1 | """ |
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2 | This software was developed by the University of Tennessee as part of the |
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3 | Distributed Data Analysis of Neutron Scattering Experiments (DANSE) |
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4 | project funded by the US National Science Foundation. |
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5 | |
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6 | See the license text in license.txt |
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7 | |
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8 | copyright 2008, University of Tennessee |
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9 | """ |
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10 | |
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11 | |
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12 | import wx |
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13 | import sys, math |
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14 | import pylab |
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15 | |
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16 | import danse.common.plottools |
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17 | from danse.common.plottools.PlotPanel import PlotPanel |
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18 | from danse.common.plottools.plottables import Graph,Data1D |
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19 | from sans.guicomm.events import EVT_NEW_PLOT |
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20 | from sans.guicomm.events import EVT_SLICER_PARS |
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21 | from sans.guicomm.events import StatusEvent ,NewPlotEvent,SlicerEvent |
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22 | from sans.guiframe.utils import PanelMenu |
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23 | from binder import BindArtist |
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24 | from Plotter1D import ModelPanel1D |
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25 | (InternalEvent, EVT_INTERNAL) = wx.lib.newevent.NewEvent() |
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26 | |
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27 | |
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28 | |
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29 | DEFAULT_QMAX = 0.05 |
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30 | DEFAULT_QSTEP = 0.001 |
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31 | DEFAULT_BEAM = 0.005 |
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32 | BIN_WIDTH = 1.0 |
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33 | |
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34 | |
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35 | |
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36 | |
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37 | class ModelPanel2D( ModelPanel1D): |
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38 | """ |
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39 | Plot panel for use with the GUI manager |
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40 | """ |
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41 | |
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42 | ## Internal name for the AUI manager |
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43 | window_name = "plotpanel" |
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44 | ## Title to appear on top of the window |
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45 | window_caption = "Plot Panel" |
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46 | ## Flag to tell the GUI manager that this panel is not |
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47 | # tied to any perspective |
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48 | ALWAYS_ON = True |
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49 | ## Group ID |
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50 | group_id = None |
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51 | |
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52 | |
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53 | def __init__(self, parent, id = -1,data2d=None, color = None,\ |
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54 | dpi = None, style = wx.NO_FULL_REPAINT_ON_RESIZE, **kwargs): |
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55 | """ |
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56 | Initialize the panel |
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57 | """ |
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58 | ModelPanel1D.__init__(self, parent, id = id, style = style, **kwargs) |
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59 | |
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60 | ## Reference to the parent window |
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61 | self.parent = parent |
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62 | ## Dictionary containing Plottables |
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63 | self.plots = {} |
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64 | ## Save reference of the current plotted |
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65 | self.data2D = data2d |
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66 | ## Unique ID (from gui_manager) |
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67 | self.uid = None |
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68 | ## Action IDs for internal call-backs |
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69 | self.action_ids = {} |
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70 | ## Create Artist and bind it |
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71 | self.connect = BindArtist(self.subplot.figure) |
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72 | ## Beam stop |
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73 | self.beamstop_radius = DEFAULT_BEAM |
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74 | ## to set the order of lines drawn first. |
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75 | self.slicer_z = 5 |
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76 | ## Reference to the current slicer |
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77 | self.slicer = None |
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78 | ## event to send slicer info |
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79 | self.Bind(EVT_INTERNAL, self._onEVT_INTERNAL) |
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80 | |
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81 | self.axes_frozen = False |
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82 | ## panel that contains result from slicer motion (ex: Boxsum info) |
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83 | self.panel_slicer=None |
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84 | ## Graph |
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85 | self.graph = Graph() |
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86 | self.graph.xaxis("\\rm{Q}", 'A^{-1}') |
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87 | self.graph.yaxis("\\rm{Intensity} ","cm^{-1}") |
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88 | self.graph.render(self) |
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89 | |
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90 | |
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91 | def _onEVT_1DREPLOT(self, event): |
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92 | """ |
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93 | Data is ready to be displayed |
