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csst-sims
csst_ifs_sim
Commits
7134f230
Commit
7134f230
authored
Apr 12, 2024
by
Yan Zhaojun
Browse files
redate ifs_sim
parent
b2028a91
Pipeline
#3989
failed with stage
in 0 seconds
Changes
10
Pipelines
1
Hide whitespace changes
Inline
Side-by-side
csst_ifs_sim/CTI/CTI.py
View file @
7134f230
...
...
@@ -14,14 +14,6 @@ parameters in parallel and serial direction.
"""
import
numpy
as
np
# try:
# import cdm03bidir
# #import cdm03bidirTest as cdm03bidir #for testing purposes only
# except ImportError:
# print('import CTI module')
# #print ('No CDM03bidir module available, please compile it: f2py -c -m cdm03bidir cdm03bidir.f90')
#CDM03bidir
class
CDM03bidir
():
...
...
@@ -59,7 +51,7 @@ class CDM03bidir():
self
.
params
.
update
(
self
.
values
)
#read in trap information
trapdata
=
np
.
loadtxt
(
self
.
values
[
'parallel
T
rapfile'
])
trapdata
=
np
.
loadtxt
(
self
.
values
[
'
dir_path'
]
+
self
.
values
[
'
parallel
t
rapfile'
])
if
trapdata
.
ndim
>
1
:
self
.
nt_p
=
trapdata
[:,
0
]
self
.
sigma_p
=
trapdata
[:,
1
]
...
...
@@ -70,7 +62,7 @@ class CDM03bidir():
self
.
sigma_p
=
[
trapdata
[
1
],]
self
.
taur_p
=
[
trapdata
[
2
],]
trapdata
=
np
.
loadtxt
(
self
.
values
[
'serial
T
rapfile'
])
trapdata
=
np
.
loadtxt
(
self
.
values
[
'
dir_path'
]
+
self
.
values
[
'
serial
t
rapfile'
])
if
trapdata
.
ndim
>
1
:
self
.
nt_s
=
trapdata
[:,
0
]
self
.
sigma_s
=
trapdata
[:,
1
]
...
...
@@ -99,98 +91,6 @@ class CDM03bidir():
self
.
logger
=
False
def
radiateFullCCD
(
self
):
"""
This routine allows the whole CCD to be run through a radiation damage mode.
The routine takes into account the fact that the amplifiers are in the corners
of the CCD. The routine assumes that the CCD is using four amplifiers.
There is an excess of .copy() calls, which should probably be cleaned up. However,
given that I had problem with the Fortran code, I have kept the calls. If memory
becomes an issue then this should be cleaned.
:return: radiation damaged image
:rtype: ndarray
"""
ydim
,
xdim
=
self
.
data
.
shape
out
=
np
.
zeros
((
xdim
,
ydim
))
#transpose the data, because Python has different convention than Fortran
data
=
self
.
data
.
transpose
().
copy
()
for
quad
in
self
.
values
[
'quads'
]:
if
self
.
logger
:
self
.
log
.
info
(
'Adding CTI to Q%i'
%
quad
)
if
quad
==
0
:
d
=
data
[
0
:
self
.
values
[
'xsize'
],
0
:
self
.
values
[
'ysize'
]].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
0
:
self
.
values
[
'xsize'
],
0
:
self
.
values
[
'ysize'
]]
=
tmp
elif
quad
==
1
:
d
=
data
[
self
.
values
[
'xsize'
]:,
:
self
.
values
[
'ysize'
]].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
self
.
values
[
'xsize'
]:,
:
self
.
values
[
'ysize'
]]
=
tmp
elif
quad
==
2
:
d
=
data
[:
self
.
values
[
'xsize'
],
self
.
values
[
'ysize'
]:].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[:
self
.
values
[
'xsize'
],
self
.
values
[
'ysize'
]:]
=
tmp
elif
quad
==
3
:
d
=
data
[
self
.
values
[
'xsize'
]:,
self
.
values
[
'ysize'
]:].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
self
.
values
[
'xsize'
]:,
self
.
values
[
'ysize'
]:]
=
tmp
else
:
print
(
'ERROR -- too many quadrants!!'
)
self
.
log
.
error
(
'Too many quadrants! This method allows only four quadrants.'
)
return
out
.
transpose
()
def
radiateFullCCD2
(
self
):
"""
This routine allows the whole CCD to be run through a radiation damage mode.
The routine takes into account the fact that the amplifiers are in the corners
of the CCD. The routine assumes that the CCD is using four amplifiers.
There is an excess of .copy() calls, which should probably be cleaned up. However,
given that I had problem with the Fortran code, I have kept the calls. If memory
becomes an issue then this should be cleaned.
