1 | """ |
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2 | This module provides a GUI for the file converter |
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3 | """ |
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4 | |
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5 | import wx |
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6 | import sys |
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7 | import numpy as np |
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8 | from wx.lib.scrolledpanel import ScrolledPanel |
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9 | from sas.sasgui.guiframe.panel_base import PanelBase |
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10 | from sas.sasgui.perspectives.calculator import calculator_widgets as widget |
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11 | from sas.sasgui.perspectives.file_converter.converter_widgets import VectorInput |
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12 | from sas.sasgui.guiframe.events import StatusEvent |
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13 | from sas.sasgui.guiframe.dataFitting import Data1D |
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14 | from sas.sasgui.guiframe.utils import check_float |
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15 | from sas.sascalc.dataloader.readers.cansas_reader import Reader as CansasReader |
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16 | from sas.sascalc.dataloader.data_info import Detector |
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17 | from sas.sascalc.dataloader.data_info import Vector |
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18 | |
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19 | # Panel size |
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20 | if sys.platform.count("win32") > 0: |
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21 | PANEL_TOP = 0 |
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22 | _STATICBOX_WIDTH = 410 |
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23 | _BOX_WIDTH = 200 |
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24 | PANEL_SIZE = 480 |
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25 | FONT_VARIANT = 0 |
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26 | else: |
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27 | PANEL_TOP = 60 |
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28 | _STATICBOX_WIDTH = 430 |
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29 | _BOX_WIDTH = 200 |
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30 | PANEL_SIZE = 500 |
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31 | FONT_VARIANT = 1 |
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32 | |
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33 | class ConverterPanel(ScrolledPanel, PanelBase): |
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34 | |
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35 | def __init__(self, parent, base=None, *args, **kwargs): |
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36 | ScrolledPanel.__init__(self, parent, *args, **kwargs) |
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37 | PanelBase.__init__(self) |
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38 | self.SetupScrolling() |
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39 | self.SetWindowVariant(variant=FONT_VARIANT) |
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40 | |
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41 | self.base = base |
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42 | self.parent = parent |
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43 | |
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44 | self.q_input = None |
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45 | self.iq_input = None |
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46 | self.output = None |
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47 | self.to_validate = [] |
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48 | |
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49 | self.metadata = { |
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50 | 'title': None, |
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51 | 'run': None, |
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52 | 'run_name': None, |
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53 | 'instrument': None, |
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54 | 'detector': [Detector()] |
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55 | } |
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56 | self.vectors = ['offset', 'orientation', 'pixel_size', 'beam_center'] |
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57 | for vector_name in self.vectors: |
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58 | setattr(self.metadata['detector'][0], vector_name, Vector()) |
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59 | |
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60 | self._do_layout() |
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61 | self.SetAutoLayout(True) |
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62 | self.Layout() |
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63 | |
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64 | def convert_to_cansas(self, data, filename): |
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65 | reader = CansasReader() |
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66 | reader.write(filename, data) |
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67 | |
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68 | def extract_data(self, filename): |
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69 | data = np.loadtxt(filename, dtype=str) |
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70 | |
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71 | if len(data.shape) != 1: |
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72 | msg = "Error reading {}: Only one column of data is allowed" |
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73 | raise Exception(msg.format(filename.split('\\')[-1])) |
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74 | |
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75 | is_float = True |
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76 | try: |
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77 | float(data[0]) |
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78 | except: |
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79 | is_float = False |
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80 | |
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81 | if not is_float: |
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82 | end_char = data[0][-1] |
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83 | # If lines end with comma or semi-colon, trim the last character |
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84 | if end_char == ',' or end_char == ';': |
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85 | data = map(lambda s: s[0:-1], data) |
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86 | else: |
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87 | msg = ("Error reading {}: Lines must end with a digit, comma " |
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88 | "or semi-colon").format(filename.split('\\')[-1]) |
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89 | raise Exception(msg) |
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90 | |
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91 | return np.array(data, dtype=np.float32) |
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92 | |
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93 | def on_convert(self, event): |
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94 | if not self.validate_inputs(): |
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95 | return |
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96 | |
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97 | try: |
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98 | qdata = self.extract_data(self.q_input.GetPath()) |
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99 | iqdata = self.extract_data(self.iq_input.GetPath()) |