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94 | |
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95 | #TODO: this name should be changed to something more appropriate |
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96 | # Don't forget that changing this name will mean changing code |
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97 | # in plotting.py |
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98 | |
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99 | @param event: data event |
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100 | """ |
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101 | ## Update self.data2d with the current plot |
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102 | self.data2D = event.plot |
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103 | |
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104 | #TODO: Check for existence of plot attribute |
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105 | |
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106 | # Check whether this is a replot. If we ask for a replot |
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107 | # and the plottable no longer exists, ignore the event. |
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108 | if hasattr(event, "update") and event.update==True \ |
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109 | and event.plot.name not in self.plots.keys(): |
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110 | return |
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111 | |
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112 | if hasattr(event, "reset"): |
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113 | self._reset() |
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114 | is_new = True |
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115 | if event.plot.name in self.plots.keys(): |
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116 | # Check whether the class of plottable changed |
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117 | if not event.plot.__class__==self.plots[event.plot.name].__class__: |
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118 | #overwrite a plottable using the same name |
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119 | self.graph.delete(self.plots[event.plot.name]) |
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120 | else: |
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121 | # plottable is already draw on the panel |
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122 | is_new = False |
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123 | |
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124 | if is_new: |
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125 | # a new plottable overwrites a plotted one using the same id |
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126 | for plottable in self.plots.itervalues(): |
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127 | if hasattr(event.plot,"id"): |
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128 | if event.plot.id==plottable.id : |
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129 | self.graph.delete(plottable) |
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130 | |
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131 | self.plots[event.plot.name] = event.plot |
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132 | self.graph.add(self.plots[event.plot.name]) |
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133 | else: |
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134 | # Update the plottable with the new data |
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135 | |
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136 | #TODO: we should have a method to do this, |
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137 | # something along the lines of: |
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138 | # plottable1.update_data_from_plottable(plottable2) |
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139 | |
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140 | self.plots[event.plot.name].xmin = event.plot.xmin |
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141 | self.plots[event.plot.name].xmax = event.plot.xmax |
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142 | self.plots[event.plot.name].ymin = event.plot.ymin |
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143 | self.plots[event.plot.name].ymax = event.plot.ymax |
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144 | self.plots[event.plot.name].data = event.plot.data |
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145 | self.plots[event.plot.name].err_data = event.plot.err_data |
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146 | # update qmax with the new xmax of data plotted |
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147 | self.qmax= event.plot.xmax |
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148 | |
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149 | self.slicer= None |
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150 | # Check axis labels |
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151 | #TODO: Should re-factor this |
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152 | ## render the graph with its new content |
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153 | |
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154 | #data2D: put 'Pixel (Number)' for axis title and unit in case of having no detector info and none in _units |
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155 | if len(self.data2D.detector) < 1: |
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156 | if len(event.plot._xunit)< 1 and len(event.plot._yunit) < 1: |
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157 | event.plot._xaxis = '\\rm{x}' |
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158 | event.plot._yaxis = '\\rm{y}' |
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159 | event.plot._xunit = 'pixel' |
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160 | event.plot._yunit = 'pixel' |
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161 | |
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162 | self.graph.xaxis(event.plot._xaxis, event.plot._xunit) |
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163 | self.graph.yaxis(event.plot._yaxis, event.plot._yunit) |
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164 | self.graph.title(self.data2D.name) |
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165 | self.graph.render(self) |
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166 | self.subplot.figure.canvas.draw_idle() |
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167 | |
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168 | |
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169 | def onContextMenu(self, event): |
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170 | """ |
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171 | 2D plot context menu |
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172 | @param event: wx context event |
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173 | """ |
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174 | |
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175 | slicerpop = PanelMenu() |
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176 | slicerpop.set_plots(self.plots) |
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177 | slicerpop.set_graph(self.graph) |
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178 | |
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179 | id = wx.NewId() |
