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Add new areas and modify existing ones #31

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Add new areas and modify existing ones #31

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d2345f9
Add new areas (qaan, sc, db) and modify existing (sgl, nuuk)
ealerskans Jul 23, 2024
7d817c0
Clean up under qaan area
ealerskans Jul 23, 2024
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2 changes: 1 addition & 1 deletion dlotter/arguments.py
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,7 @@ def get_args(self, sysargs):
metavar='AREA',
type=str,
help='Over which area to plot (Options are: dk, gl, neu, sjalland, disko, \
europe, faroes, scoresbysund, sgl, tas, nkb)',
europe, faroes, scoresbysund, sgl, tas, nuuk, qaan, sc, db)',
default="dk",
required=False)

Expand Down
33 changes: 29 additions & 4 deletions dlotter/plot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,7 @@ def projections(self,args:argparse.Namespace) -> None:
false_easting=0.0, false_northing=0.0,
standard_parallels=(20.0, 50.0), globe=None)
self.data_crs = ccrs.PlateCarree()
self.extent = [-52, -37, 59, 63]
self.extent = [-49.1, -40.7, 59.1, 62.7]

if args.area == 'tas':
self.projection = ccrs.AlbersEqualArea(central_longitude=-37.7, central_latitude=65.9,
Expand All @@ -202,12 +202,31 @@ def projections(self,args:argparse.Namespace) -> None:
self.data_crs = ccrs.PlateCarree()
self.extent = [-41.1, -34.2, 64.6, 67.3]

if args.area == 'nkb':
if args.area == 'nuuk':
self.projection = ccrs.AlbersEqualArea(central_longitude=-52.0, central_latitude=63.2,
false_easting=0.0, false_northing=0.0,
standard_parallels=(20.0, 50.0), globe=None)
self.data_crs = ccrs.PlateCarree()
self.extent = [-57.5, -46.5, 61.5, 68.5]
self.extent = [-57.2, -47.1, 62.0, 68.0]

if args.area == 'sc':
self.projection = ccrs.AlbersEqualArea(central_longitude=-25., central_latitude=71.5,
false_easting=0.0, false_northing=0.0,
standard_parallels=(20.0, 50.0), globe=None)
self.data_crs = ccrs.PlateCarree()
self.extent = [-31.8, -17.3, 68.3, 74.6]

if args.area == 'db':
self.projection = ccrs.AlbersEqualArea(central_longitude=-52.0, central_latitude=63.2,
false_easting=0.0, false_northing=0.0,
standard_parallels=(20.0, 50.0), globe=None)
self.data_crs = ccrs.PlateCarree()
self.extent = [-57.6, -44.6, 66.0, 71.8]

if args.area == 'qaan':
self.projection = ccrs.Stereographic(central_latitude=70, central_longitude=-42)
self.data_crs = ccrs.PlateCarree()
self.extent = [-75.0, -62.6, 75.8, 78.4]

return

Expand Down Expand Up @@ -1090,9 +1109,15 @@ def barbs_thin(self, clons:np.array, area:str) -> int:
int
Thinning factor to use for barbs
"""
if area == 'gl':
if area in ['gl']:
dx = abs(clons.flatten()[0] - clons.flatten()[1])
thinner = int(2/dx)
elif area in ['sc']:
dx = abs(clons.flatten()[0] - clons.flatten()[1])
thinner = int(1/dx)
elif area in ['db', 'qaan']:
dx = abs(clons.flatten()[0] - clons.flatten()[1])
thinner = int(0.75/dx)
else:
dx = abs(clons.flatten()[0] - clons.flatten()[1])
thinner = int(0.5/dx)
Expand Down