source: sasview/fittingview/src/sans/perspectives/fitting/utils.py @ c7e12b6

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since c7e12b6 was 7ee79cb, checked in by Jae Cho <jhjcho@…>, 13 years ago

now dy option working with simul fit too

  • Property mode set to 100644
File size: 691 bytes
Line 
1"""
2Module contains functions frequently used in this package
3"""
4import numpy
5
6def get_weight(data, is2d, flag=None):
7    """
8    Received flag and compute error on data.
9    :param flag: flag to transform error of data.
10    :param is2d: flag to distinguish 1D to 2D Data
11    """
12    weight = None
13    if is2d:
14        dy_data = data.err_data
15        data = data.data
16    else:
17        dy_data = data.dy
18        data = data.y
19    if flag == 0:
20        weight = numpy.ones_like(data)
21    elif flag == 1:
22        weight = dy_data
23    elif flag == 2:
24        weight = numpy.sqrt(numpy.abs(data))
25    elif flag == 3:
26        weight = numpy.abs(data)
27    return weight
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