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180 | slicerpop.Append(id, '&Save image') |
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181 | wx.EVT_MENU(self, id, self.onSaveImage) |
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182 | |
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183 | id = wx.NewId() |
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184 | slicerpop.Append(id,'&Print image', 'Print image ') |
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185 | wx.EVT_MENU(self, id, self.onPrint) |
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186 | |
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187 | id = wx.NewId() |
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188 | slicerpop.Append(id,'&Print Preview', 'image preview for print') |
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189 | wx.EVT_MENU(self, id, self.onPrinterPreview) |
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190 | |
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191 | slicerpop.AppendSeparator() |
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192 | if len(self.data2D.detector) == 1: |
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193 | |
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194 | item_list = self.parent.get_context_menu(self.graph) |
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195 | if (not item_list==None) and (not len(item_list)==0): |
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196 | |
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197 | for item in item_list: |
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198 | try: |
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199 | id = wx.NewId() |
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200 | slicerpop.Append(id, item[0], item[1]) |
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201 | wx.EVT_MENU(self, id, item[2]) |
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202 | except: |
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203 | wx.PostEvent(self.parent, StatusEvent(status=\ |
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204 | "ModelPanel1D.onContextMenu: bad menu item %s"%sys.exc_value)) |
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205 | pass |
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206 | slicerpop.AppendSeparator() |
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207 | |
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208 | id = wx.NewId() |
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209 | slicerpop.Append(id, '&Perform circular average') |
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210 | wx.EVT_MENU(self, id, self.onCircular) |
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211 | |
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212 | id = wx.NewId() |
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213 | slicerpop.Append(id, '&Sector [Q view]') |
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214 | wx.EVT_MENU(self, id, self.onSectorQ) |
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215 | |
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216 | id = wx.NewId() |
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217 | slicerpop.Append(id, '&Annulus [Phi view ]') |
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218 | wx.EVT_MENU(self, id, self.onSectorPhi) |
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219 | |
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220 | id = wx.NewId() |
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221 | slicerpop.Append(id, '&Box Sum') |
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222 | wx.EVT_MENU(self, id, self.onBoxSum) |
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223 | |
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224 | id = wx.NewId() |
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225 | slicerpop.Append(id, '&Box averaging in Qx') |
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226 | wx.EVT_MENU(self, id, self.onBoxavgX) |
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227 | |
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228 | id = wx.NewId() |
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229 | slicerpop.Append(id, '&Box averaging in Qy') |
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230 | wx.EVT_MENU(self, id, self.onBoxavgY) |
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231 | |
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232 | if self.slicer !=None : |
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233 | id = wx.NewId() |
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234 | slicerpop.Append(id, '&Clear slicer') |
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235 | wx.EVT_MENU(self, id, self.onClearSlicer) |
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236 | |
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237 | if self.slicer.__class__.__name__ !="BoxSum": |
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238 | id = wx.NewId() |
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239 | slicerpop.Append(id, '&Edit Slicer Parameters') |
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240 | wx.EVT_MENU(self, id, self._onEditSlicer) |
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241 | |
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242 | slicerpop.AppendSeparator() |
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243 | |
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244 | id = wx.NewId() |
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245 | slicerpop.Append(id, '&Detector Parameters') |
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246 | wx.EVT_MENU(self, id, self._onEditDetector) |
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247 | |
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248 | |
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249 | id = wx.NewId() |
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250 | slicerpop.Append(id, '&Toggle Linear/Log scale') |
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251 | wx.EVT_MENU(self, id, self._onToggleScale) |
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252 | |
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253 | pos = event.GetPosition() |
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254 | pos = self.ScreenToClient(pos) |
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255 | self.PopupMenu(slicerpop, pos) |
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256 | |
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257 | |
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258 | def _onEditDetector(self, event): |
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259 | """ |
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260 | Allow to view and edits detector parameters |
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261 | @param event: wx.menu event |
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262 | """ |
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263 | |
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264 | import detector_dialog |
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265 | dialog = detector_dialog.DetectorDialog(self, -1,base=self.parent) |
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266 | ## info of current detector and data2D |
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267 | xnpts = len(self.data2D.x_bins) |
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268 | ynpts = len(self.data2D.y_bins) |
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269 | xmax = max(self.data2D.xmin, self.data2D.xmax) |
