1 | """ |
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2 | Sector interactor |
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3 | """ |
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4 | import math |
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5 | |
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6 | import wx |
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7 | |
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8 | from sas.sasgui.guiframe.events import NewPlotEvent |
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9 | from sas.sasgui.guiframe.events import StatusEvent |
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10 | from sas.sasgui.guiframe.events import SlicerParameterEvent |
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11 | from sas.sasgui.guiframe.events import EVT_SLICER_PARS |
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12 | from sas.sasgui.guiframe.dataFitting import Data1D |
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13 | |
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14 | from .BaseInteractor import _BaseInteractor |
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15 | |
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16 | |
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17 | class SectorInteractor(_BaseInteractor): |
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18 | """ |
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19 | Draw a sector slicer.Allow to performQ averaging on data 2D |
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20 | """ |
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21 | def __init__(self, base, axes, color='black', zorder=3): |
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22 | |
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23 | _BaseInteractor.__init__(self, base, axes, color=color) |
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24 | ## Class initialization |
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25 | self.markers = [] |
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26 | self.axes = axes |
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27 | ## connect the plot to event |
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28 | self.connect = self.base.connect |
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29 | |
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30 | ## compute qmax limit to reset the graph |
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31 | x = math.pow(max(self.base.data2D.xmax, |
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32 | math.fabs(self.base.data2D.xmin)), 2) |
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33 | y = math.pow(max(self.base.data2D.ymax, |
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34 | math.fabs(self.base.data2D.ymin)), 2) |
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35 | self.qmax = math.sqrt(x + y) |
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36 | ## Number of points on the plot |
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37 | self.nbins = 20 |
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38 | ## Angle of the middle line |
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39 | self.theta2 = math.pi / 3 |
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40 | ## Absolute value of the Angle between the middle line and any side line |
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41 | self.phi = math.pi / 12 |
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42 | # Binning base for log/lin binning |
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43 | self.bin_base = 0 |
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44 | ## Middle line |
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45 | self.main_line = LineInteractor(self, self.base.subplot, color='blue', |
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46 | zorder=zorder, r=self.qmax, |
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47 | theta=self.theta2) |
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48 | self.main_line.qmax = self.qmax |
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49 | ## Right Side line |
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50 | self.right_line = SideInteractor(self, self.base.subplot, color='black', |
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51 | zorder=zorder, r=self.qmax, |
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52 | phi=-1 * self.phi, theta2=self.theta2) |
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53 | self.right_line.qmax = self.qmax |
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54 | ## Left Side line |
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55 | self.left_line = SideInteractor(self, self.base.subplot, color='black', |
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56 | zorder=zorder, r=self.qmax, |
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57 | phi=self.phi, theta2=self.theta2) |
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58 | self.left_line.qmax = self.qmax |
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59 | ## draw the sector |
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60 | self.update() |
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61 | self._post_data() |
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62 | ## Bind to slice parameter events |
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63 | self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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64 | |
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65 | def _onEVT_SLICER_PARS(self, event): |
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66 | """ |
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67 | receive an event containing parameters values to reset the slicer |
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68 | |
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69 | :param event: event of type SlicerParameterEvent with params as |
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70 | attribute |
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71 | |
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72 | """ |
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73 | wx.PostEvent(self.base.parent, |
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74 | StatusEvent(status="SectorSlicer._onEVT_SLICER_PARS")) |
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75 | event.Skip() |
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76 | if event.type == self.__class__.__name__: |
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77 | self.set_params(event.params) |
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78 | self.base.update() |
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79 | |
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80 | def set_layer(self, n): |
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81 | """ |
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82 | Allow adding plot to the same panel |
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83 | |
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84 | :param n: the number of layer |
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85 | |
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86 | """ |
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87 | self.layernum = n |
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88 | self.update() |
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89 | |
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90 | def clear(self): |
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91 | """ |
