def _initColorBar(self):
"""Create the ColorBarWidget and add it to the PlotWidget"""
# Add a colorbar on the right side
colorBar = ColorBarWidget(parent=self, plot=self)
# Make ColorBarWidget background white by changing its palette
colorBar.setAutoFillBackground(True)
palette = colorBar.palette()
palette.setColor(qt.QPalette.Background, qt.Qt.white)
palette.setColor(qt.QPalette.Window, qt.Qt.white)
colorBar.setPalette(palette)
# Add the ColorBarWidget by changing PlotWidget's central widget
gridLayout = qt.QGridLayout()
gridLayout.setSpacing(0)
gridLayout.setContentsMargins(0, 0, 0, 0)
plot = self.getWidgetHandle() # Get the widget rendering the plot
gridLayout.addWidget(plot, 0, 0)
gridLayout.addWidget(colorBar, 0, 1)
gridLayout.setRowStretch(0, 1)
gridLayout.setColumnStretch(0, 1)
centralWidget = qt.QWidget()
centralWidget.setLayout(gridLayout)
self.setCentralWidget(centralWidget)
def __init__(self, parent=None):
super(MyPlotWindow, self).__init__(parent)
# Create a PlotWidget
self._plot = PlotWidget(parent=self)
# Create a colorbar linked with the PlotWidget
colorBar = ColorBarWidget(parent=self, plot=self._plot)
# Make ColorBarWidget background white by changing its palette
colorBar.setAutoFillBackground(True)
palette = colorBar.palette()
palette.setColor(qt.QPalette.Background, qt.Qt.white)
palette.setColor(qt.QPalette.Window, qt.Qt.white)
colorBar.setPalette(palette)
# Combine the ColorBarWidget and the PlotWidget as
# this QMainWindow's central widget
gridLayout = qt.QGridLayout()
gridLayout.setSpacing(0)
gridLayout.setContentsMargins(0, 0, 0, 0)
gridLayout.addWidget(self._plot, 0, 0)
gridLayout.addWidget(colorBar, 0, 1)
gridLayout.setRowStretch(0, 1)
gridLayout.setColumnStretch(0, 1)
centralWidget = qt.QWidget(self)
centralWidget.setLayout(gridLayout)
self.setCentralWidget(centralWidget)
# Add ready to use toolbar with zoom and pan interaction mode buttons
interactionToolBar = tools.InteractiveModeToolBar(parent=self,
plot=self._plot)
self.addToolBar(interactionToolBar)
# Add toolbar actions to activate keyboard shortcuts
self.addActions(interactionToolBar.actions())
# Add a new toolbar
toolBar = qt.QToolBar("Plot Tools", self)
self.addToolBar(toolBar)
# Add actions from silx.gui.plot.action to the toolbar
resetZoomAction = actions.control.ResetZoomAction(parent=self,
plot=self._plot)
toolBar.addAction(resetZoomAction)
# Add tool buttons from silx.gui.plot.PlotToolButtons
aspectRatioButton = PlotToolButtons.AspectToolButton(parent=self,
plot=self._plot)
toolBar.addWidget(aspectRatioButton)
# Add ready to use toolbar with copy, save and print buttons
outputToolBar = tools.OutputToolBar(parent=self, plot=self._plot)
self.addToolBar(outputToolBar)
# Add toolbar actions to activate keyboard shortcuts
self.addActions(outputToolBar.actions())
# Add limits tool bar from silx.gui.plot.PlotTools
limitsToolBar = tools.LimitsToolBar(parent=self, plot=self._plot)
self.addToolBar(qt.Qt.BottomToolBarArea, limitsToolBar)
def __init__(self, parent=None):
super(MyPlotWindow, self).__init__(parent)
# Create a PlotWidget
self._plot = PlotWidget(parent=self)
# Create a colorbar linked with the PlotWidget
colorBar = ColorBarWidget(parent=self, plot=self._plot)
# Make ColorBarWidget background white by changing its palette
colorBar.setAutoFillBackground(True)
palette = colorBar.palette()
palette.setColor(qt.QPalette.Background, qt.Qt.white)
palette.setColor(qt.QPalette.Window, qt.Qt.white)
colorBar.setPalette(palette)
# Combine the ColorBarWidget and the PlotWidget as
# this QMainWindow's central widget
gridLayout = qt.QGridLayout()
gridLayout.setSpacing(0)
gridLayout.setContentsMargins(0, 0, 0, 0)
gridLayout.addWidget(self._plot, 0, 0)
gridLayout.addWidget(colorBar, 0, 1)