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270 | ymax = max(self.data2D.ymin, self.data2D.ymax) |
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271 | qmax = math.sqrt(math.pow(xmax,2)+math.pow(ymax,2)) |
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272 | beam = self.data2D.xmin |
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273 | zmin = self.zmin_2D |
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274 | zmax = self.zmax_2D |
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275 | ## set dialog window content |
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276 | dialog.setContent(xnpts=xnpts,ynpts=ynpts,qmax=qmax, |
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277 | beam=self.data2D.xmin, |
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278 | zmin = self.zmin_2D, |
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279 | zmax = self.zmax_2D) |
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280 | if dialog.ShowModal() == wx.ID_OK: |
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281 | evt = dialog.getContent() |
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282 | self.zmin_2D = evt.zmin |
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283 | self.zmax_2D = evt.zmax |
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284 | |
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285 | dialog.Destroy() |
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286 | ## Redraw the current image |
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287 | self.image(data= self.data2D.data, |
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288 | xmin= self.data2D.xmin, |
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289 | xmax= self.data2D.xmax, |
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290 | ymin= self.data2D.ymin, |
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291 | ymax= self.data2D.ymax, |
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292 | zmin= self.zmin_2D, |
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293 | zmax= self.zmax_2D, |
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294 | color=0,symbol=0,label='data2D') |
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295 | self.subplot.figure.canvas.draw_idle() |
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296 | |
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297 | |
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298 | |
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299 | def freeze_axes(self): |
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300 | self.axes_frozen = True |
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301 | |
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302 | def thaw_axes(self): |
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303 | self.axes_frozen = False |
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304 | |
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305 | def onMouseMotion(self,event): |
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306 | pass |
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307 | def onWheel(self, event): |
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308 | pass |
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309 | |
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310 | def update(self, draw=True): |
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311 | """ |
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312 | Respond to changes in the model by recalculating the |
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313 | profiles and resetting the widgets. |
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314 | """ |
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315 | self.draw() |
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316 | |
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317 | |
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318 | def _getEmptySlicerEvent(self): |
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319 | """ |
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320 | create an empty slicervent |
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321 | """ |
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322 | return SlicerEvent(type=None, |
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323 | params=None, |
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324 | obj_class=None) |
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325 | def _onEVT_INTERNAL(self, event): |
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326 | """ |
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327 | Draw the slicer |
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328 | @param event: wx.lib.newevent (SlicerEvent) containing slicer |
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329 | parameter |
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330 | """ |
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331 | self._setSlicer(event.slicer) |
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332 | |
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333 | def _setSlicer(self, slicer): |
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334 | """ |
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335 | Clear the previous slicer and create a new one.Post an internal |
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336 | event. |
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337 | @param slicer: slicer class to create |
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338 | """ |
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339 | |
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340 | ## Clear current slicer |
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341 | if not self.slicer == None: |
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342 | self.slicer.clear() |
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343 | ## Create a new slicer |
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344 | self.slicer_z += 1 |
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345 | self.slicer = slicer(self, self.subplot, zorder=self.slicer_z) |
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346 | self.subplot.set_ylim(self.data2D.ymin, self.data2D.ymax) |
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347 | self.subplot.set_xlim(self.data2D.xmin, self.data2D.xmax) |
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348 | ## Draw slicer |
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349 | self.update() |
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350 | self.slicer.update() |
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351 | wx.PostEvent(self.parent, StatusEvent(status=\ |
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352 | "Plotter2D._setSlicer %s"%self.slicer.__class__.__name__)) |
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353 | # Post slicer event |
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354 | event = self._getEmptySlicerEvent() |
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355 | event.type = self.slicer.__class__.__name__ |
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356 | |
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357 | event.obj_class = self.slicer.__class__ |
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358 | event.params = self.slicer.get_params() |
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359 | wx.PostEvent(self, event) |
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360 | |
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361 | |
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362 | def onCircular(self, event): |
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363 | """ |