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100 | except Exception as ex: |
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101 | msg = str(ex) |
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102 | wx.PostEvent(self.parent.manager.parent, |
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103 | StatusEvent(status=msg, info='error')) |
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104 | return |
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105 | |
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106 | output_path = self.output.GetPath() |
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107 | data = Data1D(x=qdata, y=iqdata) |
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108 | data.filename = output_path.split('\\')[-1] |
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109 | |
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110 | if self.metadata['run'] is not None: |
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111 | run = self.metadata['run'] |
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112 | run_name = self.metadata['run_name'] |
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113 | self.metadata['run'] = [run] |
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114 | if run_name is not None: |
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115 | self.metadata['run_name'] = { run: run_name } |
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116 | else: |
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117 | self.metadata['run_name'] = {} |
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118 | else: |
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119 | self.metadata['run'] = [] |
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120 | self.metadata['run_name'] = {} |
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121 | detector = self.metadata['detector'][0] |
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122 | if detector.name is None: |
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123 | self.metadata['detector'][0].name = '' |
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124 | |
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125 | # Convert vectors from strings to float |
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126 | for vector_name in self.vectors: |
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127 | # Vector of strings or Nones |
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128 | vector = getattr(self.metadata['detector'][0], vector_name) |
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129 | for direction in ['x', 'y', 'z']: |
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130 | value = getattr(vector, direction) |
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131 | if value is not None: |
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132 | value = float(value) |
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133 | setattr(vector, direction, value) |
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134 | setattr(self.metadata['detector'][0], vector_name, vector) |
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135 | |
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136 | for attr, value in self.metadata.iteritems(): |
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137 | if value is not None: |
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138 | setattr(data, attr, value) |
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139 | |
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140 | self.convert_to_cansas(data, output_path) |
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141 | wx.PostEvent(self.parent.manager.parent, |
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142 | StatusEvent(status="Conversion completed.")) |
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143 | |
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144 | def validate_inputs(self): |
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145 | msg = "You must select a" |
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146 | if self.q_input.GetPath() == '': |
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147 | msg += " Q Axis input file." |
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148 | elif self.iq_input.GetPath() == '': |
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149 | msg += "n Intensity input file." |
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150 | elif self.output.GetPath() == '': |
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151 | msg += "destination for the converted file." |
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152 | if msg != "You must select a": |
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153 | wx.PostEvent(self.parent.manager.parent, |
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154 | StatusEvent(status=msg, info='error')) |
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155 | return |
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156 | |
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157 | for ctrl in self.to_validate: |
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158 | ctrl_valid = True |
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159 | invalid_control = None |
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160 | if isinstance(ctrl, VectorInput): |
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161 | ctrl_valid, invalid_control = ctrl.Validate() |
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162 | else: |
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163 | if ctrl.GetValue() == '': continue |
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164 | ctrl_valid = check_float(ctrl) |
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165 | invalid_control = ctrl |
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166 | if not ctrl_valid: |
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167 | msg = "{} must be a valid float".format( |
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168 | invalid_control.GetName().replace('_', ' ')) |
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169 | wx.PostEvent(self.parent.manager.parent, |
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170 | StatusEvent(status=msg, info='error')) |
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171 | return False |
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172 | |
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173 | return True |
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174 | |
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175 | |
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176 | def metadata_changed(self, event): |
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177 | event.Skip() |
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178 | textbox = event.GetEventObject() |
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179 | attr = textbox.GetName() |
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180 | value = textbox.GetValue().strip() |
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181 | |
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182 | if attr.startswith('detector_'): |
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183 | attr = attr[9:] # Strip detector_ |
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184 | is_vector = False |
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185 | for vector_name in self.vectors: |
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186 | if attr.startswith(vector_name): is_vector = True |
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187 | if is_vector: |
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188 | if value == '': value = None |
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189 | direction = attr[-1] |
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190 | attr = attr[:-2] |
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191 | vector = getattr(self.metadata['detector'][0], attr) |
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192 | setattr(vector, direction, value) |
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193 | value = vector |
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194 | setattr(self.metadata['detector'][0], attr, value) |
