1 | """ |
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2 | This module provide GUI for the neutron scattering length density calculator |
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3 | @author: Gervaise B. Alina |
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4 | """ |
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5 | |
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6 | import wx |
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7 | import sys |
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8 | |
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9 | from sans.guiframe.utils import format_number, check_float |
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10 | from sans.guicomm.events import StatusEvent |
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11 | from sans.calculator.sld_calculator import SldCalculator |
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12 | |
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13 | _BOX_WIDTH = 76 |
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14 | _STATICBOX_WIDTH = 350 |
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15 | _SCALE = 1e-6 |
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16 | |
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17 | #SLD panel size |
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18 | if sys.platform.count("win32")>0: |
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19 | _STATICBOX_WIDTH = 350 |
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20 | PANEL_SIZE = 400 |
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21 | FONT_VARIANT = 0 |
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22 | else: |
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23 | _STATICBOX_WIDTH = 380 |
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24 | PANEL_SIZE = 430 |
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25 | FONT_VARIANT = 1 |
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26 | |
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27 | class SldPanel(wx.Panel): |
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28 | """ |
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29 | Provides the SLD calculator GUI. |
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30 | """ |
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31 | ## Internal nickname for the window, used by the AUI manager |
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32 | window_name = "SLD Calculator" |
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33 | ## Name to appear on the window title bar |
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34 | window_caption = "SLD Calculator" |
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35 | ## Flag to tell the AUI manager to put this panel in the center pane |
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36 | CENTER_PANE = True |
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37 | def __init__(self, parent,base=None, id = -1): |
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38 | wx.Panel.__init__(self, parent, id = id) |
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39 | #Font size |
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40 | self.SetWindowVariant(variant=FONT_VARIANT) |
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41 | |
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42 | # Object that receive status event |
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43 | self.base = base |
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44 | self.calculator = SldCalculator() |
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45 | self.wavelength = self.calculator.wavelength |
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46 | |
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47 | self._do_layout() |
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48 | self.SetAutoLayout(True) |
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49 | self.Layout() |
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50 | |
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51 | |
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52 | def _do_layout(self): |
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53 | """ |
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54 | Draw window content |
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55 | """ |
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56 | unit_a = '[A]' |
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57 | unit_density = '[g/cm^(3)]' |
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58 | unit_sld = '[1/A^(2)]' |
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59 | unit_cm1 ='[1/cm]' |
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60 | unit_cm ='[cm]' |
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61 | sizer_input = wx.GridBagSizer(5,5) |
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62 | sizer_output = wx.GridBagSizer(5,5) |
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63 | sizer_button = wx.BoxSizer(wx.HORIZONTAL) |
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64 | sizer1 = wx.BoxSizer(wx.HORIZONTAL) |
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65 | sizer2 = wx.BoxSizer(wx.HORIZONTAL) |
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66 | sizer3 = wx.BoxSizer(wx.HORIZONTAL) |
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67 | #---------inputs---------------- |
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68 | inputbox = wx.StaticBox(self, -1, "Input") |
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69 | boxsizer1 = wx.StaticBoxSizer(inputbox, wx.VERTICAL) |
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70 | boxsizer1.SetMinSize((_STATICBOX_WIDTH,-1)) |
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71 | |
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72 | compound_txt = wx.StaticText(self, -1, 'Compound ') |
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73 | self.compound_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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74 | density_txt = wx.StaticText(self, -1, 'Density ') |
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75 | self.density_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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76 | unit_density_txt = wx.StaticText(self, -1, unit_density) |
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77 | wavelength_txt = wx.StaticText(self, -1, 'Wavelength ') |
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78 | self.wavelength_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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79 | self.wavelength_ctl.SetValue(str(self.wavelength)) |
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80 | unit_a_txt = wx.StaticText(self, -1, unit_a) |
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81 | iy = 0 |
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82 | ix = 0 |
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83 | sizer_input.Add(compound_txt,(iy, ix),(1,1),\ |
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84 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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85 | ix +=1 |
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86 | sizer_input.Add(self.compound_ctl,(iy, ix),(1,1),\ |
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87 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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88 | iy += 1 |
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89 | ix = 0 |
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90 | sizer_input.Add(density_txt,(iy, ix),(1,1),\ |
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91 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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92 | ix += 1 |
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93 | sizer_input.Add(self.density_ctl, (iy, ix), (1,1),\ |
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94 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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95 | ix +=1 |
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96 | sizer_input.Add(unit_density_txt,(iy, ix),(1,1),\ |
