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More variable choice of k in loaded W files 

Former-commit-id: a2f88f9346c23e22e5c1203416ce11a3a7db71a8
This commit is contained in:
Marek Nečada 2019-02-07 00:36:59 +02:00
parent 0603ed6e87
commit bca248e6d5
1 changed files with 10 additions and 8 deletions
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14
qpms/qpms_p.py
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@ -897,10 +897,12 @@ def loadWfile_info(fileName, lMax = None, midk_halfwidth = None, freqlimits = No
slovnik['Ws'] = None
return slovnik
def loadWfile_processed(fileName, lMax = None, fatForm = True, midk_halfwidth = None, freqlimits = None, iteratechunk = None):
def loadWfile_processed(fileName, lMax = None, fatForm = True, midk_halfwidth = None, midk_index = None, freqlimits = None, iteratechunk = None):
"""
midk_halfwidth: int
if given, takes only the "middle" k-value by index nk//2 and midk_halfwidth values from both sides
midk_index: int
if given, midk_index is taken as the "middle" value instad of nk//2
freqlimit: pair of doubles;
if given, only the values from the given frequency range (in Hz) are returned to save RAM
N.B.: the frequencies in the processed file are expected to be sorted!
@ -931,13 +933,13 @@ def loadWfile_processed(fileName, lMax = None, fatForm = True, midk_halfwidth =
EeVs_orig = data['EeVs_orig']
freqs_weirdunits = data['freqs_weirdunits']
if midk_halfwidth is not None:
k_mid_i = nk // 2
if midk_halfwidth < k_mid_i:
maxk_i = k_mid_i + midk_halfwidth
mink_i = k_mid_i - midk_halfwidth
nk = 2*midk_halfwidth+1
k_mid_i = nk // 2 if midk_index is None else midk_index
maxk_i = min(k_mid_i + midk_halfwidth, nk)
mink_i = max(0, k_mid_i - midk_halfwidth)
nk = maxk_i + 1 - mink_i
Ws = Ws[:,mink_i:(maxk_i+1)]
ks = ks[mink_i:(maxk_i+1)]
#k_mid_i_new = k_mid_i - mink_i
if lMax is not None:
nelem = lMax2nelem(lMax)
Ws = Ws[...,:nelem,:nelem]