:return: radiation damaged image
:rtype: ndarray
"""
ydim
,
xdim
=
self
.
data
.
shape
out
=
np
.
empty
((
ydim
,
xdim
))
#transpose the data, because Python has different convention than Fortran
data
=
self
.
data
.
copy
()
for
quad
in
self
.
values
[
'quads'
]:
if
self
.
logger
:
self
.
log
.
info
(
'Adding CTI to Q%i'
%
quad
)
if
quad
==
0
:
d
=
data
[:
self
.
values
[
'ysize'
],
:
self
.
values
[
'xsize'
]].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[:
self
.
values
[
'ysize'
],
:
self
.
values
[
'xsize'
]]
=
tmp
elif
quad
==
1
:
d
=
data
[:
self
.
values
[
'ysize'
],
self
.
values
[
'xsize'
]:].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[:
self
.
values
[
'ysize'
],
self
.
values
[
'xsize'
]:]
=
tmp
elif
quad
==
2
:
d
=
data
[
self
.
values
[
'ysize'
]:,
:
self
.
values
[
'xsize'
]].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
self
.
values
[
'ysize'
]:,
:
self
.
values
[
'xsize'
]]
=
tmp
elif
quad
==
3
:
d
=
data
[
self
.
values
[
'ysize'
]:,
self
.
values
[
'xsize'
]:].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
self
.
values
[
'ysize'
]:,
self
.
values
[
'xsize'
]:]
=
tmp
else
:
print
(
'ERROR -- too many quadrants!!'
)
self
.
log
.
error
(
'Too many quadrants! This method allows only four quadrants.'
)
return
out
def
applyRadiationDamage
(
self
,
data
,
iquadrant
=
0
):
"""
Apply radian damage based on FORTRAN CDM03 model. The method assumes that
...
...
@@ -255,7 +155,6 @@ class CDM03bidir():
#################################################################################
###modify
import
sys
#sys.path.append('../so')
from
ifs_so
import
cdm03bidir
# from ifs_so.cdm03.cpython-38-x86_64-linux-gnu import cdm03bidir
...
...
@@ -275,220 +174,6 @@ class CDM03bidir():
class
CDM03
():
"""
Class to run CDM03 CTI model, class Fortran routine to perform the actual CDM03 calculations.
:param data: input data to be radiated
:type data: ndarray
:param input: input parameters
:type input: dictionary
:param log: instance to Python logging
:type log: logging instance
"""
def
__init__
(
self
,
input
,
data
,
log
=
None
):
"""
Class constructor.
:param data: input data to be radiated
:type data: ndarray
:param input: input parameters
:type input: dictionary
:param log: instance to Python logging
:type log: logging instance
"""
try
:
import
cdm03
except
ImportError
:
print
(
'No CDM03 module available, please compile it: f2py -c -m cdm03 cdm03.f90'
)
self
.
data
=
data
self
.
values
=
dict
(
quads
=
(
0
,
1
,
2
,
3
),
xsize
=
2048
,
ysize
=
2066
,
dob
=
0.0
,
rdose
=
8.0e9
)
self
.
values
.
update
(
input
)
self
.
log
=
log
self
.
_setupLogger
()
def
_setupLogger
(
self
):
"""
Set up the logger.
"""
self
.
logger
=
True
if
self
.
log
is
None
:
self
.
logger
=
False
def
radiateFullCCD
(
self
):
"""
This routine allows the whole CCD to be run through a radiation damage mode.
The routine takes into account the fact that the amplifiers are in the corners
of the CCD. The routine assumes that the CCD is using four amplifiers.
There is an excess of .copy() calls, which should probably be cleaned up. However,
given that I had problem with the Fortran code, I have kept the calls. If memory
becomes an issue then this should be cleaned.
:return: radiation damaged image
:rtype: ndarray
"""
ydim
,
xdim
=
self
.
data
.
shape
out
=
np
.
zeros
((
xdim
,
ydim
))
#transpose the data, because Python has different convention than Fortran
data
=
self
.
data
.
transpose
().
copy
()
for
quad
in
self
.
values
[
'quads'
]:
if
self
.
logger
:
self
.
log
.
info
(
'Adding CTI to Q%i'
%
quad
)
if
quad
==
0
:
d
=
data
[
0
:
self
.
values
[
'xsize'
],
0
:
self
.
values
[
'ysize'
]].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
0
:
self
.
values
[
'xsize'
],
0
:
self
.
values
[
'ysize'
]]
=
tmp
elif
quad
==
1
:
d
=
data
[
self
.
values
[
'xsize'
]:,
:
self
.
values
[
'ysize'
]].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
self
.
values
[
'xsize'
]:,
:
self
.
values
[
'ysize'
]]
=
tmp
elif
quad
==
2
:
d
=
data
[:
self
.
values
[
'xsize'
],
self
.
values
[
'ysize'
]:].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[:
self
.
values
[
'xsize'
],
self
.
values
[
'ysize'
]:]
=
tmp
elif
quad
==
3
:
d
=
data
[
self
.
values
[
'xsize'
]:,
self
.
values
[
'ysize'
]:].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
self
.
values
[
'xsize'
]:,
self
.
values
[
'ysize'
]:]
=
tmp
else
:
print
(
'ERROR -- too many quadrants!!'
