1 | # TODO: the line slicer should listen to all 2DREFRESH events, get the data and slice it |
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2 | # before pushing a new 1D data update. |
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3 | |
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4 | # |
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5 | # TODO: NEED MAJOR REFACTOR |
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6 | # |
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7 | |
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8 | import math |
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9 | # from copy import deepcopy |
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10 | |
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11 | import wx |
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12 | |
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13 | from sas.sasgui.guiframe.events import NewPlotEvent |
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14 | from sas.sasgui.guiframe.events import StatusEvent |
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15 | from sas.sasgui.guiframe.events import SlicerParameterEvent |
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16 | from sas.sasgui.guiframe.events import EVT_SLICER_PARS |
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17 | from sas.sasgui.guiframe.dataFitting import Data1D |
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18 | |
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19 | from .BaseInteractor import _BaseInteractor |
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20 | |
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21 | class AnnulusInteractor(_BaseInteractor): |
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22 | """ |
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23 | Select an annulus through a 2D plot. |
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24 | This interactor is used to average 2D data with the region |
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25 | defined by 2 radius. |
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26 | this class is defined by 2 Ringinterators. |
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27 | """ |
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28 | def __init__(self, base, axes, color='black', zorder=3): |
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29 | |
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30 | _BaseInteractor.__init__(self, base, axes, color=color) |
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31 | self.markers = [] |
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32 | self.axes = axes |
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33 | self.base = base |
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34 | self.qmax = min(math.fabs(self.base.data2D.xmax), |
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35 | math.fabs(self.base.data2D.xmin)) # must be positive |
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36 | self.connect = self.base.connect |
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37 | |
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38 | # # Number of points on the plot |
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39 | self.nbins = 36 |
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40 | # Cursor position of Rings (Left(-1) or Right(1)) |
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41 | self.xmaxd = self.base.data2D.xmax |
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42 | self.xmind = self.base.data2D.xmin |
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43 | |
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44 | if (self.xmaxd + self.xmind) > 0: |
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45 | self.sign = 1 |
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46 | else: |
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47 | self.sign = -1 |
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48 | # Inner circle |
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49 | self.inner_circle = RingInteractor(self, self.base.subplot, |
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50 | zorder=zorder, |
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51 | r=self.qmax / 2.0, sign=self.sign) |
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52 | self.inner_circle.qmax = self.qmax |
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53 | self.outer_circle = RingInteractor(self, self.base.subplot, |
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54 | zorder=zorder + 1, r=self.qmax / 1.8, |
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55 | sign=self.sign) |
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56 | self.outer_circle.qmax = self.qmax * 1.2 |
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57 | self.update() |
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58 | self._post_data() |
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59 | |
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60 | # Bind to slice parameter events |
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61 | self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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62 | |
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63 | def _onEVT_SLICER_PARS(self, event): |
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64 | """ |
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65 | receive an event containing parameters values to reset the slicer |
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66 | |
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67 | :param event: event of type SlicerParameterEvent with params as |
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68 | attribute |
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69 | |
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70 | """ |
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71 | wx.PostEvent(self.base, |
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72 | StatusEvent(status="AnnulusSlicer._onEVT_SLICER_PARS")) |
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73 | event.Skip() |
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74 | if event.type == self.__class__.__name__: |
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75 | self.set_params(event.params) |
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76 | self.base.update() |
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77 | |
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78 | def set_layer(self, n): |
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79 | """ |
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80 | Allow adding plot to the same panel |
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81 | |
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82 | :param n: the number of layer |
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83 | |
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84 | """ |
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85 | self.layernum = n |
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86 | self.update() |
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87 | |
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88 | def clear(self): |
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89 | """ |
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90 | Clear the slicer and all connected events related to this slicer |
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91 | """ |
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92 | self.clear_markers() |
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93 | self.outer_circle.clear() |
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94 | self.inner_circle.clear() |
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95 | self.base.connect.clearall() |
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96 | self.base.Unbind(EVT_SLICER_PARS) |
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97 | |
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98 | def update(self): |
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99 | """ |
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100 | Respond to changes in the model by recalculating the profiles and |
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101 | resetting the widgets. |
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102 | """ |
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103 | # Update locations |
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104 | self.inner_circle.update() |
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105 | self.outer_circle.update() |
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106 | |
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107 | def save(self, ev): |
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108 | """ |
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109 | Remember the roughness for this layer and the next so that we |
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110 | can restore on Esc. |
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111 | """ |
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112 | self.base.freeze_axes() |
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113 | self.inner_circle.save(ev) |
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114 | self.outer_circle.save(ev) |
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115 | |
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116 | def _post_data(self, nbins=None): |
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117 | """ |
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118 | Uses annulus parameters to plot averaged data into 1D data. |
