class HDFViewWindow(gui.SlabWindow, UiClass):
def __init__(self, fname=None):
gui.SlabWindow.__init__(self, HDFViewThread)
self.setupSlabWindow(autoparam=True)
self.auto_register_gui()
self.register_param(self.datasets_treeWidget, "dataset")
self.register_param(self.datapath_lineEdit, "datapath")
# Setup Plots -- Could be eliminated if QtDesigner plugins were setup
self.toolbar = Qt.QToolBar()
self.addToolBar(self.toolbar)
self.image_widget = ImageWidget(show_xsection=True, show_ysection=True)
self.image_widget.add_toolbar(self.toolbar)
self.image_widget.register_all_image_tools()
self.image_plot = self.image_widget.plot
self.image_plot_layout.addWidget(self.image_widget)
self.gui["image_plot"] = self.image_plot
self.line_widget = CurveWidget()
self.gui["line_plot"] = self.line_plot = self.line_widget.plot #CurvePlot()
self.line_plot_layout.addWidget(self.line_plot)
self.line_widget.register_all_image_tools()
# Context Menu actions
self.set_x_action = Qt.QAction("Set as x data", self)
self.clear_x_action = Qt.QAction("Clear x data", self)
self.datasets_treeWidget.customContextMenuRequested.connect(
lambda point: self.msg("menu requested"))
self.datasets_treeWidget.customContextMenuRequested.connect(
self.datasets_context_menu)
# Connect launchers
self.datapath_browse_pushButton.clicked.connect(self.select_datapath)
self.register_script("set_datapath", self.datapath_lineEdit)
self.register_script("load_file", self.datafiles_listWidget)
self.register_script("load_dset", self.datasets_treeWidget)
self.register_script("set_x_data", self.set_x_action)
self.register_script("clear_x_data", self.clear_x_action)
# Syntax Highlighting
self.highlight = syntax.PythonHighlighter(self.script_textEdit.document())
# Setup Prompt
"""
message = "The currently loaded file is stored as 'f'"
self.shell = InternalShell(self, message=message)
self.shell.set_font(Qt.QFont("Consolas"))
self.shell_dockWidget.setWidget(self.shell)
self.gui["shell"] = self.shell
"""
self.start_thread()
if fname is not None:
self.shell.exit_interpreter()
directory = os.path.dirname(fname)
nameitem = namedtuple('pseudoitem', ('filename',))(fname)
self.msg(fname)
self.set_param("datapath", directory)
self.start_script("set_datapath")
self.start_script("load_file", nameitem)
def closeEvent(self, event):
self.shell.exit_interpreter()
event.accept()
def select_datapath(self):
path = str(Qt.QFileDialog.getExistingDirectory(
self, 'Open Datapath',self.params["datapath"]))
if path:
self.params["datapath"] = path
self.emit(Qt.SIGNAL("RunOnDataThread"), "set_datapath")
def datasets_context_menu(self, point):
menu = Qt.QMenu()
menu.addAction(self.set_x_action)
menu.addAction(self.clear_x_action)
menu.exec_(self.datasets_treeWidget.mapToGlobal(point))
class CentralWidget(QSplitter):
def __init__(self, parent, toolbar):
QSplitter.__init__(self, parent)
self.setContentsMargins(10, 10, 10, 10)
self.setOrientation(Qt.Vertical)
imagelistwithproperties = ImageListWithProperties(self)
self.addWidget(imagelistwithproperties)
self.imagelist = imagelistwithproperties.imagelist
self.connect(self.imagelist, SIGNAL("currentRowChanged(int)"),
self.current_item_changed)
self.connect(self.imagelist, SIGNAL("itemSelectionChanged()"),
self.selection_changed)
self.properties = imagelistwithproperties.properties
self.connect(self.properties, SIGNAL("apply_button_clicked()"),
self.properties_changed)
self.imagewidget = ImageWidget(self)
self.connect(self.imagewidget.plot, SIG_LUT_CHANGED,
self.lut_range_changed)
self.item = None # image item
self.imagewidget.add_toolbar(toolbar, "default")
self.imagewidget.register_all_image_tools()
self.addWidget(self.imagewidget)