gridLayout.setRowStretch(0, 1)
gridLayout.setColumnStretch(0, 1)
centralWidget = qt.QWidget(self)
centralWidget.setLayout(gridLayout)
self.setCentralWidget(centralWidget)
# Add ready to use toolbar with zoom and pan interaction mode buttons
interactionToolBar = tools.InteractiveModeToolBar(
parent=self, plot=self._plot)
self.addToolBar(interactionToolBar)
# Add toolbar actions to activate keyboard shortcuts
self.addActions(interactionToolBar.actions())
# Add a new toolbar
toolBar = qt.QToolBar("Plot Tools", self)
self.addToolBar(toolBar)
# Add actions from silx.gui.plot.action to the toolbar
resetZoomAction = actions.control.ResetZoomAction(
parent=self, plot=self._plot)
toolBar.addAction(resetZoomAction)
# Add tool buttons from silx.gui.plot.PlotToolButtons
aspectRatioButton = PlotToolButtons.AspectToolButton(
parent=self, plot=self._plot)
toolBar.addWidget(aspectRatioButton)
# Add ready to use toolbar with copy, save and print buttons
outputToolBar = tools.OutputToolBar(parent=self, plot=self._plot)
self.addToolBar(outputToolBar)
# Add toolbar actions to activate keyboard shortcuts
self.addActions(outputToolBar.actions())
# Add limits tool bar from silx.gui.plot.PlotTools
limitsToolBar = tools.LimitsToolBar(parent=self, plot=self._plot)
self.addToolBar(qt.Qt.BottomToolBarArea, limitsToolBar)
def __init__(self, parent=None):
super(ColormapDialogExample, self).__init__(parent)
self.setWindowTitle("Colormap dialog example")
self.colormap1 = Colormap("viridis")
self.colormap2 = Colormap("gray")
self.colorBar = ColorBarWidget(self)
self.colorDialogs = []
options = qt.QWidget(self)
options.setLayout(qt.QVBoxLayout())
self.createOptions(options.layout())
mainWidget = qt.QWidget(self)
mainWidget.setLayout(qt.QHBoxLayout())
mainWidget.layout().addWidget(options)
mainWidget.layout().addWidget(self.colorBar)
self.mainWidget = mainWidget
self.setCentralWidget(mainWidget)
self.createColorDialog()
def __init__(self, parent=None):
super(ColormapDialogExample, self).__init__(parent)
self.setWindowTitle("Colormap dialog example")
self.colormap1 = Colormap("viridis")
self.colormap2 = Colormap("gray")
self.colorBar = ColorBarWidget(self)
self.colorDialogs = []
options = qt.QWidget(self)
options.setLayout(qt.QVBoxLayout())
self.createOptions(options.layout())
mainWidget = qt.QWidget(self)
mainWidget.setLayout(qt.QHBoxLayout())
mainWidget.layout().addWidget(options)
mainWidget.layout().addWidget(self.colorBar)
self.mainWidget = mainWidget
self.setCentralWidget(mainWidget)
self.createColorDialog()
def testEmptyColorBar(self):
colorBar = ColorBarWidget(parent=None)
colorBar.show()
self.qWaitForWindowExposed(colorBar)
class ColorBarShower(qt.QWidget):
"""
Simple widget displaying n image with different colormap,
an active colorbar
"""
def __init__(self):
qt.QWidget.__init__(self)
self.setLayout(qt.QHBoxLayout())
self._buildActiveImageSelector()
self.layout().addWidget(self.image_selector)
self._buildPlot()
self.layout().addWidget(self.plot)
self._buildColorbar()
self.layout().addWidget(self.colorbar)
self._buildColormapEditors()
self.layout().addWidget(self._cmpEditor)
# connect radio button with the plot
self.image_selector._qr1.toggled.connect(self.activateImageChanged)
self.image_selector._qr2.toggled.connect(self.activateImageChanged)
self.image_selector._qr3.toggled.connect(self.activateImageChanged)
self.image_selector._qr4.toggled.connect(self.activateImageChanged)
self.image_selector._qr5.toggled.connect(self.activateImageChanged)
self.image_selector._qr6.toggled.connect(self.activateImageChanged)
def _buildActiveImageSelector(self):
"""Build the image selector widget"""
self.image_selector = qt.QGroupBox(parent=self)
self.image_selector.setLayout(qt.QVBoxLayout())