)
self
.
log
.
error
(
'Too many quadrants! This method allows only four quadrants.'
)
return
out
.
transpose
()
def
radiateFullCCD2
(
self
):
"""
This routine allows the whole CCD to be run through a radiation damage mode.
The routine takes into account the fact that the amplifiers are in the corners
of the CCD. The routine assumes that the CCD is using four amplifiers.
There is an excess of .copy() calls, which should probably be cleaned up. However,
given that I had problem with the Fortran code, I have kept the calls. If memory
becomes an issue then this should be cleaned.
:return: radiation damaged image
:rtype: ndarray
"""
ydim
,
xdim
=
self
.
data
.
shape
out
=
np
.
empty
((
ydim
,
xdim
))
#transpose the data, because Python has different convention than Fortran
data
=
self
.
data
.
copy
()
for
quad
in
self
.
values
[
'quads'
]:
if
self
.
logger
:
self
.
log
.
info
(
'Adding CTI to Q%i'
%
quad
)
if
quad
==
0
:
d
=
data
[:
self
.
values
[
'ysize'
],
:
self
.
values
[
'xsize'
]].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[:
self
.
values
[
'ysize'
],
:
self
.
values
[
'xsize'
]]
=
tmp
elif
quad
==
1
:
d
=
data
[:
self
.
values
[
'ysize'
],
self
.
values
[
'xsize'
]:].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[:
self
.
values
[
'ysize'
],
self
.
values
[
'xsize'
]:]
=
tmp
elif
quad
==
2
:
d
=
data
[
self
.
values
[
'ysize'
]:,
:
self
.
values
[
'xsize'
]].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
self
.
values
[
'ysize'
]:,
:
self
.
values
[
'xsize'
]]
=
tmp
elif
quad
==
3
:
d
=
data
[
self
.
values
[
'ysize'
]:,
self
.
values
[
'xsize'
]:].
copy
()
tmp
=
self
.
applyRadiationDamage
(
d
,
iquadrant
=
quad
).
copy
()
out
[
self
.
values
[
'ysize'
]:,
self
.
values
[
'xsize'
]:]
=
tmp
else
:
print
(
'ERROR -- too many quadrants!!'
)
self
.
log
.
error
(
'Too many quadrants! This method allows only four quadrants.'
)
return
out
def
applyRadiationDamage
(
self
,
data
,
iquadrant
=
0
):
"""
Apply radian damage based on FORTRAN CDM03 model. The method assumes that
input data covers only a single quadrant defined by the iquadrant integer.
:param data: imaging data to which the CDM03 model will be applied to.
:type data: ndarray
:param iquandrant: number of the quadrant to process
:type iquandrant: int
cdm03 - Function signature::
sout = cdm03(sinp,iflip,jflip,dob,rdose,in_nt,in_sigma,in_tr,[xdim,ydim,zdim])
Required arguments:
sinp : input rank-2 array('d') with bounds (xdim,ydim)
iflip : input int
jflip : input int
dob : input float
rdose : input float
in_nt : input rank-1 array('d') with bounds (zdim)
in_sigma : input rank-1 array('d') with bounds (zdim)
in_tr : input rank-1 array('d') with bounds (zdim)
Optional arguments:
xdim := shape(sinp,0) input int
ydim := shape(sinp,1) input int
zdim := len(in_nt) input int
Return objects:
sout : rank-2 array('d') with bounds (xdim,ydim)
.. Note:: Because Python/NumPy arrays are different row/column based, one needs
to be extra careful here. NumPy.asfortranarray will be called to get
an array laid out in Fortran order in memory. Before returning the
array will be laid out in memory in C-style (row-major order).
