[8cb6cd6] | 1 | from PyQt4 import QtGui |
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[aadf0af1] | 2 | from PyQt4 import QtCore |
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| 3 | import functools |
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| 4 | import copy |
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[8cb6cd6] | 5 | |
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| 6 | import matplotlib.pyplot as plt |
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[9290b1a] | 7 | from matplotlib.font_manager import FontProperties |
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[8cb6cd6] | 8 | |
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[9290b1a] | 9 | from sas.sasgui.guiframe.dataFitting import Data1D |
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[ef01be4] | 10 | from sas.qtgui.PlotterBase import PlotterBase |
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[aadf0af1] | 11 | import sas.qtgui.GuiUtils as GuiUtils |
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[9290b1a] | 12 | from sas.qtgui.AddText import AddText |
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[d3ca363] | 13 | from sas.qtgui.SetGraphRange import SetGraphRange |
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[570a58f9] | 14 | from sas.qtgui.LinearFit import LinearFit |
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[8cb6cd6] | 15 | |
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[416fa8f] | 16 | class PlotterWidget(PlotterBase): |
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[c4e5400] | 17 | """ |
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| 18 | 1D Plot widget for use with a QDialog |
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[fecfe28] | 19 | """ |
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[416fa8f] | 20 | def __init__(self, parent=None, manager=None, quickplot=False): |
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| 21 | super(PlotterWidget, self).__init__(parent, manager=manager, quickplot=quickplot) |
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[570a58f9] | 22 | |
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[27313b7] | 23 | self.parent = parent |
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[257bd57] | 24 | self.addText = AddText(self) |
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[8cb6cd6] | 25 | |
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[aadf0af1] | 26 | # Dictionary of {plot_id:Data1d} |
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| 27 | self.plot_dict = {} |
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| 28 | |
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| 29 | # Simple window for data display |
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| 30 | self.txt_widget = QtGui.QTextEdit(None) |
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| 31 | |
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[570a58f9] | 32 | self.xLogLabel = "log10(x)" |
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| 33 | self.yLogLabel = "log10(y)" |
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| 34 | |
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| 35 | # Data container for the linear fit |
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| 36 | self.fit_result = Data1D(x=[], y=[], dy=None) |
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| 37 | self.fit_result.symbol = 13 |
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| 38 | self.fit_result.name = "Fit" |
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| 39 | |
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| 40 | # Add a slot for receiving update signal from LinearFit |
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| 41 | # NEW style signals - don't work! |
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| 42 | #self.updatePlot = QtCore.pyqtSignal(tuple) |
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| 43 | #self.updatePlot.connect(self.updateWithData) |
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| 44 | # OLD style signals - work perfectly |
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| 45 | QtCore.QObject.connect(self, QtCore.SIGNAL('updatePlot'), self.onFitDisplay) |
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| 46 | |
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[31c5b58] | 47 | @property |
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| 48 | def data(self): |
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| 49 | return self._data |
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| 50 | |
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| 51 | @data.setter |
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| 52 | def data(self, value): |
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[8cb6cd6] | 53 | """ data setter """ |
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[31c5b58] | 54 | self._data = value |
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[6d05e1d] | 55 | self.xLabel = "%s(%s)"%(value._xaxis, value._xunit) |
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| 56 | self.yLabel = "%s(%s)"%(value._yaxis, value._yunit) |
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[aadf0af1] | 57 | self.title(title=value.name) |
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[8cb6cd6] | 58 | |
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[9290b1a] | 59 | def plot(self, data=None, marker=None, linestyle=None, hide_error=False): |
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[8cb6cd6] | 60 | """ |
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[aadf0af1] | 61 | Add a new plot of self._data to the chart. |
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[8cb6cd6] | 62 | """ |
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[9290b1a] | 63 | # Data1D |
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| 64 | if isinstance(data, Data1D): |
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| 65 | self.data = data |
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| 66 | assert(self._data) |
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| 67 | |
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[570a58f9] | 68 | is_fit = (self._data.id=="fit") |
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| 69 | |
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[6d05e1d] | 70 | # Shortcut for an axis |
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[ef01be4] | 71 | ax = self.ax |
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[8cb6cd6] | 72 | |
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[39551a68] | 73 | if marker == None: |
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[6d05e1d] | 74 | marker = 'o' |
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[39551a68] | 75 | |
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| 76 | if linestyle == None: |
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[b4b8589] | 77 | linestyle = '' |
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| 78 | |
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[aadf0af1] | 79 | if not self._title: |
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| 80 | self.title(title=self.data.name) |
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| 81 | |
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[b4b8589] | 82 | # plot data with/without errorbars |
