| 1 | from PyQt4 import QtGui |
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| 2 | |
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| 3 | import matplotlib.pyplot as plt |
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| 4 | |
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| 5 | from sas.sasgui.plottools import transform |
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| 6 | from sas.sasgui.plottools.convert_units import convert_unit |
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| 7 | from sas.qtgui.PlotterBase import PlotterBase |
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| 8 | |
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| 9 | class PlotterWidget(PlotterBase): |
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| 10 | def __init__(self, parent=None, manager=None, quickplot=False): |
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| 11 | super(PlotterWidget, self).__init__(parent, manager=manager, quickplot=quickplot) |
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| 12 | |
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| 13 | @property |
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| 14 | def data(self): |
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| 15 | return self._data |
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| 16 | |
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| 17 | @data.setter |
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| 18 | def data(self, value): |
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| 19 | """ data setter """ |
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| 20 | self._data = value |
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| 21 | self.xLabel = "%s(%s)"%(value._xaxis, value._xunit) |
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| 22 | self.yLabel = "%s(%s)"%(value._yaxis, value._yunit) |
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| 23 | self.title(title=value.title) |
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| 24 | |
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| 25 | def plot(self, marker=None, linestyle=None, hide_error=False): |
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| 26 | """ |
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| 27 | Plot self._data |
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| 28 | """ |
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| 29 | # Shortcut for an axis |
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| 30 | ax = self.ax |
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| 31 | |
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| 32 | if marker == None: |
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| 33 | marker = 'o' |
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| 34 | |
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| 35 | if linestyle == None: |
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| 36 | linestyle = '' |
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| 37 | |
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| 38 | # plot data with/without errorbars |
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| 39 | if hide_error: |
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| 40 | ax.plot(self._data.view.x, self._data.view.y, |
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| 41 | marker=marker, |
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| 42 | linestyle=linestyle, |
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| 43 | label=self._title) |
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| 44 | else: |
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| 45 | ax.errorbar(self._data.view.x, self._data.view.y, |
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| 46 | yerr=self._data.view.dx, xerr=None, |
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| 47 | capsize=2, linestyle='', |
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| 48 | barsabove=False, |
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| 49 | marker=marker, |
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| 50 | lolims=False, uplims=False, |
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| 51 | xlolims=False, xuplims=False, |
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| 52 | label=self._title) |
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| 53 | |
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| 54 | # Now add the legend with some customizations. |
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| 55 | legend = ax.legend(loc='upper right', shadow=True) |
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| 56 | |
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| 57 | # Current labels for axes |
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| 58 | ax.set_ylabel(self.y_label) |
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| 59 | ax.set_xlabel(self.x_label) |
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| 60 | |
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| 61 | # Title only for regular charts |
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| 62 | if not self.quickplot: |
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| 63 | ax.set_title(label=self._title) |
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| 64 | |
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| 65 | # Include scaling (log vs. linear) |
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| 66 | ax.set_yscale(self.xscale) |
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| 67 | ax.set_xscale(self.xscale) |
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| 68 | |
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| 69 | # refresh canvas |
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| 70 | self.canvas.draw() |
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| 71 | |
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| 72 | def contextMenuQuickPlot(self): |
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| 73 | """ |
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| 74 | Define context menu and associated actions for the quickplot MPL widget |
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| 75 | """ |
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| 76 | # Actions |
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| 77 | self.contextMenu = QtGui.QMenu(self) |
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| 78 | self.actionSaveImage = self.contextMenu.addAction("Save Image") |
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| 79 | self.actionPrintImage = self.contextMenu.addAction("Print Image") |
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| 80 | self.actionCopyToClipboard = self.contextMenu.addAction("Copy to Clipboard") |