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92 | Clear the slicer and all connected events related to this slicer |
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93 | """ |
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94 | self.clear_markers() |
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95 | self.main_line.clear() |
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96 | self.left_line.clear() |
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97 | self.right_line.clear() |
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98 | self.base.connect.clearall() |
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99 | self.base.Unbind(EVT_SLICER_PARS) |
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100 | |
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101 | def update(self): |
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102 | """ |
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103 | Respond to changes in the model by recalculating the profiles and |
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104 | resetting the widgets. |
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105 | """ |
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106 | # Update locations |
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107 | ## Check if the middle line was dragged and |
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108 | #update the picture accordingly |
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109 | if self.main_line.has_move: |
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110 | self.main_line.update() |
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111 | self.right_line.update(delta=-self.left_line.phi / 2, |
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112 | mline=self.main_line.theta) |
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113 | self.left_line.update(delta=self.left_line.phi / 2, |
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114 | mline=self.main_line.theta) |
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115 | ## Check if the left side has moved and update the slicer accordingly |
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116 | if self.left_line.has_move: |
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117 | self.main_line.update() |
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118 | self.left_line.update(phi=None, delta=None, mline=self.main_line, |
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119 | side=True, left=True) |
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120 | self.right_line.update(phi=self.left_line.phi, delta=None, |
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121 | mline=self.main_line, side=True, |
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122 | left=False, right=True) |
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123 | ## Check if the right side line has moved and |
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124 | #update the slicer accordingly |
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125 | if self.right_line.has_move: |
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126 | self.main_line.update() |
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127 | self.right_line.update(phi=None, delta=None, mline=self.main_line, |
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128 | side=True, left=False, right=True) |
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129 | self.left_line.update(phi=self.right_line.phi, delta=None, |
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130 | mline=self.main_line, side=True, left=False) |
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131 | |
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132 | def save(self, ev): |
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133 | """ |
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134 | Remember the roughness for this layer and the next so that we |
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135 | can restore on Esc. |
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136 | """ |
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137 | self.base.freeze_axes() |
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138 | self.main_line.save(ev) |
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139 | self.right_line.save(ev) |
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140 | self.left_line.save(ev) |
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141 | |
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142 | def _post_data(self, nbins=None): |
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143 | """ |
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144 | compute sector averaging of data2D into data1D |
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145 | |
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146 | :param nbins: the number of point to plot for the average 1D data |
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147 | """ |
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148 | ## get the data2D to average |
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149 | data = self.base.data2D |
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150 | # If we have no data, just return |
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151 | if data is None: |
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152 | return |
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153 | ## Averaging |
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154 | from sas.sascalc.dataloader.manipulations import SectorQ |
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155 | radius = self.qmax |
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156 | phimin = -self.left_line.phi + self.main_line.theta |
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157 | phimax = self.left_line.phi + self.main_line.theta |
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158 | bin_base = self.bin_base |
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159 | if nbins is None: |
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160 | nbins = 20 |
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161 | sect = SectorQ(r_min=0.0, r_max=radius, |
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162 | phi_min=phimin + math.pi, |
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163 | phi_max=phimax + math.pi, nbins=nbins, base=bin_base) |
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164 | |
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165 | sector = sect(self.base.data2D) |
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166 | ##Create 1D data resulting from average |
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167 | |
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168 | if hasattr(sector, "dxl"): |
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169 | dxl = sector.dxl |
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170 | else: |
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171 | dxl = None |
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172 | if hasattr(sector, "dxw"): |
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173 | dxw = sector.dxw |
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174 | else: |
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175 | dxw = None |
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176 | new_plot = Data1D(x=sector.x, y=sector.y, dy=sector.dy, dx=sector.dx) |
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177 | new_plot.dxl = dxl |
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178 | new_plot.dxw = dxw |
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179 | new_plot.name = "SectorQ" + "(" + self.base.data2D.name + ")" |