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97 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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98 | iy += 1 |
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99 | ix = 0 |
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100 | sizer_input.Add(wavelength_txt, (iy, ix),(1,1),\ |
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101 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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102 | ix += 1 |
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103 | sizer_input.Add(self.wavelength_ctl,(iy, ix),(1,1),\ |
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104 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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105 | ix += 1 |
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106 | sizer_input.Add(unit_a_txt,(iy, ix),(1,1),\ |
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107 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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108 | boxsizer1.Add( sizer_input ) |
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109 | sizer1.Add(boxsizer1,0, wx.EXPAND | wx.ALL, 10) |
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110 | #---------Outputs sizer-------- |
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111 | outputbox = wx.StaticBox(self, -1, "Output") |
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112 | boxsizer2 = wx.StaticBoxSizer(outputbox, wx.VERTICAL) |
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113 | boxsizer2.SetMinSize((_STATICBOX_WIDTH,-1)) |
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114 | |
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115 | i_complex = '+ i' |
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116 | neutron_sld_txt = wx.StaticText(self, -1, 'Neutron SLD') |
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117 | self.neutron_sld_reel_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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118 | self.neutron_sld_reel_ctl.SetEditable(False) |
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119 | self.neutron_sld_reel_ctl.SetToolTipString("Neutron SLD real.") |
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120 | self.neutron_sld_im_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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121 | self.neutron_sld_im_ctl.SetEditable(False) |
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122 | self.neutron_sld_im_ctl.SetToolTipString("Neutron SLD imaginary.") |
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123 | neutron_sld_units_txt = wx.StaticText(self, -1, unit_sld) |
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124 | |
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125 | cu_ka_sld_txt = wx.StaticText(self, -1, 'Cu Ka SLD') |
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126 | self.cu_ka_sld_reel_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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127 | self.cu_ka_sld_reel_ctl.SetEditable(False) |
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128 | self.cu_ka_sld_reel_ctl.SetToolTipString("Cu Ka SLD real.") |
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129 | self.cu_ka_sld_im_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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130 | self.cu_ka_sld_im_ctl.SetEditable(False) |
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131 | self.cu_ka_sld_im_ctl.SetToolTipString("Cu Ka SLD imaginary.") |
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132 | cu_ka_sld_units_txt = wx.StaticText(self, -1, unit_sld) |
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133 | |
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134 | mo_ka_sld_txt = wx.StaticText(self, -1, 'Mo Ka SLD') |
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135 | self.mo_ka_sld_reel_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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136 | self.mo_ka_sld_reel_ctl.SetEditable(False) |
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137 | self.mo_ka_sld_reel_ctl.SetToolTipString("Mo Ka SLD real.") |
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138 | self.mo_ka_sld_im_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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139 | self.mo_ka_sld_im_ctl.SetEditable(False) |
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140 | self.mo_ka_sld_im_ctl.SetToolTipString("Mo Ka SLD imaginary.") |
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141 | mo_ka_sld_units_txt = wx.StaticText(self, -1, unit_sld) |
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142 | |
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143 | neutron_inc_txt = wx.StaticText(self, -1, 'Neutron Inc. Xs') |
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144 | self.neutron_inc_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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145 | self.neutron_inc_ctl.SetEditable(False) |
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146 | self.neutron_inc_ctl.SetToolTipString("Neutron Inc. Xs") |
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147 | neutron_inc_units_txt = wx.StaticText(self, -1, unit_cm1) |
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148 | |
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149 | neutron_abs_txt = wx.StaticText(self, -1, 'Neutron Abs. Xs') |
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150 | self.neutron_abs_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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151 | self.neutron_abs_ctl.SetEditable(False) |
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152 | self.neutron_abs_ctl.SetToolTipString("Neutron Abs. Xs") |
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153 | neutron_abs_units_txt = wx.StaticText(self, -1, unit_cm1) |
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154 | |
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155 | neutron_length_txt = wx.StaticText(self, -1, 'Neutron 1/e length') |
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156 | self.neutron_length_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,-1)) |
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157 | self.neutron_length_ctl.SetEditable(False) |
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158 | self.neutron_length_ctl.SetToolTipString("Neutron 1/e length") |
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159 | neutron_length_units_txt = wx.StaticText(self, -1, unit_cm) |
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160 | iy = 0 |
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161 | ix = 0 |
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162 | sizer_output.Add(neutron_sld_txt,(iy, ix),(1,1), |
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163 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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164 | ix += 1 |
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165 | sizer_output.Add(self.neutron_sld_reel_ctl,(iy, ix),(1,1), |
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166 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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167 | ix += 1 |
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168 | sizer_output.Add(wx.StaticText(self, -1, i_complex) |
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169 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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170 | ix +=1 |
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171 | sizer_output.Add(self.neutron_sld_im_ctl |
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172 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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173 | ix +=1 |
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174 | sizer_output.Add(neutron_sld_units_txt |
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175 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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176 | iy += 1 |
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177 | ix = 0 |
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178 | sizer_output.Add(cu_ka_sld_txt,(iy, ix),(1,1), |