:return: image that has been run through the CDM03 model
:rtype: ndarray
"""
#read in trap information
trapdata
=
np
.
loadtxt
(
self
.
values
[
'trapfile'
])
nt
=
trapdata
[:,
0
]
sigma
=
trapdata
[:,
1
]
taur
=
trapdata
[:,
2
]
iflip
=
iquadrant
/
2
jflip
=
iquadrant
%
2
if
self
.
logger
:
self
.
log
.
info
(
'nt='
+
str
(
nt
))
self
.
log
.
info
(
'sigma= '
+
str
(
sigma
))
self
.
log
.
info
(
'taur= '
+
str
(
taur
))
self
.
log
.
info
(
'dob=%f'
%
self
.
values
[
'dob'
])
self
.
log
.
info
(
'rdose=%e'
%
self
.
values
[
'rdose'
])
self
.
log
.
info
(
'xsize=%i'
%
data
.
shape
[
1
])
self
.
log
.
info
(
'ysize=%i'
%
data
.
shape
[
0
])
self
.
log
.
info
(
'quadrant=%i'
%
iquadrant
)
self
.
log
.
info
(
'iflip=%i'
%
iflip
)
self
.
log
.
info
(
'jflip=%i'
%
jflip
)
# #call Fortran routine
# CTIed = cdm03.cdm03(np.asfortranarray(data),
# iflip, jflip,
# self.values['dob'], self.values['rdose'],
# nt, sigma, taur)
###modify
import
sys
sys
.
path
.
append
(
'../CTI'
)
import
cdm03
#################################################################################
CTIed
=
cdm03
.
cdm03
(
np
.
asfortranarray
(
data
),
jflip
,
iflip
,
self
.
values
[
'dob'
],
self
.
values
[
'rdose'
],
nt
,
sigma
,
taur
)
return
np
.
asanyarray
(
CTIed
)
#################################################################################################################
...
...
csst_ifs_sim/CTI/__pycache__/CTI.cpython-38.pyc
View file @
7134f230
No preview for this file type
csst_ifs_sim/__pycache__/csst_ifs_sim.cpython-38.pyc
View file @
7134f230
No preview for this file type
csst_ifs_sim/csst_ifs_sim.py
View file @
7134f230
...
...
@@ -5,10 +5,6 @@ Created on Thu Apr 11 15:18:57 2024
@author: yan
"""
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# import sys
import
os
from
scipy.interpolate
import
interp1d
import
astropy.coordinates
as
coord
...
...
@@ -18,17 +14,11 @@ import sys
# from csst_ifs_sim.support import cosmicrays
# from csst_ifs_sim.support import logger as lg
# from csst_ifs_sim.CTI import CTI
sys
.
path
.
append
(
'./csst_ifs_sim'
)
from
CTI
import
CTI
from
support
import
logger
as
lg
from
support
import
cosmicrays
from
support
import
IFSinstrumentModel
# from optparse import OptionParser
import
configparser
as
ConfigParser
import
cmath
from
scipy
import
ndimage
...
...
@@ -62,50 +52,31 @@ The approximate sequence of events in the simulator is as follows:
#. Read in a configuration file, which defines for example,
detector characteristics (bias, dark and readout noise, gain,
p
late scale and pixel scale, oversampling factor,
exposure time etc.).
p
ixel scale,
exposure time etc.).
#. Read in another file containing charge trap definitions (for CTI modelling).
#. Read in a file defining the cosmic rays (trail lengths and
cumulative distributions).
#. Read in CCD offset information, displace the image, and modify
the output file name to contain the CCD and quadrant information
cumulative distributions).
#. Load the wavefront aberration data used to calculate PSF with defined
wavelength and field of view.
#. Loop over the number of exposures to co-add and for each object in the
object catalog:
* determine the number of electrons an object should have by scaling the
object's magnitude
with the given zeropoint and exposure time.
* determine whether the object lands on to the detector or not and if it is
a star or an extended source (i.e. a galaxy).
* if object is extended determine the size (using a size-magnitude relation)
and scale counts, convolve with the PSF, and finally overlay onto the
detector according to its position.
* if object is a star, scale counts according to the derived scaling
(first step), and finally overlay onto the detector according to its position.
wavelength and field of view.
#. Apply calibration unit flux to mimic flat field exposures [optional].
#. Apply a multiplicative flat-field map to emulate pixel-to-pixel
non-uniformity [optional].
#. Add a charge injection line (horizontal and/or vertical) [optional].
non-uniformity.
#. Add cosmic ray tracks onto the CCD with random positions but known
distribution
[optional]
.
#. Apply detector charge bleeding in column direction
[optional]
.
distribution.
#. Apply detector charge bleeding in column direction.
#. Add constant dark current and background light from Zodiacal
light
[optional]
.
#. Include spatially uniform scattered light to the pixel grid
[optional]
.
#. Add photon (Poisson) noise
[optional]
#. Add cosmetic defects from an input file
[optional]
.
#. Add pre- and overscan regions in the serial direction
[optional]
.
light.
