def __init__(self,
parent=None,
signalManager=None,
name="Linear Projection",
graphClass=None):
OWVisWidget.__init__(self, parent, signalManager, name, TRUE)
self.inputs = [("Data", ExampleTable, self.setData, Default),
("Data Subset", ExampleTable, self.setSubsetData),
("Features", AttributeList, self.setShownAttributes),
("Evaluation Results", orngTest.ExperimentResults,
self.setTestResults),
("VizRank Learner", orange.Learner,
self.setVizRankLearner),
("Distances", orange.SymMatrix, self.setDistances)]
self.outputs = [("Selected Data", ExampleTable),
("Other Data", ExampleTable),
("Features", AttributeList),
("FreeViz Learner", orange.Learner)]
# local variables
self.showAllAttributes = 0
self.valueScalingType = 0
self.autoSendSelection = 1
self.data = None
self.subsetData = None
self.distances = None
self.toolbarSelection = 0
self.classificationResults = None
self.outlierValues = None
self.attributeSelectionList = None
self.colorSettings = None
self.selectedSchemaIndex = 0
self.addProjectedPositions = 0
self.resetAnchors = 0
#add a graph widget
if graphClass:
self.graph = graphClass(self, self.mainArea, name)
else:
self.graph = OWLinProjGraph(self, self.mainArea, name)
self.mainArea.layout().addWidget(self.graph)
# graph variables
self.graph.manualPositioning = 0
self.graph.hideRadius = 0
self.graph.showAnchors = 1
self.graph.jitterContinuous = 0
self.graph.showProbabilities = 0
self.graph.useDifferentSymbols = 0
self.graph.useDifferentColors = 1
self.graph.tooltipKind = 0
self.graph.tooltipValue = 0
self.graph.scaleFactor = 1.0
self.graph.squareGranularity = 3
self.graph.spaceBetweenCells = 1
self.graph.showAxisScale = 0
self.graph.showValueLines = 0
self.graph.valueLineLength = 5
#load settings
self.loadSettings()
## # cluster dialog
## self.clusterDlg = ClusterOptimization(self, self.signalManager, self.graph, name)
## self.graph.clusterOptimization = self.clusterDlg
# optimization dialog
if name.lower() == "radviz":
self.vizrank = OWVizRank(self, self.signalManager, self.graph,
orngVizRank.RADVIZ, name)
self.connect(self.graphButton, SIGNAL("clicked()"),
self.saveToFile)
elif name.lower() == "polyviz":
self.vizrank = OWVizRank(self, self.signalManager, self.graph,
orngVizRank.POLYVIZ, name)
self.connect(self.graphButton, SIGNAL("clicked()"),
self.graph.saveToFile)
else:
self.vizrank = OWVizRank(self, self.signalManager, self.graph,
orngVizRank.LINEAR_PROJECTION, name)
self.connect(self.graphButton, SIGNAL("clicked()"),
self.saveToFile)
self.optimizationDlg = self.vizrank # for backward compatibility
self.graph.normalizeExamples = (
name.lower() == "radviz"
) # ignore settings!! if we have radviz then normalize, otherwise not.
#GUI
# add a settings dialog and initialize its values
self.tabs = OWGUI.tabWidget(self.controlArea)
self.GeneralTab = OWGUI.createTabPage(self.tabs, "Main")
self.SettingsTab = OWGUI.createTabPage(self.tabs,
"Settings",
canScroll=1)
#add controls to self.controlArea widget
self.createShowHiddenLists(self.GeneralTab,
callback=self.updateGraphAndAnchors)
self.optimizationButtons = OWGUI.widgetBox(self.GeneralTab,
"Optimization Dialogs",
orientation="horizontal")
self.vizrankButton = OWGUI.button(
self.optimizationButtons,
self,
"VizRank",
callback=self.vizrank.reshow,
tooltip=
"Opens VizRank dialog, where you can search for interesting projections with different subsets of attributes.",
debuggingEnabled=0)
self.wdChildDialogs = [self.vizrank
] # used when running widget debugging
# freeviz dialog
if name.lower() in ["linear projection", "radviz"]:
self.freeVizDlg = FreeVizOptimization(self, self.signalManager,
self.graph, name)
self.wdChildDialogs.append(self.freeVizDlg)
self.freeVizDlgButton = OWGUI.button(
self.optimizationButtons,
self,
"FreeViz",
callback=self.freeVizDlg.reshow,
tooltip=
"Opens FreeViz dialog, where the position of attribute anchors is optimized so that class separation is improved",
debuggingEnabled=0)
if name.lower() == "linear projection":
self.freeVizLearner = FreeVizLearner(self.freeVizDlg)
self.send("FreeViz Learner", self.freeVizLearner)
## self.clusterDetectionDlgButton = OWGUI.button(self.optimizationButtons, self, "Cluster", callback = self.clusterDlg.reshow, debuggingEnabled = 0)
## self.vizrankButton.setMaximumWidth(63)
## self.clusterDetectionDlgButton.setMaximumWidth(63)
## self.freeVizDlgButton.setMaximumWidth(63)
## self.connect(self.clusterDlg.startOptimizationButton , SIGNAL("clicked()"), self.optimizeClusters)
## self.connect(self.clusterDlg.resultList, SIGNAL("selectionChanged()"),self.showSelectedCluster)
self.zoomSelectToolbar = OWToolbars.ZoomSelectToolbar(
self, self.GeneralTab, self.graph, self.autoSendSelection)
self.graph.autoSendSelectionCallback = self.selectionChanged
self.connect(self.zoomSelectToolbar.buttonSendSelections,
SIGNAL("clicked()"), self.sendSelections)
# ####################################
# SETTINGS TAB
# #####
self.extraTopBox = OWGUI.widgetBox(self.SettingsTab,
orientation="vertical")
self.extraTopBox.hide()
box = OWGUI.widgetBox(self.SettingsTab, "Point Properties")
OWGUI.hSlider(box,
self,
'graph.pointWidth',
label="Size: ",
minValue=1,
maxValue=20,
step=1,
callback=self.updateGraph)
OWGUI.hSlider(box,
self,
'graph.alphaValue',
label="Transparency: ",
minValue=0,
maxValue=255,
step=10,
callback=self.updateGraph)
box = OWGUI.widgetBox(self.SettingsTab, "Jittering Options")
OWGUI.comboBoxWithCaption(box,
self,
"graph.jitterSize",
'Jittering size (% of range):',
callback=self.resetGraphData,
items=self.jitterSizeNums,
sendSelectedValue=1,
valueType=float)
OWGUI.checkBox(
box,
self,
'graph.jitterContinuous',
'Jitter continuous attributes',
callback=self.resetGraphData,
tooltip="Does jittering apply also on continuous attributes?")
