop'] - seg_dict['v_stop'])
point2 += tp / (
seg_dict['stop'] - seg_dict['start']
) * (seg_dict['v_stop'] - seg_dict['v_stop'])
elif seg_dict['start'] == tp:
point2 += seg_dict['v_start']
elif seg_dict['stop'] == tp:
point1 += seg_dict['v_stop']
x_plot += [tp, tp]
y_plot += [point1, point2]
elif 'pulses' in name:
try:
baseband = baseband_freqs[name.replace('_pulses', '')]
except:
logging.warning(
'No baseband frequency found, assuming 0')
baseband = 0
x = list()
y = list()
for (seg_name, seg_dict) in meta['pc0'][name].items():
x_ar = np.arange(seg_dict['start'], seg_dict['stop'])
xx_ar = x_ar - seg_dict['start']
f_rl = (seg_dict['frequency'] - baseband) / 1e9
y_ar = np.sin(
2 * np.pi * f_rl * xx_ar +
seg_dict['start_phase']) * seg_dict['amplitude']
x = x + list(x_ar) + [seg_dict['stop']]
y = y + list(y_ar) + [0]
x_plot = x
y_plot = y
self.pulse_plot.setLabel('left', 'Voltage', 'mV')
self.pulse_plot.setLabel('bottom', 'Time', 'ns')
self.pulse_plot.plot(x_plot,
y_plot,
pen=self.color_list[j %
len(self.color_list)],
name=legend_name)
self.tabWidget.addTab(self.pulse_plot, 'AWG Pulses')
def pptCallback(self):
if self.dataset is None:
print('no data selected')
return
addPPT_dataset(self.dataset, customfig=self.qplot)
def clipboardCallback(self):
self.qplot.copyToClipboard()
def getArrayStr(self, metadata):
params = []
infotxt = ''
try:
if 'loop' in metadata.keys():
sv = metadata['loop']['sweep_values']
params.append(
'%s [%.2f to %.2f %s]' %
(sv['parameter']['label'], sv['values'][0]['first'],
sv['values'][0]['last'], sv['parameter']['unit']))
for act in metadata['loop']['actions']:
if 'sweep_values' in act.keys():
sv = act['sweep_values']
params.append(
'%s [%.2f - %.2f %s]' %
(sv['parameter']['label'],
sv['values'][0]['first'], sv['values'][0]['last'],
sv['parameter']['unit']))
infotxt = ' ,'.join(params) + ' | '
infotxt = infotxt + ', '.join([('%s' % (v['label'])) for (
k, v) in metadata['arrays'].items() if not v['is_setpoint']])
except BaseException:
infotxt = 'info about plot'
return infotxt
def split_dataset(self):
to_split = []
for bp in self.subpl_ind.keys():
plot_shape = getattr(self.dataset, bp).shape
if len(plot_shape) == 2:
to_split.append(bp)
self.clearPlots()
for (i, zname) in enumerate(to_split):
tmp = getattr(self.dataset, zname)
yname = tmp.set_arrays[0].array_id
xname = tmp.set_arrays[1].array_id
try:
ii = np.where(
np.isnan(self.dataset.arrays[zname][:, -1]) == True)[0][0]
except:
ii = len(self.dataset.arrays[yname][:])
even = list(range(0, ii, 2))
odd = list(range(1, ii, 2))
self.qplot.add(self.dataset.arrays[xname][0],
self.dataset.arrays[yname][odd],
self.dataset.arrays[zname][odd],
ylabel=self.dataset.arrays[yname].label,
xlabel=self.dataset.arrays[xname].label,
zlabel=self.dataset.arrays[zname].label + '_odd',
yunit=self.dataset.arrays[yname].unit,
zunit=self.dataset.arrays[zname].unit,
subplot=2 * i + 1)
self.qplot.add(self.dataset.arrays[xname][0],
self.dataset.arrays[yname][even],
self.dataset.arrays[zname][even],
ylabel=self.dataset.arrays[yname].label,
xlabel=self.dataset.arrays[xname].label,
zlabel=self.dataset.arrays[zname].label + '_even',
yunit=self.dataset.arrays[yname].unit,
zunit=self.dataset.arrays[zname].unit,
subplot=2 * i + 2)
self.splitted = True
def findfiles(self, path, extension):
filelist = list()
for dirname, dirnames, filenames in os.walk(path):