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[c4e5400] | 83 | if hide_error: |
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[aadf0af1] | 84 | line = ax.plot(self._data.view.x, self._data.view.y, |
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[c4e5400] | 85 | marker=marker, |
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| 86 | linestyle=linestyle, |
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[9290b1a] | 87 | label=self._title, |
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| 88 | picker=True) |
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[c4e5400] | 89 | else: |
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[aadf0af1] | 90 | line = ax.errorbar(self._data.view.x, self._data.view.y, |
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| 91 | yerr=self._data.view.dy, xerr=None, |
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[c4e5400] | 92 | capsize=2, linestyle='', |
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| 93 | barsabove=False, |
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| 94 | marker=marker, |
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| 95 | lolims=False, uplims=False, |
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| 96 | xlolims=False, xuplims=False, |
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[9290b1a] | 97 | label=self._title, |
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| 98 | picker=True) |
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[8cb6cd6] | 99 | |
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[aadf0af1] | 100 | # Update the list of data sets (plots) in chart |
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| 101 | self.plot_dict[self._data.id] = self.data |
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| 102 | |
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[8cb6cd6] | 103 | # Now add the legend with some customizations. |
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[9290b1a] | 104 | self.legend = ax.legend(loc='upper right', shadow=True) |
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| 105 | self.legend.set_picker(True) |
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[8cb6cd6] | 106 | |
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[6d05e1d] | 107 | # Current labels for axes |
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[570a58f9] | 108 | if self.y_label and not is_fit: |
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| 109 | ax.set_ylabel(self.y_label) |
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| 110 | if self.x_label and not is_fit: |
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| 111 | ax.set_xlabel(self.x_label) |
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[6d05e1d] | 112 | |
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[ef01be4] | 113 | # Title only for regular charts |
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[570a58f9] | 114 | if not self.quickplot and not is_fit: |
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[6d05e1d] | 115 | ax.set_title(label=self._title) |
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[8cb6cd6] | 116 | |
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[6d05e1d] | 117 | # Include scaling (log vs. linear) |
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| 118 | ax.set_xscale(self.xscale) |
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[3b7b218] | 119 | ax.set_yscale(self.yscale) |
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[8cb6cd6] | 120 | |
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[257bd57] | 121 | # define the ranges |
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| 122 | self.setRange = SetGraphRange(parent=self, |
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| 123 | x_range=self.ax.get_xlim(), y_range=self.ax.get_ylim()) |
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| 124 | |
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[8cb6cd6] | 125 | # refresh canvas |
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| 126 | self.canvas.draw() |
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| 127 | |
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[aadf0af1] | 128 | def createContextMenu(self): |
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[c4e5400] | 129 | """ |
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| 130 | Define common context menu and associated actions for the MPL widget |
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| 131 | """ |
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| 132 | self.defaultContextMenu() |
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| 133 | |
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[aadf0af1] | 134 | # Separate plots |
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| 135 | self.addPlotsToContextMenu() |
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| 136 | |
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[27313b7] | 137 | # Additional menu items |
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| 138 | self.contextMenu.addSeparator() |
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| 139 | self.actionModifyGraphAppearance =\ |
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| 140 | self.contextMenu.addAction("Modify Graph Appearance") |
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| 141 | self.contextMenu.addSeparator() |
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| 142 | self.actionAddText = self.contextMenu.addAction("Add Text") |
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| 143 | self.actionRemoveText = self.contextMenu.addAction("Remove Text") |
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| 144 | self.contextMenu.addSeparator() |
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| 145 | self.actionChangeScale = self.contextMenu.addAction("Change Scale") |
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| 146 | self.contextMenu.addSeparator() |
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| 147 | self.actionSetGraphRange = self.contextMenu.addAction("Set Graph Range") |
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| 148 | self.actionResetGraphRange =\ |
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| 149 | self.contextMenu.addAction("Reset Graph Range") |
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| 150 | # Add the title change for dialogs |
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[aadf0af1] | 151 | #if self.parent: |
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| 152 | self.contextMenu.addSeparator() |
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| 153 | self.actionWindowTitle = self.contextMenu.addAction("Window Title") |
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[27313b7] | 154 | |
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| 155 | # Define the callbacks |
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| 156 | self.actionModifyGraphAppearance.triggered.connect(self.onModifyGraph) |
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| 157 | self.actionAddText.triggered.connect(self.onAddText) |
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| 158 | self.actionRemoveText.triggered.connect(self.onRemoveText) |
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| 159 | self.actionChangeScale.triggered.connect(self.onScaleChange) |