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179 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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180 | ix +=1 |
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181 | sizer_output.Add(self.cu_ka_sld_reel_ctl,(iy, ix),(1,1), |
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182 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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183 | ix +=1 |
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184 | sizer_output.Add(wx.StaticText(self, -1, i_complex) |
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185 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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186 | ix += 1 |
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187 | sizer_output.Add(self.cu_ka_sld_im_ctl |
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188 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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189 | ix += 1 |
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190 | sizer_output.Add(cu_ka_sld_units_txt |
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191 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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192 | iy += 1 |
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193 | ix = 0 |
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194 | sizer_output.Add(mo_ka_sld_txt,(iy, ix),(1,1), |
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195 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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196 | ix +=1 |
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197 | sizer_output.Add(self.mo_ka_sld_reel_ctl,(iy, ix),(1,1), |
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198 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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199 | ix +=1 |
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200 | sizer_output.Add(wx.StaticText(self, -1, i_complex) |
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201 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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202 | ix += 1 |
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203 | sizer_output.Add(self.mo_ka_sld_im_ctl |
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204 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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205 | ix +=1 |
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206 | sizer_output.Add(mo_ka_sld_units_txt |
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207 | ,(iy, ix),(1,1),wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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208 | iy += 1 |
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209 | ix = 0 |
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210 | sizer_output.Add(neutron_inc_txt,(iy, ix),(1,1), |
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211 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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212 | ix += 1 |
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213 | sizer_output.Add(self.neutron_inc_ctl,(iy, ix),(1,1), |
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214 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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215 | ix += 2 |
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216 | sizer_output.Add(neutron_inc_units_txt,(iy, ix),(1,1), |
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217 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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218 | iy += 1 |
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219 | ix = 0 |
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220 | sizer_output.Add(neutron_abs_txt, (iy, ix), (1,1), |
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221 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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222 | ix += 1 |
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223 | sizer_output.Add(self.neutron_abs_ctl, (iy, ix), (1,1), |
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224 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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225 | ix +=2 |
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226 | sizer_output.Add(neutron_abs_units_txt, (iy, ix), (1,1), |
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227 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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228 | iy += 1 |
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229 | ix = 0 |
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230 | sizer_output.Add(neutron_length_txt, (iy, ix), (1,1), |
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231 | wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) |
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232 | ix +=1 |
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233 | sizer_output.Add(self.neutron_length_ctl, (iy, ix), (1,1), |
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234 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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235 | ix += 2 |
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236 | sizer_output.Add(neutron_length_units_txt, (iy, ix), (1,1), |
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237 | wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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238 | boxsizer2.Add( sizer_output ) |
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239 | sizer2.Add(boxsizer2,0, wx.EXPAND|wx.ALL, 10) |
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240 | #-----Button sizer------------ |
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241 | |
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242 | id = wx.NewId() |
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243 | button_calculate = wx.Button(self, id, "Calculate") |
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244 | button_calculate.SetToolTipString("Calculate SLD.") |
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245 | self.Bind(wx.EVT_BUTTON, self.calculateSld, id = id) |
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246 | |
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247 | sizer_button.Add((250, 20), 1, wx.EXPAND|wx.ADJUST_MINSIZE, 0) |
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248 | sizer_button.Add(button_calculate, 0, wx.RIGHT|wx.ADJUST_MINSIZE,20) |
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249 | sizer3.Add(sizer_button) |
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250 | #---------layout---------------- |
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251 | vbox = wx.BoxSizer(wx.VERTICAL) |
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252 | vbox.Add(sizer1) |
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253 | vbox.Add(sizer2) |
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254 | vbox.Add(sizer3) |
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255 | vbox.Fit(self) |
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256 | self.SetSizer(vbox) |
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257 | |
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258 | |
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259 | def check_inputs(self): |
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260 | """Check validity user inputs""" |
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261 | flag = True |
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262 | |
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263 | if check_float(self.density_ctl): |
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264 | self.density = float(self.density_ctl.GetValue()) |
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265 | else: |
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266 | flag = False |
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267 | raise ValueError,"Error for Density value :expect float" |
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268 | |
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269 | self.wavelength = self.wavelength_ctl.GetValue() |
