def __init__(self, data, range=False, window_data=False, win_l=50, win_w=350):
QtGui.QWidget.__init__(self)
# self.ui = Ui_MainWindow()
self.ui = Ui_Form()
self.ui.setupUi(self)
self.actual_slice = 0
self.data = data
self.n_slices = self.data.shape[0]
self.range = range
self.window_data = window_data
self.win_l = win_l
self.win_w = win_w
# seting up the figure
self.figure = plt.figure()
self.axes = self.figure.add_axes([0, 0, 1, 1])
self.canvas = FigureCanvas(self.figure)
# conenction the wheel events
self.canvas.mpl_connect('scroll_event', self.on_scroll)
self.update_figures()
data_viewer_layout = QtGui.QHBoxLayout()
data_viewer_layout.addWidget(self.canvas)
self.ui.viewer_F.setLayout(data_viewer_layout)
# seting up the range of the scrollbar to cope with the number of slices
self.ui.slice_scrollB.setMaximum(self.n_slices - 1)
# connecting slider
self.ui.slice_scrollB.valueChanged.connect(self.slider_changed)
def __init__(self, data, range=False, parent=None):
QtGui.QWidget.__init__(self, parent)
# self.ui = Ui_MainWindow()
self.ui = Ui_Form()
self.ui.setupUi(self)
self.actual_slice = 0
self.data = data
self.n_slices = self.data.shape[0]
self.range = range
# setting up the figure
self.figure = plt.figure()
self.axes = self.figure.add_axes([0, 0, 1, 1])
self.canvas = FigureCanvas(self.figure)
# layout = QtGui.QVBoxLayout()
# layout.addWidget(self.canvas, 1)
# self.setLayout(layout)
# connection to wheel events
self.canvas.mpl_connect('scroll_event', self.on_scroll)
self.update_figures()
self.data = data
# adding widget for displaying image data
# self.form_widget = Form_widget.Form_widget(self)
data_viewer_layout = QtGui.QHBoxLayout()
# data_viewer_layout.addWidget(self.form_widget)
data_viewer_layout.addWidget(self.canvas)
self.ui.viewer_F.setLayout(data_viewer_layout)
# setting up the range of the scrollbar to cope with the number of slices
self.ui.slice_scrollB.setMaximum(self.n_slices - 1)
# connecting slider
self.ui.slice_scrollB.valueChanged.connect(self.slider_changed)
def __init__(self, data, range=False, parent=None):
QtGui.QWidget.__init__(self, parent)
# self.ui = Ui_MainWindow()
self.ui = Ui_Form()
self.ui.setupUi(self)
self.actual_slice = 0
self.data = data
self.n_slices = self.data.shape[0]
self.range = range
# seting up the figure
self.figure = plt.figure()
self.axes = self.figure.add_axes([0, 0, 1, 1])
self.canvas = FigureCanvas(self.figure)
# layout = QtGui.QVBoxLayout()
# layout.addWidget(self.canvas, 1)
# self.setLayout(layout)
# conenction to wheel events
self.canvas.mpl_connect('scroll_event', self.on_scroll)
self.update_figures()
self.data = data
# adding widget for displaying image data
# self.form_widget = Form_widget.Form_widget(self)
data_viewer_layout = QtGui.QHBoxLayout()
# data_viewer_layout.addWidget(self.form_widget)
data_viewer_layout.addWidget(self.canvas)
self.ui.viewer_F.setLayout(data_viewer_layout)
# seting up the range of the scrollbar to cope with the number of slices
self.ui.slice_scrollB.setMaximum(self.n_slices - 1)
# connecting slider
self.ui.slice_scrollB.valueChanged.connect(self.slider_changed)
class Viewer_3D(QtGui.QWidget):
"""Main class of the program."""
def __init__(self, data, range=False, parent=None):
QtGui.QWidget.__init__(self, parent)
# self.ui = Ui_MainWindow()
self.ui = Ui_Form()
self.ui.setupUi(self)
self.actual_slice = 0
self.data = data
self.n_slices = self.data.shape[0]
self.range = range
# setting up the figure
self.figure = plt.figure()
self.axes = self.figure.add_axes([0, 0, 1, 1])
self.canvas = FigureCanvas(self.figure)
# layout = QtGui.QVBoxLayout()
# layout.addWidget(self.canvas, 1)
# self.setLayout(layout)
# connection to wheel events
self.canvas.mpl_connect('scroll_event', self.on_scroll)
self.update_figures()
self.data = data
# adding widget for displaying image data
# self.form_widget = Form_widget.Form_widget(self)
data_viewer_layout = QtGui.QHBoxLayout()
# data_viewer_layout.addWidget(self.form_widget)
data_viewer_layout.addWidget(self.canvas)
self.ui.viewer_F.setLayout(data_viewer_layout)
# setting up the range of the scrollbar to cope with the number of slices
self.ui.slice_scrollB.setMaximum(self.n_slices - 1)
# connecting slider
self.ui.slice_scrollB.valueChanged.connect(self.slider_changed)
def update_figures(self):
if self.range:
vmin = self.data.min()
vmax = self.data.max()
else:
vmin = 0
vmax = 255
slice = self.data[self.actual_slice, :, :]
plt.figure(self.figure.number)
plt.subplot(111)
# self.figure.gca().cla() # clearing the contours, just to be sure
plt.imshow(slice,
'gray',
interpolation='nearest',
vmin=vmin,
vmax=vmax)
self.canvas.draw()
def slider_changed(self, val):
self.slice_change(val)
self.actual_slice = val
self.update_figures()
def slice_change(self, val):
self.ui.slice_scrollB.setValue(val)
self.ui.slice_number_LBL.setText('slice # = %i' % (val + 1))
def next_slice(self):
self.actual_slice += 1
if self.actual_slice >= self.n_slices:
self.actual_slice = 0
def prev_slice(self):
self.actual_slice -= 1
if self.actual_slice < 0:
self.actual_slice = self.n_slices - 1
def on_scroll(self, event):
'''mouse wheel is used for setting slider value'''
if event.button == 'up':
self.next_slice()
if event.button == 'down':
self.prev_slice()
self.update_figures()
self.slice_change(self.actual_slice)
class Viewer_3D(QtGui.QWidget):
"""Main class of the programm."""
