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ift
NIFTy
Commits
f5c804b2
Commit
f5c804b2
authored
Jan 14, 2019
by
Martin Reinecke
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try to disentangle the logic a bit
parent
0cb13293
Changes
1
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1 changed file
with
103 additions
and
86 deletions
+103
-86
nifty5/plot.py
nifty5/plot.py
+103
-86
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nifty5/plot.py
View file @
f5c804b2
...
...
@@ -428,26 +428,20 @@ def _register_cmaps():
plt
.
register_cmap
(
cmap
=
LinearSegmentedColormap
(
"Plus Minus"
,
pm_cmap
))
def
_plot
(
f
,
ax
,
**
kwargs
):
def
_plot
1D
(
f
,
ax
,
**
kwargs
):
import
matplotlib.pyplot
as
plt
_register_cmaps
()
if
isinstance
(
f
,
Field
):
f
=
[
f
]
if
not
isinstance
(
f
,
list
):
raise
TypeError
(
"incorrect data type"
)
for
i
,
fld
in
enumerate
(
f
):
if
not
isinstance
(
fld
,
Field
):
raise
TypeError
(
"incorrect data type"
)
if
i
==
0
:
dom
=
fld
.
domain
if
(
len
(
dom
)
>
2
)
or
(
len
(
dom
)
<
1
):
raise
ValueError
(
"input field must have e
ither one domain or additionally an energy directio
n"
)
if
(
len
(
dom
)
!=
1
):
raise
ValueError
(
"input field must have e
xactly one domai
n"
)
else
:
if
fld
.
domain
!=
dom
:
raise
ValueError
(
"domain mismatch"
)
if
not
(
isinstance
(
dom
[
0
],
PowerSpace
)
or
(
isinstance
(
dom
[
0
],
RGSpace
)
and
len
(
dom
[
0
].
shape
)
==
1
)):
raise
ValueError
(
"PowerSpace or 1D RGSpace required"
)
dom
=
dom
[
0
]
label
=
kwargs
.
pop
(
"label"
,
None
)
if
not
isinstance
(
label
,
list
):
...
...
@@ -461,79 +455,22 @@ def _plot(f, ax, **kwargs):
if
not
isinstance
(
alpha
,
list
):
alpha
=
[
alpha
]
*
len
(
f
)
foo
=
kwargs
.
pop
(
"norm"
,
None
)
norm
=
{}
if
foo
is
None
else
{
'norm'
:
foo
}
ax
.
set_title
(
kwargs
.
pop
(
"title"
,
""
))
ax
.
set_xlabel
(
kwargs
.
pop
(
"xlabel"
,
""
))
ax
.
set_ylabel
(
kwargs
.
pop
(
"ylabel"
,
""
))
cmap
=
kwargs
.
pop
(
"colormap"
,
plt
.
rcParams
[
'image.cmap'
])
if
isinstance
(
dom
,
DomainTuple
):
if
len
(
dom
)
==
2
:
if
isinstance
(
dom
[
1
],
RGSpace
):
if
isinstance
(
dom
[
0
],
RGSpace
):
if
len
(
dom
[
0
].
shape
)
==
2
:
nx
,
ny
=
dom
[
0
].
shape
dx
,
dy
=
dom
[
0
].
distances
rgb
=
_rgb_data
(
f
[
0
].
to_global_data
())
im
=
ax
.
imshow
(
rgb
,
extent
=
[
0
,
nx
*
dx
,
0
,
ny
*
dy
],
origin
=
"lower"
,
**
norm
)
# from mpl_toolkits.axes_grid1 import make_axes_locatable
# divider = make_axes_locatable(ax)
# cax = divider.append_axes("right", size="5%", pad=0.05)
# plt.colorbar(im,cax=cax)
_limit_xy
(
**
kwargs
)
return
if
isinstance
(
dom
[
0
],(
HPSpace
,
GLSpace
)):
import
pyHealpix
xsize
=
800
res
,
mask
,
theta
,
phi
=
_mollweide_helper
(
xsize
)
res
=
np
.
full
(
shape
=
res
.
shape
+
(
3
,),
fill_value
=
1.
,
dtype
=
np
.
float64
)
rgb
=
_rgb_data
(
f
[
0
].
to_global_data
())
if
isinstance
(
dom
[
0
],
HPSpace
):
ptg
=
np
.
empty
((
phi
.
size
,
2
),
dtype
=
np
.
float64
)
ptg
[:,
0
]
=
theta
ptg
[:,
1
]
=
phi
base
=
pyHealpix
.
Healpix_Base
(
int
(
np
.
sqrt
(
dom
[
0
].
size
//
12
)),
"RING"
)
res
[
mask
]
=
rgb
[
base
.
ang2pix
(
ptg
)]
else
:
ra
=
np
.
linspace
(
0
,
2
*
np
.
pi
,
dom
[
0
].
nlon
+
1
)
dec
=
pyHealpix
.