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180 | new_plot.source = self.base.data2D.source |
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181 | #new_plot.info=self.base.data2D.info |
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182 | new_plot.interactive = True |
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183 | new_plot.detector = self.base.data2D.detector |
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184 | ## If the data file does not tell us what the axes are, just assume... |
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185 | new_plot.xaxis("\\rm{Q}", "A^{-1}") |
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186 | new_plot.yaxis("\\rm{Intensity}", "cm^{-1}") |
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187 | if hasattr(data, "scale") and data.scale == 'linear' and \ |
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188 | self.base.data2D.name.count("Residuals") > 0: |
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189 | new_plot.ytransform = 'y' |
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190 | new_plot.yaxis("\\rm{Residuals} ", "/") |
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191 | |
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192 | new_plot.group_id = "2daverage" + self.base.data2D.name |
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193 | new_plot.id = "SectorQ" + self.base.data2D.name |
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194 | new_plot.is_data = True |
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195 | self.base.parent.update_theory(data_id=data.id, theory=new_plot) |
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196 | wx.PostEvent(self.base.parent, |
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197 | NewPlotEvent(plot=new_plot, title="SectorQ" + self.base.data2D.name)) |
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198 | |
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199 | def moveend(self, ev): |
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200 | """ |
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201 | Called a dragging motion ends.Get slicer event |
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202 | """ |
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203 | self.base.thaw_axes() |
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204 | ## Post parameters |
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205 | event = SlicerParameterEvent() |
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206 | event.type = self.__class__.__name__ |
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207 | event.params = self.get_params() |
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208 | ## Send slicer paramers to plotter2D |
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209 | wx.PostEvent(self.base, event) |
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210 | |
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211 | def restore(self): |
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212 | """ |
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213 | Restore the roughness for this layer. |
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214 | """ |
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215 | self.main_line.restore() |
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216 | self.left_line.restore() |
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217 | self.right_line.restore() |
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218 | |
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219 | def move(self, x, y, ev): |
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220 | """ |
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221 | Process move to a new position, making sure that the move is allowed. |
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222 | """ |
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223 | pass |
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224 | |
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225 | def set_cursor(self, x, y): |
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226 | """ |
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227 | """ |
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228 | pass |
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229 | |
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230 | def get_params(self): |
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231 | """ |
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232 | Store a copy of values of parameters of the slicer into a dictionary. |
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233 | |
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234 | :return params: the dictionary created |
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235 | |
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236 | """ |
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237 | params = {} |
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238 | ## Always make sure that the left and the right line are at phi |
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239 | ## angle of the middle line |
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240 | if math.fabs(self.left_line.phi) != math.fabs(self.right_line.phi): |
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241 | msg = "Phi left and phi right are different" |
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242 | msg += " %f, %f" % (self.left_line.phi, self.right_line.phi) |
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243 | raise ValueError(msg) |
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244 | params["Phi [deg]"] = self.main_line.theta * 180 / math.pi |
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245 | params["Delta_Phi [deg]"] = math.fabs(self.left_line.phi * 180 / math.pi) |
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246 | params["nbins"] = self.nbins |
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247 | params["binning base"] = self.bin_base |
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248 | return params |
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249 | |
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250 | def set_params(self, params): |
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251 | """ |
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252 | Receive a dictionary and reset the slicer with values contained |
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253 | in the values of the dictionary. |
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254 | |
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255 | :param params: a dictionary containing name of slicer parameters and |
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256 | values the user assigned to the slicer. |
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257 | """ |
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258 | main = params["Phi [deg]"] * math.pi / 180 |
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259 | phi = math.fabs(params["Delta_Phi [deg]"] * math.pi / 180) |
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260 | self.nbins = int(params["nbins"]) |
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261 | self.bin_base = params["binning base"] |
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262 | self.main_line.theta = main |
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263 | ## Reset the slicer parameters |
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264 | self.main_line.update() |
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265 | self.right_line.update(phi=phi, delta=None, mline=self.main_line, |
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266 | side=True, right=True) |