self.images = [] # List of ImageParam instances
self.lut_ranges = [] # List of LUT ranges
self.setStretchFactor(0, 0)
self.setStretchFactor(1, 1)
self.setHandleWidth(10)
self.setSizes([1, 2])
def refresh_list(self):
self.imagelist.clear()
self.imagelist.addItems([image.title for image in self.images])
def selection_changed(self):
"""Image list: selection changed"""
row = self.imagelist.currentRow()
self.properties.setDisabled(row == -1)
def current_item_changed(self, row):
"""Image list: current image changed"""
image, lut_range = self.images[row], self.lut_ranges[row]
self.show_data(image.data, lut_range)
update_dataset(self.properties.dataset, image)
self.properties.get()
def lut_range_changed(self):
row = self.imagelist.currentRow()
self.lut_ranges[row] = self.item.get_lut_range()
def show_data(self, data, lut_range=None):
plot = self.imagewidget.plot
if self.item is not None:
self.item.set_data(data)
if lut_range is None:
lut_range = self.item.get_lut_range()
self.imagewidget.set_contrast_range(*lut_range)
self.imagewidget.update_cross_sections()
else:
self.item = make.image(data)
plot.add_item(self.item, z=0)
plot.replot()
def properties_changed(self):
"""The properties 'Apply' button was clicked: updating image"""
row = self.imagelist.currentRow()
image = self.images[row]
update_dataset(image, self.properties.dataset)
self.refresh_list()
self.show_data(image.data)
def add_image(self, image):
self.images.append(image)
self.lut_ranges.append(None)
self.refresh_list()
self.imagelist.setCurrentRow(len(self.images)-1)
plot = self.imagewidget.plot
plot.do_autoscale()
def add_image_from_file(self, filename):
image = ImageParam()
image.title = to_text_string(filename)
image.data = io.imread(filename, to_grayscale=True)
image.height, image.width = image.data.shape
self.add_image(image)
class PlotItem(qt.QWidget):
def __init__(self,
ident,
rank,
accum,
plotkwargs,
trace=None,
xpts=[],
ypts=[]):
qt.QWidget.__init__(self)
qt.QVBoxLayout(self)
self.layout().setSpacing(0)
self.layout().setContentsMargins(5, 0, 5, 0)
self.toolbar = toolbar = qt.QToolBar()
self.layout().addWidget(toolbar)
self.ident = ident
self.rank = rank
self.accum = accum
self.xpts = xpts
self.ypts = ypts
self.update_count = 0
self.collapsed = False
autoscale_gui_default = True
if self.rank == 1:
self.plot_widget = CurveWidget(title=ident)
self.plot_widget.add_toolbar(toolbar)
self.plot_widget.register_all_curve_tools()
try:
vmin, vmax = plotkwargs.pop('xlimit')
self.plot_widget.plot.set_axis_limits(2, vmin, vmax)
autoscale_gui_default = False
except:
pass
try:
vmin, vmax = plotkwargs.pop('ylimit')
self.plot_widget.plot.set_axis_limits(0, vmin, vmax)
autoscale_gui_default = False
except:
pass
try:
title = plotkwargs.pop('title')
self.plot_widget.set_title(title)
except:
pass
try:
background = plotkwargs.pop('background')
self.plot_widget.plot.grid.gridparam.background = background
self.plot_widget.plot.grid.update_params()
except:
pass
elif self.rank == 2:
self.plot_widget = ImageWidget(title=ident,
lock_aspect_ratio=False)
self.plot_widget.add_toolbar(toolbar)
self.plot_widget.register_all_image_tools()
else:
raise ValueError
self.items = {}
self.add_item(trace, plotkwargs)
self.layout().addWidget(self.plot_widget)
self.buttons_widget = buttons = qt.QWidget()
qt.QHBoxLayout(buttons)
self.hide_button = qt.QPushButton('Hide')
self.hide_button.clicked.connect(self.collapse)
self.show_button = qt.QPushButton('Show ' + ident)
self.show_button.clicked.connect(self.expand)
self.show_button.hide()
self.remove_button = qt.QPushButton('Remove')
self.zoom_button = qt.QPushButton('Zoom')
self.autoscale_check = qt.QCheckBox('autoscale')
#print autoscale_gui_default,"<== is this true?"