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364 | perform circular averaging on Data2D |
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365 | @param event: wx.menu event |
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366 | """ |
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367 | |
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368 | from DataLoader.manipulations import CircularAverage |
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369 | ## compute the maximum radius of data2D |
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370 | self.qmax= max(math.fabs(self.data2D.xmax),math.fabs(self.data2D.xmin)) |
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371 | self.ymax=max(math.fabs(self.data2D.ymax),math.fabs(self.data2D.ymin)) |
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372 | self.radius= math.sqrt( math.pow(self.qmax,2)+math.pow(self.ymax,2)) |
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373 | ##Compute beam width |
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374 | bin_width = (self.qmax +self.qmax)/100 |
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375 | ## Create data1D circular average of data2D |
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376 | Circle = CircularAverage( r_min=0, r_max=self.radius, bin_width=bin_width) |
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377 | circ = Circle(self.data2D) |
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378 | |
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379 | from sans.guiframe.dataFitting import Data1D |
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380 | if hasattr(circ,"dxl"): |
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381 | dxl= circ.dxl |
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382 | else: |
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383 | dxl= None |
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384 | if hasattr(circ,"dxw"): |
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385 | dxw= circ.dxw |
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386 | else: |
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387 | dxw= None |
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388 | |
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389 | new_plot = Data1D(x=circ.x,y=circ.y,dy=circ.dy,dxl=dxl,dxw=dxw) |
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390 | new_plot.name = "Circ avg "+ self.data2D.name |
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391 | new_plot.source=self.data2D.source |
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392 | #new_plot.info=self.data2D.info |
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393 | new_plot.interactive = True |
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394 | new_plot.detector =self.data2D.detector |
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395 | ## If the data file does not tell us what the axes are, just assume... |
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396 | new_plot.xaxis("\\rm{Q}","A^{-1}") |
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397 | new_plot.yaxis("\\rm{Intensity} ","cm^{-1}") |
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398 | new_plot.group_id = "Circ avg "+ self.data2D.name |
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399 | new_plot.id = "Circ avg "+ self.data2D.name |
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400 | new_plot.is_data= True |
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401 | |
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402 | wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, title=new_plot.name)) |
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403 | |
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404 | |
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405 | def _onEditSlicer(self, event): |
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406 | """ |
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407 | Is available only when a slicer is drawn.Create a dialog |
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408 | window where the user can enter value to reset slicer |
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409 | parameters. |
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410 | @param event: wx.menu event |
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411 | """ |
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412 | if self.slicer !=None: |
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413 | from SlicerParameters import SlicerParameterPanel |
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414 | dialog = SlicerParameterPanel(self, -1, "Slicer Parameters") |
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415 | dialog.set_slicer(self.slicer.__class__.__name__, |
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416 | self.slicer.get_params()) |
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417 | if dialog.ShowModal() == wx.ID_OK: |
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418 | dialog.Destroy() |
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419 | |
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420 | |
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421 | def onSectorQ(self, event): |
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422 | """ |
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423 | Perform sector averaging on Q and draw sector slicer |
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424 | """ |
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425 | from SectorSlicer import SectorInteractor |
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426 | self.onClearSlicer(event) |
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427 | wx.PostEvent(self, InternalEvent(slicer= SectorInteractor)) |
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428 | |
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429 | def onSectorPhi(self, event): |
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430 | """ |
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431 | Perform sector averaging on Phi and draw annulus slicer |
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432 | """ |
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433 | from AnnulusSlicer import AnnulusInteractor |
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434 | self.onClearSlicer(event) |
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435 | wx.PostEvent(self, InternalEvent(slicer= AnnulusInteractor)) |
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436 | |
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437 | def onBoxSum(self,event): |
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438 | from boxSum import BoxSum |
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439 | self.onClearSlicer(event) |
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440 | |
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441 | self.slicer_z += 1 |
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442 | self.slicer = BoxSum(self, self.subplot, zorder=self.slicer_z) |
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443 | |
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444 | self.subplot.set_ylim(self.data2D.ymin, self.data2D.ymax) |
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445 | self.subplot.set_xlim(self.data2D.xmin, self.data2D.xmax) |
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446 | |
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447 | self.update() |
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448 | self.slicer.update() |
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449 | ## Value used to initially set the slicer panel |