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| 160 | self.actionSetGraphRange.triggered.connect(self.onSetGraphRange) |
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| 161 | self.actionResetGraphRange.triggered.connect(self.onResetGraphRange) |
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| 162 | self.actionWindowTitle.triggered.connect(self.onWindowsTitle) |
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[c4e5400] | 163 | |
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[aadf0af1] | 164 | def addPlotsToContextMenu(self): |
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| 165 | """ |
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| 166 | Adds operations on all plotted sets of data to the context menu |
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| 167 | """ |
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| 168 | for id in self.plot_dict.keys(): |
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| 169 | plot = self.plot_dict[id] |
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| 170 | name = plot.name |
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| 171 | plot_menu = self.contextMenu.addMenu('&%s' % name) |
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| 172 | |
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| 173 | self.actionDataInfo = plot_menu.addAction("&DataInfo") |
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| 174 | self.actionDataInfo.triggered.connect( |
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| 175 | functools.partial(self.onDataInfo, plot)) |
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| 176 | |
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| 177 | self.actionSavePointsAsFile = plot_menu.addAction("&Save Points as a File") |
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| 178 | self.actionSavePointsAsFile.triggered.connect( |
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| 179 | functools.partial(self.onSavePoints, plot)) |
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| 180 | plot_menu.addSeparator() |
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| 181 | |
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| 182 | if plot.id != 'fit': |
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| 183 | self.actionLinearFit = plot_menu.addAction('&Linear Fit') |
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[570a58f9] | 184 | self.actionLinearFit.triggered.connect( |
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| 185 | functools.partial(self.onLinearFit, id)) |
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[aadf0af1] | 186 | plot_menu.addSeparator() |
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| 187 | |
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| 188 | self.actionRemovePlot = plot_menu.addAction("Remove") |
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| 189 | self.actionRemovePlot.triggered.connect( |
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| 190 | functools.partial(self.onRemovePlot, id)) |
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| 191 | |
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| 192 | if not plot.is_data: |
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| 193 | self.actionFreeze = plot_menu.addAction('&Freeze') |
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| 194 | self.actionFreeze.triggered.connect( |
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| 195 | functools.partial(self.onFreeze, id)) |
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| 196 | plot_menu.addSeparator() |
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| 197 | |
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| 198 | if plot.is_data: |
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| 199 | self.actionHideError = plot_menu.addAction("Hide Error Bar") |
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| 200 | if plot.dy is not None and plot.dy != []: |
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| 201 | if plot.hide_error: |
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| 202 | self.actionHideError.setText('Show Error Bar') |
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| 203 | else: |
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| 204 | self.actionHideError.setEnabled(False) |
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| 205 | self.actionHideError.triggered.connect( |
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| 206 | functools.partial(self.onToggleHideError, id)) |
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| 207 | plot_menu.addSeparator() |
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| 208 | |
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| 209 | self.actionModifyPlot = plot_menu.addAction('&Modify Plot Property') |
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| 210 | self.actionModifyPlot.triggered.connect(self.onModifyPlot) |
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| 211 | |
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| 212 | def createContextMenuQuick(self): |
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[6d05e1d] | 213 | """ |
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| 214 | Define context menu and associated actions for the quickplot MPL widget |
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| 215 | """ |
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[c4e5400] | 216 | # Default actions |
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| 217 | self.defaultContextMenu() |
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| 218 | |
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| 219 | # Additional actions |
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[6d05e1d] | 220 | self.actionToggleGrid = self.contextMenu.addAction("Toggle Grid On/Off") |
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| 221 | self.contextMenu.addSeparator() |
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| 222 | self.actionChangeScale = self.contextMenu.addAction("Change Scale") |
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| 223 | |
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| 224 | # Define the callbacks |
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| 225 | self.actionToggleGrid.triggered.connect(self.onGridToggle) |
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| 226 | self.actionChangeScale.triggered.connect(self.onScaleChange) |
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| 227 | |
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| 228 | def onScaleChange(self): |
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| 229 | """ |
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| 230 | Show a dialog allowing axes rescaling |
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| 231 | """ |
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| 232 | if self.properties.exec_() == QtGui.QDialog.Accepted: |
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[570a58f9] | 233 | self.xLogLabel, self.yLogLabel = self.properties.getValues() |
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| 234 | self.xyTransform(self.xLogLabel, self.yLogLabel) |
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[6d05e1d] | 235 | |
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[27313b7] | 236 | def onModifyGraph(self): |