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| 81 | self.contextMenu.addSeparator() |
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| 82 | self.actionToggleGrid = self.contextMenu.addAction("Toggle Grid On/Off") |
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| 83 | self.contextMenu.addSeparator() |
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| 84 | self.actionChangeScale = self.contextMenu.addAction("Change Scale") |
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| 85 | |
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| 86 | # Define the callbacks |
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| 87 | self.actionSaveImage.triggered.connect(self.onImageSave) |
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| 88 | self.actionPrintImage.triggered.connect(self.onImagePrint) |
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| 89 | self.actionCopyToClipboard.triggered.connect(self.onClipboardCopy) |
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| 90 | self.actionToggleGrid.triggered.connect(self.onGridToggle) |
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| 91 | self.actionChangeScale.triggered.connect(self.onScaleChange) |
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| 92 | |
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| 93 | def onScaleChange(self): |
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| 94 | """ |
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| 95 | Show a dialog allowing axes rescaling |
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| 96 | """ |
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| 97 | if self.properties.exec_() == QtGui.QDialog.Accepted: |
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| 98 | xLabel, yLabel = self.properties.getValues() |
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| 99 | self.xyTransform(xLabel, yLabel) |
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| 100 | |
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| 101 | def xyTransform(self, xLabel="", yLabel=""): |
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| 102 | """ |
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| 103 | Transforms x and y in View and set the scale |
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| 104 | """ |
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| 105 | # Clear the plot first |
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| 106 | plt.cla() |
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| 107 | |
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| 108 | # Changing the scale might be incompatible with |
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| 109 | # currently displayed data (for instance, going |
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| 110 | # from ln to log when all plotted values have |
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| 111 | # negative natural logs). |
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| 112 | # Go linear and only change the scale at the end. |
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| 113 | self._xscale = "linear" |
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| 114 | self._yscale = "linear" |
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| 115 | _xscale = 'linear' |
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| 116 | _yscale = 'linear' |
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| 117 | # Local data is either 1D or 2D |
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| 118 | if self.data.id == 'fit': |
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| 119 | return |
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| 120 | |
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| 121 | # control axis labels from the panel itself |
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| 122 | yname, yunits = self.data.get_yaxis() |
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| 123 | xname, xunits = self.data.get_xaxis() |
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| 124 | |
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| 125 | # Goes through all possible scales |
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| 126 | # self.x_label is already wrapped with Latex "$", so using the argument |
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| 127 | |
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| 128 | # X |
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| 129 | if xLabel == "x": |
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| 130 | self.data.transformX(transform.toX, transform.errToX) |
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| 131 | self.xLabel = "%s(%s)" % (xname, xunits) |
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| 132 | if xLabel == "x^(2)": |
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| 133 | self.data.transformX(transform.toX2, transform.errToX2) |
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| 134 | xunits = convert_unit(2, xunits) |
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| 135 | self.xLabel = "%s^{2}(%s)" % (xname, xunits) |
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| 136 | if xLabel == "x^(4)": |
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| 137 | self.data.transformX(transform.toX4, transform.errToX4) |
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| 138 | xunits = convert_unit(4, xunits) |
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| 139 | self.xLabel = "%s^{4}(%s)" % (xname, xunits) |
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| 140 | if xLabel == "ln(x)": |
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| 141 | self.data.transformX(transform.toLogX, transform.errToLogX) |
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| 142 | self.xLabel = "\ln{(%s)}(%s)" % (xname, xunits) |
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| 143 | if xLabel == "log10(x)": |
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| 144 | self.data.transformX(transform.toX_pos, transform.errToX_pos) |
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| 145 | _xscale = 'log' |
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| 146 | self.xLabel = "%s(%s)" % (xname, xunits) |
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| 147 | if xLabel == "log10(x^(4))": |
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| 148 | self.data.transformX(transform.toX4, transform.errToX4) |
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| 149 | xunits = convert_unit(4, xunits) |
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| 150 | self.xLabel = "%s^{4}(%s)" % (xname, xunits) |
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| 151 | _xscale = 'log' |
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| 152 | |
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| 153 | # Y |
