source: sasview/src/sas/sasgui/perspectives/fitting/utils.py @ 78312f7

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalcmagnetic_scattrelease-4.2.2ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since 78312f7 was 959eb01, checked in by ajj, 8 years ago

normalising line endings

  • Property mode set to 100644
File size: 660 bytes
Line 
1"""
2Module contains functions frequently used in this package
3"""
4import numpy as np
5
6
7def get_weight(data, is2d, flag=None):
8    """
9    Received flag and compute error on data.
10    :param flag: flag to transform error of data.
11    :param is2d: flag to distinguish 1D to 2D Data
12    """
13    weight = None
14    if is2d:
15        dy_data = data.err_data
16        data = data.data
17    else:
18        dy_data = data.dy
19        data = data.y
20    if flag == 0:
21        weight = np.ones_like(data)
22    elif flag == 1:
23        weight = dy_data
24    elif flag == 2:
25        weight = np.sqrt(np.abs(data))
26    elif flag == 3:
27        weight = np.abs(data)
28    return weight
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