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| 237 | """ |
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| 238 | Show a dialog allowing chart manipulations |
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| 239 | """ |
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| 240 | print ("onModifyGraph") |
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| 241 | pass |
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| 242 | |
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| 243 | def onAddText(self): |
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| 244 | """ |
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| 245 | Show a dialog allowing adding custom text to the chart |
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| 246 | """ |
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[9290b1a] | 247 | if self.addText.exec_() == QtGui.QDialog.Accepted: |
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| 248 | # Retrieve the new text, its font and color |
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| 249 | extra_text = self.addText.text() |
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| 250 | extra_font = self.addText.font() |
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| 251 | extra_color = self.addText.color() |
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| 252 | |
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| 253 | # Place the text on the screen at (0,0) |
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| 254 | pos_x = self.x_click |
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| 255 | pos_y = self.y_click |
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| 256 | |
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| 257 | # Map QFont onto MPL font |
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| 258 | mpl_font = FontProperties() |
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| 259 | mpl_font.set_size(int(extra_font.pointSize())) |
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| 260 | mpl_font.set_family(str(extra_font.family())) |
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| 261 | mpl_font.set_weight(int(extra_font.weight())) |
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| 262 | # MPL style names |
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| 263 | styles = ['normal', 'italic', 'oblique'] |
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| 264 | # QFont::Style maps directly onto the above |
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| 265 | try: |
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| 266 | mpl_font.set_style(styles[extra_font.style()]) |
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| 267 | except: |
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| 268 | pass |
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| 269 | |
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| 270 | if len(extra_text) > 0: |
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| 271 | new_text = self.ax.text(str(pos_x), |
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| 272 | str(pos_y), |
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| 273 | extra_text, |
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| 274 | color=extra_color, |
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| 275 | fontproperties=mpl_font) |
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| 276 | # Update the list of annotations |
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| 277 | self.textList.append(new_text) |
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| 278 | self.canvas.draw_idle() |
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[27313b7] | 279 | |
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| 280 | def onRemoveText(self): |
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| 281 | """ |
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[9290b1a] | 282 | Remove the most recently added text |
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[27313b7] | 283 | """ |
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[d3ca363] | 284 | num_text = len(self.textList) |
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| 285 | if num_text < 1: |
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| 286 | return |
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| 287 | txt = self.textList[num_text - 1] |
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| 288 | text_remove = txt.get_text() |
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| 289 | txt.remove() |
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| 290 | self.textList.remove(txt) |
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| 291 | |
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| 292 | self.canvas.draw_idle() |
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[27313b7] | 293 | |
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| 294 | def onSetGraphRange(self): |
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| 295 | """ |
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| 296 | Show a dialog allowing setting the chart ranges |
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| 297 | """ |
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[d3ca363] | 298 | # min and max of data |
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| 299 | if self.setRange.exec_() == QtGui.QDialog.Accepted: |
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[257bd57] | 300 | x_range = self.setRange.xrange() |
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| 301 | y_range = self.setRange.yrange() |
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| 302 | if x_range is not None and y_range is not None: |
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| 303 | self.ax.set_xlim(x_range) |
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| 304 | self.ax.set_ylim(y_range) |
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| 305 | self.canvas.draw_idle() |
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[27313b7] | 306 | |
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| 307 | def onResetGraphRange(self): |
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| 308 | """ |
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[d3ca363] | 309 | Resets the chart X and Y ranges to their original values |
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[27313b7] | 310 | """ |
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[d3ca363] | 311 | x_range = (self.data.x.min(), self.data.x.max()) |
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| 312 | y_range = (self.data.y.min(), self.data.y.max()) |
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[257bd57] | 313 | if x_range is not None and y_range is not None: |
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| 314 | self.ax.set_xlim(x_range) |
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| 315 | self.ax.set_ylim(y_range) |
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| 316 | self.canvas.draw_idle() |
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[27313b7] | 317 | |
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[aadf0af1] | 318 | def onDataInfo(self, plot_data): |
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| 319 | """ |
