associated with a :class:`~silx.gui.plot.PlotWidget`.
"""
__authors__ = ["P. Knobel"]
__license__ = "MIT"
__date__ = "28/06/2017"
from silx.gui import qt
from silx.gui.plot.PlotWidget import PlotWidget
from silx.gui.plot.ItemsSelectionDialog import ItemsSelectionDialog
app = qt.QApplication([])
pw = PlotWidget()
pw.addCurve([0, 1, 2], [3, 2, 1], "A curve")
pw.addScatter([0, 1, 2.5], [3, 2.5, 0.9], [8, 9, 72], "A scatter")
pw.addHistogram([0, 1, 2.5], [0, 1, 2, 3], "A histogram")
pw.addImage([[0, 1, 2], [3, 2, 1]], "An image")
pw.show()
isd = ItemsSelectionDialog(plot=pw)
isd.setItemsSelectionMode(qt.QTableWidget.ExtendedSelection)
result = isd.exec_()
if result:
for item in isd.getSelectedItems():
print(item.getName(), type(item))
else:
print("Selection cancelled")
app.exec_()
def _getFitWindow(self):
self.xlabel = self.plot.getXAxis().getLabel()
self.ylabel = self.plot.getYAxis().getLabel()
self.xmin, self.xmax = self.plot.getXAxis().getLimits()
histo = _getUniqueHistogram(self.plot)
curve = _getUniqueCurve(self.plot)
if histo is None and curve is None:
# ambiguous case, we need to ask which plot item to fit
isd = ItemsSelectionDialog(parent=self.plot, plot=self.plot)
isd.setWindowTitle("Select item to be fitted")
isd.setItemsSelectionMode(qt.QTableWidget.SingleSelection)
isd.setAvailableKinds(["curve", "histogram"])
isd.selectAllKinds()
result = isd.exec_()
if result and len(isd.getSelectedItems()) == 1:
item = isd.getSelectedItems()[0]
else:
return
elif histo is not None:
# presence of a unique histo and no curve
item = histo
elif curve is not None:
# presence of a unique or active curve
item = curve
self.legend = item.getLegend()
if isinstance(item, Histogram):
bin_edges = item.getBinEdgesData(copy=False)
# take the middle coordinate between adjacent bin edges
self.x = (bin_edges[1:] + bin_edges[:-1]) / 2
self.y = item.getValueData(copy=False)
# else take the active curve, or else the unique curve
elif isinstance(item, Curve):
self.x = item.getXData(copy=False)
self.y = item.getYData(copy=False)
# open a window with a FitWidget
if self.fit_window is None:
self.fit_window = qt.QMainWindow()
# import done here rather than at module level to avoid circular import
# FitWidget -> BackgroundWidget -> PlotWindow -> actions -> fit -> FitWidget
from ...fit.FitWidget import FitWidget
self.fit_widget = FitWidget(parent=self.fit_window)
self.fit_window.setCentralWidget(self.fit_widget)
self.fit_widget.guibuttons.DismissButton.clicked.connect(
self.fit_window.close)
self.fit_widget.sigFitWidgetSignal.connect(self.handle_signal)
self.fit_window.show()
else:
if self.fit_window.isHidden():
self.fit_window.show()
self.fit_widget.show()
self.fit_window.raise_()
self.fit_widget.setData(self.x, self.y, xmin=self.xmin, xmax=self.xmax)
self.fit_window.setWindowTitle("Fitting " + self.legend +
" on x range %f-%f" %
(self.xmin, self.xmax))
def _initFit(self, window):
plot = self.plot
self.xlabel = plot.getXAxis().getLabel()
self.ylabel = plot.getYAxis().getLabel()
self.xmin, self.xmax = plot.getXAxis().getLimits()
histo = _getUniqueHistogram(self.plot)
curve = _getUniqueCurve(self.plot)
if histo is None and curve is None:
# ambiguous case, we need to ask which plot item to fit
isd = ItemsSelectionDialog(parent=plot, plot=self.plot)
isd.setWindowTitle("Select item to be fitted")
isd.setItemsSelectionMode(qt.QTableWidget.SingleSelection)
isd.setAvailableKinds(["curve", "histogram"])
isd.selectAllKinds()
result = isd.exec_()
if result and len(isd.getSelectedItems()) == 1:
item = isd.getSelectedItems()[0]
else:
return
elif histo is not None:
# presence of a unique histo and no curve
item = histo
elif curve is not None:
# presence of a unique or active curve
item = curve
self.legend = item.getLegend()
if isinstance(item, Histogram):
bin_edges = item.getBinEdgesData(copy=False)
# take the middle coordinate between adjacent bin edges
self.x = (bin_edges[1:] + bin_edges[:-1]) / 2
self.y = item.getValueData(copy=False)
# else take the active curve, or else the unique curve
elif isinstance(item, Curve):
self.x = item.getXData(copy=False)
self.y = item.getYData(copy=False)
window.setData(self.x, self.y,
xmin=self.xmin, xmax=self.xmax)
window.setWindowTitle(
"Fitting " + self.legend +
" on x range %f-%f" % (self.xmin, self.xmax))
def _initFit(self):
plot = self.plot
if plot is None:
_logger.error("No associated PlotWidget")
return
item = _getUniqueCurveOrHistogram(plot)
if item is None:
# ambiguous case, we need to ask which plot item to fit
isd = ItemsSelectionDialog(parent=plot, plot=plot)
isd.setWindowTitle("Select item to be fitted")
isd.setItemsSelectionMode(qt.QTableWidget.SingleSelection)
isd.setAvailableKinds(["curve", "histogram"])
isd.selectAllKinds()
if not isd.exec_(): # Cancel
self._getToolWindow().setVisible(False)
else:
selectedItems = isd.getSelectedItems()
item = selectedItems[0] if len(selectedItems) == 1 else None
self._setXRange(*plot.getXAxis().getLimits())
self._setFittedItem(item)
associated with a :class:`~silx.gui.plot.PlotWidget`.