#. Include spatially uniform scattered light to the pixel grid.
#. Add photon (Poisson) noise
#. Add cosmetic defects from an input file.
#. Add pre- and overscan regions in the serial direction.
#. Apply the CDM03 radiation damage model [optional].
#. Apply CCD273 non-linearity model to the pixel data
[optional]
.
#. Add readout noise selected from a Gaussian distribution
[optional]
.
#. Apply CCD273 non-linearity model to the pixel data.
#. Add readout noise selected from a Gaussian distribution.
#. Convert from electrons to ADUs using a given gain factor.
#. Add a given bias level and discretise the counts (the output is going to be
in 16bit unsigned integers).
#. Finally the simulated image is converted to a FITS file, a WCS is assigned
and the output is saved to the current working directory.
#. Add a given bias level and discretise the counts
#. Finally the simulated image is converted to a FITS file.
Warning:: The code is still work in progress and new features are being added.
The code has been tested, but nevertheless bugs may be lurking in corners, so
...
...
@@ -120,16 +91,7 @@ Note:: This class is Python 3 compatible.
2024.3.20 --- update the fits header as defined order 0 data format
"""
# from astropy.table import Table
###############################################################################
# filterPivotWave = {'nuv': 2875.5, 'u': 3629.6, 'g': 4808.4,
# 'r': 6178.2, 'i': 7609.0, 'z': 9012.9, 'y': 9627.9}
# filterIndex = {'nuv': 0, 'u': 1, 'g': 2, 'r': 3, 'i': 4, 'z': 5, 'y': 6}
#### functions definition #####
def
transRaDec2D
(
ra
,
dec
):
"""
...
...
@@ -5596,7 +5558,7 @@ class IFSsimulator():
self
.
applyPoissonNoise
()
print
(
'Applying Possion noise finished.......'
)
#################################
#
#################################
if
self
.
nonlinearity
:
self
.
applyNonlinearity
()
...
...
csst_ifs_sim/ifs_so/__pycache__/__init__.cpython-38.pyc
0 → 100644
View file @
7134f230
File added
csst_ifs_sim/support/IFSinstrumentModel.py
View file @
7134f230
...
...
@@ -51,5 +51,5 @@ def CCDnonLinearityModel(data, beta=6e-7):
return
out
if
__name__
==
'__main__'
:
print
(
'IFSinstrument'
)
#
if __name__ == '__main__':
#
print('IFSinstrument')
csst_ifs_sim/support/__pycache__/IFSinstrumentModel.cpython-38.pyc
View file @
7134f230
No preview for this file type
csst_ifs_sim/support/__pycache__/cosmicrays.cpython-38.pyc
View file @
7134f230
No preview for this file type
csst_ifs_sim/support/cosmicrays.py
View file @
7134f230
...
...
@@ -62,18 +62,18 @@ class cosmicrays():
self
.
_readCosmicrayInformation
()
def
_readCosmicrayInformation
(
self
):
self
.
log
.
info
(
'Reading in cosmic ray information from %s and %s'
%
(
self
.
information
[
'cosmicraylengths'
],
self
.
information
[
'cosmicraydistance'
]))
#read in the information from the files
crLengths
=
np
.
loadtxt
(
self
.
information
[
'cosmicraylengths'
])
crDists
=
np
.
loadtxt
(
self
.
information
[
'cosmicraydistance'
])
#
def _readCosmicrayInformation(self):
#
self.log.info('Reading in cosmic ray information from %s and %s' % (self.information['cosmicraylengths'],
#
self.information['cosmicraydistance']))
#
#read in the information from the files
#
crLengths = np.loadtxt(self.information['cosmicraylengths'])
#
crDists = np.loadtxt(self.information['cosmicraydistance'])
#set up the cosmic ray information dictionary
self
.
cr
=
dict
(
cr_u
=
crLengths
[:,
0
],
cr_cdf
=
crLengths
[:,
1
],
cr_cdfn
=
np
.
shape
(
crLengths
)[
0
],
cr_v
=
crDists
[:,
0
],
cr_cde
=
crDists
[:,
1
],
cr_cden
=
np
.
shape
(
crDists
)[
0
])
#
#set up the cosmic ray information dictionary
#
self.cr = dict(cr_u=crLengths[:, 0], cr_cdf=crLengths[:, 1], cr_cdfn=np.shape(crLengths)[0],
#
cr_v=crDists[:, 0], cr_cde=crDists[:, 1], cr_cden=np.shape(crDists)[0])
return
self
.
cr
#
return self.cr
def
_cosmicRayIntercepts
(
self
,
lum
,
x0
,
y0
,
l
,
phi
):
...