self.image_selector._qr1 = qt.QRadioButton('image1')
self.image_selector._qr1.setChecked(True)
self.image_selector._qr2 = qt.QRadioButton('image2')
self.image_selector._qr3 = qt.QRadioButton('image3')
self.image_selector._qr4 = qt.QRadioButton('image4')
self.image_selector._qr5 = qt.QRadioButton('image5')
self.image_selector._qr6 = qt.QRadioButton('image6')
self.image_selector.layout().addWidget(self.image_selector._qr6)
self.image_selector.layout().addWidget(self.image_selector._qr5)
self.image_selector.layout().addWidget(self.image_selector._qr4)
self.image_selector.layout().addWidget(self.image_selector._qr3)
self.image_selector.layout().addWidget(self.image_selector._qr2)
self.image_selector.layout().addWidget(self.image_selector._qr1)
def activateImageChanged(self):
if self.image_selector._qr1.isChecked():
self.plot.setActiveImage('image1')
if self.image_selector._qr2.isChecked():
self.plot.setActiveImage('image2')
if self.image_selector._qr3.isChecked():
self.plot.setActiveImage('image3')
if self.image_selector._qr4.isChecked():
self.plot.setActiveImage('image4')
if self.image_selector._qr5.isChecked():
self.plot.setActiveImage('image5')
if self.image_selector._qr6.isChecked():
self.plot.setActiveImage('image6')
def _buildColorbar(self):
self.colorbar = ColorBarWidget(parent=self)
self.colorbar.setPlot(self.plot)
def _buildPlot(self):
image1 = numpy.exp(numpy.random.rand(IMG_WIDTH, IMG_WIDTH) * 10)
image2 = numpy.linspace(-100, 1000, IMG_WIDTH * IMG_WIDTH).reshape(
IMG_WIDTH, IMG_WIDTH)
image3 = numpy.linspace(-1, 1, IMG_WIDTH * IMG_WIDTH).reshape(
IMG_WIDTH, IMG_WIDTH)
image4 = numpy.linspace(-20, 50, IMG_WIDTH * IMG_WIDTH).reshape(
IMG_WIDTH, IMG_WIDTH)
image5 = image3
image6 = image4
# viridis colormap
self.colormap1 = Colormap.Colormap(name='green',
normalization='log',
vmin=None,
vmax=None)
self.plot = PlotWidget(parent=self)
self.plot.addImage(data=image1,
origin=(0, 0),
legend='image1',
colormap=self.colormap1)
self.plot.addImage(data=image2,
origin=(100, 0),
legend='image2',
colormap=self.colormap1)
# red colormap
self.colormap2 = Colormap.Colormap(name='red',
normalization='linear',
vmin=None,
vmax=None)
self.plot.addImage(data=image3,
origin=(0, 100),
legend='image3',
colormap=self.colormap2)
self.plot.addImage(data=image4,
origin=(100, 100),
legend='image4',
colormap=self.colormap2)
# gray colormap
self.colormap3 = Colormap.Colormap(name='gray',
normalization='linear',
vmin=1.0,
vmax=20.0)
self.plot.addImage(data=image5,
origin=(0, 200),
legend='image5',
colormap=self.colormap3)
self.plot.addImage(data=image6,
origin=(100, 200),
legend='image6',
colormap=self.colormap3)
def _buildColormapEditors(self):
self._cmpEditor = qt.QWidget(parent=self)
self._cmpEditor.setLayout(qt.QVBoxLayout())
self._cmpEditor.layout().addWidget(_ColormapEditor(self.colormap3))
self._cmpEditor.layout().addWidget(_ColormapEditor(self.colormap2))
self._cmpEditor.layout().addWidget(_ColormapEditor(self.colormap1))
def _buildColorbar(self):
self.colorbar = ColorBarWidget(parent=self)
self.colorbar.setPlot(self.plot)
def testEmptyColorBar(self):
colorBar = ColorBarWidget(parent=None)
colorBar.show()
self.qWaitForWindowExposed(colorBar)
class ColormapDialogExample(qt.QMainWindow):
"""PlotWidget with an ad hoc toolbar and a colorbar"""
def __init__(self, parent=None):
super(ColormapDialogExample, self).__init__(parent)
self.setWindowTitle("Colormap dialog example")
self.colormap1 = Colormap("viridis")
self.colormap2 = Colormap("gray")
self.colorBar = ColorBarWidget(self)
self.colorDialogs = []
options = qt.QWidget(self)
options.setLayout(qt.QVBoxLayout())
self.createOptions(options.layout())
mainWidget = qt.QWidget(self)
mainWidget.setLayout(qt.QHBoxLayout())
