Changeset 8db20a9 in sasview for src/sas/sascalc/dataloader/file_reader_base_class.py
- Timestamp:
- Jan 21, 2019 8:15:40 AM (5 years ago)
- Branches:
- ESS_GUI, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_opencl, ESS_GUI_sync_sascalc
- Children:
- d541324e
- Parents:
- 3ca645bb
- git-author:
- Piotr Rozyczko <piotr.rozyczko@…> (01/21/19 08:12:08)
- git-committer:
- Piotr Rozyczko <piotr.rozyczko@…> (01/21/19 08:15:40)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
src/sas/sascalc/dataloader/file_reader_base_class.py
rbe7c981 r8db20a9 16 16 from .data_info import Data1D, Data2D, DataInfo, plottable_1D, plottable_2D,\ 17 17 combine_data_info_with_plottable 18 from sas.sascalc.data_util.nxsunit import Converter 18 19 19 20 logger = logging.getLogger(__name__) … … 37 38 "SasView cannot guarantee the accuracy of the data.") 38 39 40 39 41 class FileReader(object): 40 42 # String to describe the type of data this reader can load … … 45 47 ext = ['.txt'] 46 48 # Deprecated extensions 47 deprecated_extensions = ['.asc' , '.nxs']49 deprecated_extensions = ['.asc'] 48 50 # Bypass extension check and try to load anyway 49 51 allow_all = False … … 98 100 if len(self.output) > 0: 99 101 # Sort the data that's been loaded 100 self. sort_one_d_data()101 self.sort_ two_d_data()102 self.convert_data_units() 103 self.sort_data() 102 104 else: 103 105 msg = "Unable to find file at: {}\n".format(filepath) … … 140 142 Returns the entire file as a string. 141 143 """ 142 #return self.f_open.read()143 144 return decode(self.f_open.read()) 144 145 … … 166 167 self.output.append(data_obj) 167 168 168 def sort_ one_d_data(self):169 def sort_data(self): 169 170 """ 170 171 Sort 1D data along the X axis for consistency … … 174 175 # Normalize the units for 175 176 data.x_unit = self.format_unit(data.x_unit) 177 data._xunit = data.x_unit 176 178 data.y_unit = self.format_unit(data.y_unit) 179 data._yunit = data.y_unit 177 180 # Sort data by increasing x and remove 1st point 178 181 ind = np.lexsort((data.y, data.x)) … … 203 206 data.ymin = np.min(data.y) 204 207 data.ymax = np.max(data.y) 208 elif isinstance(data, Data2D): 209 # Normalize the units for 210 data.Q_unit = self.format_unit(data.Q_unit) 211 data.I_unit = self.format_unit(data.I_unit) 212 data._xunit = data.Q_unit 213 data._yunit = data.Q_unit 214 data._zunit = data.I_unit 215 data.data = data.data.astype(np.float64) 216 data.qx_data = data.qx_data.astype(np.float64) 217 data.xmin = np.min(data.qx_data) 218 data.xmax = np.max(data.qx_data) 219 data.qy_data = data.qy_data.astype(np.float64) 220 data.ymin = np.min(data.qy_data) 221 data.ymax = np.max(data.qy_data) 222 data.q_data = np.sqrt(data.qx_data * data.qx_data 223 + data.qy_data * data.qy_data) 224 if data.err_data is not None: 225 data.err_data = data.err_data.astype(np.float64) 226 if data.dqx_data is not None: 227 data.dqx_data = data.dqx_data.astype(np.float64) 228 if data.dqy_data is not None: 229 data.dqy_data = data.dqy_data.astype(np.float64) 230 if data.mask is not None: 231 data.mask = data.mask.astype(dtype=bool) 232 233 if len(data.data.shape) == 2: 234 n_rows, n_cols = data.data.shape 235 data.y_bins = data.qy_data[0::int(n_cols)] 236 data.x_bins = data.qx_data[:int(n_cols)] 237 data.data = data.data.flatten() 238 data = self._remove_nans_in_data(data) 239 if len(data.data) > 0: 240 data.xmin = np.min(data.qx_data) 241 data.xmax = np.max(data.qx_data) 242 data.ymin = np.min(data.qy_data) 243 data.ymax = np.max(data.qy_data) 205 244 206 245 @staticmethod … … 242 281 return data 243 282 244 def sort_two_d_data(self): 245 for dataset in self.output: 246 if isinstance(dataset, Data2D): 247 # Normalize the units for 248 dataset.x_unit = self.format_unit(dataset.Q_unit) 249 dataset.y_unit = self.format_unit(dataset.I_unit) 250 dataset.data = dataset.data.astype(np.float64) 251 dataset.qx_data = dataset.qx_data.astype(np.float64) 252 dataset.xmin = np.min(dataset.qx_data) 253 dataset.xmax = np.max(dataset.qx_data) 254 dataset.qy_data = dataset.qy_data.astype(np.float64) 255 dataset.ymin = np.min(dataset.qy_data) 256 dataset.ymax = np.max(dataset.qy_data) 