[dc5ef15] | 1 | import numpy |
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| 2 | from PyQt4 import QtGui |
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| 3 | from PyQt4 import QtCore |
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| 4 | |
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| 5 | import sas.qtgui.Utilities.GuiUtils as GuiUtils |
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[b3e8629] | 6 | from .BaseInteractor import BaseInteractor |
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[dc5ef15] | 7 | from sas.qtgui.Plotting.PlotterData import Data1D |
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| 8 | from sas.qtgui.Utilities.GuiUtils import formatNumber |
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| 9 | from sas.qtgui.Plotting.SlicerModel import SlicerModel |
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| 10 | |
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| 11 | class AnnulusInteractor(BaseInteractor, SlicerModel): |
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| 12 | """ |
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| 13 | Select an annulus through a 2D plot. |
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| 14 | This interactor is used to average 2D data with the region |
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| 15 | defined by 2 radius. |
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| 16 | this class is defined by 2 Ringinterators. |
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| 17 | """ |
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| 18 | def __init__(self, base, axes, item=None, color='black', zorder=3): |
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| 19 | |
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| 20 | BaseInteractor.__init__(self, base, axes, color=color) |
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| 21 | SlicerModel.__init__(self) |
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| 22 | |
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| 23 | self.markers = [] |
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| 24 | self.axes = axes |
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| 25 | self.base = base |
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| 26 | self._item = item |
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| 27 | self.qmax = min(numpy.fabs(self.base.data.xmax), |
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| 28 | numpy.fabs(self.base.data.xmin)) # must be positive |
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| 29 | self.connect = self.base.connect |
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| 30 | |
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| 31 | # Number of points on the plot |
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| 32 | self.nbins = 36 |
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| 33 | # Cursor position of Rings (Left(-1) or Right(1)) |
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| 34 | self.xmaxd = self.base.data.xmax |
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| 35 | self.xmind = self.base.data.xmin |
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| 36 | |
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| 37 | if (self.xmaxd + self.xmind) > 0: |
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| 38 | self.sign = 1 |
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| 39 | else: |
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| 40 | self.sign = -1 |
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| 41 | # Inner circle |
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| 42 | self.inner_circle = RingInteractor(self, self.axes, |
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| 43 | zorder=zorder, |
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| 44 | r=self.qmax / 2.0, sign=self.sign) |
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| 45 | self.inner_circle.qmax = self.qmax |
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| 46 | self.outer_circle = RingInteractor(self, self.axes, |
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| 47 | zorder=zorder + 1, r=self.qmax / 1.8, |
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| 48 | sign=self.sign) |
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| 49 | self.outer_circle.qmax = self.qmax * 1.2 |
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| 50 | self.update() |
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| 51 | self._post_data() |
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| 52 | |
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| 53 | self.setModelFromParams() |
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| 54 | |
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| 55 | def set_layer(self, n): |
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| 56 | """ |
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| 57 | Allow adding plot to the same panel |
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| 58 | :param n: the number of layer |
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| 59 | """ |
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| 60 | self.layernum = n |
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| 61 | self.update() |
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| 62 | |
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| 63 | def clear(self): |
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| 64 | """ |
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| 65 | Clear the slicer and all connected events related to this slicer |
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| 66 | """ |
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| 67 | self.clear_markers() |
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| 68 | self.outer_circle.clear() |
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| 69 | self.inner_circle.clear() |
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| 70 | self.base.connect.clearall() |
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| 71 | |
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| 72 | def update(self): |
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| 73 | """ |
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| 74 | Respond to changes in the model by recalculating the profiles and |
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| 75 | resetting the widgets. |
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| 76 | """ |
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| 77 | # Update locations |
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| 78 | self.inner_circle.update() |
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| 79 | self.outer_circle.update() |
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| 80 | |
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| 81 | def save(self, ev): |
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| 82 | """ |
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| 83 | Remember the roughness for this layer and the next so that we |
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| 84 | can restore on Esc. |
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| 85 | """ |
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| 86 | self.inner_circle.save(ev) |
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| 87 | self.outer_circle.save(ev) |
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| 88 | |
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| 89 | def _post_data(self, nbins=None): |
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| 90 | """ |
