def __init__(self):
super().__init__()
self.matrix = None
self.data = None
self.subset_data = None # type: Optional[Orange.data.Table]
self.matrix_data = None
self.signal_data = None
self._pen_data = None
self._brush_data = None
self._shape_data = None
self._size_data = None
self._label_data = None
self._similar_pairs = None
self._scatter_item = None
self._legend_item = None
self._selection_mask = None
self._subset_mask = None # type: Optional[numpy.ndarray]
self._invalidated = False
self._effective_matrix = None
self.__update_loop = None
self.__state = OWMDS.Waiting
self.__in_next_step = False
self.__draw_similar_pairs = False
box = gui.vBox(self.controlArea, "MDS Optimization")
form = QtGui.QFormLayout(
labelAlignment=Qt.AlignLeft,
formAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QtGui.QFormLayout.AllNonFixedFieldsGrow,
verticalSpacing=10
)
form.addRow("Max iterations:",
gui.spin(box, self, "max_iter", 10, 10 ** 4, step=1))
form.addRow("Initialization:",
gui.comboBox(box, self, "initialization",
items=["PCA (Torgerson)", "Random"],
callback=self.__invalidate_embedding))
box.layout().addLayout(form)
form.addRow("Refresh:",
gui.comboBox(
box, self, "refresh_rate",
items=[t for t, _ in OWMDS.RefreshRate],
callback=self.__invalidate_refresh))
gui.separator(box, 10)
self.runbutton = gui.button(
box, self, "Run", callback=self._toggle_run)
box = gui.vBox(self.controlArea, "Graph")
self.colorvar_model = itemmodels.VariableListModel()
common_options = dict(
sendSelectedValue=True, valueType=str, orientation=Qt.Horizontal,
labelWidth=50, contentsLength=12)
self.cb_color_value = gui.comboBox(
box, self, "color_value", label="Color:",
callback=self._on_color_index_changed, **common_options)
self.cb_color_value.setModel(self.colorvar_model)
self.shapevar_model = itemmodels.VariableListModel()
self.cb_shape_value = gui.comboBox(
box, self, "shape_value", label="Shape:",
callback=self._on_shape_index_changed, **common_options)
self.cb_shape_value.setModel(self.shapevar_model)
self.sizevar_model = itemmodels.VariableListModel()
self.cb_size_value = gui.comboBox(
box, self, "size_value", label="Size:",
callback=self._on_size_index_changed, **common_options)
self.cb_size_value.setModel(self.sizevar_model)
self.labelvar_model = itemmodels.VariableListModel()
self.cb_label_value = gui.comboBox(
box, self, "label_value", label="Label:",
callback=self._on_label_index_changed, **common_options)
self.cb_label_value.setModel(self.labelvar_model)
gui.checkBox(
gui.indentedBox(box), self, 'label_only_selected',
'Label only selected points', callback=self._on_label_index_changed)
form = QtGui.QFormLayout(
labelAlignment=Qt.AlignLeft,
formAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QtGui.QFormLayout.AllNonFixedFieldsGrow,
verticalSpacing=10
)
form.addRow("Symbol size:",
gui.hSlider(box, self, "symbol_size",
minValue=1, maxValue=20,
callback=self._on_size_index_changed,
createLabel=False))
form.addRow("Symbol opacity:",
gui.hSlider(box, self, "symbol_opacity",
minValue=100, maxValue=255, step=100,
callback=self._on_color_index_changed,
createLabel=False))
form.addRow("Show similar pairs:",
gui.hSlider(
gui.hBox(self.controlArea),
self, "connected_pairs", minValue=0, maxValue=20,
createLabel=False,
callback=self._on_connected_changed))
form.addRow("Jitter:",
gui.comboBox(
box, self, "jitter",
items=[text for text, _ in self.JitterAmount],
callback=self._update_plot))
box.layout().addLayout(form)
gui.rubber(self.controlArea)
box = QtGui.QGroupBox("Zoom/Select", )
box.setLayout(QtGui.QHBoxLayout())
box.layout().setContentsMargins(2, 2, 2, 2)
group = QtGui.QActionGroup(self, exclusive=True)
def icon(name):
path = "icons/Dlg_{}.png".format(name)
path = pkg_resources.resource_filename(widget.__name__, path)
return QtGui.QIcon(path)
action_select = QtGui.QAction(
"Select", self, checkable=True, checked=True, icon=icon("arrow"),
shortcut=QtGui.QKeySequence(Qt.ControlModifier + Qt.Key_1))
action_zoom = QtGui.QAction(
"Zoom", self, checkable=True, checked=False, icon=icon("zoom"),