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| 154 | if yLabel == "ln(y)": |
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| 155 | self.data.transformY(transform.toLogX, transform.errToLogX) |
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| 156 | self.yLabel = "\ln{(%s)}(%s)" % (yname, yunits) |
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| 157 | if yLabel == "y": |
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| 158 | self.data.transformY(transform.toX, transform.errToX) |
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| 159 | self.yLabel = "%s(%s)" % (yname, yunits) |
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| 160 | if yLabel == "log10(y)": |
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| 161 | self.data.transformY(transform.toX_pos, transform.errToX_pos) |
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| 162 | _yscale = 'log' |
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| 163 | self.yLabel = "%s(%s)" % (yname, yunits) |
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| 164 | if yLabel == "y^(2)": |
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| 165 | self.data.transformY(transform.toX2, transform.errToX2) |
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| 166 | yunits = convert_unit(2, yunits) |
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| 167 | self.yLabel = "%s^{2}(%s)" % (yname, yunits) |
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| 168 | if yLabel == "1/y": |
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| 169 | self.data.transformY(transform.toOneOverX, transform.errOneOverX) |
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| 170 | yunits = convert_unit(-1, yunits) |
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| 171 | self.yLabel = "1/%s(%s)" % (yname, yunits) |
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| 172 | if yLabel == "y*x^(2)": |
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| 173 | self.data.transformY(transform.toYX2, transform.errToYX2) |
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| 174 | xunits = convert_unit(2, xunits) |
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| 175 | self.yLabel = "%s \ \ %s^{2}(%s%s)" % (yname, xname, yunits, xunits) |
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| 176 | if yLabel == "y*x^(4)": |
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| 177 | self.data.transformY(transform.toYX4, transform.errToYX4) |
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| 178 | xunits = convert_unit(4, xunits) |
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| 179 | self.yLabel = "%s \ \ %s^{4}(%s%s)" % (yname, xname, yunits, xunits) |
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| 180 | if yLabel == "1/sqrt(y)": |
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| 181 | self.data.transformY(transform.toOneOverSqrtX, |
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| 182 | transform.errOneOverSqrtX) |
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| 183 | yunits = convert_unit(-0.5, yunits) |
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| 184 | self.yLabel = "1/\sqrt{%s}(%s)" % (yname, yunits) |
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| 185 | if yLabel == "ln(y*x)": |
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| 186 | self.data.transformY(transform.toLogXY, transform.errToLogXY) |
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| 187 | self.yLabel = "\ln{(%s \ \ %s)}(%s%s)" % (yname, xname, yunits, xunits) |
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| 188 | if yLabel == "ln(y*x^(2))": |
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| 189 | self.data.transformY(transform.toLogYX2, transform.errToLogYX2) |
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| 190 | xunits = convert_unit(2, xunits) |
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| 191 | self.yLabel = "\ln (%s \ \ %s^{2})(%s%s)" % (yname, xname, yunits, xunits) |
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| 192 | if yLabel == "ln(y*x^(4))": |
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| 193 | self.data.transformY(transform.toLogYX4, transform.errToLogYX4) |
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| 194 | xunits = convert_unit(4, xunits) |
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| 195 | self.yLabel = "\ln (%s \ \ %s^{4})(%s%s)" % (yname, xname, yunits, xunits) |
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| 196 | if yLabel == "log10(y*x^(4))": |
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| 197 | self.data.transformY(transform.toYX4, transform.errToYX4) |
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| 198 | xunits = convert_unit(4, xunits) |
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| 199 | _yscale = 'log' |
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| 200 | self.yLabel = "%s \ \ %s^{4}(%s%s)" % (yname, xname, yunits, xunits) |
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| 201 | |
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| 202 | # Perform the transformation of data in data1d->View |
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| 203 | self.data.transformView() |
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| 204 | |
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| 205 | self.xscale = _xscale |
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| 206 | self.yscale = _yscale |
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| 207 | |
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| 208 | # Plot the updated chart |
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| 209 | self.plot(marker='o', linestyle='') |
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| 210 | |
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| 211 | |
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| 212 | class Plotter(QtGui.QDialog, PlotterWidget): |
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| 213 | def __init__(self, parent=None, quickplot=False): |
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| 214 | |
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| 215 | QtGui.QDialog.__init__(self) |
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| 216 | PlotterWidget.__init__(self, manager=parent, quickplot=quickplot) |
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| 217 | icon = QtGui.QIcon() |
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| 218 | icon.addPixmap(QtGui.QPixmap(":/res/ball.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off) |
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| 219 | self.setWindowIcon(icon) |
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| 220 | |
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| 221 | |
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