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| 91 | Uses annulus parameters to plot averaged data into 1D data. |
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| 92 | |
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| 93 | :param nbins: the number of points to plot |
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| 94 | |
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| 95 | """ |
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| 96 | # Data to average |
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| 97 | data = self.base.data |
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| 98 | if data is None: |
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| 99 | return |
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| 100 | |
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| 101 | from sas.sascalc.dataloader.manipulations import Ring |
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| 102 | rmin = min(numpy.fabs(self.inner_circle.get_radius()), |
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| 103 | numpy.fabs(self.outer_circle.get_radius())) |
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| 104 | rmax = max(numpy.fabs(self.inner_circle.get_radius()), |
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| 105 | numpy.fabs(self.outer_circle.get_radius())) |
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| 106 | # If the user does not specify the numbers of points to plot |
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| 107 | # the default number will be nbins= 36 |
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| 108 | if nbins is None: |
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| 109 | self.nbins = 36 |
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| 110 | else: |
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| 111 | self.nbins = nbins |
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| 112 | # Create the data1D Q average of data2D |
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| 113 | sect = Ring(r_min=rmin, r_max=rmax, nbins=self.nbins) |
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| 114 | sector = sect(self.base.data) |
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| 115 | |
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| 116 | if hasattr(sector, "dxl"): |
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| 117 | dxl = sector.dxl |
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| 118 | else: |
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| 119 | dxl = None |
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| 120 | if hasattr(sector, "dxw"): |
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| 121 | dxw = sector.dxw |
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| 122 | else: |
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| 123 | dxw = None |
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| 124 | new_plot = Data1D(x=(sector.x - numpy.pi) * 180 / numpy.pi, |
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| 125 | y=sector.y, dy=sector.dy) |
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| 126 | new_plot.dxl = dxl |
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| 127 | new_plot.dxw = dxw |
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| 128 | new_plot.name = "AnnulusPhi" + "(" + self.base.data.name + ")" |
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| 129 | new_plot.title = "AnnulusPhi" + "(" + self.base.data.name + ")" |
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| 130 | |
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| 131 | new_plot.source = self.base.data.source |
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| 132 | new_plot.interactive = True |
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| 133 | new_plot.detector = self.base.data.detector |
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| 134 | # If the data file does not tell us what the axes are, just assume... |
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| 135 | new_plot.xaxis("\\rm{\phi}", 'degrees') |
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| 136 | new_plot.yaxis("\\rm{Intensity} ", "cm^{-1}") |
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| 137 | if hasattr(data, "scale") and data.scale == 'linear' and \ |
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| 138 | self.base.data.name.count("Residuals") > 0: |
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| 139 | new_plot.ytransform = 'y' |
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| 140 | new_plot.yaxis("\\rm{Residuals} ", "/") |
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| 141 | |
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| 142 | new_plot.group_id = "AnnulusPhi" + self.base.data.name |
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| 143 | new_plot.id = "AnnulusPhi" + self.base.data.name |
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| 144 | new_plot.is_data = True |
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| 145 | new_plot.xtransform = "x" |
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| 146 | new_plot.ytransform = "y" |
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[cee5c78] | 147 | GuiUtils.updateModelItemWithPlot(self._item, new_plot, new_plot.id) |
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[dc5ef15] | 148 | self.base.manager.communicator.plotUpdateSignal.emit([new_plot]) |
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| 149 | |
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| 150 | if self.update_model: |
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| 151 | self.setModelFromParams() |
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| 152 | self.draw() |
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| 153 | |
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| 154 | def validate(self, param_name, param_value): |
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| 155 | """ |
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| 156 | Test the proposed new value "value" for row "row" of parameters |
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| 157 | """ |
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| 158 | MIN_DIFFERENCE = 0.01 |
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| 159 | isValid = True |
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| 160 | |
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| 161 | if param_name == 'inner_radius': |
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| 162 | # First, check the closeness |
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| 163 | if numpy.fabs(param_value - self.getParams()['outer_radius']) < MIN_DIFFERENCE: |
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| 164 | print("Inner and outer radii too close. Please adjust.") |
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| 165 | isValid = False |
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| 166 | elif param_value > self.qmax: |
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| 167 | print("Inner radius exceeds maximum range. Please adjust.") |
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| 168 | isValid = False |
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| 169 | elif param_name == 'outer_radius': |
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| 170 | # First, check the closeness |
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| 171 | if numpy.fabs(param_value - self.getParams()['inner_radius']) < MIN_DIFFERENCE: |
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| 172 | print("Inner and outer radii too close. Please adjust.") |
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| 173 | isValid = False |