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195 | return |
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196 | |
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197 | if value == '': |
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198 | self.metadata[attr] = None |
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199 | else: |
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200 | self.metadata[attr] = value |
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201 | |
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202 | |
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203 | def _do_layout(self): |
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204 | vbox = wx.BoxSizer(wx.VERTICAL) |
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205 | |
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206 | instructions = ("Select the 1 column ASCII files containing the Q Axis" |
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207 | " and Intensity data, chose where to save the converted file, then" |
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208 | " click Convert to convert them to CanSAS XML format. If required," |
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209 | " metadata can also be input below.") |
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210 | instruction_label = wx.StaticText(self, -1, instructions, |
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211 | size=(_STATICBOX_WIDTH+40, -1)) |
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212 | instruction_label.Wrap(_STATICBOX_WIDTH+40) |
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213 | vbox.Add(instruction_label, flag=wx.TOP | wx.LEFT | wx.RIGHT, border=5) |
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214 | |
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215 | section = wx.StaticBox(self, -1) |
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216 | section_sizer = wx.StaticBoxSizer(section, wx.VERTICAL) |
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217 | section_sizer.SetMinSize((_STATICBOX_WIDTH, -1)) |
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218 | |
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219 | input_grid = wx.GridBagSizer(5, 5) |
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220 | |
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221 | q_label = wx.StaticText(self, -1, "Q Axis: ") |
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222 | input_grid.Add(q_label, (0,0), (1,1), wx.ALIGN_CENTER_VERTICAL, 5) |
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223 | |
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224 | self.q_input = wx.FilePickerCtrl(self, -1, |
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225 | size=(_STATICBOX_WIDTH-80, -1), |
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226 | message="Chose the Q Axis data file.") |
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227 | input_grid.Add(self.q_input, (0,1), (1,1), wx.ALL, 5) |
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228 | |
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229 | iq_label = wx.StaticText(self, -1, "Intensity Data: ") |
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230 | input_grid.Add(iq_label, (1,0), (1,1), wx.ALIGN_CENTER_VERTICAL, 5) |
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231 | |
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232 | self.iq_input = wx.FilePickerCtrl(self, -1, |
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233 | size=(_STATICBOX_WIDTH-80, -1), |
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234 | message="Chose the Intensity data file.") |
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235 | input_grid.Add(self.iq_input, (1,1), (1,1), wx.ALL, 5) |
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236 | |
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237 | output_label = wx.StaticText(self, -1, "Output File: ") |
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238 | input_grid.Add(output_label, (2,0), (1,1), wx.ALIGN_CENTER_VERTICAL, 5) |
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239 | |
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240 | self.output = wx.FilePickerCtrl(self, -1, |
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241 | size=(_STATICBOX_WIDTH-80, -1), |
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242 | message="Chose the Intensity data file.", |
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243 | style=wx.FLP_SAVE | wx.FLP_OVERWRITE_PROMPT | wx.FLP_USE_TEXTCTRL, |
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244 | wildcard="*.xml") |
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245 | input_grid.Add(self.output, (2,1), (1,1), wx.ALL, 5) |
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246 | |
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247 | convert_btn = wx.Button(self, wx.ID_OK, "Convert") |
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248 | input_grid.Add(convert_btn, (3,0), (1,1), wx.ALL, 5) |
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249 | convert_btn.Bind(wx.EVT_BUTTON, self.on_convert) |
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250 | |
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251 | section_sizer.Add(input_grid) |
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252 | |
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253 | vbox.Add(section_sizer, flag=wx.ALL, border=5) |
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254 | |
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255 | metadata_section = wx.CollapsiblePane(self, -1, "Metadata", |
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256 | size=(_STATICBOX_WIDTH+40, -1), style=wx.WS_EX_VALIDATE_RECURSIVELY) |
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257 | metadata_pane = metadata_section.GetPane() |
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258 | metadata_grid = wx.GridBagSizer(5, 5) |
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259 | |
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260 | y = 0 |
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261 | for item in self.metadata.keys(): |
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262 | if item == 'detector': continue |
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263 | label_txt = item.replace('_', ' ').capitalize() |
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264 | label = wx.StaticText(metadata_pane, -1, label_txt, |
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265 | style=wx.ALIGN_CENTER_VERTICAL) |
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266 | input_box = wx.TextCtrl(metadata_pane, name=item, |
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267 | size=(_STATICBOX_WIDTH-80, -1)) |
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268 | input_box.Bind(wx.EVT_TEXT, self.metadata_changed) |
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269 | metadata_grid.Add(label, (y,0), (1,1), |
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270 | wx.ALL | wx.ALIGN_CENTER_VERTICAL, 5) |
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271 | metadata_grid.Add(input_box, (y,1), (1,2), wx.EXPAND) |
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272 | y += 1 |
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273 | |
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274 | detector_label = wx.StaticText(metadata_pane, -1, |
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275 | "Detector:") |
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276 | metadata_grid.Add(detector_label, (y, 0), (1,1), wx.ALL | wx.EXPAND, 5) |
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277 | y += 1 |
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278 | |
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279 | name_label = wx.StaticText(metadata_pane, -1, "Name: ") |
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280 | metadata_grid.Add(name_label, (y, 1), (1,1)) |
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281 | |
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282 | name_input = wx.TextCtrl(metadata_pane, |