box = OWGUI.widgetBox(self.SettingsTab, "Scaling Options")
OWGUI.qwtHSlider(
box,
self,
"graph.scaleFactor",
label='Inflate points by: ',
minValue=1.0,
maxValue=10.0,
step=0.1,
callback=self.updateGraph,
tooltip=
"If points lie too much together you can expand their position to improve perception",
maxWidth=90)
box = OWGUI.widgetBox(self.SettingsTab, "General Graph Settings")
#OWGUI.checkBox(box, self, 'graph.normalizeExamples', 'Normalize examples', callback = self.updateGraph)
OWGUI.checkBox(box,
self,
'graph.showLegend',
'Show legend',
callback=self.updateGraph)
bbox = OWGUI.widgetBox(box, orientation="horizontal")
OWGUI.checkBox(bbox,
self,
'graph.showValueLines',
'Show value lines ',
callback=self.updateGraph)
OWGUI.qwtHSlider(bbox,
self,
'graph.valueLineLength',
minValue=1,
maxValue=10,
step=1,
callback=self.updateGraph,
showValueLabel=0)
OWGUI.checkBox(
box,
self,
'graph.useDifferentSymbols',
'Use different symbols',
callback=self.updateGraph,
tooltip="Show different class values using different symbols")
OWGUI.checkBox(
box,
self,
'graph.useDifferentColors',
'Use different colors',
callback=self.updateGraph,
tooltip="Show different class values using different colors")
OWGUI.checkBox(box,
self,
'graph.showFilledSymbols',
'Show filled symbols',
callback=self.updateGraph)
OWGUI.checkBox(box,
self,
'graph.useAntialiasing',
'Use antialiasing',
callback=self.updateGraph)
wbox = OWGUI.widgetBox(box, orientation="horizontal")
OWGUI.checkBox(
wbox,
self,
'graph.showProbabilities',
'Show probabilities' + ' ',
callback=self.updateGraph,
tooltip="Show a background image with class probabilities")
smallWidget = OWGUI.SmallWidgetLabel(wbox,
pixmap=1,
box="Advanced settings",
tooltip="Show advanced settings")
OWGUI.rubber(wbox)
box = OWGUI.widgetBox(self.SettingsTab,
"Colors",
orientation="horizontal")
OWGUI.button(
box,
self,
"Colors",
self.setColors,
tooltip=
"Set the canvas background color and color palette for coloring variables",
debuggingEnabled=0)
box = OWGUI.widgetBox(self.SettingsTab, "Tooltips Settings")
OWGUI.comboBox(box,
self,
"graph.tooltipKind",
items=[
"Show line tooltips", "Show visible attributes",
"Show all attributes"
],
callback=self.updateGraph)
OWGUI.comboBox(
box,
self,
"graph.tooltipValue",
items=["Tooltips show data values", "Tooltips show spring values"],
callback=self.updateGraph,
tooltip=
"Do you wish that tooltips would show you original values of visualized attributes or the 'spring' values (values between 0 and 1). \nSpring values are scaled values that are used for determining the position of shown points. Observing these values will therefore enable you to \nunderstand why the points are placed where they are."
)
box = OWGUI.widgetBox(self.SettingsTab,
"Auto Send Selected Data When...")
OWGUI.checkBox(
box,
self,
'autoSendSelection',
'Adding/Removing selection areas',
callback=self.selectionChanged,
tooltip=
"Send selected data whenever a selection area is added or removed")
OWGUI.checkBox(
box,
self,
'graph.sendSelectionOnUpdate',
'Moving/Resizing selection areas',
tooltip=
"Send selected data when a user moves or resizes an existing selection area"
)
OWGUI.comboBox(box,
self,
"addProjectedPositions",
items=[
"Do not modify the domain",
"Append projection as attributes",
"Append projection as meta attributes"
],
callback=self.sendSelections)
self.selectionChanged()
box = OWGUI.widgetBox(smallWidget.widget, orientation="horizontal")
OWGUI.widgetLabel(box, "Granularity: ")
OWGUI.hSlider(box,
self,
'graph.squareGranularity',
minValue=1,
maxValue=10,
step=1,
callback=self.updateGraph)
box = OWGUI.widgetBox(smallWidget.widget, orientation="horizontal")
OWGUI.checkBox(box,
self,
'graph.spaceBetweenCells',
'Show space between cells',
callback=self.updateGraph)
self.SettingsTab.layout().addStretch(100)
self.icons = self.createAttributeIconDict()
self.debugSettings = ["hiddenAttributes", "shownAttributes"]
dlg = self.createColorDialog()
self.graph.contPalette = dlg.getContinuousPalette("contPalette")
self.graph.discPalette = dlg.getDiscretePalette("discPalette")
self.graph.setCanvasBackground(dlg.getColor("Canvas"))
apply([
self.zoomSelectToolbar.actionZooming,
self.zoomSelectToolbar.actionRectangleSelection,
self.zoomSelectToolbar.actionPolygonSelection
][self.toolbarSelection], [])
self.cbShowAllAttributes(
) # update list boxes based on the check box value
self.resize(900, 700)
def __init__(self,parent=None, signalManager = None, name = "Linear Projection", graphClass = None):
OWVisWidget.__init__(self, parent, signalManager, name, TRUE)
self.inputs = [("Data", ExampleTable, self.setData, Default),
("Data Subset", ExampleTable, self.setSubsetData),
("Features", AttributeList, self.setShownAttributes),
("Evaluation Results", orngTest.ExperimentResults, self.setTestResults),
("VizRank Learner", orange.Learner, self.setVizRankLearner),
("Distances", orange.SymMatrix, self.setDistances)]
self.outputs = [("Selected Data", ExampleTable), ("Other Data", ExampleTable), ("Features", AttributeList), ("FreeViz Learner", orange.Learner)]
# local variables
self.showAllAttributes = 0
self.valueScalingType = 0
self.autoSendSelection = 1
self.data = None
self.subsetData = None
self.distances = None
self.toolbarSelection = 0
self.classificationResults = None
self.outlierValues = None
self.attributeSelectionList = None
self.colorSettings = None
self.selectedSchemaIndex = 0
self.addProjectedPositions = 0
self.resetAnchors = 0
#add a graph widget
if graphClass:
self.graph = graphClass(self, self.mainArea, name)
else:
self.graph = OWLinProjGraph(self, self.mainArea, name)
self.mainArea.layout().addWidget(self.graph)
# graph variables
self.graph.manualPositioning = 0
self.graph.hideRadius = 0
self.graph.showAnchors = 1
self.graph.jitterContinuous = 0
self.graph.showProbabilities = 0
self.graph.useDifferentSymbols = 0
self.graph.useDifferentColors = 1
self.graph.tooltipKind = 0
self.graph.tooltipValue = 0
self.graph.scaleFactor = 1.0
self.graph.squareGranularity = 3
self.graph.spaceBetweenCells = 1
self.graph.showAxisScale = 0
self.graph.showValueLines = 0
self.graph.valueLineLength = 5
#load settings
self.loadSettings()
## # cluster dialog
## self.clusterDlg = ClusterOptimization(self, self.signalManager, self.graph, name)
## self.graph.clusterOptimization = self.clusterDlg
# optimization dialog
if name.lower() == "radviz":
self.vizrank = OWVizRank(self, self.signalManager, self.graph, orngVizRank.RADVIZ, name)
self.connect(self.graphButton, SIGNAL("clicked()"), self.saveToFile)
elif name.lower() == "polyviz":
self.vizrank = OWVizRank(self, self.signalManager, self.graph, orngVizRank.POLYVIZ, name)
self.connect(self.graphButton, SIGNAL("clicked()"), self.graph.saveToFile)
else:
self.vizrank = OWVizRank(self, self.signalManager, self.graph, orngVizRank.LINEAR_PROJECTION, name)
self.connect(self.graphButton, SIGNAL("clicked()"), self.saveToFile)
self.optimizationDlg = self.vizrank # for backward compatibility
self.graph.normalizeExamples = (name.lower() == "radviz") # ignore settings!! if we have radviz then normalize, otherwise not.