"""
__authors__ = ["P. Knobel"]
__license__ = "MIT"
__date__ = "28/06/2017"
from silx.gui import qt
from silx.gui.plot.PlotWidget import PlotWidget
from silx.gui.plot.ItemsSelectionDialog import ItemsSelectionDialog
app = qt.QApplication([])
pw = PlotWidget()
pw.addCurve([0, 1, 2], [3, 2, 1], "A curve")
pw.addScatter([0, 1, 2.5], [3, 2.5, 0.9], [8, 9, 72], "A scatter")
pw.addHistogram([0, 1, 2.5], [0, 1, 2, 3], "A histogram")
pw.addImage([[0, 1, 2], [3, 2, 1]], "An image")
pw.show()
isd = ItemsSelectionDialog(plot=pw)
isd.setItemsSelectionMode(qt.QTableWidget.ExtendedSelection)
result = isd.exec_()
if result:
for item in isd.getSelectedItems():
print(item.getLegend(), type(item))
else:
print("Selection cancelled")
app.exec_()
def _getFitWindow(self):
self.xlabel = self.plot.getXAxis().getLabel()
self.ylabel = self.plot.getYAxis().getLabel()
self.xmin, self.xmax = self.plot.getXAxis().getLimits()
histo = _getUniqueHistogram(self.plot)
curve = _getUniqueCurve(self.plot)
if histo is None and curve is None:
# ambiguous case, we need to ask which plot item to fit
isd = ItemsSelectionDialog(parent=self.plot, plot=self.plot)
isd.setWindowTitle("Select item to be fitted")
isd.setItemsSelectionMode(qt.QTableWidget.SingleSelection)
isd.setAvailableKinds(["curve", "histogram"])
isd.selectAllKinds()
result = isd.exec_()
if result and len(isd.getSelectedItems()) == 1:
item = isd.getSelectedItems()[0]
else:
return
elif histo is not None:
# presence of a unique histo and no curve
item = histo
elif curve is not None:
# presence of a unique or active curve
item = curve
self.legend = item.getLegend()
if isinstance(item, Histogram):
bin_edges = item.getBinEdgesData(copy=False)
# take the middle coordinate between adjacent bin edges
self.x = (bin_edges[1:] + bin_edges[:-1]) / 2
self.y = item.getValueData(copy=False)
# else take the active curve, or else the unique curve
elif isinstance(item, Curve):
self.x = item.getXData(copy=False)
self.y = item.getYData(copy=False)
# open a window with a FitWidget
if self.fit_window is None:
self.fit_window = qt.QMainWindow()
# import done here rather than at module level to avoid circular import
# FitWidget -> BackgroundWidget -> PlotWindow -> actions -> fit -> FitWidget
from ...fit.FitWidget import FitWidget
self.fit_widget = FitWidget(parent=self.fit_window)
self.fit_window.setCentralWidget(
self.fit_widget)
self.fit_widget.guibuttons.DismissButton.clicked.connect(
self.fit_window.close)
self.fit_widget.sigFitWidgetSignal.connect(
self.handle_signal)
self.fit_window.show()
else:
if self.fit_window.isHidden():
self.fit_window.show()
self.fit_widget.show()
self.fit_window.raise_()
self.fit_widget.setData(self.x, self.y,
xmin=self.xmin, xmax=self.xmax)
self.fit_window.setWindowTitle(
"Fitting " + self.legend +
" on x range %f-%f" % (self.xmin, self.xmax))
def _initFit(self, window):
plot = self.plot
self.xlabel = plot.getXAxis().getLabel()
self.ylabel = plot.getYAxis().getLabel()
self.xmin, self.xmax = plot.getXAxis().getLimits()
histo = _getUniqueHistogram(self.plot)
curve = _getUniqueCurve(self.plot)
if histo is None and curve is None:
# ambiguous case, we need to ask which plot item to fit
isd = ItemsSelectionDialog(parent=plot, plot=self.plot)
isd.setWindowTitle("Select item to be fitted")
isd.setItemsSelectionMode(qt.QTableWidget.SingleSelection)
isd.setAvailableKinds(["curve", "histogram"])
isd.selectAllKinds()
result = isd.exec_()
if result and len(isd.getSelectedItems()) == 1:
item = isd.getSelectedItems()[0]
else:
return
elif histo is not None:
# presence of a unique histo and no curve
item = histo
elif curve is not None:
# presence of a unique or active curve
item = curve
self.legend = item.getLegend()
if isinstance(item, Histogram):
bin_edges = item.getBinEdgesData(copy=False)
# take the middle coordinate between adjacent bin edges
self.x = (bin_edges[1:] + bin_edges[:-1]) / 2
self.y = item.getValueData(copy=False)
# else take the active curve, or else the unique curve
elif isinstance(item, Curve):
self.x = item.getXData(copy=False)
self.y = item.getYData(copy=False)
self.fit_widget.setData(self.x, self.y,
xmin=self.xmin, xmax=self.xmax)
window.setWindowTitle(
"Fitting " + self.legend +
" on x range %f-%f" % (self.xmin, self.xmax))