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| 174 | elif param_value > self.qmax: |
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| 175 | print("Outer radius exceeds maximum range. Please adjust.") |
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| 176 | isValid = False |
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| 177 | elif param_name == 'nbins': |
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| 178 | # Can't be 0 |
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| 179 | if param_value < 1: |
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| 180 | print("Number of bins cannot be less than or equal to 0. Please adjust.") |
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| 181 | isValid = False |
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| 182 | |
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| 183 | return isValid |
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| 184 | |
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| 185 | def moveend(self, ev): |
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| 186 | """ |
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| 187 | Called when any dragging motion ends. |
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| 188 | Redraw the plot with new parameters. |
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| 189 | """ |
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| 190 | self._post_data(self.nbins) |
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| 191 | |
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| 192 | def restore(self): |
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| 193 | """ |
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| 194 | Restore the roughness for this layer. |
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| 195 | """ |
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| 196 | self.inner_circle.restore() |
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| 197 | self.outer_circle.restore() |
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| 198 | |
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| 199 | def move(self, x, y, ev): |
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| 200 | """ |
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| 201 | Process move to a new position, making sure that the move is allowed. |
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| 202 | """ |
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| 203 | pass |
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| 204 | |
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| 205 | def set_cursor(self, x, y): |
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| 206 | pass |
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| 207 | |
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| 208 | def getParams(self): |
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| 209 | """ |
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| 210 | Store a copy of values of parameters of the slicer into a dictionary. |
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| 211 | :return params: the dictionary created |
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| 212 | """ |
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| 213 | params = {} |
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| 214 | params["inner_radius"] = numpy.fabs(self.inner_circle._inner_mouse_x) |
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| 215 | params["outer_radius"] = numpy.fabs(self.outer_circle._inner_mouse_x) |
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| 216 | params["nbins"] = self.nbins |
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| 217 | return params |
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| 218 | |
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| 219 | def setParams(self, params): |
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| 220 | """ |
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| 221 | Receive a dictionary and reset the slicer with values contained |
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| 222 | in the values of the dictionary. |
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| 223 | |
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| 224 | :param params: a dictionary containing name of slicer parameters and |
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| 225 | values the user assigned to the slicer. |
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| 226 | """ |
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| 227 | inner = numpy.fabs(params["inner_radius"]) |
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| 228 | outer = numpy.fabs(params["outer_radius"]) |
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| 229 | self.nbins = int(params["nbins"]) |
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| 230 | # Update the picture |
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| 231 | self.inner_circle.set_cursor(inner, self.inner_circle._inner_mouse_y) |
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| 232 | self.outer_circle.set_cursor(outer, self.outer_circle._inner_mouse_y) |
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| 233 | # Post the data given the nbins entered by the user |
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| 234 | self._post_data(self.nbins) |
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| 235 | |
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| 236 | def draw(self): |
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| 237 | """ |
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| 238 | """ |
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| 239 | self.base.draw() |
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| 240 | |
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| 241 | |
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| 242 | class RingInteractor(BaseInteractor): |
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| 243 | """ |
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| 244 | Draw a ring Given a radius |
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| 245 | """ |
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| 246 | def __init__(self, base, axes, color='black', zorder=5, r=1.0, sign=1): |
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| 247 | """ |
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| 248 | :param: the color of the line that defined the ring |
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| 249 | :param r: the radius of the ring |
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| 250 | :param sign: the direction of motion the the marker |
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| 251 | |
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| 252 | """ |
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| 253 | BaseInteractor.__init__(self, base, axes, color=color) |
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| 254 | self.markers = [] |
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| 255 | self.axes = axes |
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| 256 | # Current radius of the ring |
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| 257 | self._inner_mouse_x = r |
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| 258 | # Value of the center of the ring |
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| 259 | self._inner_mouse_y = 0 |
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| 260 | # previous value of that radius |
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| 261 | self._inner_save_x = r |
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| 262 | # Save value of the center of the ring |
