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ift
NIFTy
Commits
346cb2a2
Commit
346cb2a2
authored
Nov 05, 2019
by
Philipp Arras
Browse files
Adopt demo script
parent
bb7cd0dd
Pipeline
#63018
failed with stages
in 5 minutes and 38 seconds
Changes
1
Pipelines
1
Hide whitespace changes
Inline
Side-by-side
demos/newamplitudes/easyinterface.py
View file @
346cb2a2
...
...
@@ -2,54 +2,32 @@ import nifty5 as ift
import
numpy
as
np
np
.
random
.
seed
(
42
)
sspace
=
ift
.
RGSpace
((
128
,
128
),
(
0.2
,
0.2
))
sspace
=
ift
.
RGSpace
((
128
,))
hspace
=
sspace
.
get_default_codomain
()
target
=
ift
.
PowerSpace
(
hspace
)
target
0
=
ift
.
PowerSpace
(
hspace
)
fa
=
ift
.
FinalAmplitude
()
fa
.
add_fluctuations
(
target
,
1
,
0.1
,
1
,
0.1
,
1
,
0.1
,
-
2
,
0.1
,
'fst'
)
fa
.
add_fluctuations
(
target
,
1
,
0.1
,
1
,
0.1
,
1
,
0.1
,
-
2
,
0.1
,
'snd'
)
fa
.
finalize
(
1
,
0.1
,
''
,
offset
=-
10
)
exit
()
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
)
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
],
[]
skys
,
skys1
,
skys2
=
[],
[],
[]
fa
.
add_fluctuations
(
target0
,
10
,
2
,
1
,
1e-6
,
2
,
1e-6
,
-
2
,
1e-6
,
'spatial'
)
op
=
fa
.
finalize
(
10
,
0.1
,
''
)
A
=
fa
.
amplitudes
[
0
]
cstpos
=
ift
.
from_random
(
'normal'
,
op
.
domain
)
p1
,
p2
=
[
ift
.
Plot
()
for
_
in
range
(
2
)]
lst1
=
[]
skys1
,
skys2
=
[],
[]
for
_
in
range
(
8
):
pos
=
ift
.
from_random
(
'normal'
,
corfld
.
domain
)
skyfixA
=
corfldfixA
.
force
(
pos
)
skys
.
append
(
skyfixA
)
ft
=
ift
.
HartleyOperator
(
hspace
,
sspace
).
scale
(
hspace
.
scalar_dvol
**-
0.5
)
lst
.
append
(
ift
.
power_analyze
(
ft
.
inverse
(
skyfixA
)))
pos
=
ift
.
from_random
(
'normal'
,
op
.
domain
)
foo
=
ift
.
MultiField
.
union
([
cstpos
,
pos
.
extract
(
A
.
domain
)])
skys2
.
append
(
corfld
(
foo
))
skys2
.
append
(
op
(
foo
))
sky
=
corfld
(
pos
)
sky
=
op
(
pos
)
skys1
.
append
(
sky
)
lst1
.
append
(
A
.
force
(
pos
))
for
pp
,
ll
in
[
(
p
,
skys
),
(
p1
,
skys1
),
(
p2
,
skys2
)]:
for
pp
,
ll
in
[(
p1
,
skys1
),
(
p2
,
skys2
)]:
mi
,
ma
=
None
,
None
if
Tru
e
:
if
Fals
e
:
mi
,
ma
=
np
.
inf
,
-
np
.
inf
for
ss
in
ll
:
mi
=
min
([
mi
,
np
.
amin
(
ss
.
val
)])
...
...
@@ -57,9 +35,7 @@ for pp, ll in [(p, skys), (p1, skys1), (p2, skys2)]:
for
ss
in
ll
:
pp
.
add
(
ss
,
zmin
=
mi
,
zmax
=
ma
)
p
.
add
(
lst
)
p1
.
add
(
lst1
)
p2
.
add
(
lst1
)
p1
.
output
(
name
=
'full.png'
)
p
.
output
(
name
=
'A_fixed.png'
)
p2
.
output
(
name
=
'xi_fixed.png'
)
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