#GUI
# add a settings dialog and initialize its values
self.tabs = OWGUI.tabWidget(self.controlArea)
self.GeneralTab = OWGUI.createTabPage(self.tabs, "Main")
self.SettingsTab = OWGUI.createTabPage(self.tabs, "Settings", canScroll = 1)
#add controls to self.controlArea widget
self.createShowHiddenLists(self.GeneralTab, callback = self.updateGraphAndAnchors)
self.optimizationButtons = OWGUI.widgetBox(self.GeneralTab, "Optimization Dialogs", orientation = "horizontal")
self.vizrankButton = OWGUI.button(self.optimizationButtons, self, "VizRank", callback = self.vizrank.reshow, tooltip = "Opens VizRank dialog, where you can search for interesting projections with different subsets of attributes.", debuggingEnabled = 0)
self.wdChildDialogs = [self.vizrank] # used when running widget debugging
# freeviz dialog
if name.lower() in ["linear projection", "radviz"]:
self.freeVizDlg = FreeVizOptimization(self, self.signalManager, self.graph, name)
self.wdChildDialogs.append(self.freeVizDlg)
self.freeVizDlgButton = OWGUI.button(self.optimizationButtons, self, "FreeViz", callback = self.freeVizDlg.reshow, tooltip = "Opens FreeViz dialog, where the position of attribute anchors is optimized so that class separation is improved", debuggingEnabled = 0)
if name.lower() == "linear projection":
self.freeVizLearner = FreeVizLearner(self.freeVizDlg)
self.send("FreeViz Learner", self.freeVizLearner)
## self.clusterDetectionDlgButton = OWGUI.button(self.optimizationButtons, self, "Cluster", callback = self.clusterDlg.reshow, debuggingEnabled = 0)
## self.vizrankButton.setMaximumWidth(63)
## self.clusterDetectionDlgButton.setMaximumWidth(63)
## self.freeVizDlgButton.setMaximumWidth(63)
## self.connect(self.clusterDlg.startOptimizationButton , SIGNAL("clicked()"), self.optimizeClusters)
## self.connect(self.clusterDlg.resultList, SIGNAL("selectionChanged()"),self.showSelectedCluster)
self.zoomSelectToolbar = OWToolbars.ZoomSelectToolbar(self, self.GeneralTab, self.graph, self.autoSendSelection)
self.graph.autoSendSelectionCallback = self.selectionChanged
self.connect(self.zoomSelectToolbar.buttonSendSelections, SIGNAL("clicked()"), self.sendSelections)
# ####################################
# SETTINGS TAB
# #####
self.extraTopBox = OWGUI.widgetBox(self.SettingsTab, orientation = "vertical")
self.extraTopBox.hide()
box = OWGUI.widgetBox(self.SettingsTab, "Point Properties")
OWGUI.hSlider(box, self, 'graph.pointWidth', label = "Size: ", minValue=1, maxValue=20, step=1, callback = self.updateGraph)
OWGUI.hSlider(box, self, 'graph.alphaValue', label = "Transparency: ", minValue=0, maxValue=255, step=10, callback = self.updateGraph)
box = OWGUI.widgetBox(self.SettingsTab, "Jittering Options")
OWGUI.comboBoxWithCaption(box, self, "graph.jitterSize", 'Jittering size (% of range):', callback = self.resetGraphData, items = self.jitterSizeNums, sendSelectedValue = 1, valueType = float)
OWGUI.checkBox(box, self, 'graph.jitterContinuous', 'Jitter continuous attributes', callback = self.resetGraphData, tooltip = "Does jittering apply also on continuous attributes?")
box = OWGUI.widgetBox(self.SettingsTab, "Scaling Options")
OWGUI.qwtHSlider(box, self, "graph.scaleFactor", label = 'Inflate points by: ', minValue=1.0, maxValue= 10.0, step=0.1, callback = self.updateGraph, tooltip="If points lie too much together you can expand their position to improve perception", maxWidth = 90)
box = OWGUI.widgetBox(self.SettingsTab, "General Graph Settings")
#OWGUI.checkBox(box, self, 'graph.normalizeExamples', 'Normalize examples', callback = self.updateGraph)
OWGUI.checkBox(box, self, 'graph.showLegend', 'Show legend', callback = self.updateGraph)
bbox = OWGUI.widgetBox(box, orientation = "horizontal")
OWGUI.checkBox(bbox, self, 'graph.showValueLines', 'Show value lines ', callback = self.updateGraph)
OWGUI.qwtHSlider(bbox, self, 'graph.valueLineLength', minValue=1, maxValue=10, step=1, callback = self.updateGraph, showValueLabel = 0)
OWGUI.checkBox(box, self, 'graph.useDifferentSymbols', 'Use different symbols', callback = self.updateGraph, tooltip = "Show different class values using different symbols")
OWGUI.checkBox(box, self, 'graph.useDifferentColors', 'Use different colors', callback = self.updateGraph, tooltip = "Show different class values using different colors")
OWGUI.checkBox(box, self, 'graph.showFilledSymbols', 'Show filled symbols', callback = self.updateGraph)
OWGUI.checkBox(box, self, 'graph.useAntialiasing', 'Use antialiasing', callback = self.updateGraph)
wbox = OWGUI.widgetBox(box, orientation = "horizontal")
OWGUI.checkBox(wbox, self, 'graph.showProbabilities', 'Show probabilities'+' ', callback = self.updateGraph, tooltip = "Show a background image with class probabilities")
smallWidget = OWGUI.SmallWidgetLabel(wbox, pixmap = 1, box = "Advanced settings", tooltip = "Show advanced settings")
OWGUI.rubber(wbox)
box = OWGUI.widgetBox(self.SettingsTab, "Colors", orientation = "horizontal")
OWGUI.button(box, self, "Colors", self.setColors, tooltip = "Set the canvas background color and color palette for coloring variables", debuggingEnabled = 0)
box = OWGUI.widgetBox(self.SettingsTab, "Tooltips Settings")
OWGUI.comboBox(box, self, "graph.tooltipKind", items = ["Show line tooltips", "Show visible attributes", "Show all attributes"], callback = self.updateGraph)
OWGUI.comboBox(box, self, "graph.tooltipValue", items = ["Tooltips show data values", "Tooltips show spring values"], callback = self.updateGraph, tooltip = "Do you wish that tooltips would show you original values of visualized attributes or the 'spring' values (values between 0 and 1). \nSpring values are scaled values that are used for determining the position of shown points. Observing these values will therefore enable you to \nunderstand why the points are placed where they are.")
box = OWGUI.widgetBox(self.SettingsTab, "Auto Send Selected Data When...")