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267 | self.left_line.update(phi=phi, delta=None, |
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268 | mline=self.main_line, side=True) |
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269 | ## post the new corresponding data |
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270 | self._post_data(nbins=self.nbins) |
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271 | |
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272 | def freeze_axes(self): |
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273 | """ |
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274 | """ |
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275 | self.base.freeze_axes() |
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276 | |
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277 | def thaw_axes(self): |
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278 | """ |
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279 | """ |
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280 | self.base.thaw_axes() |
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281 | |
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282 | def draw(self): |
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283 | """ |
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284 | """ |
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285 | self.base.draw() |
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286 | |
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287 | |
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288 | class SideInteractor(_BaseInteractor): |
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289 | """ |
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290 | Draw an oblique line |
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291 | |
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292 | :param phi: the phase between the middle line and one side line |
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293 | :param theta2: the angle between the middle line and x- axis |
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294 | |
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295 | """ |
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296 | def __init__(self, base, axes, color='black', zorder=5, r=1.0, |
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297 | phi=math.pi / 4, theta2=math.pi / 3): |
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298 | """ |
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299 | """ |
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300 | _BaseInteractor.__init__(self, base, axes, color=color) |
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301 | ## Initialize the class |
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302 | self.markers = [] |
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303 | self.axes = axes |
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304 | ## compute the value of the angle between the current line and |
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305 | ## the x-axis |
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306 | self.save_theta = theta2 + phi |
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307 | self.theta = theta2 + phi |
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308 | ## the value of the middle line angle with respect to the x-axis |
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309 | self.theta2 = theta2 |
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310 | ## Radius to find polar coordinates this line's endpoints |
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311 | self.radius = r |
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312 | ## phi is the phase between the current line and the middle line |
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313 | self.phi = phi |
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314 | ## End points polar coordinates |
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315 | x1 = self.radius * math.cos(self.theta) |
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316 | y1 = self.radius * math.sin(self.theta) |
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317 | x2 = -1 * self.radius * math.cos(self.theta) |
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318 | y2 = -1 * self.radius * math.sin(self.theta) |
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319 | ## defining a new marker |
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320 | self.inner_marker = self.axes.plot([x1 / 2.5], [y1 / 2.5], linestyle='', |
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321 | marker='s', markersize=10, |
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322 | color=self.color, alpha=0.6, |
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323 | pickradius=5, label="pick", |
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324 | zorder=zorder, visible=True)[0] |
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325 | |
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326 | ## Defining the current line |
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327 | self.line = self.axes.plot([x1, x2], [y1, y2], |
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328 | linestyle='-', marker='', |
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329 | color=self.color, visible=True)[0] |
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330 | ## Flag to differentiate the left line from the right line motion |
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331 | self.left_moving = False |
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332 | ## Flag to define a motion |
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333 | self.has_move = False |
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334 | ## connecting markers and draw the picture |
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335 | self.connect_markers([self.inner_marker, self.line]) |
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336 | |
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337 | def set_layer(self, n): |
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338 | """ |
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339 | Allow adding plot to the same panel |
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340 | |
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341 | :param n: the number of layer |
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342 | |
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343 | """ |
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344 | self.layernum = n |
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345 | self.update() |
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346 | |
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347 | def clear(self): |
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348 | """ |
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349 | Clear the slicer and all connected events related to this slicer |
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350 | """ |
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351 | self.clear_markers() |
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352 | try: |
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353 | self.line.remove() |
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354 | self.inner_marker.remove() |
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355 | except: |
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356 | # Old version of matplotlib |
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357 | for item in range(len(self.axes.lines)): |
