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 | |
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9 | # Debug printout |
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10 | from sans.guicomm.events import StatusEvent |
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11 | from sans.guicomm.events import NewPlotEvent |
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12 | from BaseInteractor import _BaseInteractor |
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13 | from copy import deepcopy |
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14 | import math |
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15 | |
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16 | import SlicerParameters |
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17 | import wx |
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18 | |
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19 | class AnnulusInteractor(_BaseInteractor): |
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20 | """ |
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21 | Select an annulus through a 2D plot |
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22 | """ |
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23 | def __init__(self,base,axes,color='black', zorder=3): |
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24 | |
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25 | _BaseInteractor.__init__(self, base, axes, color=color) |
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26 | self.markers = [] |
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27 | self.axes = axes |
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28 | self.base= base |
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29 | self.qmax = min(math.fabs(self.base.data2D.xmax),math.fabs(self.base.data2D.xmin)) #must be positive |
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30 | self.connect = self.base.connect |
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31 | |
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32 | |
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33 | ## Number of points on the plot |
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34 | self.nbins = 20 |
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35 | |
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36 | #Cursor position of Rings (Left(-1) or Right(1)) |
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37 | self.xmaxd=self.base.data2D.xmax |
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38 | self.xmind=self.base.data2D.xmin |
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39 | |
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40 | #self.sign=1 |
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41 | |
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42 | if (self.xmaxd+self.xmind)>0: |
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43 | self.sign=1 |
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44 | else: |
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45 | self.sign=-1 |
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46 | |
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47 | # Inner circle |
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48 | self.inner_circle = RingInteractor(self, self.base.subplot, zorder=zorder, r=self.qmax/2.0,sign=self.sign) |
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49 | self.inner_circle.qmax = self.qmax |
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50 | self.outer_circle = RingInteractor(self, self.base.subplot, zorder=zorder+1, r=self.qmax/1.8,sign=self.sign) |
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51 | self.outer_circle.qmax = self.qmax*1.2 |
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52 | #self.outer_circle.set_cursor(self.base.qmax/1.8, 0) |
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53 | |
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54 | |
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55 | self.update() |
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56 | self._post_data() |
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57 | |
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58 | # Bind to slice parameter events |
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59 | self.base.parent.Bind(SlicerParameters.EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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60 | |
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61 | |
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62 | def _onEVT_SLICER_PARS(self, event): |
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63 | wx.PostEvent(self.base.parent, StatusEvent(status="AnnulusSlicer._onEVT_SLICER_PARS")) |
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64 | event.Skip() |
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65 | if event.type == self.__class__.__name__: |
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66 | self.set_params(event.params) |
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67 | self.base.update() |
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68 | |
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69 | def update_and_post(self): |
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70 | self.update() |
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71 | self._post_data() |
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72 | |
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73 | def save_data(self, path, image, x, y): |
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74 | output = open(path, 'w') |
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75 | |
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76 | data_x, data_y = self.get_data(image, x, y) |
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77 | |
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78 | output.write("<phi> <average>\n") |
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79 | for i in range(len(data_x)): |
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80 | output.write("%g %g\n" % (data_x[i], data_y[i])) |
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81 | output.close() |
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82 | |
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83 | def set_layer(self, n): |
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84 | self.layernum = n |
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85 | self.update() |
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86 | |
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87 | def clear(self): |
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88 | self.clear_markers() |
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89 | self.outer_circle.clear() |
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90 | self.inner_circle.clear() |
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91 | #self.base.connect.disconnect() |
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92 | self.base.parent.Unbind(SlicerParameters.EVT_SLICER_PARS) |
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93 | |
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94 | def update(self): |
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95 | """ |
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96 | Respond to changes in the model by recalculating the profiles and |
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97 | resetting the widgets. |
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98 | """ |
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99 | # Update locations |
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100 | self.inner_circle.update() |
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101 | self.outer_circle.update() |
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102 | |
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103 | |
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104 | |
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105 | def save(self, ev): |
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106 | """ |
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107 | Remember the roughness for this layer and the next so that we |
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108 | can restore on Esc. |
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109 | """ |
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110 | self.base.freeze_axes() |
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111 | self.inner_circle.save(ev) |
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112 | self.outer_circle.save(ev) |
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113 | |
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114 | def _post_data(self,nbins=None): |
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115 | # Compute data |
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116 | data = self.base.data2D |
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117 | # If we have no data, just return |
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118 | if data == None: |
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119 | return |
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120 | |
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121 | from DataLoader.manipulations import SectorPhi |
