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cigale
CIGALE
Commits
ab1d209f
Commit
ab1d209f
authored
Jul 20, 2014
by
Denis
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add residuals to pcigale-plots sed
parent
d9d225e7
Changes
1
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43 additions
and
16 deletions
+43
-16
pcigale_plots/__init__.py
pcigale_plots/__init__.py
+43
-16
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pcigale_plots/__init__.py
View file @
ab1d209f
...
...
@@ -21,6 +21,7 @@ import os
from
pcigale.data
import
Database
from
pcigale.utils
import
read_table
from
pcigale.session.configuration
import
Configuration
import
matplotlib.gridspec
as
gridspec
# Name of the file containing the best models information
BEST_MODEL_FILE
=
"best_models.txt"
...
...
@@ -107,32 +108,58 @@ def _sed_worker(obs, mod, filters):
for
filt
in
filters
.
values
()])
obs_fluxes
=
np
.
array
([
obs
[
filt
]
for
filt
in
filters
.
keys
()])
mod_fluxes
=
np
.
array
([
mod
[
filt
]
for
filt
in
filters
.
keys
()])
xmin
=
PLOT_L_MIN
*
(
1.
+
obs
[
'redshift'
])
xmax
=
PLOT_L_MAX
*
(
1.
+
obs
[
'redshift'
])
wsed
=
np
.
where
((
sed
[
'wavelength'
]
>
xmin
)
&
(
sed
[
'wavelength'
]
<
xmax
))
figure
=
plt
.
figure
()
ax
=
figure
.
add_subplot
(
111
)
ax
.
loglog
(
sed
[
'wavelength'
][
wsed
],
sed
[
'F_nu'
][
wsed
],
gs
=
gridspec
.
GridSpec
(
2
,
1
,
height_ratios
=
[
3
,
1
])
ax1
=
plt
.
subplot
(
gs
[
0
])
ax2
=
plt
.
subplot
(
gs
[
1
])
ax1
.
loglog
(
sed
[
'wavelength'
][
wsed
],
sed
[
'F_nu'
][
wsed
],
label
=
"Model spectrum"
,
color
=
'k'
)
ax
.
scatter
(
filters_wl
,
mod_fluxes
,
marker
=
'o'
,
color
=
'r'
,
ax
1
.
scatter
(
filters_wl
,
mod_fluxes
,
marker
=
'o'
,
color
=
'r'
,
label
=
"Model fluxes"
)
ax
.
scatter
(
filters_wl
,
obs_fluxes
,
marker
=
'o'
,
color
=
'b'
,
ax
1
.
scatter
(
filters_wl
,
obs_fluxes
,
marker
=
'o'
,
color
=
'b'
,
label
=
"Observed fluxes"
)
ax
.
set_xlim
(
xmin
,
xmax
)
ax
.
set_xlabel
(
"Wavelength [nm]"
)
ax
.
set_ylabel
(
"Flux [mJy]"
)
ax
.
legend
(
loc
=
'lower right'
)
figure
.
suptitle
(
"Best model for {}. z = {}. Reduced $\chi^2$={}."
.
format
(
obs
[
'id'
],
np
.
round
(
obs
[
'redshift'
],
decimals
=
2
),
np
.
round
(
mod
[
'reduced_chi_square'
],
decimals
=
2
)))
mask
=
obs_fluxes
!=
-
9999.
ax2
.
semilogx
(
filters_wl
[
mask
],
(
obs_fluxes
[
mask
]
-
mod_fluxes
[
mask
])
/
obs_fluxes
[
mask
],
marker
=
'o'
,
color
=
'k'
,
label
=
"(Obs - Mod) / Obs"
)
figure
.
subplots_adjust
(
hspace
=
0.
,
wspace
=
0.
)
ax1
.
set_xlim
(
xmin
,
xmax
)
ax2
.
set_xlim
(
xmin
,
xmax
)
ax2
.
set_ylim
(
-
1.0
,
1.0
)
ax2
.
set_xlabel
(
"Observed wavelength [nm]"
)
ax1
.
set_ylabel
(
"Flux [mJy]"
)
ax2
.
set_ylabel
(
"Relative residual flux"
)
ax1
.
legend
(
loc
=
'upper left'
,
fontsize
=
10
)
ax2
.
legend
(
loc
=
'upper right'
,
fontsize
=
10
)
figure
.
suptitle
(
"Best model for {} at z = {}. Reduced $\chi^2$={}"
.
format
(
obs
[
'id'
],
np
.
round
(
obs
[
'redshift'
],
decimals
=
3
),
np
.
round
(
mod
[
'reduced_chi_square'
],
decimals
=
2
))
)
figure
.
savefig
(
OUT_DIR
+
"{}_best_model.pdf"
.
format
(
obs
[
'id'
]))
plt
.
close
(
figure
)
else
:
print
(
"No SED found for {}. No plot created."
.
format
())
print
(
"No SED found for {}. No plot created."
.
format
(
obs
[
'id'
]))
def
chi2
(
config
):
"""Plot the χ² values of analysed variables.
"""
input_data
=
read_table
(
config
.
configuration
[
'data_file'
])
chi2_vars
=
(
config
.
configuration
[
'analysis_method_params'
]
[
'analysed_variables'
])
with
mp
.
Pool
(
processes
=
config
.
configuration
[
'cores'
])
as
pool
:
items
=
product
(
input_data
[
'id'
],
chi2_vars
)
pool
.
starmap
(
_chi2_worker
,
items
)
pool
.
close
()
pool
.
join
()
def
chi2
(
config
):
...
...
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