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| 263 | self._inner_save_y = 0 |
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| 264 | # Class instantiating RingIterator class |
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| 265 | self.base = base |
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| 266 | # the direction of the motion of the marker |
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| 267 | self.sign = sign |
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| 268 | # # Create a marker |
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| 269 | # Inner circle marker |
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| 270 | x_value = [self.sign * numpy.fabs(self._inner_mouse_x)] |
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| 271 | self.inner_marker = self.axes.plot(x_value, [0], linestyle='', |
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| 272 | marker='s', markersize=10, |
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| 273 | color=self.color, alpha=0.6, |
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| 274 | pickradius=5, label="pick", |
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| 275 | zorder=zorder, |
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| 276 | visible=True)[0] |
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| 277 | # Draw a circle |
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| 278 | [self.inner_circle] = self.axes.plot([], [], linestyle='-', marker='', color=self.color) |
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| 279 | # The number of points that make the ring line |
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| 280 | self.npts = 40 |
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| 281 | |
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| 282 | self.connect_markers([self.inner_marker]) |
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| 283 | self.update() |
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| 284 | |
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| 285 | def set_layer(self, n): |
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| 286 | """ |
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| 287 | Allow adding plot to the same panel |
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| 288 | |
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| 289 | :param n: the number of layer |
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| 290 | |
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| 291 | """ |
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| 292 | self.layernum = n |
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| 293 | self.update() |
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| 294 | |
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| 295 | def clear(self): |
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| 296 | """ |
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| 297 | Clear the slicer and all connected events related to this slicer |
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| 298 | """ |
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| 299 | self.clear_markers() |
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| 300 | self.inner_marker.remove() |
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| 301 | self.inner_circle.remove() |
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| 302 | |
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| 303 | def get_radius(self): |
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| 304 | """ |
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| 305 | :return self._inner_mouse_x: the current radius of the ring |
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| 306 | """ |
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| 307 | return self._inner_mouse_x |
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| 308 | |
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| 309 | def update(self): |
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| 310 | """ |
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| 311 | Draw the new roughness on the graph. |
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| 312 | """ |
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| 313 | # Plot inner circle |
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| 314 | x = [] |
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| 315 | y = [] |
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| 316 | for i in range(self.npts): |
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| 317 | phi = 2.0 * numpy.pi / (self.npts - 1) * i |
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| 318 | |
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| 319 | xval = 1.0 * self._inner_mouse_x * numpy.cos(phi) |
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| 320 | yval = 1.0 * self._inner_mouse_x * numpy.sin(phi) |
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| 321 | |
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| 322 | x.append(xval) |
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| 323 | y.append(yval) |
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| 324 | |
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| 325 | self.inner_marker.set(xdata=[self.sign * numpy.fabs(self._inner_mouse_x)], |
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| 326 | ydata=[0]) |
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| 327 | self.inner_circle.set_data(x, y) |
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| 328 | |
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| 329 | def save(self, ev): |
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| 330 | """ |
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| 331 | Remember the roughness for this layer and the next so that we |
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| 332 | can restore on Esc. |
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| 333 | """ |
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| 334 | self._inner_save_x = self._inner_mouse_x |
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| 335 | self._inner_save_y = self._inner_mouse_y |
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| 336 | |
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| 337 | def moveend(self, ev): |
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| 338 | """ |
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| 339 | Called after a dragging motion |
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| 340 | """ |
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| 341 | self.base.moveend(ev) |
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| 342 | |
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| 343 | def restore(self): |
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| 344 | """ |
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| 345 | Restore the roughness for this layer. |
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| 346 | """ |
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| 347 | self._inner_mouse_x = self._inner_save_x |
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| 348 | self._inner_mouse_y = self._inner_save_y |
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| 349 | |
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| 350 | def move(self, x, y, ev): |
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| 351 | """ |
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| 352 | Process move to a new position, making sure that the move is allowed. |
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| 353 | """ |
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| 354 | self._inner_mouse_x = x |