...
@@ -195,113 +195,113 @@ class cosmicrays():
return
crImage
def
_drawCosmicRays
(
self
,
limit
=
None
):
"""
Add cosmic rays to the arrays based on a power-law intensity distribution for tracks.
Cosmic ray properties (such as location and angle) are chosen from random Uniform distribution.
"""
#estimate the number of cosmics
cr_n
=
self
.
xsize
*
self
.
ysize
*
0.014
/
43.263316
*
2.
#scale with exposure time, the above numbers are for the nominal 565s exposure
cr_n
*=
(
self
.
information
[
'exptime'
]
/
565.0
)
#assume a power-law intensity distribution for tracks
fit
=
dict
(
cr_lo
=
1.0e3
,
cr_hi
=
1.0e5
,
cr_q
=
2.0e0
)
fit
[
'q1'
]
=
1.0e0
-
fit
[
'cr_q'
]
fit
[
'en1'
]
=
fit
[
'cr_lo'
]
**
fit
[
'q1'
]
fit
[
'en2'
]
=
fit
[
'cr_hi'
]
**
fit
[
'q1'
]
#pseudo-random numbers taken from a uniform distribution between 0 and 1
np
.
random
.
seed
()
luck
=
np
.
random
.
rand
(
int
(
np
.
floor
(
cr_n
)))
#draw the length of the tracks
if
self
.
cr
[
'cr_cdfn'
]
>
1
:
ius
=
InterpolatedUnivariateSpline
(
self
.
cr
[
'cr_cdf'
],
self
.
cr
[
'cr_u'
])
self
.
cr
[
'cr_l'
]
=
ius
(
luck
)
else
:
self
.
cr
[
'cr_l'
]
=
np
.
sqrt
(
1.0
-
luck
**
2
)
/
luck
#draw the energy of the tracks
if
self
.
cr
[
'cr_cden'
]
>
1
:
ius
=
InterpolatedUnivariateSpline
(
self
.
cr
[
'cr_cde'
],
self
.
cr
[
'cr_v'
])
self
.
cr
[
'cr_e'
]
=
ius
(
luck
)
else
:
np
.
random
.
seed
()
self
.
cr
[
'cr_e'
]
=
(
fit
[
'en1'
]
+
(
fit
[
'en2'
]
-
fit
[
'en1'
])
*
np
.
random
.
rand
(
int
(
np
.
floor
(
cr_n
))))
**
(
1.0
/
fit
[
'q1'
])
#Choose the properties such as positions and an angle from a random Uniform dist
np
.
random
.
seed
()
cr_x
=
self
.
xsize
*
np
.
random
.
rand
(
int
(
np
.
floor
(
cr_n
)))
#
def _drawCosmicRays(self, limit=None):
#
"""
#
Add cosmic rays to the arrays based on a power-law intensity distribution for tracks.
#
Cosmic ray properties (such as location and angle) are chosen from random Uniform distribution.
#
"""
#
#estimate the number of cosmics
#
cr_n = self.xsize * self.ysize * 0.014 / 43.263316 * 2.
#
#scale with exposure time, the above numbers are for the nominal 565s exposure
#
cr_n *= (self.information['exptime'] / 565.0)
#
#assume a power-law intensity distribution for tracks
#
fit = dict(cr_lo=1.0e3, cr_hi=1.0e5, cr_q=2.0e0)
#
fit['q1'] = 1.0e0 - fit['cr_q']
#
fit['en1'] = fit['cr_lo'] ** fit['q1']
#
fit['en2'] = fit['cr_hi'] ** fit['q1']
#
#pseudo-random numbers taken from a uniform distribution between 0 and 1
#
np.random.seed()
#
luck = np.random.rand(int(np.floor(cr_n)))
#
#draw the length of the tracks
#
if self.cr['cr_cdfn'] > 1:
#
ius = InterpolatedUnivariateSpline(self.cr['cr_cdf'], self.cr['cr_u'])
#
self.cr['cr_l'] = ius(luck)
#
else:
#
self.cr['cr_l'] = np.sqrt(1.0 - luck ** 2) / luck
#
#draw the energy of the tracks
#
if self.cr['cr_cden'] > 1:
#
ius = InterpolatedUnivariateSpline(self.cr['cr_cde'], self.cr['cr_v'])
#
self.cr['cr_e'] = ius(luck)
#
else:
#
np.random.seed()
#
self.cr['cr_e'] = (fit['en1'] + (fit['en2'] - fit['en1']) *
#
np.random.rand(int(np.floor(cr_n)))) ** (1.0 / fit['q1'])
#
#Choose the properties such as positions and an angle from a random Uniform dist
#
np.random.seed()
#
cr_x = self.xsize * np.random.rand(int(np.floor(cr_n)))
np
.
random
.
seed
()
cr_y
=
self
.
ysize
*
np
.
random
.
rand
(
int
(
np
.
floor
(
cr_n
)))
#
np.random.seed()
#
cr_y = self.ysize * np.random.rand(int(np.floor(cr_n)))
np
.
random
.
seed
()
cr_phi
=
np
.
pi
*
np
.
random
.
rand
(
int
(
np
.
floor
(
cr_n
)))
#find the intercepts
if
limit
is
None
:
self
.
cosmicrayMap
=
self
.