def __init__(self, data, range=False, parent=None):
QtGui.QWidget.__init__(self, parent)
# self.ui = Ui_MainWindow()
self.ui = Ui_Form()
self.ui.setupUi(self)
self.actual_slice = 0
self.data = data
self.n_slices = self.data.shape[0]
self.range = range
# seting up the figure
self.figure = plt.figure()
self.axes = self.figure.add_axes([0, 0, 1, 1])
self.canvas = FigureCanvas(self.figure)
# layout = QtGui.QVBoxLayout()
# layout.addWidget(self.canvas, 1)
# self.setLayout(layout)
# conenction to wheel events
self.canvas.mpl_connect('scroll_event', self.on_scroll)
self.update_figures()
self.data = data
# adding widget for displaying image data
# self.form_widget = Form_widget.Form_widget(self)
data_viewer_layout = QtGui.QHBoxLayout()
# data_viewer_layout.addWidget(self.form_widget)
data_viewer_layout.addWidget(self.canvas)
self.ui.viewer_F.setLayout(data_viewer_layout)
# seting up the range of the scrollbar to cope with the number of slices
self.ui.slice_scrollB.setMaximum(self.n_slices - 1)
# connecting slider
self.ui.slice_scrollB.valueChanged.connect(self.slider_changed)
def update_figures(self):
if self.range:
vmin = self.data.min()
vmax = self.data.max()
else:
vmin = 0
vmax = 255
slice = self.data[self.actual_slice, :, :]
plt.figure(self.figure.number)
plt.subplot(111)
# self.figure.gca().cla() # clearing the contours, just to be sure
plt.imshow(slice, 'gray', interpolation='nearest', vmin=vmin, vmax=vmax)
self.canvas.draw()
def slider_changed(self, val):
self.slice_change(val)
self.actual_slice = val
self.update_figures()
def slice_change(self, val):
self.ui.slice_scrollB.setValue(val)
self.ui.slice_number_LBL.setText('slice # = %i' % (val + 1))
def next_slice(self):
self.actual_slice += 1
if self.actual_slice >= self.n_slices:
self.actual_slice = 0
def prev_slice(self):
self.actual_slice -= 1
if self.actual_slice < 0:
self.actual_slice = self.n_slices - 1
def on_scroll(self, event):
'''mouse wheel is used for setting slider value'''
if event.button == 'up':
self.next_slice()
if event.button == 'down':
self.prev_slice()
self.update_figures()
self.slice_change(self.actual_slice)
class Viewer_3D(QtGui.QWidget):
"""Main class of the programm."""
def __init__(self, data, range=False, window_data=False, win_l=50, win_w=350):
QtGui.QWidget.__init__(self)
# self.ui = Ui_MainWindow()
self.ui = Ui_Form()
self.ui.setupUi(self)
self.actual_slice = 0
self.data = data
self.n_slices = self.data.shape[0]
self.range = range
self.window_data = window_data
self.win_l = win_l
self.win_w = win_w
# seting up the figure
self.figure = plt.figure()
self.axes = self.figure.add_axes([0, 0, 1, 1])
self.canvas = FigureCanvas(self.figure)
# conenction the wheel events
self.canvas.mpl_connect('scroll_event', self.on_scroll)
self.update_figures()
data_viewer_layout = QtGui.QHBoxLayout()
data_viewer_layout.addWidget(self.canvas)
self.ui.viewer_F.setLayout(data_viewer_layout)
# seting up the range of the scrollbar to cope with the number of slices
self.ui.slice_scrollB.setMaximum(self.n_slices - 1)
# connecting slider
self.ui.slice_scrollB.valueChanged.connect(self.slider_changed)
def update_figures(self):
if self.range:
vmin = self.data.min()
vmax = self.data.max()
elif self.window_data:
vmin = self.win_l - self.win_w / 2
vmax = self.win_l + self.win_w / 2
else:
vmin = 0
vmax = 255
slice = self.data[self.actual_slice, :, :]
plt.figure(self.figure.number)
plt.subplot(111)
plt.imshow(slice, 'gray', interpolation='nearest', vmin=vmin, vmax=vmax)
self.canvas.draw()
def slider_changed(self, val):
self.slice_change(val)
self.actual_slice = val
self.update_figures()
def slice_change(self, val):
self.ui.slice_scrollB.setValue(val)
self.ui.slice_number_LBL.setText('slice # = %i' % (val + 1))
def next_slice(self):
self.actual_slice += 1
if self.actual_slice >= self.n_slices:
self.actual_slice = 0
def prev_slice(self):
self.actual_slice -= 1
if self.actual_slice < 0:
self.actual_slice = self.n_slices - 1
def on_scroll(self, event):
'''mouse wheel is used for setting slider value'''
if event.button == 'down':
self.next_slice()
if event.button == 'up':
self.prev_slice()
self.update_figures()
self.slice_change(self.actual_slice)
def keyPressEvent(self, QKeyEvent):
if QKeyEvent.key() == QtCore.Qt.Key_Escape:
self.close()