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450 | type = self.slicer.__class__.__name__ |
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451 | params = self.slicer.get_params() |
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452 | ## Create a new panel to display results of summation of Data2D |
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453 | from slicerpanel import SlicerPanel |
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454 | new_panel = SlicerPanel(parent= self.parent, id= -1, |
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455 | base= self, type= type, |
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456 | params= params, style= wx.RAISED_BORDER) |
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457 | |
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458 | new_panel.window_caption=self.slicer.__class__.__name__+" "+ str(self.data2D.name) |
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459 | new_panel.window_name = self.slicer.__class__.__name__+" "+ str(self.data2D.name) |
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460 | ## Store a reference of the new created panel |
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461 | self.panel_slicer= new_panel |
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462 | ## save the window_caption of the new panel in the current slicer |
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463 | self.slicer.set_panel_name( name= new_panel.window_caption) |
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464 | ## post slicer panel to guiframe to display it |
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465 | from sans.guicomm.events import SlicerPanelEvent |
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466 | wx.PostEvent(self.parent, SlicerPanelEvent (panel= self.panel_slicer, |
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467 | main_panel =self)) |
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468 | |
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469 | |
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470 | def onBoxavgX(self,event): |
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471 | """ |
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472 | Perform 2D data averaging on Qx |
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473 | Create a new slicer . |
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474 | @param event: wx.menu event |
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475 | """ |
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476 | from boxSlicer import BoxInteractorX |
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477 | self.onClearSlicer(event) |
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478 | wx.PostEvent(self, InternalEvent(slicer= BoxInteractorX)) |
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479 | |
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480 | |
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481 | def onBoxavgY(self,event): |
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482 | """ |
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483 | Perform 2D data averaging on Qy |
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484 | Create a new slicer . |
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485 | @param event: wx.menu event |
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486 | """ |
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487 | from boxSlicer import BoxInteractorY |
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488 | self.onClearSlicer(event) |
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489 | wx.PostEvent(self, InternalEvent(slicer= BoxInteractorY)) |
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490 | |
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491 | |
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492 | def onClearSlicer(self, event): |
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493 | """ |
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494 | Clear the slicer on the plot |
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495 | """ |
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496 | if not self.slicer==None: |
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497 | self.slicer.clear() |
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498 | self.subplot.figure.canvas.draw() |
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499 | self.slicer = None |
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500 | |
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501 | # Post slicer None event |
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502 | event = self._getEmptySlicerEvent() |
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503 | wx.PostEvent(self, event) |
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504 | |
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505 | |
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506 | def _onToggleScale(self, event): |
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507 | """ |
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508 | toggle pixel scale and replot image |
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509 | """ |
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510 | if self.scale == 'log': |
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511 | self.scale = 'linear' |
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512 | else: |
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513 | self.scale = 'log' |
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514 | self.image(self.data2D.data,self.xmin_2D,self.xmax_2D,self.ymin_2D, |
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515 | self.ymax_2D,self.zmin_2D ,self.zmax_2D ) |
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516 | wx.PostEvent(self.parent, StatusEvent(status="Image is in %s scale"%self.scale)) |
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517 | |
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518 | """ |
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519 | #TODO: this name should be changed to something more appropriate |
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520 | # Don't forget that changing this name will mean changing code |
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521 | # in plotting.py |
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522 | |
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523 | # Update the plottable with the new data |
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524 | |
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525 | #TODO: we should have a method to do this, |
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526 | # something along the lines of: |
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527 | # plottable1.update_data_from_plottable(plottable2) |
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528 | |
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529 | self.plots[event.plot.name].xmin = event.plot.xmin |
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530 | self.plots[event.plot.name].xmax = event.plot.xmax |
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531 | self.plots[event.plot.name].ymin = event.plot.ymin |
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532 | self.plots[event.plot.name].ymax = event.plot.ymax |
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533 | self.plots[event.plot.name].data = event.plot.data |
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534 | self.plots[event.plot.name].err_data = event.plot.err_data |
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535 | """ |
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