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119 | |
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120 | :param nbins: the number of points to plot |
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121 | |
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122 | """ |
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123 | # Data to average |
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124 | data = self.base.data2D |
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125 | # If we have no data, just return |
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126 | if data is None: |
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127 | return |
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128 | |
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129 | from sas.sascalc.dataloader.manipulations import Ring |
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130 | rmin = min(math.fabs(self.inner_circle.get_radius()), |
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131 | math.fabs(self.outer_circle.get_radius())) |
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132 | rmax = max(math.fabs(self.inner_circle.get_radius()), |
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133 | math.fabs(self.outer_circle.get_radius())) |
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134 | # if the user does not specify the numbers of points to plot |
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135 | # the default number will be nbins= 36 |
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136 | if nbins is None: |
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137 | self.nbins = 36 |
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138 | else: |
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139 | self.nbins = nbins |
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140 | # # create the data1D Q average of data2D |
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141 | sect = Ring(r_min=rmin, r_max=rmax, nbins=self.nbins) |
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142 | sector = sect(self.base.data2D) |
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143 | |
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144 | if hasattr(sector, "dxl"): |
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145 | dxl = sector.dxl |
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146 | else: |
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147 | dxl = None |
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148 | if hasattr(sector, "dxw"): |
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149 | dxw = sector.dxw |
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150 | else: |
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151 | dxw = None |
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152 | new_plot = Data1D(x=(sector.x - math.pi) * 180 / math.pi, |
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153 | y=sector.y, dy=sector.dy) |
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154 | new_plot.dxl = dxl |
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155 | new_plot.dxw = dxw |
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156 | new_plot.name = "AnnulusPhi" + "(" + self.base.data2D.name + ")" |
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157 | |
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158 | new_plot.source = self.base.data2D.source |
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159 | # new_plot.info=self.base.data2D.info |
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160 | new_plot.interactive = True |
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161 | new_plot.detector = self.base.data2D.detector |
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162 | # If the data file does not tell us what the axes are, just assume... |
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163 | new_plot.xaxis(r"\rm{\phi}", 'degrees') |
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164 | new_plot.yaxis(r"\rm{Intensity} ", "cm^{-1}") |
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165 | if (hasattr(data, "scale") and data.scale == 'linear' |
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166 | and self.base.data2D.name.count("Residuals") > 0): |
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167 | new_plot.ytransform = 'y' |
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168 | new_plot.yaxis(r"\rm{Residuals} ", "/") |
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169 | |
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170 | new_plot.group_id = "AnnulusPhi" + self.base.data2D.name |
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171 | new_plot.id = "AnnulusPhi" + self.base.data2D.name |
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172 | new_plot.is_data = True |
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173 | new_plot.xtransform = "x" |
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174 | new_plot.ytransform = "y" |
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175 | self.base.parent.update_theory(data_id=data.id, theory=new_plot) |
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176 | wx.PostEvent(self.base.parent, NewPlotEvent(plot=new_plot, title="AnnulusPhi")) |
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177 | |
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178 | def moveend(self, ev): |
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179 | """ |
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180 | Called when any dragging motion ends. |
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181 | Post an event (type =SlicerParameterEvent) |
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182 | to plotter 2D with a copy slicer parameters |
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183 | Call _post_data method |
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184 | """ |
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185 | self.base.thaw_axes() |
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186 | # Post parameters to plotter 2D |
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187 | event = SlicerParameterEvent() |
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188 | event.type = self.__class__.__name__ |
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189 | event.params = self.get_params() |
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190 | wx.PostEvent(self.base, event) |
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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 get_params(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 | |
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212 | :return params: the dictionary created |
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213 | |
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214 | """ |
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215 | params = {} |
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216 | params["inner_radius"] = math.fabs(self.inner_circle._inner_mouse_x) |
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217 | params["outer_radius"] = math.fabs(self.outer_circle._inner_mouse_x) |
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218 | params["nbins"] = self.nbins |
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219 | return params |
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220 | |
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221 | def set_params(self, params): |
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222 | """ |
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223 | Receive a dictionary and reset the slicer with values contained |
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224 | in the values of the dictionary. |
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225 | |
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226 | :param params: a dictionary containing name of slicer parameters and |
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227 | values the user assigned to the slicer. |
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228 | |
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229 | """ |
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230 | inner = math.fabs(params["inner_radius"]) |
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231 | outer = math.fabs(params["outer_radius"]) |
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232 | self.nbins = int(params["nbins"]) |
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233 | # # Update the picture |
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234 | self.inner_circle.set_cursor(inner, self.inner_circle._inner_mouse_y) |
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235 | self.outer_circle.set_cursor(outer, self.outer_circle._inner_mouse_y) |
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236 | # # Post the data given the nbins entered by the user |
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237 | self._post_data(self.nbins) |
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238 | |
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239 | def freeze_axes(self): |
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240 | """ |
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241 | """ |
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242 | self.base.freeze_axes() |
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243 | |
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244 | def thaw_axes(self): |
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245 | """ |
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246 | """ |
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247 | self.base.thaw_axes() |