# print path to all filenames.
for filename in filenames:
fullfile = os.path.join(dirname, filename)
if fullfile.split('.')[-1] == extension:
filelist.append(fullfile)
return filelist
class DataViewer(QtWidgets.QWidget):
""" Simple data browser for Qcodes datasets """
def __init__(self,
datadir=None,
window_title='Data browser',
default_parameter='amplitude',
extensions=['dat', 'hdf5'],
verbose=1):
""" Simple viewer for Qcodes data
Args:
datadir (string or None): directory to scan for experiments
default_parameter (string): name of default parameter to plot
"""
super(DataViewer, self).__init__()
self.verbose = verbose
self.default_parameter = default_parameter
if datadir is None:
datadir = qcodes.DataSet.default_io.base_location
self.extensions = extensions
# setup GUI
self.dataset = None
self.text = QtWidgets.QLabel()
# logtree
self.logtree = QtWidgets.QTreeView()
self.logtree.setSelectionBehavior(
QtWidgets.QAbstractItemView.SelectRows)
self._treemodel = QtGui.QStandardItemModel()
self.logtree.setModel(self._treemodel)
# metatabs
self.meta_tabs = QtWidgets.QTabWidget()
self.meta_tabs.addTab(QtWidgets.QWidget(), 'metadata')
self.__debug = dict()
if isinstance(QtPlot, QWidget):
self.qplot = QtPlot() # remote=False, interval=0)
else:
self.qplot = QtPlot(remote=False) # remote=False, interval=0)
if isinstance(self.qplot, QWidget):
self.plotwindow = self.qplot
else:
self.plotwindow = self.qplot.win
topLayout = QtWidgets.QHBoxLayout()
self.select_dir = QtWidgets.QPushButton()
self.select_dir.setText('Select directory')
self.reloadbutton = QtWidgets.QPushButton()
self.reloadbutton.setText('Reload data')
self.loadinfobutton = QtWidgets.QPushButton()
self.loadinfobutton.setText('Preload info')
self.outCombo = QtWidgets.QComboBox()
topLayout.addWidget(self.text)
topLayout.addWidget(self.select_dir)
topLayout.addWidget(self.reloadbutton)
topLayout.addWidget(self.loadinfobutton)
treesLayout = QtWidgets.QHBoxLayout()
treesLayout.addWidget(self.logtree)
treesLayout.addWidget(self.meta_tabs)
vertLayout = QtWidgets.QVBoxLayout()
vertLayout.addItem(topLayout)
vertLayout.addItem(treesLayout)
vertLayout.addWidget(self.plotwindow)
self.pptbutton = QtWidgets.QPushButton()
self.pptbutton.setText('Send data to powerpoint')
self.clipboardbutton = QtWidgets.QPushButton()
self.clipboardbutton.setText('Copy image to clipboard')
bLayout = QtWidgets.QHBoxLayout()
bLayout.addWidget(self.outCombo)
bLayout.addWidget(self.pptbutton)
bLayout.addWidget(self.clipboardbutton)
vertLayout.addItem(bLayout)
self.setLayout(vertLayout)
self.setWindowTitle(window_title)
self.logtree.header().resizeSection(0, 280)
# disable edit
self.logtree.setEditTriggers(
QtWidgets.QAbstractItemView.NoEditTriggers)
self.setDatadir(datadir)
self.logtree.doubleClicked.connect(self.logCallback)
self.outCombo.currentIndexChanged.connect(self.comboCallback)
self.select_dir.clicked.connect(self.selectDirectory)
self.reloadbutton.clicked.connect(self.updateLogs)
self.loadinfobutton.clicked.connect(self.loadInfo)
self.pptbutton.clicked.connect(self.pptCallback)
self.clipboardbutton.clicked.connect(self.clipboardCallback)
if self.verbose >= 2:
print('created gui...')