mainWidget.layout().addWidget(options)
mainWidget.layout().addWidget(self.colorBar)
self.mainWidget = mainWidget
self.setCentralWidget(mainWidget)
self.createColorDialog()
def createOptions(self, layout):
button = qt.QPushButton("Create a new dialog")
button.clicked.connect(self.createColorDialog)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set editable")
button.clicked.connect(self.setEditable)
layout.addWidget(button)
button = qt.QPushButton("Set non-editable")
button.clicked.connect(self.setNonEditable)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set no colormap")
button.clicked.connect(self.setNoColormap)
layout.addWidget(button)
button = qt.QPushButton("Set colormap 1")
button.clicked.connect(self.setColormap1)
layout.addWidget(button)
button = qt.QPushButton("Set colormap 2")
button.clicked.connect(self.setColormap2)
layout.addWidget(button)
button = qt.QPushButton("Create new colormap")
button.clicked.connect(self.setNewColormap)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set no histogram")
button.clicked.connect(self.setNoHistogram)
layout.addWidget(button)
button = qt.QPushButton("Set positive histogram")
button.clicked.connect(self.setPositiveHistogram)
layout.addWidget(button)
button = qt.QPushButton("Set neg-pos histogram")
button.clicked.connect(self.setNegPosHistogram)
layout.addWidget(button)
button = qt.QPushButton("Set negative histogram")
button.clicked.connect(self.setNegativeHistogram)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set no range")
button.clicked.connect(self.setNoRange)
layout.addWidget(button)
button = qt.QPushButton("Set positive range")
button.clicked.connect(self.setPositiveRange)
layout.addWidget(button)
button = qt.QPushButton("Set neg-pos range")
button.clicked.connect(self.setNegPosRange)
layout.addWidget(button)
button = qt.QPushButton("Set negative range")
button.clicked.connect(self.setNegativeRange)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set no data")
button.clicked.connect(self.setNoData)
layout.addWidget(button)
button = qt.QPushButton("Set shepp logan phantom")
button.clicked.connect(self.setSheppLoganPhantom)
layout.addWidget(button)
button = qt.QPushButton("Set data with non finite")
button.clicked.connect(self.setDataWithNonFinite)
layout.addWidget(button)
layout.addStretch()
def createColorDialog(self):
newDialog = ColormapDialog(self)
newDialog.finished.connect(
functools.partial(self.removeColorDialog, newDialog))
self.colorDialogs.append(newDialog)
self.mainWidget.layout().addWidget(newDialog)
def removeColorDialog(self, dialog):
self.colorDialogs.remove(dialog)
def setNoColormap(self):
self.colorBar.setColormap(None)
for dialog in self.colorDialogs:
dialog.setColormap(None)
def setColormap1(self):
self.colorBar.setColormap(self.colormap1)
for dialog in self.colorDialogs:
dialog.setColormap(self.colormap1)
def setColormap2(self):
self.colorBar.setColormap(self.colormap2)
for dialog in self.colorDialogs:
dialog.setColormap(self.colormap2)
def setEditable(self):
for dialog in self.colorDialogs:
colormap = dialog.getColormap()
if colormap is not None:
colormap.setEditable(True)
def setNonEditable(self):
for dialog in self.colorDialogs:
colormap = dialog.getColormap()
if colormap is not None:
colormap.setEditable(False)
def setNewColormap(self):
self.colormap = Colormap("inferno")
self.colorBar.setColormap(self.colormap)
for dialog in self.colorDialogs:
dialog.setColormap(self.colormap)
def setNoHistogram(self):
for dialog in self.colorDialogs:
dialog.setHistogram()
def setPositiveHistogram(self):
histo = [5, 10, 50, 10, 5]
pos = 1
edges = list(range(pos, pos + len(histo)))
for dialog in self.colorDialogs:
dialog.setHistogram(histo, edges)