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248 | |
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249 | def draw(self): |
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250 | """ |
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251 | """ |
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252 | self.base.draw() |
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253 | |
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254 | |
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255 | class RingInteractor(_BaseInteractor): |
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256 | """ |
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257 | Draw a ring Given a radius |
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258 | """ |
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259 | def __init__(self, base, axes, color='black', zorder=5, r=1.0, sign=1): |
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260 | """ |
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261 | :param: the color of the line that defined the ring |
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262 | :param r: the radius of the ring |
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263 | :param sign: the direction of motion the the marker |
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264 | |
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265 | """ |
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266 | _BaseInteractor.__init__(self, base, axes, color=color) |
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267 | self.markers = [] |
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268 | self.axes = axes |
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269 | # Current radius of the ring |
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270 | self._inner_mouse_x = r |
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271 | # Value of the center of the ring |
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272 | self._inner_mouse_y = 0 |
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273 | # previous value of that radius |
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274 | self._inner_save_x = r |
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275 | # Save value of the center of the ring |
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276 | self._inner_save_y = 0 |
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277 | # Class instantiating RingIterator class |
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278 | self.base = base |
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279 | # the direction of the motion of the marker |
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280 | self.sign = sign |
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281 | # # Create a marker |
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282 | try: |
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283 | # Inner circle marker |
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284 | x_value = [self.sign * math.fabs(self._inner_mouse_x)] |
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285 | self.inner_marker = self.axes.plot(x_value, [0], linestyle='', |
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286 | marker='s', markersize=10, |
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287 | color=self.color, alpha=0.6, |
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288 | pickradius=5, label="pick", |
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289 | zorder=zorder, |
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290 | visible=True)[0] |
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291 | except: |
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292 | x_value = [self.sign * math.fabs(self._inner_mouse_x)] |
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293 | self.inner_marker = self.axes.plot(x_value, [0], linestyle='', |
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294 | marker='s', markersize=10, |
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295 | color=self.color, alpha=0.6, |
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296 | label="pick", |
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297 | visible=True)[0] |
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298 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST" |
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299 | message += " VERSION OF MATPLOTLIB\n" |
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300 | message += "Get the SVN version that is at " |
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301 | message += " least as recent as June 1, 2007" |
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302 | |
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303 | owner = self.base.base.parent |
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304 | wx.PostEvent(owner, StatusEvent(status="AnnulusSlicer: %s" % message)) |
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305 | |
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306 | # Draw a circle |
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307 | [self.inner_circle] = self.axes.plot([], [], linestyle='-', marker='', color=self.color) |
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308 | # the number of points that make the ring line |
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309 | self.npts = 40 |
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310 | |
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311 | self.connect_markers([self.inner_marker]) |
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312 | self.update() |
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313 | |
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314 | def set_layer(self, n): |
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315 | """ |
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316 | Allow adding plot to the same panel |
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317 | |
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318 | :param n: the number of layer |
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319 | |
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320 | """ |
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321 | self.layernum = n |
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322 | self.update() |
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323 | |
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324 | def clear(self): |
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325 | """ |
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326 | Clear the slicer and all connected events related to this slicer |
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327 | """ |
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328 | self.clear_markers() |
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329 | try: |
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330 | self.inner_marker.remove() |
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331 | self.inner_circle.remove() |
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332 | except: |
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333 | # Old version of matplotlib |
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334 | for item in range(len(self.axes.lines)): |
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335 | del self.axes.lines[0] |
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336 | |
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337 | def get_radius(self): |
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338 | """ |
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339 | :return self._inner_mouse_x: the current radius of the ring |
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340 | """ |
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341 | return self._inner_mouse_x |
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342 | |
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343 | def update(self): |
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344 | """ |
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345 | Draw the new roughness on the graph. |
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346 | """ |
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347 | # Plot inner circle |
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348 | x = [] |
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349 | y = [] |
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350 | for i in range(self.npts): |
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351 | phi = 2.0 * math.pi / (self.npts - 1) * i |
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352 | |
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353 | xval = 1.0 * self._inner_mouse_x * math.cos(phi) |
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354 | yval = 1.0 * self._inner_mouse_x * math.sin(phi) |
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355 | |
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356 | x.append(xval) |
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357 | y.append(yval) |
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358 | |
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359 | self.inner_marker.set(xdata=[self.sign * math.fabs(self._inner_mouse_x)], |
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360 | ydata=[0]) |
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361 | self.inner_circle.set_data(x, y) |
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362 | |
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363 | def save(self, ev): |
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364 | """ |
