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machine-learning
MLAir
Commits
4445b59d
Commit
4445b59d
authored
4 years ago
by
Felix Kleinert
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add helpers for wind sectors
parent
01ced30a
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1 merge request
!259
Draft: Resolve "WRF-Datahandler should inherit from SingleStationDatahandler"
Changes
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1 changed file
mlair/helpers/geofunctions.py
+43
-1
43 additions, 1 deletion
mlair/helpers/geofunctions.py
with
43 additions
and
1 deletion
mlair/helpers/geofunctions.py
+
43
−
1
View file @
4445b59d
...
@@ -3,11 +3,12 @@ __author__ = 'Felix Kleinert'
...
@@ -3,11 +3,12 @@ __author__ = 'Felix Kleinert'
__date__
=
'
2021-02-16
'
__date__
=
'
2021-02-16
'
import
dask.array
as
da
import
dask.array
as
da
import
numpy
import
numpy
as
np
import
numpy
as
np
import
xarray
as
xr
import
xarray
as
xr
from
mlair.helpers.helpers
import
convert2xrda
from
mlair.helpers.helpers
import
convert2xrda
from
typing
import
Union
,
Tuple
from
typing
import
Union
,
Tuple
,
List
xr_int_float
=
Union
[
xr
.
DataArray
,
xr
.
Dataset
,
np
.
ndarray
,
int
,
float
]
xr_int_float
=
Union
[
xr
.
DataArray
,
xr
.
Dataset
,
np
.
ndarray
,
int
,
float
]
tuple_of_2xr_int_float
=
Tuple
[
xr_int_float
,
xr_int_float
]
tuple_of_2xr_int_float
=
Tuple
[
xr_int_float
,
xr_int_float
]
...
@@ -134,6 +135,45 @@ def bearing_angle(lat1: xr_int_float, lon1: xr_int_float,
...
@@ -134,6 +135,45 @@ def bearing_angle(lat1: xr_int_float, lon1: xr_int_float,
return
theta_rad
return
theta_rad
class
WindSector
:
DEFAULT_WIND_SECTORS
=
[
'
N
'
,
'
NNE
'
,
'
NE
'
,
'
ENE
'
,
'
E
'
,
'
ESE
'
,
'
SE
'
,
'
SSE
'
,
'
S
'
,
'
SSW
'
,
'
SW
'
,
'
WSW
'
,
'
W
'
,
'
WNW
'
,
'
NW
'
,
'
NNW
'
]
def
__init__
(
self
,
wind_sectors
=
None
):
if
wind_sectors
is
None
:
wind_sectors
=
self
.
DEFAULT_WIND_SECTORS
self
.
_set_wind_sectores
(
wind_sectors
)
def
_set_wind_sectores
(
self
,
wind_sectores
):
# adapted from https://gitlab.version.fz-juelich.de/toar/geolocationservices/-/blob/master/utils/geoutils.py
number_of_sectores
=
len
(
wind_sectores
)
deg_per_sector
=
360.
/
number_of_sectores
edges_per_sector
=
np
.
array
([
-
deg_per_sector
/
2.
+
n
*
deg_per_sector
for
n
in
range
(
number_of_sectores
+
1
)])
# convert to range 0,360
edges_per_sector
=
(
edges_per_sector
+
360
)
%
360.
wind_sector_edges
=
{
sect
:
[
edges_per_sector
[
i
],
edges_per_sector
[
i
+
1
]]
for
i
,
sect
in
enumerate
(
wind_sectores
)}
self
.
edges_per_sector
=
edges_per_sector
self
.
wind_sectore_edges
=
wind_sector_edges
@staticmethod
def
_is_value_in_sector
(
value
,
left_edge
,
right_edge
)
->
bool
:
if
left_edge
<
right_edge
:
# all sectors which does not cross 360°/0°
return
da
.
logical_and
(
left_edge
<=
value
,
value
<
right_edge
)
elif
left_edge
>
right_edge
:
# (noth) sector which crosses 360°/0°
return
da
.
logical_or
(
da
.
logical_and
(
left_edge
<=
value
,
value
<
360.
),
# value between left_edge and 360°
da
.
logical_and
(
0.
<=
value
,
value
<
right_edge
)
# value between 0° and right_edge
)
else
:
raise
ValueError
(
f
"
`left_edge
'
and `right_edge
'
must not be the same.
"
)
def
is_in_sector
(
self
,
sector
:
str
,
value
)
->
bool
:
left_edge
,
right_edge
=
self
.
wind_sectore_edges
[
sector
]
return
self
.
_is_value_in_sector
(
value
,
left_edge
,
right_edge
)
if
__name__
==
'
__main__
'
:
if
__name__
==
'
__main__
'
:
kansas_StLouis
=
bearing_angle
(
lat1
=
39.099912
,
lon1
=-
94.581213
,
kansas_StLouis
=
bearing_angle
(
lat1
=
39.099912
,
lon1
=-
94.581213
,
lat2
=
38.627089
,
lon2
=-
90.200203
,
lat2
=
38.627089
,
lon2
=-
90.200203
,
...
@@ -147,3 +187,5 @@ if __name__ == '__main__':
...
@@ -147,3 +187,5 @@ if __name__ == '__main__':
t1_exp
=
0.
t1_exp
=
0.
t2
=
bearing_angle
(
lat1
=
0.
,
lon1
=
0.
,
lat2
=
0.
,
lon2
=
90.
,
to_radians
=
True
,
return_deg
=
True
)
t2
=
bearing_angle
(
lat1
=
0.
,
lon1
=
0.
,
lat2
=
0.
,
lon2
=
90.
,
to_radians
=
True
,
return_deg
=
True
)
t2_exp
=
90.
t2_exp
=
90.
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