OWGUI.checkBox(box, self, 'autoSendSelection', 'Adding/Removing selection areas', callback = self.selectionChanged, tooltip = "Send selected data whenever a selection area is added or removed")
OWGUI.checkBox(box, self, 'graph.sendSelectionOnUpdate', 'Moving/Resizing selection areas', tooltip = "Send selected data when a user moves or resizes an existing selection area")
OWGUI.comboBox(box, self, "addProjectedPositions", items = ["Do not modify the domain", "Append projection as attributes", "Append projection as meta attributes"], callback = self.sendSelections)
self.selectionChanged()
box = OWGUI.widgetBox(smallWidget.widget, orientation = "horizontal")
OWGUI.widgetLabel(box, "Granularity: ")
OWGUI.hSlider(box, self, 'graph.squareGranularity', minValue=1, maxValue=10, step=1, callback = self.updateGraph)
box = OWGUI.widgetBox(smallWidget.widget, orientation = "horizontal")
OWGUI.checkBox(box, self, 'graph.spaceBetweenCells', 'Show space between cells', callback = self.updateGraph)
self.SettingsTab.layout().addStretch(100)
self.icons = self.createAttributeIconDict()
self.debugSettings = ["hiddenAttributes", "shownAttributes"]
dlg = self.createColorDialog()
self.graph.contPalette = dlg.getContinuousPalette("contPalette")
self.graph.discPalette = dlg.getDiscretePalette("discPalette")
self.graph.setCanvasBackground(dlg.getColor("Canvas"))
apply([self.zoomSelectToolbar.actionZooming, self.zoomSelectToolbar.actionRectangleSelection, self.zoomSelectToolbar.actionPolygonSelection][self.toolbarSelection], [])
self.cbShowAllAttributes() # update list boxes based on the check box value
self.resize(900, 700)
class OWLinProj(OWVisWidget):
settingsList = [
"graph.pointWidth", "graph.jitterSize", "graph.showFilledSymbols",
"graph.scaleFactor", "graph.showLegend", "graph.useDifferentSymbols",
"autoSendSelection", "graph.useDifferentColors",
"graph.showValueLines", "graph.tooltipKind", "graph.tooltipValue",
"toolbarSelection", "graph.alphaValue", "graph.showProbabilities",
"graph.squareGranularity", "graph.spaceBetweenCells",
"graph.useAntialiasing"
"valueScalingType", "showAllAttributes", "colorSettings",
"selectedSchemaIndex", "addProjectedPositions"
]
jitterSizeNums = [0.0, 0.01, 0.1, 0.5, 1, 2, 3, 4, 5, 7, 10, 15, 20]
contextHandlers = {
"":
DomainContextHandler("", [
ContextField("shownAttributes",
DomainContextHandler.RequiredList,
selected="selectedShown",
reservoir="hiddenAttributes")
])
}
def __init__(self,
parent=None,
signalManager=None,
name="Linear Projection",
graphClass=None):
OWVisWidget.__init__(self, parent, signalManager, name, TRUE)
self.inputs = [("Data", ExampleTable, self.setData, Default),
("Data Subset", ExampleTable, self.setSubsetData),
("Features", AttributeList, self.setShownAttributes),
("Evaluation Results", orngTest.ExperimentResults,
self.setTestResults),
("VizRank Learner", orange.Learner,
self.setVizRankLearner),
("Distances", orange.SymMatrix, self.setDistances)]
self.outputs = [("Selected Data", ExampleTable),
("Other Data", ExampleTable),
("Features", AttributeList),
("FreeViz Learner", orange.Learner)]
# local variables
self.showAllAttributes = 0
self.valueScalingType = 0
self.autoSendSelection = 1
self.data = None
self.subsetData = None
self.distances = None
self.toolbarSelection = 0
self.classificationResults = None
self.outlierValues = None
self.attributeSelectionList = None
self.colorSettings = None
self.selectedSchemaIndex = 0
self.addProjectedPositions = 0
self.resetAnchors = 0
#add a graph widget
if graphClass:
self.graph = graphClass(self, self.mainArea, name)
else:
self.graph = OWLinProjGraph(self, self.mainArea, name)
self.mainArea.layout().addWidget(self.graph)
# graph variables
self.graph.manualPositioning = 0
self.graph.hideRadius = 0
self.graph.showAnchors = 1
self.graph.jitterContinuous = 0
self.graph.showProbabilities = 0
self.graph.useDifferentSymbols = 0
self.graph.useDifferentColors = 1
self.graph.tooltipKind = 0
self.graph.tooltipValue = 0
self.graph.scaleFactor = 1.0
self.graph.squareGranularity = 3
self.graph.spaceBetweenCells = 1
self.graph.showAxisScale = 0
self.graph.showValueLines = 0
self.graph.valueLineLength = 5
#load settings
self.loadSettings()
## # cluster dialog
## self.clusterDlg = ClusterOptimization(self, self.signalManager, self.graph, name)
## self.graph.clusterOptimization = self.clusterDlg
# optimization dialog
if name.lower() == "radviz":
self.vizrank = OWVizRank(self, self.signalManager, self.graph,
orngVizRank.RADVIZ, name)
self.connect(self.graphButton, SIGNAL("clicked()"),
self.saveToFile)
elif name.lower() == "polyviz":
self.vizrank = OWVizRank(self, self.signalManager, self.graph,
orngVizRank.POLYVIZ, name)
self.connect(self.graphButton, SIGNAL("clicked()"),
self.graph.saveToFile)
else:
self.vizrank = OWVizRank(self, self.signalManager, self.graph,
orngVizRank.LINEAR_PROJECTION, name)
self.connect(self.graphButton, SIGNAL("clicked()"),
self.saveToFile)
self.optimizationDlg = self.vizrank # for backward compatibility
self.graph.normalizeExamples = (
name.lower() == "radviz"
) # ignore settings!! if we have radviz then normalize, otherwise not.
#GUI
# add a settings dialog and initialize its values
self.tabs = OWGUI.tabWidget(self.controlArea)
self.GeneralTab = OWGUI.createTabPage(self.tabs, "Main")
self.SettingsTab = OWGUI.createTabPage(self.tabs,
"Settings",
canScroll=1)
#add controls to self.controlArea widget
self.createShowHiddenLists(self.GeneralTab,
callback=self.updateGraphAndAnchors)
self.optimizationButtons = OWGUI.widgetBox(self.GeneralTab,
"Optimization Dialogs",
orientation="horizontal")
self.vizrankButton = OWGUI.button(
self.optimizationButtons,
self,
"VizRank",
callback=self.vizrank.reshow,
tooltip=
"Opens VizRank dialog, where you can search for interesting projections with different subsets of attributes.",
debuggingEnabled=0)
self.wdChildDialogs = [self.vizrank
] # used when running widget debugging
# freeviz dialog
if name.lower() in ["linear projection", "radviz"]:
self.freeVizDlg = FreeVizOptimization(self, self.signalManager,
self.graph, name)
self.wdChildDialogs.append(self.freeVizDlg)
self.freeVizDlgButton = OWGUI.button(
self.optimizationButtons,
self,
"FreeViz",
callback=self.freeVizDlg.reshow,
tooltip=
"Opens FreeViz dialog, where the position of attribute anchors is optimized so that class separation is improved",
debuggingEnabled=0)
if name.lower() == "linear projection":
self.freeVizLearner = FreeVizLearner(self.freeVizDlg)
self.send("FreeViz Learner", self.freeVizLearner)
## self.clusterDetectionDlgButton = OWGUI.button(self.optimizationButtons, self, "Cluster", callback = self.clusterDlg.reshow, debuggingEnabled = 0)
## self.vizrankButton.setMaximumWidth(63)
## self.clusterDetectionDlgButton.setMaximumWidth(63)
## self.freeVizDlgButton.setMaximumWidth(63)
## self.connect(self.clusterDlg.startOptimizationButton , SIGNAL("clicked()"), self.optimizeClusters)
## self.connect(self.clusterDlg.resultList, SIGNAL("selectionChanged()"),self.showSelectedCluster)
self.zoomSelectToolbar = OWToolbars.ZoomSelectToolbar(
self, self.GeneralTab, self.graph, self.autoSendSelection)
self.graph.autoSendSelectionCallback = self.selectionChanged
self.connect(self.zoomSelectToolbar.buttonSendSelections,
SIGNAL("clicked()"), self.sendSelections)
# ####################################
# SETTINGS TAB
# #####
self.extraTopBox = OWGUI.widgetBox(self.SettingsTab,
orientation="vertical")
self.extraTopBox.hide()
box = OWGUI.widgetBox(self.SettingsTab, "Point Properties")
OWGUI.hSlider(box,
self,
'graph.pointWidth',
label="Size: ",
minValue=1,
maxValue=20,
step=1,
callback=self.updateGraph)
OWGUI.hSlider(box,
self,
'graph.alphaValue',
label="Transparency: ",
minValue=0,
maxValue=255,
step=10,
callback=self.updateGraph)
box = OWGUI.widgetBox(self.SettingsTab, "Jittering Options")
OWGUI.comboBoxWithCaption(box,
self,
"graph.jitterSize",
'Jittering size (% of range):',
callback=self.resetGraphData,
items=self.jitterSizeNums,
sendSelectedValue=1,
valueType=float)
OWGUI.checkBox(
box,
self,
'graph.jitterContinuous',
'Jitter continuous attributes',
callback=self.resetGraphData,
tooltip="Does jittering apply also on continuous attributes?")