shortcut=QtGui.QKeySequence(Qt.ControlModifier + Qt.Key_2))
action_pan = QtGui.QAction(
"Pan", self, checkable=True, checked=False, icon=icon("pan_hand"),
shortcut=QtGui.QKeySequence(Qt.ControlModifier + Qt.Key_3))
action_reset_zoom = QtGui.QAction(
"Zoom to fit", self, icon=icon("zoom_reset"),
shortcut=QtGui.QKeySequence(Qt.ControlModifier + Qt.Key_0))
action_reset_zoom.triggered.connect(
lambda: self.plot.autoRange(padding=0.1,
items=[self._scatter_item]))
group.addAction(action_select)
group.addAction(action_zoom)
group.addAction(action_pan)
self.addActions(group.actions() + [action_reset_zoom])
action_select.setChecked(True)
def button(action):
b = QtGui.QToolButton()
b.setToolButtonStyle(Qt.ToolButtonIconOnly)
b.setDefaultAction(action)
return b
box.layout().addWidget(button(action_select))
box.layout().addWidget(button(action_zoom))
box.layout().addWidget(button(action_pan))
box.layout().addSpacing(4)
box.layout().addWidget(button(action_reset_zoom))
box.layout().addStretch()
self.controlArea.layout().addWidget(box)
box = gui.vBox(self.controlArea, "Output")
self.output_combo = gui.comboBox(
box, self, "output_embedding_role",
items=["Original features only",
"Coordinates only",
"Coordinates as features",
"Coordinates as meta attributes"],
callback=self._invalidate_output, addSpace=4)
gui.auto_commit(box, self, "autocommit", "Send Selected",
checkbox_label="Send selected automatically",
box=None)
self.plot = pg.PlotWidget(background="w", enableMenu=False)
self.plot.setAspectLocked(True)
self.plot.getPlotItem().hideAxis("bottom")
self.plot.getPlotItem().hideAxis("left")
self.plot.getPlotItem().hideButtons()
self.plot.setRenderHint(QtGui.QPainter.Antialiasing)
self.mainArea.layout().addWidget(self.plot)
self.selection_tool = PlotSelectionTool(parent=self)
self.zoom_tool = PlotZoomTool(parent=self)
self.pan_tool = PlotPanTool(parent=self)
self.pinch_tool = PlotPinchZoomTool(parent=self)
self.pinch_tool.setViewBox(self.plot.getViewBox())
self.selection_tool.setViewBox(self.plot.getViewBox())
self.selection_tool.selectionFinished.connect(self.__selection_end)
self.current_tool = self.selection_tool
def activate_tool(action):
self.current_tool.setViewBox(None)
if action is action_select:
active, cur = self.selection_tool, Qt.ArrowCursor
elif action is action_zoom:
active, cur = self.zoom_tool, Qt.ArrowCursor
elif action is action_pan:
active, cur = self.pan_tool, Qt.OpenHandCursor
self.current_tool = active
self.current_tool.setViewBox(self.plot.getViewBox())
self.plot.getViewBox().setCursor(QtGui.QCursor(cur))
group.triggered[QtGui.QAction].connect(activate_tool)
self._initialize()
def __init__(self, parent=None):
super().__init__(parent)
self.matrix = None
self.data = None
self.matrix_data = None
self.signal_data = None
self._pen_data = None
self._shape_data = None
self._size_data = None
self._label_data = None
self._scatter_item = None
self._selection_item = None
self._selection_mask = None
self._invalidated = False
self._effective_matrix = None
self.__update_loop = None
self.__state = OWMDS.Waiting
self.__in_next_step = False
box = gui.widgetBox(self.controlArea, "MDS Optimization")
form = QtGui.QFormLayout(
labelAlignment=Qt.AlignLeft,
formAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QtGui.QFormLayout.AllNonFixedFieldsGrow,
)
form.addRow("Max iterations:",
gui.spin(box, self, "max_iter", 10, 10**4, step=1))
form.addRow(
"Initialization",
gui.comboBox(box,
self,
"initialization",
items=["PCA (Torgerson)", "Random"],
callback=self.__invalidate_embedding))
box.layout().addLayout(form)
form.addRow(
"Refresh",
gui.comboBox(box,
self,
"refresh_rate",
items=[t for t, _ in OWMDS.RefreshRate],
callback=self.__invalidate_refresh))
self.runbutton = gui.button(box,
self,
"Run",
callback=self._toggle_run)
box = gui.widgetBox(self.controlArea, "Graph")
self.colorvar_model = itemmodels.VariableListModel()
cb = gui.comboBox(box,
self,
"color_index",
box="Color",
callback=self._on_color_index_changed)
cb.setModel(self.colorvar_model)