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122 | radius = self.qmax#math.sqrt(math.pow(self.qmax,2)+math.pow(self.qmax,2)) |
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123 | rmin= math.fabs(self.inner_circle.get_radius()) |
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124 | rmax = math.fabs(self.outer_circle.get_radius()) |
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125 | phi_min=-math.pi |
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126 | phi_max=math.pi |
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127 | phimi=phi_min+math.pi |
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128 | phima=phi_max+math.pi |
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129 | sect = SectorPhi(r_min=rmin , r_max= rmax, phi_min=phimi, phi_max=phima) |
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130 | if nbins!=None: |
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131 | sect.nbins = nbins |
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132 | |
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133 | sector = sect(self.base.data2D) |
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134 | |
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135 | from sans.guiframe.dataFitting import Data1D |
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136 | if hasattr(sector,"dxl"): |
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137 | dxl= sector.dxl |
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138 | else: |
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139 | dxl= None |
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140 | if hasattr(sector,"dxw"): |
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141 | dxw= sector.dxw |
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142 | else: |
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143 | dxw= None |
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144 | |
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145 | new_plot = Data1D(x=sector.x,y=sector.y,dy=sector.dy,dxl=dxl,dxw=dxw) |
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146 | new_plot.name = "SectorPhi" +"("+ self.base.data2D.name+")" |
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147 | |
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148 | |
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149 | |
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150 | new_plot.source=self.base.data2D.source |
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151 | #new_plot.info=self.base.data2D.info |
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152 | new_plot.interactive = True |
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153 | #print "loader output.detector",output.source |
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154 | new_plot.detector =self.base.data2D.detector |
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155 | # If the data file does not tell us what the axes are, just assume... |
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156 | new_plot.xaxis("\\rm{\phi}", 'rad') |
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157 | new_plot.yaxis("\\rm{Intensity} ","cm^{-1}") |
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158 | new_plot.group_id = "SectorPhi"+self.base.data2D.name |
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159 | new_plot.xtransform="x" |
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160 | new_plot.ytransform="y" |
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161 | wx.PostEvent(self.base.parent, NewPlotEvent(plot=new_plot, |
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162 | title="SectorPhi" )) |
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163 | |
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164 | |
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165 | |
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166 | |
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167 | def moveend(self, ev): |
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168 | self.base.thaw_axes() |
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169 | |
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170 | # Post paramters |
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171 | event = SlicerParameters.SlicerParameterEvent() |
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172 | event.type = self.__class__.__name__ |
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173 | event.params = self.get_params() |
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174 | wx.PostEvent(self.base.parent, event) |
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175 | |
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176 | self._post_data() |
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177 | |
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178 | def restore(self): |
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179 | """ |
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180 | Restore the roughness for this layer. |
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181 | """ |
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182 | self.inner_circle.restore() |
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183 | self.outer_circle.restore() |
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184 | |
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185 | def move(self, x, y, ev): |
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186 | """ |
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187 | Process move to a new position, making sure that the move is allowed. |
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188 | """ |
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189 | pass |
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190 | |
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191 | def set_cursor(self, x, y): |
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192 | pass |
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193 | |
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194 | def get_params(self): |
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195 | params = {} |
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196 | params["inner_radius"] = self.inner_circle._inner_mouse_x |
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197 | params["outer_radius"] = self.outer_circle._inner_mouse_x |
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198 | params["nbins"] = self.nbins |
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199 | return params |
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200 | |
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201 | def set_params(self, params): |
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202 | |
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203 | inner = params["inner_radius"] |
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204 | outer = params["outer_radius"] |
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205 | self.nbins = int(params["nbins"]) |
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206 | self.inner_circle.set_cursor(inner, self.inner_circle._inner_mouse_y) |
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207 | self.outer_circle.set_cursor(outer, self.outer_circle._inner_mouse_y) |
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208 | self._post_data(self.nbins) |
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209 | |
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210 | def freeze_axes(self): |
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211 | self.base.freeze_axes() |
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212 | |
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213 | def thaw_axes(self): |
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214 | self.base.thaw_axes() |
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215 | |
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216 | def draw(self): |
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217 | self.base.draw() |
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218 | |
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219 | |
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220 | class RingInteractor(_BaseInteractor): |
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221 | """ |
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222 | Select an annulus through a 2D plot |
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223 | """ |
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224 | def __init__(self,base,axes,color='black', zorder=5, r=1.0,sign=1): |
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225 | |
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226 | _BaseInteractor.__init__(self, base, axes, color=color) |
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227 | self.markers = [] |
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228 | self.axes = axes |
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229 | self._inner_mouse_x = r |
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230 | self._inner_mouse_y = 0 |
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231 | self._inner_save_x = r |
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232 | self._inner_save_y = 0 |
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233 | self.scale = 10.0 |
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234 | self.base= base |