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358 | del self.axes.lines[0] |
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359 | |
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360 | def update(self, phi=None, delta=None, mline=None, |
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361 | side=False, left=False, right=False): |
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362 | """ |
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363 | Draw oblique line |
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364 | |
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365 | :param phi: the phase between the middle line and the current line |
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366 | :param delta: phi/2 applied only when the mline was moved |
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367 | |
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368 | """ |
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369 | #print "update left or right ", self.has_move |
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370 | self.left_moving = left |
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371 | theta3 = 0 |
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372 | if phi is not None: |
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373 | self.phi = phi |
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374 | if delta is None: |
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375 | delta = 0 |
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376 | if right: |
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377 | self.phi = -1 * math.fabs(self.phi) |
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378 | #delta=-delta |
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379 | else: |
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380 | self.phi = math.fabs(self.phi) |
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381 | if side: |
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382 | self.theta = mline.theta + self.phi |
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383 | |
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384 | if mline is not None: |
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385 | if delta != 0: |
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386 | self.theta2 = mline + delta |
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387 | else: |
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388 | self.theta2 = mline.theta |
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389 | if delta == 0: |
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390 | theta3 = self.theta + delta |
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391 | else: |
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392 | theta3 = self.theta2 + delta |
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393 | x1 = self.radius * math.cos(theta3) |
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394 | y1 = self.radius * math.sin(theta3) |
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395 | x2 = -1 * self.radius * math.cos(theta3) |
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396 | y2 = -1 * self.radius * math.sin(theta3) |
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397 | self.inner_marker.set(xdata=[x1 / 2.5], ydata=[y1 / 2.5]) |
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398 | self.line.set(xdata=[x1, x2], ydata=[y1, y2]) |
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399 | |
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400 | def save(self, ev): |
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401 | """ |
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402 | Remember the roughness for this layer and the next so that we |
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403 | can restore on Esc. |
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404 | """ |
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405 | self.save_theta = self.theta |
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406 | self.base.freeze_axes() |
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407 | |
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408 | def moveend(self, ev): |
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409 | """ |
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410 | """ |
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411 | self.has_move = False |
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412 | self.base.moveend(ev) |
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413 | |
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414 | def restore(self): |
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415 | """ |
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416 | Restore the roughness for this layer. |
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417 | """ |
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418 | self.theta = self.save_theta |
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419 | |
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420 | def move(self, x, y, ev): |
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421 | """ |
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422 | Process move to a new position, making sure that the move is allowed. |
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423 | """ |
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424 | self.theta = math.atan2(y, x) |
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425 | self.has_move = True |
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426 | #ToDo: Simplify below |
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427 | if not self.left_moving: |
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428 | if self.theta2 - self.theta <= 0 and self.theta2 > 0: |
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429 | self.restore() |
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430 | return |
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431 | elif self.theta2 < 0 and self.theta < 0 and \ |
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432 | self.theta - self.theta2 >= 0: |
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433 | self.restore() |
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434 | return |
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435 | elif self.theta2 < 0 and self.theta > 0 and \ |
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436 | (self.theta2 + 2 * math.pi - self.theta) >= math.pi / 2: |
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437 | self.restore() |
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438 | return |
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439 | elif self.theta2 < 0 and self.theta < 0 and \ |
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440 | (self.theta2 - self.theta) >= math.pi / 2: |
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441 | self.restore() |
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442 | return |
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443 | elif self.theta2 > 0 and (self.theta2 - self.theta >= math.pi / 2 or \ |
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444 | (self.theta2 - self.theta >= math.pi / 2)): |
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445 | self.restore() |
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446 | return |
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447 | else: |
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448 | if self.theta < 0 and (self.theta + math.pi * 2 - self.theta2) <= 0: |
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449 | self.restore() |
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450 | return |
