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ift
NIFTy
Commits
4e16fbe1
Commit
4e16fbe1
authored
Oct 25, 2019
by
Philipp Arras
Browse files
Work on plotting script
parent
167e9fd4
Pipeline
#62515
passed with stages
in 6 minutes and 57 seconds
Changes
1
Pipelines
1
Hide whitespace changes
Inline
Side-by-side
demos/newamplitudes/easyinterface.py
View file @
4e16fbe1
import
nifty5
as
ift
import
numpy
as
np
np
.
random
.
seed
(
42
)
sspace
=
ift
.
RGSpace
((
128
,
128
),
(
0.2
,
0.2
))
hspace
=
sspace
.
get_default_codomain
()
target
=
ift
.
PowerSpace
(
hspace
)
vol
=
hspace
.
scalar_dvol
**-
0.5
ft
=
ift
.
HartleyOperator
(
hspace
,
sspace
).
scale
(
vol
)
A
=
ift
.
NormalizedAmplitude
(
target
,
16
,
1
,
1
,
-
3
,
1
,
0
,
1
,
0
,
1
)
A
=
ift
.
WPAmplitude
(
target
,
[
0
,
-
2
,
0
],
[
1E-5
,
1
,
1
],
1
,
0.99
,
[
'rest'
,
'smooth'
,
'wienersigma'
])
avgA
=
ift
.
full
(
A
.
target
,
0.
)
n
=
1000
for
_
in
range
(
n
):
avgA
=
avgA
+
A
(
ift
.
from_random
(
'normal'
,
A
.
domain
))
avgA
=
avgA
/
n
corfldfixA
=
ift
.
CorrelatedField
(
sspace
,
avgA
)
corfld
=
ift
.
CorrelatedField
(
sspace
,
A
)
p
=
ift
.
Plot
()
p1
=
ift
.
Plot
()
corfld
=
ift
.
CorrelatedFieldNormAmplitude
(
sspace
,
A
,
0
,
1
)
corfldfixA
=
ift
.
CorrelatedFieldNormAmplitude
(
sspace
,
avgA
,
0
,
1
)
cstpos
=
ift
.
from_random
(
'normal'
,
corfld
.
domain
)
p
,
p1
,
p2
=
[
ift
.
Plot
()
for
_
in
range
(
3
)]
lst
,
lst1
=
[
avgA
**
2
],
[]
for
_
in
range
(
8
):
pos
=
ift
.
from_random
(
'normal'
,
corfld
.
domain
)
skyfixA
=
corfldfixA
.
force
(
pos
)
p
.
add
(
skyfixA
)
ft
=
ift
.
HartleyOperator
(
hspace
,
sspace
).
scale
(
hspace
.
scalar_dvol
**-
0.5
)
lst
.
append
(
ift
.
power_analyze
(
ft
.
inverse
(
skyfixA
)))
foo
=
ift
.
MultiField
.
union
([
cstpos
,
pos
.
extract
(
A
.
domain
)])
p2
.
add
(
corfld
(
foo
))
sky
=
corfld
(
pos
)
p1
.
add
(
sky
)
lst1
.
append
(
A
.
force
(
pos
))
p
.
add
(
lst
)
p1
.
add
(
lst1
)
p
.
output
(
name
=
'mean_power_spectrum.png'
,
xsize
=
15
,
ysize
=
15
)
p1
.
output
(
name
=
'full.png'
,
xsize
=
15
,
ysize
=
15
)
p2
.
add
(
lst1
)
p1
.
output
(
name
=
'full.png'
)
p
.
output
(
name
=
'A_fixed.png'
)
p2
.
output
(
name
=
'xi_fixed.png'
)
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