_cosmicRayIntercepts
(
self
.
cr
[
'cr_e'
],
cr_x
,
cr_y
,
self
.
cr
[
'cr_l'
],
cr_phi
)
print
(
'Number of cosmic ray events:'
,
len
(
self
.
cr
[
'cr_e'
]))
else
:
#limit to electron levels < limit
msk
=
self
.
cr
[
'cr_e'
]
<
limit
print
(
'Number of cosmic ray events: %i / %i'
%
(
len
(
self
.
cr
[
'cr_e'
][
msk
]),
int
(
np
.
floor
(
cr_n
))))
self
.
cosmicrayMap
=
self
.
_cosmicRayIntercepts
(
self
.
cr
[
'cr_e'
][
msk
],
cr_x
[
msk
],
cr_y
[
msk
],
self
.
cr
[
'cr_l'
][
msk
],
cr_phi
[
msk
])
#count the covering factor
area_cr
=
np
.
count_nonzero
(
self
.
cosmicrayMap
)
text
=
'The cosmic ray covering factor is %i pixels i.e. %.3f per cent'
\
%
(
area_cr
,
100.
*
area_cr
/
(
self
.
xsize
*
self
.
ysize
))
self
.
log
.
info
(
text
)
print
(
text
)
def
_drawSingleEvent
(
self
,
limit
=
1000
,
cr_n
=
1
):
"""
Generate a single cosmic ray event and include it to a cosmic ray map (self.cosmicrayMap).
:param limit: limiting energy for the cosmic ray event
:type limit: float
:param cr_n: number of cosmic ray events to include
:type cr_n: int
:return: None
"""
#pseudo-random numbers taken from a uniform distribution between 0 and 1
np
.
random
.
seed
()
luck
=
np
.
random
.
rand
(
cr_n
)
#draw the length of the tracks
ius
=
InterpolatedUnivariateSpline
(
self
.
cr
[
'cr_cdf'
],
self
.
cr
[
'cr_u'
])
self
.
cr
[
'cr_l'
]
=
ius
(
luck
)
#set the energy directly to the limit
self
.
cr
[
'cr_e'
]
=
np
.
asarray
([
limit
,
]
*
cr_n
)
#Choose the properties such as positions and an angle from a random Uniform dist
np
.
random
.
seed
()
cr_x
=
self
.
xsize
*
np
.
random
.
rand
(
int
(
np
.
floor
(
cr_n
)))
#
np.random.seed()
#
cr_phi = np.pi * np.random.rand(int(np.floor(cr_n)))
#
#find the intercepts
#
if limit is None:
#
self.cosmicrayMap = self._cosmicRayIntercepts(self.cr['cr_e'], cr_x, cr_y, self.cr['cr_l'], cr_phi)
#
print ('Number of cosmic ray events:', len(self.cr['cr_e']))
#
else:
#
#limit to electron levels < limit
#
msk = self.cr['cr_e'] < limit
#
print ('Number of cosmic ray events: %i / %i' % (len(self.cr['cr_e'][msk]), int(np.floor(cr_n))))
#
self.cosmicrayMap = self._cosmicRayIntercepts(self.cr['cr_e'][msk], cr_x[msk], cr_y[msk],
#
self.cr['cr_l'][msk], cr_phi[msk])
#
#count the covering factor
#
area_cr = np.count_nonzero(self.cosmicrayMap)
#
text = 'The cosmic ray covering factor is %i pixels i.e. %.3f per cent' \
#
% (area_cr, 100.*area_cr / (self.xsize*self.ysize))
#
self.log.info(text)
#
print (text)
#
def _drawSingleEvent(self, limit=1000, cr_n=1):
#
"""
#
Generate a single cosmic ray event and include it to a cosmic ray map (self.cosmicrayMap).