GL_thetas
(
dom
[
0
].
nlat
)
ilat
=
_find_closest
(
dec
,
theta
)
ilon
=
_find_closest
(
ra
,
phi
)
ilon
=
np
.
where
(
ilon
==
dom
[
0
].
nlon
,
0
,
ilon
)
res
[
mask
]
=
rgb
[
ilat
*
dom
[
0
].
nlon
+
ilon
]
plt
.
axis
(
'off'
)
plt
.
imshow
(
res
,
origin
=
"lower"
)
return
dom
=
dom
[
0
]
if
isinstance
(
dom
,
RGSpace
):
if
len
(
dom
.
shape
)
==
1
:
npoints
=
dom
.
shape
[
0
]
dist
=
dom
.
distances
[
0
]
xcoord
=
np
.
arange
(
npoints
,
dtype
=
np
.
float64
)
*
dist
for
i
,
fld
in
enumerate
(
f
):
ycoord
=
fld
.
to_global_data
()
plt
.
plot
(
xcoord
,
ycoord
,
label
=
label
[
i
],
linewidth
=
linewidth
[
i
],
alpha
=
alpha
[
i
])
_limit_xy
(
**
kwargs
)
if
label
!=
([
None
]
*
len
(
f
)):
plt
.
legend
()
return
elif
len
(
dom
.
shape
)
==
2
:
nx
,
ny
=
dom
.
shape
dx
,
dy
=
dom
.
distances
im
=
ax
.
imshow
(
f
[
0
].
to_global_data
().
T
,
extent
=
[
0
,
nx
*
dx
,
0
,
ny
*
dy
],
vmin
=
kwargs
.
get
(
"zmin"
),
vmax
=
kwargs
.
get
(
"zmax"
),
cmap
=
cmap
,
origin
=
"lower"
,
**
norm
)
# from mpl_toolkits.axes_grid1 import make_axes_locatable
# divider = make_axes_locatable(ax)
# cax = divider.append_axes("right", size="5%", pad=0.05)
# plt.colorbar(im,cax=cax)
plt
.
colorbar
(
im
)
_limit_xy
(
**
kwargs
)
return
npoints
=
dom
.
shape
[
0
]
dist
=
dom
.
distances
[
0
]
xcoord
=
np
.
arange
(
npoints
,
dtype
=
np
.
float64
)
*
dist
for
i
,
fld
in
enumerate
(
f
):
ycoord
=
fld
.
to_global_data
()
plt
.
plot
(
xcoord
,
ycoord
,
label
=
label
[
i
],
linewidth
=
linewidth
[
i
],
alpha
=
alpha
[
i
])
_limit_xy
(
**
kwargs
)
if
label
!=
([
None
]
*
len
(
f
)):
plt
.
legend
()
return
elif
isinstance
(
dom
,
PowerSpace
):
plt
.
xscale
(
'log'
)
plt
.
yscale
(
'log'
)
...
...
@@ -546,27 +483,107 @@ def _plot(f, ax, **kwargs):
if
label
!=
([
None
]
*
len
(
f
)):
plt
.
legend
()
return
raise
ValueError
(
"Field type not(yet) supported"
)
def
_plot2D
(
f
,
ax
,
**
kwargs
):
import
matplotlib.pyplot
as
plt
dom
=
f
.
domain
if
len
(
dom
)
>
2
:
raise
ValueError
(
"DomainTuple can have at most two entries."
)
# check for multifrequency plotting
have_rgb
=
False
if
len
(
dom
)
==
2
:
if
(
not
isinstance
(
dom
[
1
],
RGSpace
))
or
len
(
dom
[
1
].
shape
)
!=
1
:
raise
TypeError
(
"need 1D RGSpace as second domain"
)
rgb
=
_rgb_data
(
f
.
to_global_data
())
have_rgb
=
True
label
=
kwargs
.
pop
(
"label"
,
None
)
foo
=
kwargs
.
pop
(
"norm"
,
None
)
norm
=
{}
if
foo
is
None
else
{
'norm'
:
foo
}
ax
.
set_title
(
kwargs
.
pop
(
"title"
,
""
))
ax
.
set_xlabel
(
kwargs
.
pop
(
"xlabel"
,
""
))
ax
.
set_ylabel
(
kwargs
.
pop
(
"ylabel"
,
""
))
dom
=
dom
[
0
]
if
not
have_rgb
:
cmap
=
kwargs
.
pop
(
"colormap"
,
plt
.
rcParams
[
'image.cmap'
])
if
isinstance
(
dom
,
RGSpace
):
nx
,
ny
=
dom
.
shape
dx
,
dy
=
dom
.
distances
if
have_rgb
:
im
=
ax
.
imshow
(
rgb
,
extent
=
[
0
,
nx
*
dx
,
0
,
ny
*
dy
],
origin
=
"lower"
,
**
norm
)
else
:
im
=
ax
.
imshow
(
f
.
to_global_data
().