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365 | Remember the roughness for this layer and the next so that we |
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366 | can restore on Esc. |
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367 | """ |
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368 | self._inner_save_x = self._inner_mouse_x |
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369 | self._inner_save_y = self._inner_mouse_y |
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370 | self.base.freeze_axes() |
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371 | |
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372 | def moveend(self, ev): |
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373 | """ |
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374 | Called after a dragging motion |
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375 | """ |
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376 | self.base.moveend(ev) |
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377 | |
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378 | def restore(self): |
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379 | """ |
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380 | Restore the roughness for this layer. |
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381 | """ |
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382 | self._inner_mouse_x = self._inner_save_x |
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383 | self._inner_mouse_y = self._inner_save_y |
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384 | |
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385 | def move(self, x, y, ev): |
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386 | """ |
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387 | Process move to a new position, making sure that the move is allowed. |
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388 | """ |
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389 | self._inner_mouse_x = x |
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390 | self._inner_mouse_y = y |
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391 | self.base.base.update() |
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392 | |
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393 | def set_cursor(self, x, y): |
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394 | """ |
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395 | draw the ring given x, y value |
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396 | """ |
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397 | self.move(x, y, None) |
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398 | self.update() |
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399 | |
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400 | |
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401 | def get_params(self): |
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402 | """ |
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403 | Store a copy of values of parameters of the slicer into a dictionary. |
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404 | |
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405 | :return params: the dictionary created |
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406 | |
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407 | """ |
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408 | params = {} |
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409 | params["radius"] = math.fabs(self._inner_mouse_x) |
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410 | return params |
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411 | |
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412 | def set_params(self, params): |
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413 | """ |
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414 | Receive a dictionary and reset the slicer with values contained |
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415 | in the values of the dictionary. |
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416 | |
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417 | :param params: a dictionary containing name of slicer parameters and |
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418 | values the user assigned to the slicer. |
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419 | |
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420 | """ |
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421 | x = params["radius"] |
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422 | self.set_cursor(x, self._inner_mouse_y) |
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423 | |
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424 | class CircularMask(_BaseInteractor): |
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425 | """ |
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426 | Draw a ring Given a radius |
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427 | """ |
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428 | def __init__(self, base, axes, color='grey', zorder=3, side=None): |
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429 | """ |
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430 | :param: the color of the line that defined the ring |
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431 | :param r: the radius of the ring |
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432 | :param sign: the direction of motion the the marker |
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433 | """ |
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434 | _BaseInteractor.__init__(self, base, axes, color=color) |
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435 | self.markers = [] |
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436 | self.axes = axes |
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437 | self.base = base |
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438 | self.is_inside = side |
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439 | self.qmax = min(math.fabs(self.base.data.xmax), |
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440 | math.fabs(self.base.data.xmin)) # must be positive |
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441 | self.connect = self.base.connect |
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442 | |
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443 | # Cursor position of Rings (Left(-1) or Right(1)) |
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444 | self.xmaxd = self.base.data.xmax |
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445 | self.xmind = self.base.data.xmin |
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446 | |
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447 | if (self.xmaxd + self.xmind) > 0: |
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448 | self.sign = 1 |
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449 | else: |
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450 | self.sign = -1 |
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451 | # Inner circle |
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452 | self.outer_circle = RingInteractor(self, self.base.subplot, 'blue', |
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453 | zorder=zorder + 1, r=self.qmax / 1.8, |
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454 | sign=self.sign) |
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455 | self.outer_circle.qmax = self.qmax * 1.2 |
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456 | self.update() |
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457 | self._post_data() |
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458 | |
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459 | # Bind to slice parameter events |
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460 | # self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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461 | |
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462 | def _onEVT_SLICER_PARS(self, event): |
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463 | """ |
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464 | receive an event containing parameters values to reset the slicer |
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465 | |
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466 | :param event: event of type SlicerParameterEvent with params as |
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467 | attribute |
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468 | """ |
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469 | wx.PostEvent(self.base, |
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470 | StatusEvent(status="AnnulusSlicer._onEVT_SLICER_PARS")) |
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471 | event.Skip() |
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472 | if event.type == self.__class__.__name__: |
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473 | self.set_params(event.params) |
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474 | self.base.update() |
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475 | |
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476 | def set_layer(self, n): |
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477 | """ |
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478 | Allow adding plot to the same panel |
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479 | |
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480 | :param n: the number of layer |
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481 | |
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482 | """ |