#
:param limit: limiting energy for the cosmic ray event
#
:type limit: float
#
:param cr_n: number of cosmic ray events to include
#
:type cr_n: int
#
:return: None
#
"""
#
#pseudo-random numbers taken from a uniform distribution between 0 and 1
#
np.random.seed()
#
luck = np.random.rand(cr_n)
#
#draw the length of the tracks
#
ius = InterpolatedUnivariateSpline(self.cr['cr_cdf'], self.cr['cr_u'])
#
self.cr['cr_l'] = ius(luck)
#
#set the energy directly to the limit
#
self.cr['cr_e'] = np.asarray([limit, ]*cr_n)
#
#Choose the properties such as positions and an angle from a random Uniform dist
#
np.random.seed()
#
cr_x = self.xsize * np.random.rand(int(np.floor(cr_n)))
np
.
random
.
seed
()
cr_y
=
self
.
ysize
*
np
.
random
.
rand
(
int
(
np
.
floor
(
cr_n
)))
#
np.random.seed()
#
cr_y = self.ysize * np.random.rand(int(np.floor(cr_n)))
np
.
random
.
seed
()
cr_phi
=
np
.
pi
*
np
.
random
.
rand
(
int
(
np
.
floor
(
cr_n
)))
#
np.random.seed()
#
cr_phi = np.pi * np.random.rand(int(np.floor(cr_n)))
#find the intercepts
self
.
cosmicrayMap
=
self
.
_cosmicRayIntercepts
(
self
.
cr
[
'cr_e'
],
cr_x
,
cr_y
,
self
.
cr
[
'cr_l'
],
cr_phi
)
#
#find the intercepts
#
self.cosmicrayMap = self._cosmicRayIntercepts(self.cr['cr_e'], cr_x, cr_y, self.cr['cr_l'], cr_phi)
#count the covering factor
area_cr
=
np
.
count_nonzero
(
self
.
cosmicrayMap
)
text
=
'The cosmic ray covering factor is %i pixels i.e. %.3f per cent'
\
%
(
area_cr
,
100.
*
area_cr
/
(
self
.
xsize
*
self
.
ysize
))
self
.
log
.
info
(
text
)
print
(
text
)
#
#count the covering factor
#
area_cr = np.count_nonzero(self.cosmicrayMap)
#
text = 'The cosmic ray covering factor is %i pixels i.e. %.3f per cent' \
#
% (area_cr, 100.*area_cr / (self.xsize*self.ysize))
#
self.log.info(text)
#
print( text)
def
_drawEventsToCoveringFactor
(
self
,
coveringFraction
=
3.0
,
limit
=
1000
,
verbose
=
False
):
...
...
@@ -361,38 +361,38 @@ class cosmicrays():
text
=
'The cosmic ray covering factor is %i pixels i.e. %.3f per cent'
%
(
area_cr
,
covering
)
self
.
log
.
info
(
text
)
if
verbose
:
print
(
text
)
#
if verbose:
#
print( text)
def
addCosmicRays
(
self
,
limit
=
None
):
"""
Include cosmic rays to the image given.
#
def addCosmicRays(self, limit=None):
#
"""
#
Include cosmic rays to the image given.
:return: image with cosmic rays
:rtype: ndarray
"""
self
.
_drawCosmicRays
(
limit
=
limit
)
#
:return: image with cosmic rays
#
:rtype: ndarray
#
"""
#
self._drawCosmicRays(limit=limit)
#paste cosmic rays
self
.
image
+=
self
.
cosmicrayMap
#
#paste cosmic rays
#
self.image += self.cosmicrayMap
return
self
.
image
#
return self.image
def
addSingleEvent
(
self
,
limit
=
None
):
"""
Include a single cosmic ray event to the image given.
#
def addSingleEvent(self, limit=None):
#
"""
#
Include a single cosmic ray event to the image given.
:return: image with cosmic rays
:rtype: ndarray
"""
self
.
_drawSingleEvent
(
limit
=
limit
)
#
:return: image with cosmic rays
#
:rtype: ndarray
#
"""
#
self._drawSingleEvent(limit=limit)
#paste cosmic rays
self
.
image
+=
self
.
cosmicrayMap
#
#paste cosmic rays
#
self.image += self.cosmicrayMap
return
self
.
image
#
return self.image
def
addUpToFraction
(
self
,
coveringFraction
,
limit
=
None
,
verbose
=
False
):
...
...
@@ -417,8 +417,8 @@ class cosmicrays():
return
self
.
image
if
__name__
==
"__main__"
:
#
if __name__ == "__main__":
print
()
#
print()
ifs_data/IFS_sim_C90.config
View file @
7134f230
...
...
@@ -124,7 +124,7 @@ sky_noise=yes
cosmetics
=
yes
#apply radiation damage model?
radiationDamage
=
no
radiationDamage
=
yes
#add cosmic rays?
cosmicRays
=
yes
...
...
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