257 dataset.q_data = np.sqrt(dataset.qx_data * dataset.qx_data 258 + dataset.qy_data * dataset.qy_data) 259 if dataset.err_data is not None: 260 dataset.err_data = dataset.err_data.astype(np.float64) 261 if dataset.dqx_data is not None: 262 dataset.dqx_data = dataset.dqx_data.astype(np.float64) 263 if dataset.dqy_data is not None: 264 dataset.dqy_data = dataset.dqy_data.astype(np.float64) 265 if dataset.mask is not None: 266 dataset.mask = dataset.mask.astype(dtype=bool) 267 268 if len(dataset.data.shape) == 2: 269 n_rows, n_cols = dataset.data.shape 270 dataset.y_bins = dataset.qy_data[0::int(n_cols)] 271 dataset.x_bins = dataset.qx_data[:int(n_cols)] 272 dataset.data = dataset.data.flatten() 273 dataset = self._remove_nans_in_data(dataset) 274 if len(dataset.data) > 0: 275 dataset.xmin = np.min(dataset.qx_data) 276 dataset.xmax = np.max(dataset.qx_data) 277 dataset.ymin = np.min(dataset.qy_data) 278 dataset.ymax = np.max(dataset.qy_data) 283 @staticmethod 284 def set_default_1d_units(data): 285 """ 286 Set the x and y axes to the default 1D units 287 :param data: 1D data set 288 :return: 289 """ 290 data.xaxis(r"\rm{Q}", '1/A') 291 data.yaxis(r"\rm{Intensity}", "1/cm") 292 return data 293 294 @staticmethod 295 def set_default_2d_units(data): 296 """ 297 Set the x and y axes to the default 2D units 298 :param data: 2D data set 299 :return: 300 """ 301 data.xaxis("\\rm{Q_{x}}", '1/A') 302 data.yaxis("\\rm{Q_{y}}", '1/A') 303 data.zaxis("\\rm{Intensity}", "1/cm") 304 return data 305 306 def convert_data_units(self, default_q_unit="1/A"): 307 """ 308 Converts al; data to the sasview default of units of A^{-1} for Q and 309 cm^{-1} for I. 310 :param default_q_unit: The default Q unit used by Sasview 311 """ 312 convert_q = True 313 new_output = [] 314 for data in self.output: 315 if data.isSesans: 316 new_output.append(data) 317 continue 318 try: 319 file_x_unit = data._xunit 320 data_conv_x = Converter(file_x_unit) 321 except KeyError: 322 logger.info("Unrecognized Q units in data file. No data " 323 "conversion attempted") 324 convert_q = False 325 try: 326 327 if isinstance(data, Data1D): 328 if convert_q: 329 data.x = data_conv_x(data.x, units=default_q_unit) 330 data._xunit = default_q_unit 331 data.x_unit = default_q_unit 332 if data.dx is not None: 333 data.dx = data_conv_x(data.dx, 334 units=default_q_unit) 335 if data.dxl is not None: 336 data.dxl = data_conv_x(data.dxl, 337 units=default_q_unit) 338 if data.dxw is not None: 339 data.dxw = data_conv_x(data.dxw, 340 units=default_q_unit) 341 elif isinstance(data, Data2D): 342 if convert_q: 343 data.qx_data = data_conv_x(data.qx_data, 344 units=default_q_unit) 345 if data.dqx_data is not None: 346 data.dqx_data = data_conv_x(data.dqx_data, 347 units=default_q_unit) 348 try: 349 file_y_unit = data._yunit 350 data_conv_y = Converter(file_y_unit) 351 data.qy_data = data_conv_y(data.qy_data, 352 units=default_q_unit) 353 if data.dqy_data is not None: 354 data.dqy_data = data_conv_y(data.dqy_data, 355 units=default_q_unit) 356 except KeyError: 357 logger.info("Unrecognized Qy units in data file. No" 358 " data conversion attempted") 359 except KeyError: 360 message = "Unable to convert Q units from {0} to 1/A." 361 message.format(default_q_unit) 362 data.errors.append(message) 363 new_output.append(data) 364 self.output = new_output 279 365 280 366 def format_unit(self, unit=None): … … 367 453 self.current_dataset.qy_data)) 368 454 if has_error_dy: 369 self.current_dataset.err_data = self.current_dataset.err_data[x != 0] 455 self.current_dataset.err_data = self.current_dataset.err_data[ 456 x != 0] 370 457 if has_error_dqx: 371 self.current_dataset.dqx_data = self.current_dataset.dqx_data[x != 0] 458 self.current_dataset.dqx_data = self.current_dataset.dqx_data[ 459 x != 0] 372 460 if has_error_dqy: 373 self.current_dataset.dqy_data = self.current_dataset.dqy_data[x != 0] 461 self.current_dataset.dqy_data = self.current_dataset.dqy_data[ 462 x != 0] 374 463 if has_mask: 375 464 self.current_dataset.mask = self.current_dataset.mask[x != 0]
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