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283 | name="detector_name", size=(_STATICBOX_WIDTH-80-55, -1)) |
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284 | metadata_grid.Add(name_input, (y, 2), (1,1)) |
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285 | name_input.Bind(wx.EVT_TEXT, self.metadata_changed) |
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286 | y += 1 |
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287 | |
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288 | distance_label = wx.StaticText(metadata_pane, -1, |
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289 | "Distance (mm): ") |
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290 | metadata_grid.Add(distance_label, (y, 1), (1,1)) |
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291 | |
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292 | distance_input = wx.TextCtrl(metadata_pane, -1, |
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293 | name="detector_distance", size=(50,-1)) |
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294 | metadata_grid.Add(distance_input, (y,2), (1,1)) |
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295 | self.to_validate.append(distance_input) |
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296 | distance_input.Bind(wx.EVT_TEXT, self.metadata_changed) |
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297 | y += 1 |
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298 | |
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299 | offset_label = wx.StaticText(metadata_pane, -1, |
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300 | "Offset (m): ") |
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301 | metadata_grid.Add(offset_label, (y,1), (1,1)) |
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302 | |
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303 | offset_input = VectorInput(metadata_pane, "detector_offset", |
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304 | callback=self.metadata_changed) |
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305 | self.to_validate.append(offset_input) |
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306 | metadata_grid.Add(offset_input.GetSizer(), (y,2), (1,1), wx.BOTTOM, 5) |
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307 | y += 1 |
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308 | |
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309 | orientation_label = wx.StaticText(metadata_pane, -1, |
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310 | u"Orientation (\xb0): ") |
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311 | metadata_grid.Add(orientation_label, (y, 1), (1, 1)) |
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312 | |
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313 | orientation_input = VectorInput(metadata_pane, "detector_orientation", |
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314 | callback=self.metadata_changed, z_enabled=True, |
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315 | labels=["Roll: ", "Pitch: ", "Yaw: "]) |
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316 | self.to_validate.append(orientation_input) |
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317 | metadata_grid.Add(orientation_input.GetSizer(), |
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318 | (y,2), (1,1), wx.BOTTOM, 5) |
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319 | y += 1 |
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320 | |
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321 | pixel_label = wx.StaticText(metadata_pane, -1, "Pixel Size (mm): ") |
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322 | metadata_grid.Add(pixel_label, (y,1), (1,1)) |
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323 | |
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324 | pixel_input = VectorInput(metadata_pane, "detector_pixel_size", |
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325 | callback=self.metadata_changed) |
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326 | self.to_validate.append(pixel_input) |
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327 | metadata_grid.Add(pixel_input.GetSizer(), (y,2), (1,1), wx.BOTTOM, 5) |
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328 | y += 1 |
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329 | |
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330 | beam_label = wx.StaticText(metadata_pane, -1, "Beam Center (mm): ") |
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331 | metadata_grid.Add(beam_label, (y,1), (1,1)) |
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332 | beam_input = VectorInput(metadata_pane, "detector_beam_center", |
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333 | callback=self.metadata_changed) |
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334 | self.to_validate.append(beam_input) |
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335 | metadata_grid.Add(beam_input.GetSizer(), (y,2), (1,1), wx.BOTTOM, 5) |
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336 | y += 1 |
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337 | |
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338 | slit_label = wx.StaticText(metadata_pane, -1, "Slit Length (mm): ") |
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339 | metadata_grid.Add(slit_label, (y,1), (1,1)) |
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340 | slit_input = wx.TextCtrl(metadata_pane, -1, size=(50,-1), |
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341 | name="detector_slit_length") |
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342 | self.to_validate.append(slit_input) |
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343 | slit_input.Bind(wx.EVT_TEXT, self.metadata_changed) |
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344 | metadata_grid.Add(slit_input, (y,2), (1,1), wx.BOTTOM, 5) |
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345 | |
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346 | metadata_pane.SetSizer(metadata_grid) |
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347 | |
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348 | vbox.Add(metadata_section, proportion=0, flag=wx.ALL, border=5) |
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349 | |
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350 | vbox.Fit(self) |
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351 | self.SetSizer(vbox) |
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352 | |
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353 | class ConverterWindow(widget.CHILD_FRAME): |
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354 | |
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355 | def __init__(self, parent=None, title='File Converter', base=None, |
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356 | manager=None, size=(PANEL_SIZE * 1.05, PANEL_SIZE / 1.55), |
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357 | *args, **kwargs): |
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358 | kwargs['title'] = title |
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359 | kwargs['size'] = size |
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360 | widget.CHILD_FRAME.__init__(self, parent, *args, **kwargs) |
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361 | |
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362 | self.manager = manager |
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363 | self.panel = ConverterPanel(self, base=None) |
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364 | self.Bind(wx.EVT_CLOSE, self.on_close) |
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365 | self.SetPosition((wx.LEFT, PANEL_TOP)) |
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366 | self.Show(True) |
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367 | |
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368 | def on_close(self, event): |
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369 | if self.manager is not None: |
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370 | self.manager.converter_frame = None |
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371 | self.Destroy() |
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