# get logs from disk
self.updateLogs()
self.datatag = None
self.logtree.setColumnHidden(2, True)
self.logtree.setColumnHidden(3, True)
self.show()
def setDatadir(self, datadir):
self.datadir = datadir
self.io = qcodes.DiskIO(datadir)
logging.info('DataViewer: data directory %s' % datadir)
self.text.setText('Log files at %s' % self.datadir)
def pptCallback(self):
if self.dataset is None:
print('no data selected')
return
qtt.utilities.tools.addPPT_dataset(self.dataset, customfig=self.qplot)
def clipboardCallback(self):
self.qplot.copyToClipboard()
def getArrayStr(self, metadata):
params = []
try:
if 'loop' in metadata.keys():
sv = metadata['loop']['sweep_values']
params.append(
'%s [%.2f to %.2f %s]' %
(sv['parameter']['label'], sv['values'][0]['first'],
sv['values'][0]['last'], sv['parameter']['unit']))
for act in metadata['loop']['actions']:
if 'sweep_values' in act.keys():
sv = act['sweep_values']
params.append(
'%s [%.2f - %.2f %s]' %
(sv['parameter']['label'],
sv['values'][0]['first'], sv['values'][0]['last'],
sv['parameter']['unit']))
infotxt = ' ,'.join(params)
infotxt = infotxt + ' | ' + ', '.join(
[('%s' % (v['label']))
for (k, v) in metadata['arrays'].items()
if not v['is_setpoint']])
elif 'scanjob' in metadata.keys():
sd = metadata['scanjob']['sweepdata']
params.append('%s [%.2f to %.2f]' %
(sd['param'], sd['start'], sd['end']))
if 'stepdata' in metadata['scanjob']:
sd = metadata['scanjob']['stepdata']
params.append('%s [%.2f to %.2f]' %
(sd['param'], sd['start'], sd['end']))
infotxt = ' ,'.join(params)
infotxt = infotxt + ' | ' + \
', '.join(metadata['scanjob']['minstrument'])
else:
infotxt = 'info about plot'
except BaseException:
infotxt = 'info about plot'
return infotxt
def loadInfo(self):
try:
for row in range(self._treemodel.rowCount()):
index = self._treemodel.index(row, 0)
i = 0
while (index.child(i, 0).data() is not None):
filename = index.child(i, 3).data()
loc = '\\'.join(filename.split('\\')[:-1])
tempdata = qcodes.DataSet(loc)
tempdata.read_metadata()
infotxt = self.getArrayStr(tempdata.metadata)
self._treemodel.setData(index.child(i, 1), infotxt)
if 'comment' in tempdata.metadata.keys():
self._treemodel.setData(index.child(i, 4),
tempdata.metadata['comment'])
i = i + 1
except Exception as e:
print(e)
def selectDirectory(self):
from qtpy.QtWidgets import QFileDialog
d = QtWidgets.QFileDialog(caption='Select data directory')
d.setFileMode(QFileDialog.Directory)
if d.exec():
datadir = d.selectedFiles()[0]
self.setDatadir(datadir)
print('update logs')
self.updateLogs()
@staticmethod
def find_datafiles(datadir,
extensions=['dat', 'hdf5'],
show_progress=True):
""" Find all datasets in a directory with a given extension """
dd = []
for e in extensions:
dd += qtt.pgeometry.findfilesR(datadir,
'.*%s' % e,
show_progress=show_progress)
datafiles = sorted(dd)
#datafiles = [os.path.join(datadir, d) for d in datafiles]
return datafiles
def updateLogs(self):
''' Update the list of measurements '''
model = self._treemodel
self.datafiles = self.find_datafiles(self.datadir, self.extensions)
dd = self.datafiles
if self.verbose:
print('DataViewer: found %d files' % (len(dd)))
model.clear()
model.setHorizontalHeaderLabels(
['Log', 'Arrays', 'location', 'filename', 'Comments'])
logs = dict()
for i, d in enumerate(dd):
try:
datetag, logtag = d.split(os.sep)[-3:-1]
if datetag not in logs:
logs[datetag] = dict()
logs[datetag][logtag] = d
except Exception:
pass
self.logs = logs
if self.verbose >= 2:
print('DataViewer: create gui elements')
for i, datetag in enumerate(sorted(logs.keys())[::-1]):
if self.verbose >= 2:
print('DataViewer: datetag %s ' % datetag)
parent1 = QtGui.QStandardItem(datetag)
for j, logtag in enumerate(sorted(logs[datetag])):
filename = logs[datetag][logtag]
child1 = QtGui.QStandardItem(logtag)
child2 = QtGui.QStandardItem('info about plot')
if self.verbose >= 2:
print('datetag %s, logtag %s' % (datetag, logtag))
child3 = QtGui.QStandardItem(os.path.join(datetag, logtag))
child4 = QtGui.QStandardItem(filename)
parent1.appendRow([child1, child2, child3, child4])
model.appendRow(parent1)