box = OWGUI.widgetBox(self.SettingsTab, "Scaling Options")
OWGUI.qwtHSlider(
box,
self,
"graph.scaleFactor",
label='Inflate points by: ',
minValue=1.0,
maxValue=10.0,
step=0.1,
callback=self.updateGraph,
tooltip=
"If points lie too much together you can expand their position to improve perception",
maxWidth=90)
box = OWGUI.widgetBox(self.SettingsTab, "General Graph Settings")
#OWGUI.checkBox(box, self, 'graph.normalizeExamples', 'Normalize examples', callback = self.updateGraph)
OWGUI.checkBox(box,
self,
'graph.showLegend',
'Show legend',
callback=self.updateGraph)
bbox = OWGUI.widgetBox(box, orientation="horizontal")
OWGUI.checkBox(bbox,
self,
'graph.showValueLines',
'Show value lines ',
callback=self.updateGraph)
OWGUI.qwtHSlider(bbox,
self,
'graph.valueLineLength',
minValue=1,
maxValue=10,
step=1,
callback=self.updateGraph,
showValueLabel=0)
OWGUI.checkBox(
box,
self,
'graph.useDifferentSymbols',
'Use different symbols',
callback=self.updateGraph,
tooltip="Show different class values using different symbols")
OWGUI.checkBox(
box,
self,
'graph.useDifferentColors',
'Use different colors',
callback=self.updateGraph,
tooltip="Show different class values using different colors")
OWGUI.checkBox(box,
self,
'graph.showFilledSymbols',
'Show filled symbols',
callback=self.updateGraph)
OWGUI.checkBox(box,
self,
'graph.useAntialiasing',
'Use antialiasing',
callback=self.updateGraph)
wbox = OWGUI.widgetBox(box, orientation="horizontal")
OWGUI.checkBox(
wbox,
self,
'graph.showProbabilities',
'Show probabilities' + ' ',
callback=self.updateGraph,
tooltip="Show a background image with class probabilities")
smallWidget = OWGUI.SmallWidgetLabel(wbox,
pixmap=1,
box="Advanced settings",
tooltip="Show advanced settings")
OWGUI.rubber(wbox)
box = OWGUI.widgetBox(self.SettingsTab,
"Colors",
orientation="horizontal")
OWGUI.button(
box,
self,
"Colors",
self.setColors,
tooltip=
"Set the canvas background color and color palette for coloring variables",
debuggingEnabled=0)
box = OWGUI.widgetBox(self.SettingsTab, "Tooltips Settings")
OWGUI.comboBox(box,
self,
"graph.tooltipKind",
items=[
"Show line tooltips", "Show visible attributes",
"Show all attributes"
],
callback=self.updateGraph)
OWGUI.comboBox(
box,
self,
"graph.tooltipValue",
items=["Tooltips show data values", "Tooltips show spring values"],
callback=self.updateGraph,
tooltip=
"Do you wish that tooltips would show you original values of visualized attributes or the 'spring' values (values between 0 and 1). \nSpring values are scaled values that are used for determining the position of shown points. Observing these values will therefore enable you to \nunderstand why the points are placed where they are."
)
box = OWGUI.widgetBox(self.SettingsTab,
"Auto Send Selected Data When...")
OWGUI.checkBox(
box,
self,
'autoSendSelection',
'Adding/Removing selection areas',
callback=self.selectionChanged,
tooltip=
"Send selected data whenever a selection area is added or removed")
OWGUI.checkBox(
box,
self,
'graph.sendSelectionOnUpdate',
'Moving/Resizing selection areas',
tooltip=
"Send selected data when a user moves or resizes an existing selection area"
)
OWGUI.comboBox(box,
self,
"addProjectedPositions",
items=[
"Do not modify the domain",
"Append projection as attributes",
"Append projection as meta attributes"
],
callback=self.sendSelections)
self.selectionChanged()
box = OWGUI.widgetBox(smallWidget.widget, orientation="horizontal")
OWGUI.widgetLabel(box, "Granularity: ")
OWGUI.hSlider(box,
self,
'graph.squareGranularity',
minValue=1,
maxValue=10,
step=1,
callback=self.updateGraph)
box = OWGUI.widgetBox(smallWidget.widget, orientation="horizontal")
OWGUI.checkBox(box,
self,
'graph.spaceBetweenCells',
'Show space between cells',
callback=self.updateGraph)
self.SettingsTab.layout().addStretch(100)
self.icons = self.createAttributeIconDict()
self.debugSettings = ["hiddenAttributes", "shownAttributes"]
dlg = self.createColorDialog()
self.graph.contPalette = dlg.getContinuousPalette("contPalette")
self.graph.discPalette = dlg.getDiscretePalette("discPalette")
self.graph.setCanvasBackground(dlg.getColor("Canvas"))
apply([
self.zoomSelectToolbar.actionZooming,
self.zoomSelectToolbar.actionRectangleSelection,
self.zoomSelectToolbar.actionPolygonSelection
][self.toolbarSelection], [])
self.cbShowAllAttributes(
) # update list boxes based on the check box value
self.resize(900, 700)
def saveToFile(self):
self.graph.saveToFile([("Save PicTex", self.graph.savePicTeX)])
# #########################
# KNN OPTIMIZATION BUTTON EVENTS
# #########################
def saveCurrentProjection(self):
qname = QFileDialog.getSaveFileName(
self, "Save File",
os.path.realpath(".") + "/Linear_projection.tab",
"Orange Example Table (*.tab)")
if qname.isEmpty(): return
name = str(qname)
if len(name) < 4 or name[-4] != ".":
name = name + ".tab"
self.graph.saveProjectionAsTabData(name, self.getShownAttributeList())
# send signals with selected and unselected examples as two datasets
def sendSelections(self):
if not self.data: return
(selected, unselected) = self.graph.getSelectionsAsExampleTables(
self.getShownAttributeList(),
addProjectedPositions=self.addProjectedPositions)
self.send("Selected Data", selected)
self.send("Other Data", unselected)
def sendShownAttributes(self):
self.send("Features", [a[0] for a in self.shownAttributes])
# show selected interesting projection
def showSelectedAttributes(self):
val = self.vizrank.getSelectedProjection()
if val:
(accuracy, other_results, tableLen, attrList, tryIndex,
generalDict) = val
self.updateGraph(attrList,
setAnchors=1,
XAnchors=generalDict.get("XAnchors"),
YAnchors=generalDict.get("YAnchors"))
self.graph.removeAllSelections()
def updateGraphAndAnchors(self):
self.updateGraph(setAnchors=1)
def updateGraph(self,
attrList=None,
setAnchors=0,
insideColors=None,
**args):
if not attrList:
attrList = self.getShownAttributeList()
else:
self.setShownAttributeList(attrList)
self.graph.showKNN = 0
if self.graph.dataHasDiscreteClass:
self.graph.showKNN = (
self.vizrank.showKNNCorrectButton.isChecked()
and 1) or (self.vizrank.showKNNCorrectButton.isChecked() and 2)
self.graph.insideColors = insideColors or self.classificationResults or self.outlierValues
self.graph.updateData(attrList, setAnchors, **args)
# ###############################################################################################################
# INPUT SIGNALS
# receive new data and update all fields
def setData(self, data):
if data is not None and (len(data) == 0 or len(data.domain) == 0):
data = None
if self.data and data and self.data.checksum() == data.checksum():
return # check if the new data set is the same as the old one
self.closeContext()
sameDomain = self.data and data and data.domain.checksum(
) == self.data.domain.checksum(