def setNegPosHistogram(self):
histo = [5, 10, 50, 10, 5]
pos = -2
edges = list(range(pos, pos + len(histo)))
for dialog in self.colorDialogs:
dialog.setHistogram(histo, edges)
def setNegativeHistogram(self):
histo = [5, 10, 50, 10, 5]
pos = -30
edges = list(range(pos, pos + len(histo)))
for dialog in self.colorDialogs:
dialog.setHistogram(histo, edges)
def setNoRange(self):
for dialog in self.colorDialogs:
dialog.setDataRange()
def setPositiveRange(self):
for dialog in self.colorDialogs:
dialog.setDataRange(1, 1, 10)
def setNegPosRange(self):
for dialog in self.colorDialogs:
dialog.setDataRange(-10, 1, 10)
def setNegativeRange(self):
for dialog in self.colorDialogs:
dialog.setDataRange(-10, float("nan"), -1)
def setNoData(self):
for dialog in self.colorDialogs:
dialog.setData(None)
def setSheppLoganPhantom(self):
from silx.image import phantomgenerator
data = phantomgenerator.PhantomGenerator.get2DPhantomSheppLogan(256)
data = data * 1000
if scipy is not None:
from scipy import ndimage
data = ndimage.gaussian_filter(data, sigma=20)
data = numpy.random.poisson(data)
self.data = data
for dialog in self.colorDialogs:
dialog.setData(data)
def setDataWithNonFinite(self):
from silx.image import phantomgenerator
data = phantomgenerator.PhantomGenerator.get2DPhantomSheppLogan(256)
data = data * 1000
if scipy is not None:
from scipy import ndimage
data = ndimage.gaussian_filter(data, sigma=20)
data = numpy.random.poisson(data)
data[10] = float("nan")
data[50] = float("+inf")
data[100] = float("-inf")
self.data = data
for dialog in self.colorDialogs:
dialog.setData(data)
class ColormapDialogExample(qt.QMainWindow):
"""PlotWidget with an ad hoc toolbar and a colorbar"""
def __init__(self, parent=None):
super(ColormapDialogExample, self).__init__(parent)
self.setWindowTitle("Colormap dialog example")
self.colormap1 = Colormap("viridis")
self.colormap2 = Colormap("gray")
self.colorBar = ColorBarWidget(self)
self.colorDialogs = []
options = qt.QWidget(self)
options.setLayout(qt.QVBoxLayout())
self.createOptions(options.layout())
mainWidget = qt.QWidget(self)
mainWidget.setLayout(qt.QHBoxLayout())
mainWidget.layout().addWidget(options)
mainWidget.layout().addWidget(self.colorBar)
self.mainWidget = mainWidget
self.setCentralWidget(mainWidget)
self.createColorDialog()
def createOptions(self, layout):
button = qt.QPushButton("Create a new dialog")
button.clicked.connect(self.createColorDialog)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set editable")
button.clicked.connect(self.setEditable)
layout.addWidget(button)
button = qt.QPushButton("Set non-editable")
button.clicked.connect(self.setNonEditable)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set no colormap")
button.clicked.connect(self.setNoColormap)
layout.addWidget(button)
button = qt.QPushButton("Set colormap 1")
button.clicked.connect(self.setColormap1)
layout.addWidget(button)
button = qt.QPushButton("Set colormap 2")
button.clicked.connect(self.setColormap2)
layout.addWidget(button)
button = qt.QPushButton("Create new colormap")
button.clicked.connect(self.setNewColormap)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set no histogram")
button.clicked.connect(self.setNoHistogram)
layout.addWidget(button)
button = qt.QPushButton("Set positive histogram")
button.clicked.connect(self.setPositiveHistogram)
layout.addWidget(button)
button = qt.QPushButton("Set neg-pos histogram")
button.clicked.connect(self.setNegPosHistogram)
layout.addWidget(button)
button = qt.QPushButton("Set negative histogram")
button.clicked.connect(self.setNegativeHistogram)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set no range")
button.clicked.connect(self.setNoRange)
layout.addWidget(button)