cb.box.setFlat(True)
self.shapevar_model = itemmodels.VariableListModel()
cb = gui.comboBox(box,
self,
"shape_index",
box="Shape",
callback=self._on_shape_index_changed)
cb.setModel(self.shapevar_model)
cb.box.setFlat(True)
self.sizevar_model = itemmodels.VariableListModel()
cb = gui.comboBox(box,
self,
"size_index",
"Size",
callback=self._on_size_index_changed)
cb.setModel(self.sizevar_model)
cb.box.setFlat(True)
self.labelvar_model = itemmodels.VariableListModel()
cb = gui.comboBox(box,
self,
"label_index",
"Label",
callback=self._on_label_index_changed)
cb.setModel(self.labelvar_model)
cb.box.setFlat(True)
form = QtGui.QFormLayout(
labelAlignment=Qt.AlignLeft,
formAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QtGui.QFormLayout.AllNonFixedFieldsGrow,
)
form.addRow(
"Symbol size",
gui.hSlider(box,
self,
"symbol_size",
minValue=1,
maxValue=20,
callback=self._on_size_index_changed,
createLabel=False))
form.addRow(
"Symbol opacity",
gui.hSlider(box,
self,
"symbol_opacity",
minValue=100,
maxValue=255,
step=100,
callback=self._on_color_index_changed,
createLabel=False))
box.layout().addLayout(form)
box = QtGui.QGroupBox("Zoom/Select", )
box.setLayout(QtGui.QHBoxLayout())
group = QtGui.QActionGroup(self, exclusive=True)
def icon(name):
path = "icons/Dlg_{}.png".format(name)
path = pkg_resources.resource_filename(widget.__name__, path)
return QtGui.QIcon(path)
action_select = QtGui.QAction(
"Select",
self,
checkable=True,
checked=True,
icon=icon("arrow"),
shortcut=QtGui.QKeySequence(Qt.ControlModifier + Qt.Key_1))
action_zoom = QtGui.QAction(
"Zoom",
self,
checkable=True,
checked=False,
icon=icon("zoom"),
shortcut=QtGui.QKeySequence(Qt.ControlModifier + Qt.Key_2))
action_pan = QtGui.QAction(
"Pan",
self,
checkable=True,
checked=False,
icon=icon("pan_hand"),
shortcut=QtGui.QKeySequence(Qt.ControlModifier + Qt.Key_3))
action_reset_zoom = QtGui.QAction(
"Zoom to fit",
self,
icon=icon("zoom_reset"),
shortcut=QtGui.QKeySequence(Qt.ControlModifier + Qt.Key_0))
action_reset_zoom.triggered.connect(lambda: self.plot.autoRange())
group.addAction(action_select)
group.addAction(action_zoom)
group.addAction(action_pan)
self.addActions(group.actions() + [action_reset_zoom])
action_select.setChecked(True)
def button(action):
b = QtGui.QToolButton()
b.setToolButtonStyle(Qt.ToolButtonIconOnly)
b.setDefaultAction(action)
return b
box.layout().addWidget(button(action_select))
box.layout().addWidget(button(action_zoom))
box.layout().addWidget(button(action_pan))
box.layout().addSpacing(4)
box.layout().addWidget(button(action_reset_zoom))
box.layout().addStretch()
self.controlArea.layout().addWidget(box)
gui.rubber(self.controlArea)
box = gui.widgetBox(self.controlArea, "Output")
cb = gui.comboBox(box,
self,
"output_embedding_role",
box="Append coordinates",
items=["Do not append", "As attributes", "As metas"],
callback=self._invalidate_output)
cb.box.setFlat(True)
gui.auto_commit(box,
self,
"autocommit",
"Send data",
checkbox_label="Send after any change",
box=None)
self.plot = pg.PlotWidget(background="w", enableMenu=False)
self.mainArea.layout().addWidget(self.plot)
self.selection_tool = PlotSelectionTool(
parent=self, selectionMode=PlotSelectionTool.Lasso)
self.zoom_tool = PlotZoomTool(parent=self)
self.pan_tool = PlotPanTool(parent=self)
self.pinch_tool = PlotPinchZoomTool(parent=self)
self.pinch_tool.setViewBox(self.plot.getViewBox())
self.selection_tool.setViewBox(self.plot.getViewBox())
self.selection_tool.selectionFinished.connect(self.__selection_end)
self.current_tool = self.selection_tool
def activate_tool(action):
self.current_tool.setViewBox(None)
if action is action_select:
active, cur = self.selection_tool, Qt.ArrowCursor
elif action is action_zoom:
active, cur = self.zoom_tool, Qt.ArrowCursor
elif action is action_pan:
active, cur = self.pan_tool, Qt.OpenHandCursor
self.current_tool = active
self.current_tool.setViewBox(self.plot.getViewBox())
self.plot.getViewBox().setCursor(QtGui.QCursor(cur))
group.triggered[QtGui.QAction].connect(activate_tool)