) # preserve attribute choice if the domain is the same
self.resetAnchors = not sameDomain
self.data = data
self.classificationResults = None
self.outlierValues = None
self.vizrank.clearResults()
if hasattr(self, "freeVizDlg"):
self.freeVizDlg.clearData()
## self.clusterDlg.setData(data)
if not sameDomain:
self.setShownAttributeList(self.attributeSelectionList)
self.openContext("", self.data)
self.resetAttrManipulation()
def setSubsetData(self, subsetData):
self.subsetData = subsetData
self.vizrank.clearArguments()
def setDistances(self, distances):
self.distances = distances
# attribute selection signal - info about which attributes to show
def setShownAttributes(self, attributeSelectionList):
self.attributeSelectionList = attributeSelectionList
self.resetAnchors = 1
# this is called by OWBaseWidget after setData and setSubsetData are called. this way the graph is updated only once
def handleNewSignals(self):
self.graph.setData(self.data, self.subsetData)
self.graph.clear()
self.vizrank.resetDialog()
if self.attributeSelectionList and 0 not in [
self.graph.attributeNameIndex.has_key(attr)
for attr in self.attributeSelectionList
]:
self.setShownAttributeList(self.attributeSelectionList)
self.attributeSelectionList = None
self.updateGraph(setAnchors=self.resetAnchors)
self.sendSelections()
self.resetAnchors = 0
# visualize the results of the classification
def setTestResults(self, results):
self.classificationResults = None
if isinstance(results, orngTest.ExperimentResults) and len(
results.results) > 0 and len(
results.results[0].probabilities) > 0:
self.classificationResults = ([
results.results[i].probabilities[0][
results.results[i].actualClass]
for i in range(len(results.results))
], "Probability of correct classificatioin = %.2f%%")
self.resetAnchors += 1
# set the learning method to be used in VizRank
def setVizRankLearner(self, learner):
self.vizrank.externalLearner = learner
# EVENTS
def resetGraphData(self):
self.graph.rescaleData()
self.updateGraph()
def selectionChanged(self):
self.zoomSelectToolbar.buttonSendSelections.setEnabled(
not self.autoSendSelection)
if self.autoSendSelection:
self.sendSelections()
def setColors(self):
dlg = self.createColorDialog()
if dlg.exec_():
self.colorSettings = dlg.getColorSchemas()
self.selectedSchemaIndex = dlg.selectedSchemaIndex
self.graph.contPalette = dlg.getContinuousPalette("contPalette")
self.graph.discPalette = dlg.getDiscretePalette("discPalette")
self.graph.setCanvasBackground(dlg.getColor("Canvas"))
self.updateGraph()
def createColorDialog(self):
c = OWColorPalette.ColorPaletteDlg(self, "Color palette")
c.createDiscretePalette("discPalette", "Discrete Palette")
c.createContinuousPalette("contPalette", "Continuous Palette")
box = c.createBox("otherColors", "Other Colors")
c.createColorButton(box, "Canvas", "Canvas color", QColor(Qt.white))
c.setColorSchemas(self.colorSettings, self.selectedSchemaIndex)
return c
def saveSettings(self):
OWWidget.saveSettings(self)
self.vizrank.saveSettings()
if hasattr(self, "freeVizDlg"):
self.freeVizDlg.saveSettings()
def hideEvent(self, ev):
self.vizrank.hide()
if hasattr(self, "freeVizDlg"):
self.freeVizDlg.hide()
OWVisWidget.hideEvent(self, ev)
def sendReport(self):
self.reportImage(self.graph.saveToFileDirect, QSize(500, 500))
class OWLinProj(OWVisWidget):
settingsList = ["graph.pointWidth", "graph.jitterSize", "graph.showFilledSymbols", "graph.scaleFactor",
"graph.showLegend", "graph.useDifferentSymbols", "autoSendSelection", "graph.useDifferentColors", "graph.showValueLines",
"graph.tooltipKind", "graph.tooltipValue", "toolbarSelection", "graph.alphaValue",
"graph.showProbabilities", "graph.squareGranularity", "graph.spaceBetweenCells", "graph.useAntialiasing"
"valueScalingType", "showAllAttributes", "colorSettings", "selectedSchemaIndex", "addProjectedPositions"]
jitterSizeNums = [0.0, 0.01, 0.1, 0.5, 1, 2, 3, 4, 5, 7, 10, 15, 20]
contextHandlers = {"": DomainContextHandler("", [ContextField("shownAttributes", DomainContextHandler.RequiredList, selected="selectedShown", reservoir="hiddenAttributes")])}
def __init__(self,parent=None, signalManager = None, name = "Linear Projection", graphClass = None):
OWVisWidget.__init__(self, parent, signalManager, name, TRUE)
self.inputs = [("Data", ExampleTable, self.setData, Default),
("Data Subset", ExampleTable, self.setSubsetData),
("Features", AttributeList, self.setShownAttributes),
("Evaluation Results", orngTest.ExperimentResults, self.setTestResults),
("VizRank Learner", orange.Learner, self.setVizRankLearner),
("Distances", orange.SymMatrix, self.setDistances)]
self.outputs = [("Selected Data", ExampleTable), ("Other Data", ExampleTable), ("Features", AttributeList), ("FreeViz Learner", orange.Learner)]
# local variables
self.showAllAttributes = 0
self.valueScalingType = 0
self.autoSendSelection = 1
self.data = None
self.subsetData = None
self.distances = None
self.toolbarSelection = 0
self.classificationResults = None
self.outlierValues = None
self.attributeSelectionList = None
self.colorSettings = None
self.selectedSchemaIndex = 0
self.addProjectedPositions = 0
self.resetAnchors = 0
#add a graph widget
if graphClass:
self.graph = graphClass(self, self.mainArea, name)
else:
self.graph = OWLinProjGraph(self, self.mainArea, name)
self.mainArea.layout().addWidget(self.graph)
# graph variables
self.graph.manualPositioning = 0
self.graph.hideRadius = 0
self.graph.showAnchors = 1
self.graph.jitterContinuous = 0
self.graph.showProbabilities = 0
self.graph.useDifferentSymbols = 0
self.graph.useDifferentColors = 1
self.graph.tooltipKind = 0
self.graph.tooltipValue = 0
self.graph.scaleFactor = 1.0
self.graph.squareGranularity = 3
self.graph.spaceBetweenCells = 1
self.graph.showAxisScale = 0
self.graph.showValueLines = 0
self.graph.valueLineLength = 5
#load settings
self.loadSettings()
## # cluster dialog
## self.clusterDlg = ClusterOptimization(self, self.signalManager, self.graph, name)
## self.graph.clusterOptimization = self.clusterDlg
# optimization dialog
if name.lower() == "radviz":
self.vizrank = OWVizRank(self, self.signalManager, self.graph, orngVizRank.RADVIZ, name)
self.connect(self.graphButton, SIGNAL("clicked()"), self.saveToFile)
elif name.lower() == "polyviz":
self.vizrank = OWVizRank(self, self.signalManager, self.graph, orngVizRank.POLYVIZ, name)
self.connect(self.graphButton, SIGNAL("clicked()"), self.graph.saveToFile)
else:
self.vizrank = OWVizRank(self, self.signalManager, self.graph, orngVizRank.LINEAR_PROJECTION, name)
self.connect(self.graphButton, SIGNAL("clicked()"), self.saveToFile)
self.optimizationDlg = self.vizrank # for backward compatibility
self.graph.normalizeExamples = (name.lower() == "radviz") # ignore settings!! if we have radviz then normalize, otherwise not.