self.autoscale_check.setChecked(autoscale_gui_default)
buttons.layout().addWidget(self.hide_button)
buttons.layout().addWidget(self.remove_button)
buttons.layout().addWidget(self.zoom_button)
buttons.layout().addWidget(self.autoscale_check)
self.layout().addWidget(buttons)
self.layout().addWidget(self.show_button)
def add_item(self, trace, plotkwargs={}):
if trace in self.items:
self.plot_widget.plot.del_item(self.items[trace])
if self.rank == 1:
try:
self.items[trace] = make.curve([], [], **plotkwargs)
except:
raise
elif self.rank == 2:
if 'interpolation' not in plotkwargs:
plotkwargs['interpolation'] = 'nearest'
self.items[trace] = make.image(np.array([[0]]), **plotkwargs)
else:
raise ValueError
self.plot_widget.plot.add_item(self.items[trace])
def collapse(self):
self.collapsed = True
self.toolbar.hide()
self.plot_widget.hide()
self.buttons_widget.hide()
self.show_button.show()
def expand(self):
self.collaped = False
self.toolbar.show()
self.plot_widget.show()
self.buttons_widget.show()
self.show_button.hide()
class PlotItem(qt.QWidget):
def __init__(self, ident, rank, accum, plotkwargs, trace=None, xpts=[], ypts=[]):
qt.QWidget.__init__(self)
qt.QVBoxLayout(self)
self.layout().setSpacing(0)
self.layout().setContentsMargins(5,0,5,0)
self.toolbar = toolbar = qt.QToolBar()
self.layout().addWidget(toolbar)
self.ident = ident
self.rank = rank
self.accum = accum
self.xpts = xpts
self.ypts = ypts
self.update_count = 0
self.collapsed = False
autoscale_gui_default=True
if self.rank == 1:
self.plot_widget = CurveWidget(title=ident)
self.plot_widget.add_toolbar(toolbar)
self.plot_widget.register_all_curve_tools()
try:
vmin,vmax=plotkwargs.pop('xlimit')
self.plot_widget.plot.set_axis_limits(2,vmin,vmax)
autoscale_gui_default=False
except:
pass
try:
vmin,vmax=plotkwargs.pop('ylimit')
self.plot_widget.plot.set_axis_limits(0,vmin,vmax)
autoscale_gui_default=False
except:
pass
try:
title=plotkwargs.pop('title')
self.plot_widget.set_title(title)
except:
pass
try:
background=plotkwargs.pop('background')
self.plot_widget.plot.grid.gridparam.background = background
self.plot_widget.plot.grid.update_params()
except:
pass
elif self.rank == 2:
self.plot_widget = ImageWidget(title=ident, lock_aspect_ratio=False)
self.plot_widget.add_toolbar(toolbar)
self.plot_widget.register_all_image_tools()
else:
raise ValueError
self.items = {}
self.add_item(trace, plotkwargs)
self.layout().addWidget(self.plot_widget)
self.buttons_widget = buttons = qt.QWidget()
qt.QHBoxLayout(buttons)
self.hide_button = qt.QPushButton('Hide')
self.hide_button.clicked.connect(self.collapse)
self.show_button = qt.QPushButton('Show ' + ident)
self.show_button.clicked.connect(self.expand)
self.show_button.hide()
self.remove_button = qt.QPushButton('Remove')
self.zoom_button = qt.QPushButton('Zoom')
self.autoscale_check = qt.QCheckBox('autoscale')
#print autoscale_gui_default,"<== is this true?"