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483 | self.layernum = n |
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484 | self.update() |
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485 | |
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486 | def clear(self): |
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487 | """ |
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488 | Clear the slicer and all connected events related to this slicer |
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489 | """ |
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490 | self.clear_markers() |
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491 | self.outer_circle.clear() |
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492 | self.base.connect.clearall() |
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493 | # self.base.Unbind(EVT_SLICER_PARS) |
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494 | |
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495 | def update(self): |
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496 | """ |
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497 | Respond to changes in the model by recalculating the profiles and |
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498 | resetting the widgets. |
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499 | """ |
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500 | # Update locations |
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501 | self.outer_circle.update() |
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502 | # if self.is_inside is not None: |
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503 | out = self._post_data() |
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504 | return out |
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505 | |
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506 | def save(self, ev): |
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507 | """ |
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508 | Remember the roughness for this layer and the next so that we |
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509 | can restore on Esc. |
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510 | """ |
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511 | self.base.freeze_axes() |
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512 | self.outer_circle.save(ev) |
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513 | |
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514 | def _post_data(self): |
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515 | """ |
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516 | Uses annulus parameters to plot averaged data into 1D data. |
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517 | |
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518 | :param nbins: the number of points to plot |
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519 | |
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520 | """ |
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521 | # Data to average |
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522 | data = self.base.data |
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523 | |
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524 | # If we have no data, just return |
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525 | if data is None: |
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526 | return |
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527 | mask = data.mask |
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528 | from sas.sascalc.dataloader.manipulations import Ringcut |
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529 | |
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530 | rmin = 0 |
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531 | rmax = math.fabs(self.outer_circle.get_radius()) |
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532 | |
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533 | # # create the data1D Q average of data2D |
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534 | mask = Ringcut(r_min=rmin, r_max=rmax) |
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535 | |
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536 | if self.is_inside: |
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537 | out = (mask(data) == False) |
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538 | else: |
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539 | out = (mask(data)) |
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540 | # self.base.data.mask=out |
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541 | return out |
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542 | |
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543 | |
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544 | def moveend(self, ev): |
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545 | """ |
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546 | Called when any dragging motion ends. |
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547 | Post an event (type =SlicerParameterEvent) |
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548 | to plotter 2D with a copy slicer parameters |
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549 | Call _post_data method |
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550 | """ |
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551 | self.base.thaw_axes() |
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552 | # create a 1D data plot |
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553 | self._post_data() |
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554 | |
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555 | def restore(self): |
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556 | """ |
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557 | Restore the roughness for this layer. |
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558 | """ |
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559 | self.outer_circle.restore() |
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560 | |
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561 | def move(self, x, y, ev): |
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562 | """ |
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563 | Process move to a new position, making sure that the move is allowed. |
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564 | """ |
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565 | pass |
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566 | |
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567 | def set_cursor(self, x, y): |
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568 | pass |
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569 | |
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570 | def get_params(self): |
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571 | """ |
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572 | Store a copy of values of parameters of the slicer into a dictionary. |
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573 | |
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574 | :return params: the dictionary created |
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575 | |
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576 | """ |
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577 | params = {} |
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578 | params["outer_radius"] = math.fabs(self.outer_circle._inner_mouse_x) |
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579 | return params |
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580 | |
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581 | def set_params(self, params): |
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582 | """ |
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583 | Receive a dictionary and reset the slicer with values contained |
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584 | in the values of the dictionary. |
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585 | |
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586 | :param params: a dictionary containing name of slicer parameters and |
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587 | values the user assigned to the slicer. |
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588 | """ |
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589 | outer = math.fabs(params["outer_radius"]) |
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590 | # # Update the picture |
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591 | self.outer_circle.set_cursor(outer, self.outer_circle._inner_mouse_y) |
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592 | # # Post the data given the nbins entered by the user |
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593 | self._post_data() |
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594 | |
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595 | def freeze_axes(self): |
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596 | self.base.freeze_axes() |
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597 | |
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598 | def thaw_axes(self): |
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599 | self.base.thaw_axes() |
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600 | |
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601 | def draw(self): |
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602 | self.base.update() |
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603 | |
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