#GUI
# add a settings dialog and initialize its values
self.tabs = OWGUI.tabWidget(self.controlArea)
self.GeneralTab = OWGUI.createTabPage(self.tabs, "Main")
self.SettingsTab = OWGUI.createTabPage(self.tabs, "Settings", canScroll = 1)
#add controls to self.controlArea widget
self.createShowHiddenLists(self.GeneralTab, callback = self.updateGraphAndAnchors)
self.optimizationButtons = OWGUI.widgetBox(self.GeneralTab, "Optimization Dialogs", orientation = "horizontal")
self.vizrankButton = OWGUI.button(self.optimizationButtons, self, "VizRank", callback = self.vizrank.reshow, tooltip = "Opens VizRank dialog, where you can search for interesting projections with different subsets of attributes.", debuggingEnabled = 0)
self.wdChildDialogs = [self.vizrank] # used when running widget debugging
# freeviz dialog
if name.lower() in ["linear projection", "radviz"]:
self.freeVizDlg = FreeVizOptimization(self, self.signalManager, self.graph, name)
self.wdChildDialogs.append(self.freeVizDlg)
self.freeVizDlgButton = OWGUI.button(self.optimizationButtons, self, "FreeViz", callback = self.freeVizDlg.reshow, tooltip = "Opens FreeViz dialog, where the position of attribute anchors is optimized so that class separation is improved", debuggingEnabled = 0)
if name.lower() == "linear projection":
self.freeVizLearner = FreeVizLearner(self.freeVizDlg)
self.send("FreeViz Learner", self.freeVizLearner)
## self.clusterDetectionDlgButton = OWGUI.button(self.optimizationButtons, self, "Cluster", callback = self.clusterDlg.reshow, debuggingEnabled = 0)
## self.vizrankButton.setMaximumWidth(63)
## self.clusterDetectionDlgButton.setMaximumWidth(63)
## self.freeVizDlgButton.setMaximumWidth(63)
## self.connect(self.clusterDlg.startOptimizationButton , SIGNAL("clicked()"), self.optimizeClusters)
## self.connect(self.clusterDlg.resultList, SIGNAL("selectionChanged()"),self.showSelectedCluster)
self.zoomSelectToolbar = OWToolbars.ZoomSelectToolbar(self, self.GeneralTab, self.graph, self.autoSendSelection)
self.graph.autoSendSelectionCallback = self.selectionChanged
self.connect(self.zoomSelectToolbar.buttonSendSelections, SIGNAL("clicked()"), self.sendSelections)
# ####################################
# SETTINGS TAB
# #####
self.extraTopBox = OWGUI.widgetBox(self.SettingsTab, orientation = "vertical")
self.extraTopBox.hide()
box = OWGUI.widgetBox(self.SettingsTab, "Point Properties")
OWGUI.hSlider(box, self, 'graph.pointWidth', label = "Size: ", minValue=1, maxValue=20, step=1, callback = self.updateGraph)
OWGUI.hSlider(box, self, 'graph.alphaValue', label = "Transparency: ", minValue=0, maxValue=255, step=10, callback = self.updateGraph)
box = OWGUI.widgetBox(self.SettingsTab, "Jittering Options")
OWGUI.comboBoxWithCaption(box, self, "graph.jitterSize", 'Jittering size (% of range):', callback = self.resetGraphData, items = self.jitterSizeNums, sendSelectedValue = 1, valueType = float)
OWGUI.checkBox(box, self, 'graph.jitterContinuous', 'Jitter continuous attributes', callback = self.resetGraphData, tooltip = "Does jittering apply also on continuous attributes?")
box = OWGUI.widgetBox(self.SettingsTab, "Scaling Options")
OWGUI.qwtHSlider(box, self, "graph.scaleFactor", label = 'Inflate points by: ', minValue=1.0, maxValue= 10.0, step=0.1, callback = self.updateGraph, tooltip="If points lie too much together you can expand their position to improve perception", maxWidth = 90)
box = OWGUI.widgetBox(self.SettingsTab, "General Graph Settings")
#OWGUI.checkBox(box, self, 'graph.normalizeExamples', 'Normalize examples', callback = self.updateGraph)
OWGUI.checkBox(box, self, 'graph.showLegend', 'Show legend', callback = self.updateGraph)
bbox = OWGUI.widgetBox(box, orientation = "horizontal")
OWGUI.checkBox(bbox, self, 'graph.showValueLines', 'Show value lines ', callback = self.updateGraph)
OWGUI.qwtHSlider(bbox, self, 'graph.valueLineLength', minValue=1, maxValue=10, step=1, callback = self.updateGraph, showValueLabel = 0)
OWGUI.checkBox(box, self, 'graph.useDifferentSymbols', 'Use different symbols', callback = self.updateGraph, tooltip = "Show different class values using different symbols")
OWGUI.checkBox(box, self, 'graph.useDifferentColors', 'Use different colors', callback = self.updateGraph, tooltip = "Show different class values using different colors")
OWGUI.checkBox(box, self, 'graph.showFilledSymbols', 'Show filled symbols', callback = self.updateGraph)
OWGUI.checkBox(box, self, 'graph.useAntialiasing', 'Use antialiasing', callback = self.updateGraph)
wbox = OWGUI.widgetBox(box, orientation = "horizontal")
OWGUI.checkBox(wbox, self, 'graph.showProbabilities', 'Show probabilities'+' ', callback = self.updateGraph, tooltip = "Show a background image with class probabilities")
smallWidget = OWGUI.SmallWidgetLabel(wbox, pixmap = 1, box = "Advanced settings", tooltip = "Show advanced settings")
OWGUI.rubber(wbox)
box = OWGUI.widgetBox(self.SettingsTab, "Colors", orientation = "horizontal")
OWGUI.button(box, self, "Colors", self.setColors, tooltip = "Set the canvas background color and color palette for coloring variables", debuggingEnabled = 0)
box = OWGUI.widgetBox(self.SettingsTab, "Tooltips Settings")
OWGUI.comboBox(box, self, "graph.tooltipKind", items = ["Show line tooltips", "Show visible attributes", "Show all attributes"], callback = self.updateGraph)
OWGUI.comboBox(box, self, "graph.tooltipValue", items = ["Tooltips show data values", "Tooltips show spring values"], callback = self.updateGraph, tooltip = "Do you wish that tooltips would show you original values of visualized attributes or the 'spring' values (values between 0 and 1). \nSpring values are scaled values that are used for determining the position of shown points. Observing these values will therefore enable you to \nunderstand why the points are placed where they are.")
box = OWGUI.widgetBox(self.SettingsTab, "Auto Send Selected Data When...")