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| 355 | self._inner_mouse_y = y |
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| 356 | self.base.base.update() |
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| 357 | |
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| 358 | def set_cursor(self, x, y): |
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| 359 | """ |
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| 360 | draw the ring given x, y value |
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| 361 | """ |
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| 362 | self.move(x, y, None) |
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| 363 | self.update() |
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| 364 | |
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| 365 | def getParams(self): |
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| 366 | """ |
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| 367 | Store a copy of values of parameters of the slicer into a dictionary. |
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| 368 | :return params: the dictionary created |
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| 369 | """ |
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| 370 | params = {} |
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| 371 | params["radius"] = numpy.fabs(self._inner_mouse_x) |
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| 372 | return params |
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| 373 | |
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| 374 | def setParams(self, params): |
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| 375 | """ |
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| 376 | Receive a dictionary and reset the slicer with values contained |
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| 377 | in the values of the dictionary. |
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| 378 | |
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| 379 | :param params: a dictionary containing name of slicer parameters and |
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| 380 | values the user assigned to the slicer. |
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| 381 | |
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| 382 | """ |
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| 383 | x = params["radius"] |
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| 384 | self.set_cursor(x, self._inner_mouse_y) |
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| 385 | |
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| 386 | class CircularMask(BaseInteractor): |
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| 387 | """ |
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| 388 | Draw a ring Given a radius |
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| 389 | """ |
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| 390 | def __init__(self, base, axes, color='grey', zorder=3, side=None): |
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| 391 | """ |
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| 392 | :param: the color of the line that defined the ring |
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| 393 | :param r: the radius of the ring |
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| 394 | :param sign: the direction of motion the the marker |
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| 395 | """ |
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| 396 | BaseInteractor.__init__(self, base, axes, color=color) |
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| 397 | self.markers = [] |
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| 398 | self.axes = axes |
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| 399 | self.base = base |
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| 400 | self.is_inside = side |
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| 401 | self.qmax = min(numpy.fabs(self.base.data.xmax), |
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| 402 | numpy.fabs(self.base.data.xmin)) # must be positive |
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| 403 | self.connect = self.base.connect |
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| 404 | |
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| 405 | # Cursor position of Rings (Left(-1) or Right(1)) |
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| 406 | self.xmaxd = self.base.data.xmax |
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| 407 | self.xmind = self.base.data.xmin |
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| 408 | |
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| 409 | if (self.xmaxd + self.xmind) > 0: |
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| 410 | self.sign = 1 |
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| 411 | else: |
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| 412 | self.sign = -1 |
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| 413 | # Inner circle |
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| 414 | self.outer_circle = RingInteractor(self, self.axes, 'blue', |
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| 415 | zorder=zorder + 1, r=self.qmax / 1.8, |
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| 416 | sign=self.sign) |
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| 417 | self.outer_circle.qmax = self.qmax * 1.2 |
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| 418 | self.update() |
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| 419 | self._post_data() |
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| 420 | |
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| 421 | def set_layer(self, n): |
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| 422 | """ |
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| 423 | Allow adding plot to the same panel |
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| 424 | :param n: the number of layer |
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| 425 | """ |
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| 426 | self.layernum = n |
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| 427 | self.update() |
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| 428 | |
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| 429 | def clear(self): |
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| 430 | """ |
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| 431 | Clear the slicer and all connected events related to this slicer |
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| 432 | """ |
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| 433 | self.clear_markers() |
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| 434 | self.outer_circle.clear() |
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| 435 | self.base.connect.clearall() |
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| 436 | |
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| 437 | def update(self): |
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| 438 | """ |
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| 439 | Respond to changes in the model by recalculating the profiles and |
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| 440 | resetting the widgets. |
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| 441 | """ |
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| 442 | # Update locations |
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| 443 | self.outer_circle.update() |
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| 444 | self._post_data() |