button = qt.QPushButton("Set positive range")
button.clicked.connect(self.setPositiveRange)
layout.addWidget(button)
button = qt.QPushButton("Set neg-pos range")
button.clicked.connect(self.setNegPosRange)
layout.addWidget(button)
button = qt.QPushButton("Set negative range")
button.clicked.connect(self.setNegativeRange)
layout.addWidget(button)
layout.addSpacing(10)
button = qt.QPushButton("Set no data")
button.clicked.connect(self.setNoData)
layout.addWidget(button)
button = qt.QPushButton("Set shepp logan phantom")
button.clicked.connect(self.setSheppLoganPhantom)
layout.addWidget(button)
button = qt.QPushButton("Set data with non finite")
button.clicked.connect(self.setDataWithNonFinite)
layout.addWidget(button)
layout.addStretch()
def createColorDialog(self):
newDialog = ColormapDialog(self)
newDialog.finished.connect(functools.partial(self.removeColorDialog, newDialog))
self.colorDialogs.append(newDialog)
self.mainWidget.layout().addWidget(newDialog)
def removeColorDialog(self, dialog):
self.colorDialogs.remove(dialog)
def setNoColormap(self):
self.colorBar.setColormap(None)
for dialog in self.colorDialogs:
dialog.setColormap(None)
def setColormap1(self):
self.colorBar.setColormap(self.colormap1)
for dialog in self.colorDialogs:
dialog.setColormap(self.colormap1)
def setColormap2(self):
self.colorBar.setColormap(self.colormap2)
for dialog in self.colorDialogs:
dialog.setColormap(self.colormap2)
def setEditable(self):
for dialog in self.colorDialogs:
colormap = dialog.getColormap()
if colormap is not None:
colormap.setEditable(True)
def setNonEditable(self):
for dialog in self.colorDialogs:
colormap = dialog.getColormap()
if colormap is not None:
colormap.setEditable(False)
def setNewColormap(self):
self.colormap = Colormap("inferno")
self.colorBar.setColormap(self.colormap)
for dialog in self.colorDialogs:
dialog.setColormap(self.colormap)
def setNoHistogram(self):
for dialog in self.colorDialogs:
dialog.setHistogram()
def setPositiveHistogram(self):
histo = [5, 10, 50, 10, 5]
pos = 1
edges = list(range(pos, pos + len(histo)))
for dialog in self.colorDialogs:
dialog.setHistogram(histo, edges)
def setNegPosHistogram(self):
histo = [5, 10, 50, 10, 5]
pos = -2
edges = list(range(pos, pos + len(histo)))
for dialog in self.colorDialogs:
dialog.setHistogram(histo, edges)
def setNegativeHistogram(self):
histo = [5, 10, 50, 10, 5]
pos = -30
edges = list(range(pos, pos + len(histo)))
for dialog in self.colorDialogs:
dialog.setHistogram(histo, edges)
def setNoRange(self):
for dialog in self.colorDialogs:
dialog.setDataRange()
def setPositiveRange(self):
for dialog in self.colorDialogs:
dialog.setDataRange(1, 1, 10)
def setNegPosRange(self):
for dialog in self.colorDialogs:
dialog.setDataRange(-10, 1, 10)
def setNegativeRange(self):
for dialog in self.colorDialogs:
dialog.setDataRange(-10, float("nan"), -1)
def setNoData(self):
for dialog in self.colorDialogs:
dialog.setData(None)
def setSheppLoganPhantom(self):
from silx.image import phantomgenerator
data = phantomgenerator.PhantomGenerator.get2DPhantomSheppLogan(256)
data = data * 1000
if scipy is not None:
from scipy import ndimage
data = ndimage.gaussian_filter(data, sigma=20)
data = numpy.random.poisson(data)
self.data = data
for dialog in self.colorDialogs:
dialog.setData(data)
def setDataWithNonFinite(self):
from silx.image import phantomgenerator
data = phantomgenerator.PhantomGenerator.get2DPhantomSheppLogan(256)
data = data * 1000
if scipy is not None:
from scipy import ndimage
data = ndimage.gaussian_filter(data, sigma=20)
data = numpy.random.poisson(data)
data[10] = float("nan")
data[50] = float("+inf")
data[100] = float("-inf")
self.data = data
for dialog in self.colorDialogs:
dialog.setData(data)