OWGUI.checkBox(box, self, 'autoSendSelection', 'Adding/Removing selection areas', callback = self.selectionChanged, tooltip = "Send selected data whenever a selection area is added or removed")
OWGUI.checkBox(box, self, 'graph.sendSelectionOnUpdate', 'Moving/Resizing selection areas', tooltip = "Send selected data when a user moves or resizes an existing selection area")
OWGUI.comboBox(box, self, "addProjectedPositions", items = ["Do not modify the domain", "Append projection as attributes", "Append projection as meta attributes"], callback = self.sendSelections)
self.selectionChanged()
box = OWGUI.widgetBox(smallWidget.widget, orientation = "horizontal")
OWGUI.widgetLabel(box, "Granularity: ")
OWGUI.hSlider(box, self, 'graph.squareGranularity', minValue=1, maxValue=10, step=1, callback = self.updateGraph)
box = OWGUI.widgetBox(smallWidget.widget, orientation = "horizontal")
OWGUI.checkBox(box, self, 'graph.spaceBetweenCells', 'Show space between cells', callback = self.updateGraph)
self.SettingsTab.layout().addStretch(100)
self.icons = self.createAttributeIconDict()
self.debugSettings = ["hiddenAttributes", "shownAttributes"]
dlg = self.createColorDialog()
self.graph.contPalette = dlg.getContinuousPalette("contPalette")
self.graph.discPalette = dlg.getDiscretePalette("discPalette")
self.graph.setCanvasBackground(dlg.getColor("Canvas"))
apply([self.zoomSelectToolbar.actionZooming, self.zoomSelectToolbar.actionRectangleSelection, self.zoomSelectToolbar.actionPolygonSelection][self.toolbarSelection], [])
self.cbShowAllAttributes() # update list boxes based on the check box value
self.resize(900, 700)
def saveToFile(self):
self.graph.saveToFile([("Save PicTex", self.graph.savePicTeX)])
# #########################
# KNN OPTIMIZATION BUTTON EVENTS
# #########################
def saveCurrentProjection(self):
qname = QFileDialog.getSaveFileName(self, "Save File", os.path.realpath(".") + "/Linear_projection.tab", "Orange Example Table (*.tab)")
if qname.isEmpty(): return
name = str(qname)
if len(name) < 4 or name[-4] != ".":
name = name + ".tab"
self.graph.saveProjectionAsTabData(name, self.getShownAttributeList())
# send signals with selected and unselected examples as two datasets
def sendSelections(self):
if not self.data: return
(selected, unselected) = self.graph.getSelectionsAsExampleTables(self.getShownAttributeList(), addProjectedPositions = self.addProjectedPositions)
self.send("Selected Data", selected)
self.send("Other Data", unselected)
def sendShownAttributes(self):
self.send("Features", [a[0] for a in self.shownAttributes])
# show selected interesting projection
def showSelectedAttributes(self):
val = self.vizrank.getSelectedProjection()
if val:
(accuracy, other_results, tableLen, attrList, tryIndex, generalDict) = val
self.updateGraph(attrList, setAnchors= 1, XAnchors = generalDict.get("XAnchors"), YAnchors = generalDict.get("YAnchors"))
self.graph.removeAllSelections()
def updateGraphAndAnchors(self):
self.updateGraph(setAnchors = 1)
def updateGraph(self, attrList = None, setAnchors = 0, insideColors = None, **args):
if not attrList:
attrList = self.getShownAttributeList()
else:
self.setShownAttributeList(attrList)
self.graph.showKNN = 0
if self.graph.dataHasDiscreteClass:
self.graph.showKNN = (self.vizrank.showKNNCorrectButton.isChecked() and 1) or (self.vizrank.showKNNCorrectButton.isChecked() and 2)
self.graph.insideColors = insideColors or self.classificationResults or self.outlierValues
self.graph.updateData(attrList, setAnchors, **args)
# ###############################################################################################################
# INPUT SIGNALS
# receive new data and update all fields
def setData(self, data):
if data is not None and (len(data) == 0 or len(data.domain) == 0):
data = None
if self.data and data and self.data.checksum() == data.checksum():
return # check if the new data set is the same as the old one
self.closeContext()
sameDomain = self.data and data and data.domain.checksum() == self.data.domain.checksum() # preserve attribute choice if the domain is the same
self.resetAnchors = not sameDomain
self.data = data
self.classificationResults = None
self.outlierValues = None
self.vizrank.clearResults()
if hasattr(self, "freeVizDlg"):
self.freeVizDlg.clearData()
## self.clusterDlg.setData(data)
if not sameDomain:
self.setShownAttributeList(self.attributeSelectionList)
self.openContext("", self.data)
self.resetAttrManipulation()
def setSubsetData(self, subsetData):
self.subsetData = subsetData
self.vizrank.clearArguments()
def setDistances(self, distances):
self.distances = distances
# attribute selection signal - info about which attributes to show
def setShownAttributes(self, attributeSelectionList):
self.attributeSelectionList = attributeSelectionList
self.resetAnchors = 1
# this is called by OWBaseWidget after setData and setSubsetData are called. this way the graph is updated only once
def handleNewSignals(self):
self.graph.setData(self.data, self.subsetData)
self.graph.clear()
self.vizrank.resetDialog()
if self.attributeSelectionList and 0 not in [self.graph.attributeNameIndex.has_key(attr) for attr in self.attributeSelectionList]:
self.setShownAttributeList(self.attributeSelectionList)
self.attributeSelectionList = None
self.updateGraph(setAnchors = self.resetAnchors)
self.sendSelections()
self.resetAnchors = 0
# visualize the results of the classification
def setTestResults(self, results):
self.classificationResults = None
if isinstance(results, orngTest.ExperimentResults) and len(results.results) > 0 and len(results.results[0].probabilities) > 0:
self.classificationResults = ([results.results[i].probabilities[0][results.results[i].actualClass] for i in range(len(results.results))], "Probability of correct classificatioin = %.2f%%")
self.resetAnchors += 1
# set the learning method to be used in VizRank
def setVizRankLearner(self, learner):
self.vizrank.externalLearner = learner
# EVENTS
def resetGraphData(self):
self.graph.rescaleData()
self.updateGraph()
def selectionChanged(self):
self.zoomSelectToolbar.buttonSendSelections.setEnabled(not self.autoSendSelection)
if self.autoSendSelection:
self.sendSelections()
def setColors(self):
dlg = self.createColorDialog()
if dlg.exec_():
self.colorSettings = dlg.getColorSchemas()
self.selectedSchemaIndex = dlg.selectedSchemaIndex
self.graph.contPalette = dlg.getContinuousPalette("contPalette")
self.graph.discPalette = dlg.getDiscretePalette("discPalette")
self.graph.setCanvasBackground(dlg.getColor("Canvas"))
self.updateGraph()
def createColorDialog(self):
c = OWColorPalette.ColorPaletteDlg(self, "Color palette")
c.createDiscretePalette("discPalette", "Discrete Palette")
c.createContinuousPalette("contPalette", "Continuous Palette")
box = c.createBox("otherColors", "Other Colors")
c.createColorButton(box, "Canvas", "Canvas color", QColor(Qt.white))
c.setColorSchemas(self.colorSettings, self.selectedSchemaIndex)
return c
def saveSettings(self):
OWWidget.saveSettings(self)
self.vizrank.saveSettings()
if hasattr(self, "freeVizDlg"):
self.freeVizDlg.saveSettings()
def hideEvent(self, ev):
self.vizrank.hide()
if hasattr(self, "freeVizDlg"):
self.freeVizDlg.hide()
OWVisWidget.hideEvent(self, ev)
def sendReport(self):
self.reportImage(self.graph.saveToFileDirect, QSize(500, 500))