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| 320 | Displays data info text window for the selected plot |
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| 321 | """ |
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| 322 | text_to_show = GuiUtils.retrieveData1d(plot_data) |
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| 323 | # Hardcoded sizes to enable full width rendering with default font |
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| 324 | self.txt_widget.resize(420,600) |
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| 325 | |
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| 326 | self.txt_widget.setReadOnly(True) |
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| 327 | self.txt_widget.setWindowFlags(QtCore.Qt.Window) |
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| 328 | self.txt_widget.setWindowIcon(QtGui.QIcon(":/res/ball.ico")) |
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| 329 | self.txt_widget.setWindowTitle("Data Info: %s" % plot_data.filename) |
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| 330 | self.txt_widget.insertPlainText(text_to_show) |
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| 331 | |
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| 332 | self.txt_widget.show() |
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| 333 | # Move the slider all the way up, if present |
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| 334 | vertical_scroll_bar = self.txt_widget.verticalScrollBar() |
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| 335 | vertical_scroll_bar.triggerAction(QtGui.QScrollBar.SliderToMinimum) |
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| 336 | |
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| 337 | def onSavePoints(self, plot_data): |
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| 338 | """ |
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| 339 | Saves plot data to a file |
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| 340 | """ |
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| 341 | GuiUtils.saveData1D(plot_data) |
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| 342 | |
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[570a58f9] | 343 | def onLinearFit(self, id): |
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[aadf0af1] | 344 | """ |
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| 345 | Creates and displays a simple linear fit for the selected plot |
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| 346 | """ |
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[570a58f9] | 347 | selected_plot = self.plot_dict[id] |
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| 348 | |
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| 349 | maxrange = (min(selected_plot.x), max(selected_plot.x)) |
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| 350 | fitrange = self.ax.get_xlim() |
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| 351 | |
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| 352 | fit_dialog = LinearFit(parent=self, |
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| 353 | data=selected_plot, |
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| 354 | max_range=maxrange, |
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| 355 | fit_range=fitrange, |
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| 356 | xlabel=self.xLogLabel, |
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| 357 | ylabel=self.yLogLabel) |
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| 358 | if fit_dialog.exec_() == QtGui.QDialog.Accepted: |
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| 359 | return |
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[aadf0af1] | 360 | |
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| 361 | def onRemovePlot(self, id): |
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| 362 | """ |
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[570a58f9] | 363 | Responds to the plot delete action |
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| 364 | """ |
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| 365 | self.removePlot(id) |
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| 366 | |
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| 367 | if len(self.plot_dict) == 0: |
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| 368 | # last plot: graph is empty must be the panel must be destroyed |
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| 369 | self.parent.close() |
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| 370 | |
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| 371 | def removePlot(self, id): |
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| 372 | """ |
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[aadf0af1] | 373 | Deletes the selected plot from the chart |
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| 374 | """ |
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[570a58f9] | 375 | if id not in self.plot_dict: |
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| 376 | return |
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| 377 | |
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[aadf0af1] | 378 | selected_plot = self.plot_dict[id] |
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| 379 | |
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| 380 | plot_dict = copy.deepcopy(self.plot_dict) |
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| 381 | |
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| 382 | self.plot_dict = {} |
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| 383 | |
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| 384 | plt.cla() |
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| 385 | self.ax.cla() |
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| 386 | |
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| 387 | for ids in plot_dict: |
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| 388 | if ids != id: |
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| 389 | self.plot(data=plot_dict[ids], hide_error=plot_dict[ids].hide_error) |
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| 390 | |
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| 391 | def onFreeze(self, id): |
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| 392 | """ |
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| 393 | Freezes the selected plot to a separate chart |
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| 394 | """ |
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| 395 | plot = self.plot_dict[id] |
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| 396 | self.manager.add_data(data_list=[plot]) |
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| 397 | |
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| 398 | def onModifyPlot(self): |
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| 399 | """ |
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| 400 | Allows for MPL modifications to the selected plot |
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| 401 | """ |
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| 402 | pass |
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| 403 | |
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| 404 | def onToggleHideError(self, id): |
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| 405 | """ |