self.autoscale_check.setChecked(autoscale_gui_default)
buttons.layout().addWidget(self.hide_button)
buttons.layout().addWidget(self.remove_button)
buttons.layout().addWidget(self.zoom_button)
buttons.layout().addWidget(self.autoscale_check)
self.layout().addWidget(buttons)
self.layout().addWidget(self.show_button)
def add_item(self, trace, plotkwargs={}):
if trace in self.items:
self.plot_widget.plot.del_item(self.items[trace])
if self.rank == 1:
try:
self.items[trace] = make.curve([], [], **plotkwargs)
except:
raise
elif self.rank == 2:
if 'interpolation' not in plotkwargs:
plotkwargs['interpolation'] = 'nearest'
self.items[trace] = make.image(np.array([[0]]), **plotkwargs)
else:
raise ValueError
self.plot_widget.plot.add_item(self.items[trace])
def collapse(self):
self.collapsed = True
self.toolbar.hide()
self.plot_widget.hide()
self.buttons_widget.hide()
self.show_button.show()
def expand(self):
self.collaped = False
self.toolbar.show()
self.plot_widget.show()
self.buttons_widget.show()
self.show_button.hide()
class CentralWidget(QSplitter):
def __init__(self, parent, toolbar):
QSplitter.__init__(self, parent)
self.setContentsMargins(10, 10, 10, 10)
self.setOrientation(Qt.Vertical)
imagelistwithproperties = ImageListWithProperties(self)
self.addWidget(imagelistwithproperties)
self.imagelist = imagelistwithproperties.imagelist
self.imagelist.currentRowChanged.connect(self.current_item_changed)
self.imagelist.itemSelectionChanged.connect(self.selection_changed)
self.properties = imagelistwithproperties.properties
self.properties.SIG_APPLY_BUTTON_CLICKED.connect(
self.properties_changed)
self.imagewidget = ImageWidget(self)
self.imagewidget.plot.SIG_LUT_CHANGED.connect(self.lut_range_changed)
self.item = None # image item
self.imagewidget.add_toolbar(toolbar, "default")
self.imagewidget.register_all_image_tools()
self.addWidget(self.imagewidget)
self.images = [] # List of ImageParam instances
self.lut_ranges = [] # List of LUT ranges
self.setStretchFactor(0, 0)
self.setStretchFactor(1, 1)
self.setHandleWidth(10)
self.setSizes([1, 2])
def refresh_list(self):
self.imagelist.clear()
self.imagelist.addItems([image.title for image in self.images])
def selection_changed(self):
"""Image list: selection changed"""
row = self.imagelist.currentRow()
self.properties.setDisabled(row == -1)
def current_item_changed(self, row):
"""Image list: current image changed"""
image, lut_range = self.images[row], self.lut_ranges[row]
self.show_data(image.data, lut_range)
update_dataset(self.properties.dataset, image)
self.properties.get()
def lut_range_changed(self):
row = self.imagelist.currentRow()
self.lut_ranges[row] = self.item.get_lut_range()
def show_data(self, data, lut_range=None):
plot = self.imagewidget.plot
if self.item is not None:
self.item.set_data(data)
if lut_range is None:
lut_range = self.item.get_lut_range()
self.imagewidget.set_contrast_range(*lut_range)
self.imagewidget.update_cross_sections()
else:
self.item = make.image(data)
plot.add_item(self.item, z=0)
plot.replot()
def properties_changed(self):
"""The properties 'Apply' button was clicked: updating image"""
row = self.imagelist.currentRow()
image = self.images[row]
update_dataset(image, self.properties.dataset)
self.refresh_list()
self.show_data(image.data)
def add_image(self, image):
self.images.append(image)
self.lut_ranges.append(None)
self.refresh_list()
self.imagelist.setCurrentRow(len(self.images) - 1)
plot = self.imagewidget.plot
plot.do_autoscale()
def add_image_from_file(self, filename):
image = ImageParam()
image.title = to_text_string(filename)
image.data = io.imread(filename, to_grayscale=True)
image.height, image.width = image.data.shape
self.add_image(image)