# span container columns
# self.logtree.setFirstColumnSpanned(
# i, self.logtree.rootIndex(), True)
self.logtree.setColumnWidth(0, 240)
self.logtree.setColumnHidden(2, True)
self.logtree.setColumnHidden(3, True)
if self.verbose >= 2:
print('DataViewer: updateLogs done')
def _create_meta_tree(self, meta_dict):
metatree = QtWidgets.QTreeView()
_metamodel = QtGui.QStandardItemModel()
metatree.setModel(_metamodel)
metatree.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
_metamodel.setHorizontalHeaderLabels(['metadata', 'value'])
try:
self.fill_item(_metamodel, meta_dict)
return metatree
except Exception as ex:
print(ex)
def updateMetaTabs(self):
''' Update metadata tree '''
meta = self.dataset.metadata
self.meta_tabs.clear()
if 'gates' in meta.keys():
self.meta_tabs.addTab(self._create_meta_tree(meta['gates']),
'gates')
elif meta.get('station', dict()).get('instruments',
dict()).get('gates',
None) is not None:
self.meta_tabs.addTab(
self._create_meta_tree(
meta['station']['instruments']['gates']), 'gates')
if meta.get('station', dict()).get('instruments', None) is not None:
if 'instruments' in meta['station'].keys():
self.meta_tabs.addTab(
self._create_meta_tree(meta['station']['instruments']),
'instruments')
self.meta_tabs.addTab(self._create_meta_tree(meta), 'metadata')
def fill_item(self, item, value):
''' recursive population of tree structure with a dict '''
def new_item(parent, text, val=None):
child = QtGui.QStandardItem(text)
self.fill_item(child, val)
parent.appendRow(child)
if value is None:
return
elif isinstance(value, dict):
for key, val in sorted(value.items()):
if type(val) in [str, float, int]:
child = [
QtGui.QStandardItem(str(key)),
QtGui.QStandardItem(str(val))
]
item.appendRow(child)
else:
new_item(item, str(key), val)
else:
new_item(item, str(value))
def getPlotParameter(self):
''' Return parameter to be plotted '''
param_name = self.outCombo.currentText()
if param_name is not '':
return param_name
parameters = self.dataset.arrays.keys()
if self.default_parameter in parameters:
return self.default_parameter
return self.dataset.default_parameter_name()
def selectedDatafile(self):
""" Return currently selected data file """
return self.datatag
def comboCallback(self, index):
if not self._update_plot_:
return
param_name = self.getPlotParameter()
if self.dataset is not None:
self.updatePlot(param_name)
def logCallback(self, index):
""" Function called when. a log entry is selected """
logging.info('logCallback: index %s' % str(index))
self.__debug['last'] = index
pp = index.parent()
row = index.row()
tag = pp.child(row, 2).data()
filename = pp.child(row, 3).data()
self.filename = filename
self.datatag = tag
if tag is None:
return
if self.verbose >= 2:
print('DataViewer logCallback: tag %s, filename %s' %
(tag, filename))
try:
logging.debug('DataViewer: load tag %s' % tag)
data = self.loadData(filename, tag)
if not data:
raise ValueError('File invalid (%s) ...' % filename)
self.dataset = data
self.updateMetaTabs()
data_keys = data.arrays.keys()
infotxt = self.getArrayStr(data.metadata)
q = pp.child(row, 1).model()
q.setData(pp.child(row, 1), infotxt)
if 'comment' in data.metadata.keys():
q.setData(pp.child(row, 2), data.metadata['comment'])
self.resetComboItems(data, data_keys)
param_name = self.getPlotParameter()
self.updatePlot(param_name)
except Exception as e:
print('logCallback! error: %s' % str(e))
logging.exception(e)
return
def resetComboItems(self, data, keys):
old_key = self.outCombo.currentText()
self._update_plot_ = False
self.outCombo.clear()
for key in keys:
if not getattr(data, key).is_setpoint:
self.outCombo.addItem(key)
if old_key in keys:
self.outCombo.setCurrentIndex(self.outCombo.findText(old_key))
self._update_plot_ = True
return
def loadData(self, filename, tag):
location = os.path.split(filename)[0]
data = qtt.data.load_dataset(location)
return data
def updatePlot(self, parameter):
self.qplot.clear()
if parameter is None:
logging.info('could not find parameter for DataSet')
return
else:
logging.info('using plotting parameter %s' % parameter)
self.qplot.add(getattr(self.dataset, parameter))