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451 | elif self.theta2 < 0 and (self.theta - self.theta2) <= 0: |
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452 | self.restore() |
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453 | return |
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454 | elif self.theta > 0 and self.theta - self.theta2 <= 0: |
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455 | self.restore() |
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456 | return |
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457 | elif self.theta - self.theta2 >= math.pi / 2 or \ |
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458 | ((self.theta + math.pi * 2 - self.theta2) >= math.pi / 2 and \ |
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459 | self.theta < 0 and self.theta2 > 0): |
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460 | self.restore() |
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461 | return |
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462 | |
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463 | self.phi = math.fabs(self.theta2 - self.theta) |
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464 | if self.phi > math.pi: |
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465 | self.phi = 2 * math.pi - math.fabs(self.theta2 - self.theta) |
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466 | self.base.base.update() |
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467 | |
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468 | def set_cursor(self, x, y): |
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469 | """ |
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470 | """ |
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471 | self.move(x, y, None) |
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472 | self.update() |
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473 | |
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474 | def get_params(self): |
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475 | """ |
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476 | """ |
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477 | params = {} |
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478 | params["radius"] = self.radius |
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479 | params["theta"] = self.theta |
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480 | return params |
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481 | |
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482 | def set_params(self, params): |
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483 | """ |
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484 | """ |
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485 | x = params["radius"] |
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486 | self.set_cursor(x, None) |
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487 | |
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488 | |
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489 | class LineInteractor(_BaseInteractor): |
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490 | """ |
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491 | Select an annulus through a 2D plot |
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492 | """ |
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493 | def __init__(self, base, axes, color='black', |
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494 | zorder=5, r=1.0, theta=math.pi / 4): |
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495 | """ |
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496 | """ |
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497 | _BaseInteractor.__init__(self, base, axes, color=color) |
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498 | |
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499 | self.markers = [] |
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500 | self.axes = axes |
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501 | self.save_theta = theta |
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502 | self.theta = theta |
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503 | self.radius = r |
---|
504 | self.scale = 10.0 |
---|
505 | # Inner circle |
---|
506 | x1 = self.radius * math.cos(self.theta) |
---|
507 | y1 = self.radius * math.sin(self.theta) |
---|
508 | x2 = -1 * self.radius * math.cos(self.theta) |
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509 | y2 = -1 * self.radius * math.sin(self.theta) |
---|
510 | # Inner circle marker |
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511 | self.inner_marker = self.axes.plot([x1 / 2.5], [y1 / 2.5], linestyle='', |
---|
512 | marker='s', markersize=10, |
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513 | color=self.color, alpha=0.6, |
---|
514 | pickradius=5, label="pick", |
---|
515 | zorder=zorder, |
---|
516 | visible=True)[0] |
---|
517 | self.line = self.axes.plot([x1, x2], [y1, y2], |
---|
518 | linestyle='-', marker='', |
---|
519 | color=self.color, visible=True)[0] |
---|
520 | self.npts = 20 |
---|
521 | self.has_move = False |
---|
522 | self.connect_markers([self.inner_marker, self.line]) |
---|
523 | self.update() |
---|
524 | |
---|
525 | def set_layer(self, n): |
---|
526 | """ |
---|
527 | """ |
---|
528 | self.layernum = n |
---|
529 | self.update() |
---|
530 | |
---|
531 | def clear(self): |
---|
532 | """ |
---|
533 | """ |
---|
534 | self.clear_markers() |
---|
535 | try: |
---|
536 | self.inner_marker.remove() |
---|
537 | self.line.remove() |
---|
538 | except: |
---|
539 | # Old version of matplotlib |
---|
540 | for item in range(len(self.axes.lines)): |
---|
541 | del self.axes.lines[0] |
---|
542 | |
---|
543 | def update(self, theta=None): |
---|
544 | """ |
---|
545 | Draw the new roughness on the graph. |
---|
546 | """ |
---|
547 | |
---|
548 | if theta is not None: |
---|
549 | self.theta = theta |
---|
550 | x1 = self.radius * math.cos(self.theta) |
---|
551 | y1 = self.radius * math.sin(self.theta) |
---|
552 | x2 = -1 * self.radius * math.cos(self.theta) |
---|
553 | y2 = -1 * self.radius * math.sin(self.theta) |
---|
554 | |
---|
555 | self.inner_marker.set(xdata=[x1 / 2.5], ydata=[y1 / 2.5]) |
---|
556 | self.line.set(xdata=[x1, x2], ydata=[y1, y2]) |
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557 | |
---|
558 | def save(self, ev): |
---|
559 | """ |
---|
560 | Remember the roughness for this layer and the next so that we |
---|
561 | can restore on Esc. |
---|
562 | """ |
---|
563 | self.save_theta = self.theta |
---|
564 | self.base.freeze_axes() |
---|
565 | |
---|
566 | def moveend(self, ev): |
---|
567 | """ |
---|
568 | """ |
---|
569 | self.has_move = False |
---|
570 | self.base.moveend(ev) |
---|
571 | |
---|
572 | def restore(self): |
---|
573 | """ |
---|
574 | Restore the roughness for this layer. |
---|
575 | """ |
---|
576 | self.theta = self.save_theta |
---|
577 | |
---|
578 | def move(self, x, y, ev): |
---|
579 | """ |
---|
580 | Process move to a new position, making sure that the move is allowed. |
---|
581 | """ |
---|
582 | self.theta = math.atan2(y, x) |
---|
583 | self.has_move = True |
---|
584 | self.base.base.update() |
---|
585 | |
---|
586 | def set_cursor(self, x, y): |
---|
587 | """ |
---|
588 | """ |
---|
589 | self.move(x, y, None) |
---|
590 | self.update() |
---|
591 | |
---|
592 | def get_params(self): |
---|
593 | """ |
---|
594 | """ |
---|
595 | params = {} |
---|
596 | params["radius"] = self.radius |
---|
597 | params["theta"] = self.theta |
---|
598 | return params |
---|
599 | |
---|
600 | def set_params(self, params): |
---|
601 | """ |
---|
602 | """ |
---|
603 | x = params["radius"] |
---|
604 | self.set_cursor(x, None) |
---|