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235 | self.sign=sign |
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236 | |
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237 | |
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238 | print "sign",self.sign,self.sign*math.fabs(self._inner_mouse_x) |
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239 | |
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240 | try: |
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241 | # Inner circle marker |
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242 | self.inner_marker = self.axes.plot([self.sign*math.fabs(self._inner_mouse_x)],[0], linestyle='', |
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243 | marker='s', markersize=10, |
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244 | color=self.color, alpha=0.6, |
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245 | pickradius=5, label="pick", |
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246 | zorder=zorder, # Prefer this to other lines |
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247 | visible=True)[0] |
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248 | except: |
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249 | self.inner_marker = self.axes.plot([self.sign*math.fabs(self._inner_mouse_x)],[0], linestyle='', |
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250 | marker='s', markersize=10, |
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251 | color=self.color, alpha=0.6, |
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252 | label="pick", |
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253 | visible=True)[0] |
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254 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION OF MATPLOTLIB\n" |
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255 | message += "Get the SVN version that is at least as recent as June 1, 2007" |
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256 | |
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257 | #raise "Version error", message |
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258 | |
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259 | # Inner circle |
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260 | |
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261 | |
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262 | [self.inner_circle] = self.axes.plot([],[], |
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263 | linestyle='-', marker='', |
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264 | color=self.color) |
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265 | self.npts = 40 |
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266 | |
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267 | self.connect_markers([self.inner_marker]) |
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268 | self.update() |
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269 | |
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270 | def set_layer(self, n): |
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271 | self.layernum = n |
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272 | self.update() |
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273 | |
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274 | def clear(self): |
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275 | self.clear_markers() |
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276 | try: |
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277 | self.inner_marker.remove() |
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278 | self.inner_circle.remove() |
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279 | except: |
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280 | # Old version of matplotlib |
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281 | for item in range(len(self.axes.lines)): |
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282 | del self.axes.lines[0] |
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283 | |
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284 | |
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285 | |
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286 | def get_radius(self): |
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287 | return self._inner_mouse_x |
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288 | |
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289 | def update(self): |
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290 | """ |
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291 | Draw the new roughness on the graph. |
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292 | """ |
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293 | # Plot inner circle |
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294 | x = [] |
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295 | y = [] |
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296 | for i in range(self.npts): |
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297 | phi = 2.0*math.pi/(self.npts-1)*i |
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298 | |
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299 | xval = 1.0*self._inner_mouse_x*math.cos(phi) |
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300 | yval = 1.0*self._inner_mouse_x*math.sin(phi) |
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301 | |
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302 | x.append(xval) |
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303 | y.append(yval) |
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304 | |
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305 | self.inner_marker.set(xdata=[self.sign*math.fabs(self._inner_mouse_x)],ydata=[0]) |
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306 | self.inner_circle.set_data(x, y) |
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307 | |
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308 | def save(self, ev): |
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309 | """ |
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310 | Remember the roughness for this layer and the next so that we |
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311 | can restore on Esc. |
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312 | """ |
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313 | self._inner_save_x = self._inner_mouse_x |
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314 | self._inner_save_y = self._inner_mouse_y |
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315 | self.base.freeze_axes() |
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316 | |
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317 | def moveend(self, ev): |
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318 | self.base.moveend(ev) |
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319 | |
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320 | def restore(self): |
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321 | """ |
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322 | Restore the roughness for this layer. |
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323 | """ |
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324 | self._inner_mouse_x = self._inner_save_x |
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325 | self._inner_mouse_y = self._inner_save_y |
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326 | |
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327 | def move(self, x, y, ev): |
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328 | """ |
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329 | Process move to a new position, making sure that the move is allowed. |
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330 | """ |
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331 | self._inner_mouse_x = x |
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332 | self._inner_mouse_y = y |
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333 | self.base.base.update() |
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334 | |
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335 | def set_cursor(self, x, y): |
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336 | self.move(x, y, None) |
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337 | self.update() |
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338 | |
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339 | |
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340 | def get_params(self): |
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341 | params = {} |
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342 | params["radius"] = math.fabs(self._inner_mouse_x) |
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343 | return params |
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344 | |
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345 | def set_params(self, params): |
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346 | |
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347 | x = params["radius"] |
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348 | self.set_cursor(x, self._inner_mouse_y) |
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349 | |
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350 | |
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