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| 406 | Toggles hide error/show error menu item |
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| 407 | """ |
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| 408 | selected_plot = self.plot_dict[id] |
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| 409 | current = selected_plot.hide_error |
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| 410 | |
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| 411 | # Flip the flag |
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| 412 | selected_plot.hide_error = not current |
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| 413 | |
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| 414 | plot_dict = copy.deepcopy(self.plot_dict) |
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| 415 | self.plot_dict = {} |
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| 416 | |
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| 417 | # Clean the canvas |
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| 418 | plt.cla() |
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| 419 | self.ax.cla() |
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| 420 | |
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| 421 | # Recreate the plots but reverse the error flag for the current |
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| 422 | for ids in plot_dict: |
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| 423 | if ids == id: |
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| 424 | self.plot(data=plot_dict[ids], hide_error=(not current)) |
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| 425 | else: |
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| 426 | self.plot(data=plot_dict[ids], hide_error=plot_dict[ids].hide_error) |
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| 427 | |
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[6d05e1d] | 428 | def xyTransform(self, xLabel="", yLabel=""): |
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| 429 | """ |
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| 430 | Transforms x and y in View and set the scale |
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| 431 | """ |
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[570a58f9] | 432 | # Transform all the plots on the chart |
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| 433 | for id in self.plot_dict.keys(): |
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| 434 | current_plot = self.plot_dict[id] |
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| 435 | if current_plot.id == "fit": |
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| 436 | self.removePlot(id) |
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| 437 | continue |
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| 438 | new_xlabel, new_ylabel, xscale, yscale =\ |
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| 439 | GuiUtils.xyTransform(current_plot, xLabel, yLabel) |
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| 440 | self.xscale = xscale |
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| 441 | self.yscale = yscale |
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| 442 | self.xLabel = new_xlabel |
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| 443 | self.yLabel = new_ylabel |
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| 444 | # Plot the updated chart |
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| 445 | self.removePlot(id) |
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| 446 | self.plot(data=current_plot, marker='o', linestyle='') |
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| 447 | |
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| 448 | pass # debug hook |
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| 449 | |
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| 450 | def onFitDisplay(self, fit_data): |
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| 451 | """ |
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| 452 | Add a linear fitting line to the chart |
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| 453 | """ |
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| 454 | # Create new data structure with fitting result |
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| 455 | tempx = fit_data[0] |
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| 456 | tempy = fit_data[1] |
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| 457 | self.fit_result.x = [] |
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| 458 | self.fit_result.y = [] |
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| 459 | self.fit_result.x = tempx |
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| 460 | self.fit_result.y = tempy |
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| 461 | self.fit_result.dx = None |
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| 462 | self.fit_result.dy = None |
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| 463 | |
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| 464 | #Remove another Fit, if exists |
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| 465 | self.removePlot("fit") |
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| 466 | |
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| 467 | self.fit_result.reset_view() |
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| 468 | #self.offset_graph() |
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| 469 | |
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| 470 | # Set plot properties |
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| 471 | self.fit_result.id = 'fit' |
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| 472 | self.fit_result.title = 'Fit' |
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| 473 | self.fit_result.name = 'Fit' |
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| 474 | |
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| 475 | # Plot the line |
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| 476 | self.plot(data=self.fit_result, marker='', linestyle='solid', hide_error=True) |
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| 477 | |
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[c4e5400] | 478 | |
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[416fa8f] | 479 | class Plotter(QtGui.QDialog, PlotterWidget): |
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| 480 | def __init__(self, parent=None, quickplot=False): |
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| 481 | |
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| 482 | QtGui.QDialog.__init__(self) |
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[aadf0af1] | 483 | PlotterWidget.__init__(self, parent=self, manager=parent, quickplot=quickplot) |
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[c4e5400] | 484 | icon = QtGui.QIcon() |
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| 485 | icon.addPixmap(QtGui.QPixmap(":/res/ball.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off) |
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| 486 | self.setWindowIcon(icon) |
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| 487 | |
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[416fa8f] | 488 | |
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