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ift
NIFTy
Commits
aa91ea8c
Commit
aa91ea8c
authored
Feb 01, 2019
by
Martin Reinecke
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Merge branch 'demo_fixes' into 'NIFTy_5'
Python compatibility See merge request
!286
parents
c4e46aae
e718532a
Pipeline
#43302
passed with stages
in 18 minutes and 37 seconds
Changes
3
Pipelines
5
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Showing
3 changed files
with
14 additions
and
12 deletions
+14
-12
demos/getting_started_1.py
demos/getting_started_1.py
+4
-3
demos/getting_started_2.py
demos/getting_started_2.py
+4
-4
demos/getting_started_3.py
demos/getting_started_3.py
+6
-5
No files found.
demos/getting_started_1.py
View file @
aa91ea8c
...
...
@@ -21,6 +21,8 @@
# 1D (set mode=0), 2D (mode=1), or on the sphere (mode=2)
###############################################################################
import
sys
import
numpy
as
np
import
nifty5
as
ift
...
...
@@ -51,7 +53,6 @@ def mask_to_nan(mask, field):
if
__name__
==
'__main__'
:
import
sys
np
.
random
.
seed
(
42
)
# Choose space on which the signal field is defined
...
...
@@ -140,7 +141,7 @@ if __name__ == '__main__':
# Plotting
rg
=
isinstance
(
position_space
,
ift
.
RGSpace
)
plot
=
ift
.
Plot
()
filename
=
f
"getting_started_1_mode_
{
mode
}
.png"
filename
=
"getting_started_1_mode_{}.png"
.
format
(
mode
)
if
rg
and
len
(
position_space
.
shape
)
==
1
:
plot
.
add
(
[
HT
(
MOCK_SIGNAL
),
GR
.
adjoint
(
data
),
...
...
@@ -155,4 +156,4 @@ if __name__ == '__main__':
plot
.
add
(
HT
(
m
),
title
=
'Reconstruction'
)
plot
.
add
(
mask_to_nan
(
mask
,
HT
(
m
-
MOCK_SIGNAL
)),
title
=
'Residuals'
)
plot
.
output
(
nx
=
2
,
ny
=
2
,
xsize
=
10
,
ysize
=
10
,
name
=
filename
)
print
(
f
"Saved results as '
{
filename
}
'."
)
print
(
"Saved results as '{}'."
.
format
(
filename
)
)
demos/getting_started_2.py
View file @
aa91ea8c
...
...
@@ -21,6 +21,8 @@
# 1D (set mode=0), 2D (mode=1), or on the sphere (mode=2)
###############################################################################
import
sys
import
numpy
as
np
import
nifty5
as
ift
...
...
@@ -42,8 +44,6 @@ def exposure_2d():
if
__name__
==
'__main__'
:
import
sys
# FIXME All random seeds to 42
np
.
random
.
seed
(
42
)
# Choose space on which the signal field is defined
...
...
@@ -112,11 +112,11 @@ if __name__ == '__main__':
# Plotting
signal
=
sky
(
mock_position
)
reconst
=
sky
(
H
.
position
)
filename
=
f
"getting_started_2_mode_
{
mode
}
.png"
filename
=
"getting_started_2_mode_{}.png"
.
format
(
mode
)
plot
=
ift
.
Plot
()
plot
.
add
(
signal
,
title
=
'Signal'
)
plot
.
add
(
GR
.
adjoint
(
data
),
title
=
'Data'
)
plot
.
add
(
reconst
,
title
=
'Reconstruction'
)
plot
.
add
(
reconst
-
signal
,
title
=
'Residuals'
)
plot
.
output
(
xsize
=
12
,
ysize
=
10
,
name
=
filename
)
print
(
f
"Saved results as '
{
filename
}
'."
)
print
(
"Saved results as '{}'."
.
format
(
filename
)
)
demos/getting_started_3.py
View file @
aa91ea8c
...
...
@@ -25,6 +25,8 @@
# Demo takes a while to compute
#############################################################
import
sys
import
numpy
as
np
import
nifty5
as
ift
...
...
@@ -43,8 +45,7 @@ def radial_los(n_los):
if
__name__
==
'__main__'
:
import
sys
np
.
random
.
seed
(
420
)
# picked for a nice field realization
np
.
random
.
seed
(
420
)
# Choose between random line-of-sight response (mode=0) and radial lines
# of sight (mode=1)
...
...
@@ -52,7 +53,7 @@ if __name__ == '__main__':
mode
=
int
(
sys
.
argv
[
1
])
else
:
mode
=
0
filename
=
f
"getting_started_3_mode_
{
mode
}
_"
+
"{}.png"
filename
=
"getting_started_3_mode_{}_"
.
format
(
mode
)
+
"{}.png"
position_space
=
ift
.
RGSpace
([
128
,
128
])
harmonic_space
=
position_space
.
get_default_codomain
()
...
...
@@ -135,7 +136,7 @@ if __name__ == '__main__':
plot
.
add
(
signal
(
KL
.
position
),
title
=
"reconstruction"
)
plot
.
add
([
A
.
force
(
KL
.
position
),
A
.
force
(
mock_position
)],
title
=
"power"
)
plot
.
output
(
ny
=
1
,
ysize
=
6
,
xsize
=
16
,
name
=
filename
.
format
(
f
"loop_
{
i
:
02
}
"
))
name
=
filename
.
format
(
"loop_{:02d}"
.
format
(
i
)
))
# Draw posterior samples
KL
=
ift
.
MetricGaussianKL
(
mean
,
H
,
N_samples
)
...
...
@@ -156,4 +157,4 @@ if __name__ == '__main__':
title
=
"Sampled Posterior Power Spectrum"
,
linewidth
=
[
1.
]
*
len
(
powers
)
+
[
3.
,
3.
])
plot
.
output
(
ny
=
1
,
nx
=
3
,
xsize
=
24
,
ysize
=
6
,
name
=
filename_res
)
print
(
f
"Saved results as '
{
filename_res
}
'."
)
print
(
"Saved results as '{}'."
.
format
(
filename_res
)
)
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