T
,
extent
=
[
0
,
nx
*
dx
,
0
,
ny
*
dy
],
vmin
=
kwargs
.
get
(
"zmin"
),
vmax
=
kwargs
.
get
(
"zmax"
),
cmap
=
cmap
,
origin
=
"lower"
,
**
norm
)
plt
.
colorbar
(
im
)
_limit_xy
(
**
kwargs
)
return
elif
isinstance
(
dom
,
(
HPSpace
,
GLSpace
)):
import
pyHealpix
xsize
=
800
res
,
mask
,
theta
,
phi
=
_mollweide_helper
(
xsize
)
if
have_rgb
:
res
=
np
.
full
(
shape
=
res
.
shape
+
(
3
,),
fill_value
=
1.
,
dtype
=
np
.
float64
)
if
isinstance
(
dom
,
HPSpace
):
ptg
=
np
.
empty
((
phi
.
size
,
2
),
dtype
=
np
.
float64
)
ptg
[:,
0
]
=
theta
ptg
[:,
1
]
=
phi
base
=
pyHealpix
.
Healpix_Base
(
int
(
np
.
sqrt
(
f
[
0
].
size
//
12
)),
"RING"
)
res
[
mask
]
=
f
[
0
].
to_global_data
()[
base
.
ang2pix
(
ptg
)]
base
=
pyHealpix
.
Healpix_Base
(
int
(
np
.
sqrt
(
dom
.
size
//
12
)),
"RING"
)
if
have_rgb
:
res
[
mask
]
=
rgb
[
base
.
ang2pix
(
ptg
)]
else
:
res
[
mask
]
=
f
.
to_global_data
()[
base
.
ang2pix
(
ptg
)]
else
:
ra
=
np
.
linspace
(
0
,
2
*
np
.
pi
,
dom
.
nlon
+
1
)
dec
=
pyHealpix
.
GL_thetas
(
dom
.
nlat
)
ilat
=
_find_closest
(
dec
,
theta
)
ilon
=
_find_closest
(
ra
,
phi
)
ilon
=
np
.
where
(
ilon
==
dom
.
nlon
,
0
,
ilon
)
res
[
mask
]
=
f
[
0
].
to_global_data
()[
ilat
*
dom
.
nlon
+
ilon
]
if
have_rgb
:
res
[
mask
]
=
rgb
[
ilat
*
dom
[
0
].
nlon
+
ilon
]
else
:
res
[
mask
]
=
f
.
to_global_data
()[
ilat
*
dom
.
nlon
+
ilon
]
plt
.
axis
(
'off'
)
plt
.
imshow
(
res
,
vmin
=
kwargs
.
get
(
"zmin"
),
vmax
=
kwargs
.
get
(
"zmax"
),
cmap
=
cmap
,
origin
=
"lower"
)
plt
.
colorbar
(
orientation
=
"horizontal"
)
if
have_rgb
:
plt
.
imshow
(
res
,
origin
=
"lower"
)
else
:
plt
.
imshow
(
res
,
vmin
=
kwargs
.
get
(
"zmin"
),
vmax
=
kwargs
.
get
(
"zmax"
),
cmap
=
cmap
,
origin
=
"lower"
)
plt
.
colorbar
(
orientation
=
"horizontal"
)
return
raise
ValueError
(
"Field type not(yet) supported"
)
def
_plot
(
f
,
ax
,
**
kwargs
):
_register_cmaps
()
if
isinstance
(
f
,
Field
):
f
=
[
f
]
f
=
list
(
f
)
if
len
(
f
)
==
0
:
raise
ValueError
(
"need something to plot"
)
if
not
isinstance
(
f
[
0
],
Field
):
raise
TypeError
(
"incorrect data type"
)
dom1
=
f
[
0
].
domain
if
(
len
(
dom1
)
==
1
and
(
isinstance
(
dom1
[
0
],
PowerSpace
)
or
(
isinstance
(
dom1
[
0
],
RGSpace
)
and
len
(
dom1
[
0
].
shape
)
==
1
))):
_plot1D
(
f
,
ax
,
**
kwargs
)
return
else
:
if
len
(
f
)
!=
1
:
raise
ValueError
(
"need exactly one Field for 2D plot"
)
_plot2D
(
f
[
0
],
ax
,
**
kwargs
)
return
raise
ValueError
(
"Field type not(yet) supported"
)
...
...
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