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270 | if self.wavelength.lstrip().rstrip() == "": |
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271 | self.wavelength = self.calculator.wavelength |
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272 | else: |
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273 | if check_float(self.wavelength_ctl): |
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274 | self.wavelength = float(self.wavelength) |
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275 | else: |
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276 | flag = False |
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277 | raise ValueError,"Error for wavelenth value :expect float" |
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278 | |
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279 | self.formulata_text = self.compound_ctl.GetValue().lstrip().rstrip() |
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280 | if self.formulata_text != "": |
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281 | self.compound_ctl.SetBackgroundColour(wx.WHITE) |
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282 | self.compound_ctl.Refresh() |
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283 | else: |
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284 | self.compound_ctl.SetBackgroundColour("pink") |
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285 | self.compound_ctl.Refresh() |
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286 | flag = False |
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287 | raise ValueError, "Enter a formula" |
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288 | return flag |
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289 | |
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290 | def calculateSld(self, event): |
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291 | """ |
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292 | Calculate the neutron scattering density length of a molecule |
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293 | """ |
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294 | try: |
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295 | #Check validity user inputs |
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296 | if self.check_inputs(): |
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297 | #get ready to compute |
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298 | try: |
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299 | self.calculator.set_value(self.formulata_text, |
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300 | self.density, self.wavelength) |
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301 | except: |
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302 | if self.base is not None: |
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303 | msg = "SLD Calculator: %s" %(sys.exc_value) |
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304 | wx.PostEvent(self.base, StatusEvent(status=msg)) |
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305 | else: |
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306 | raise |
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307 | return |
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308 | |
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309 | # Compute the Cu SLD |
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310 | Cu_reel, Cu_im = self.calculator.calculate_xray_sld( "Cu") |
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311 | self.cu_ka_sld_reel_ctl.SetValue(format_number(Cu_reel *_SCALE)) |
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312 | self.cu_ka_sld_im_ctl.SetValue(format_number(Cu_im * _SCALE)) |
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313 | |
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314 | # Compute the Mo SLD |
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315 | Mo_reel, Mo_im = self.calculator.calculate_xray_sld( "Mo") |
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316 | self.mo_ka_sld_reel_ctl.SetValue(format_number(Mo_reel *_SCALE)) |
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317 | self.mo_ka_sld_im_ctl.SetValue(format_number(Mo_im * _SCALE)) |
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318 | |
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319 | coh,absorp,inc = self.calculator.calculate_neutron_sld() |
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320 | im = self.calculator.calculate_coherence_im() |
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321 | length = self.calculator.calculate_length() |
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322 | # Neutron SLD |
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323 | self.neutron_sld_reel_ctl.SetValue(format_number(coh * _SCALE)) |
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324 | self.neutron_sld_im_ctl.SetValue(format_number(im * _SCALE)) |
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325 | self.neutron_inc_ctl.SetValue(format_number(inc)) |
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326 | self.neutron_abs_ctl.SetValue(format_number(absorp)) |
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327 | # Neutron length |
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328 | self.neutron_length_ctl.SetValue(format_number(length)) |
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329 | # display wavelength |
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330 | self.wavelength_ctl.SetValue(str(self.wavelength)) |
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331 | except: |
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332 | if self.base is not None: |
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333 | msg = "SLD Calculator: %s"%(sys.exc_value) |
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334 | wx.PostEvent(self.base, StatusEvent(status=msg)) |
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335 | else: |
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336 | raise |
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337 | return |
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338 | |
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339 | |
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340 | |
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341 | |
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342 | |
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343 | |
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344 | |
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345 | |
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346 | |
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347 | class SldWindow(wx.Frame): |
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348 | def __init__(self, parent=None, id=1, title="SLD Calculator",base=None): |
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349 | wx.Frame.__init__(self, parent, id, title, size=( PANEL_SIZE, PANEL_SIZE)) |
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350 | |
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351 | self.panel = SldPanel(self, base=base) |
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352 | self.Centre() |
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353 | self.Show(True) |
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354 | |
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355 | class ViewApp(wx.App): |
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356 | def OnInit(self): |
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357 | frame = SldWindow(None, -1, 'SLD Calculator') |
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358 | frame.Show(True) |
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359 | self.SetTopWindow(frame) |
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360 | |
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361 | return True |
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362 | |
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363 | |
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364 | if __name__ == "__main__": |
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365 | app = ViewApp(0) |
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366 | app.MainLoop() |
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