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| 445 | out = self._post_data() |
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| 446 | return out |
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| 447 | |
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| 448 | def save(self, ev): |
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| 449 | """ |
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| 450 | Remember the roughness for this layer and the next so that we |
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| 451 | can restore on Esc. |
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| 452 | """ |
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| 453 | self.outer_circle.save(ev) |
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| 454 | |
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| 455 | def _post_data(self): |
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| 456 | """ |
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| 457 | Uses annulus parameters to plot averaged data into 1D data. |
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| 458 | |
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| 459 | :param nbins: the number of points to plot |
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| 460 | |
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| 461 | """ |
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| 462 | # Data to average |
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| 463 | data = self.base.data |
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| 464 | |
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| 465 | # If we have no data, just return |
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| 466 | if data is None: |
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| 467 | return |
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| 468 | mask = data.mask |
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| 469 | from sas.sascalc.dataloader.manipulations import Ringcut |
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| 470 | |
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| 471 | rmin = 0 |
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| 472 | rmax = numpy.fabs(self.outer_circle.get_radius()) |
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| 473 | |
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| 474 | # Create the data1D Q average of data2D |
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| 475 | mask = Ringcut(r_min=rmin, r_max=rmax) |
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| 476 | |
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| 477 | if self.is_inside: |
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| 478 | out = (mask(data) == False) |
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| 479 | else: |
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| 480 | out = (mask(data)) |
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| 481 | return out |
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| 482 | |
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| 483 | |
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| 484 | def moveend(self, ev): |
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| 485 | """ |
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| 486 | Called when any dragging motion ends. |
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| 487 | Post an event (type =SlicerParameterEvent) |
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| 488 | to plotter 2D with a copy slicer parameters |
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| 489 | Call _post_data method |
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| 490 | """ |
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| 491 | self.base.thaw_axes() |
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| 492 | # create a 1D data plot |
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| 493 | self._post_data() |
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| 494 | |
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| 495 | def restore(self): |
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| 496 | """ |
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| 497 | Restore the roughness for this layer. |
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| 498 | """ |
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| 499 | self.outer_circle.restore() |
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| 500 | |
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| 501 | def move(self, x, y, ev): |
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| 502 | """ |
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| 503 | Process move to a new position, making sure that the move is allowed. |
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| 504 | """ |
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| 505 | pass |
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| 506 | |
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| 507 | def set_cursor(self, x, y): |
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| 508 | pass |
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| 509 | |
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| 510 | def getParams(self): |
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| 511 | """ |
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| 512 | Store a copy of values of parameters of the slicer into a dictionary. |
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| 513 | |
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| 514 | :return params: the dictionary created |
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| 515 | |
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| 516 | """ |
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| 517 | params = {} |
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| 518 | params["outer_radius"] = numpy.fabs(self.outer_circle._inner_mouse_x) |
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| 519 | return params |
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| 520 | |
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| 521 | def setParams(self, params): |
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| 522 | """ |
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| 523 | Receive a dictionary and reset the slicer with values contained |
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| 524 | in the values of the dictionary. |
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| 525 | |
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| 526 | :param params: a dictionary containing name of slicer parameters and |
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| 527 | values the user assigned to the slicer. |
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| 528 | """ |
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| 529 | outer = numpy.fabs(params["outer_radius"]) |
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| 530 | # Update the picture |
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| 531 | self.outer_circle.set_cursor(outer, self.outer_circle._inner_mouse_y) |
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| 532 | # Post the data given the nbins entered by the user |
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| 533 | self._post_data() |
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| 534 | |
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| 535 | def draw(self): |
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| 536 | self.base.update() |
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| 537 | |
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