refactor: switch regions from lists to tuples

src/antarctic_plots/regions.py

@@ -29,50 +29,50 @@
 
 
 # regions
-antarctica = [-2800e3, 2800e3, -2800e3, 2800e3]
-west_antarctica = [-2740e3, 570e3, -2150e3, 1670e3]
-east_antarctica = [-840e3, 2880e3, -2400e3, 2600e3]
-antarctic_peninsula = [-2600e3, -1200e3, 170e3, 1800e3]
-marie_byrd_land = [-1500e3, -500e3, -1350e3, -800e3]
-victoria_land = [100e3, 1000e3, -2200e3, -1000e3]
+antarctica = (-2800e3, 2800e3, -2800e3, 2800e3)
+west_antarctica = (-2740e3, 570e3, -2150e3, 1670e3)
+east_antarctica = (-840e3, 2880e3, -2400e3, 2600e3)
+antarctic_peninsula = (-2600e3, -1200e3, 170e3, 1800e3)
+marie_byrd_land = (-1500e3, -500e3, -1350e3, -800e3)
+victoria_land = (100e3, 1000e3, -2200e3, -1000e3)
 # wilkes_land
 # queen_maud_land
 
 # study_sites
-roosevelt_island = [-480e3, -240e3, -1220e3, -980e3]
-ross_island = [210e3, 360e3, -1400e3, -1250e3]
-minna_bluff = [210e3, 390e3, -1310e3, -1120e3]
+roosevelt_island = (-480e3, -240e3, -1220e3, -980e3)
+ross_island = (210e3, 360e3, -1400e3, -1250e3)
+minna_bluff = (210e3, 390e3, -1310e3, -1120e3)
 # discovery_deep
-mcmurdo_dry_valleys = [320e3, 480e3, -1400e3, -1220e3]
-siple_coast = [-700e3, 30e3, -1110e3, -450e3]
-crary_ice_rise = [-330e3, -40e3, -830e3, -480e3]
-siple_dome = [-630e3, -270e3, -970e3, -630e3]
+mcmurdo_dry_valleys = (320e3, 480e3, -1400e3, -1220e3)
+siple_coast = (-700e3, 30e3, -1110e3, -450e3)
+crary_ice_rise = (-330e3, -40e3, -830e3, -480e3)
+siple_dome = (-630e3, -270e3, -970e3, -630e3)
 
 # ice_shelves
-ross_ice_shelf = [-680e3, 470e3, -1420e3, -310e3]
-# getz_ice_shelf = []
-# abbott_ice_shelf = []
-# george_vi_ice_shelf = []
-# wilkins_ice_shelf = []
-larsen_ice_shelf = [-2430e3, -1920e3, 900e3, 1400e3]
-ronne_filchner_ice_shelf = [-1550e3, -500e3, 80e3, 1200e3]
-# riiser_larsen_ice_shelf = []
-# fimbul_ice_shelf = []
-amery_ice_shelf = [1530e3, 2460e3, 430e3, 1000e3]
-# west_ice_shelf = []
-# shackleton_ice_shelf = []
-# brunt_ice_shelf = []
+ross_ice_shelf = (-680e3, 470e3, -1420e3, -310e3)
+# getz_ice_shelf = ()
+# abbott_ice_shelf = ()
+# george_vi_ice_shelf = ()
+# wilkins_ice_shelf = ()
+larsen_ice_shelf = (-2430e3, -1920e3, 900e3, 1400e3)
+ronne_filchner_ice_shelf = (-1550e3, -500e3, 80e3, 1200e3)
+# riiser_larsen_ice_shelf = ()
+# fimbul_ice_shelf = ()
+amery_ice_shelf = (1530e3, 2460e3, 430e3, 1000e3)
+# west_ice_shelf = ()
+# shackleton_ice_shelf = ()
+# brunt_ice_shelf = ()
 
 # glaciers
 # byrd_glacier
 # nimrod_glacier
-pine_island_glacier = [-1720e3, -1480e3, -380e3, -70e3]
-thwaites_glacier = [-1650e3, -1200e3, -600e3, -300e3]
-kamb_ice_stream = [-620e3, -220e3, -800e3, -400e3]
-# whillans_ice_stream = []
+pine_island_glacier = (-1720e3, -1480e3, -380e3, -70e3)
+thwaites_glacier = (-1650e3, -1200e3, -600e3, -300e3)
+kamb_ice_stream = (-620e3, -220e3, -800e3, -400e3)
+# whillans_ice_stream = ()
 
 # seas
-ross_sea = [-500e3, 450e3, -2100e3, -1300e3]
+ross_sea = (-500e3, 450e3, -2100e3, -1300e3)
 # amundsen_sea
 # bellinghausen_sea
 # weddell_sea
@@ -114,9 +114,9 @@
 
 
 def combine_regions(
-    region1: list,
-    region2: list,
-):
+    region1: tuple[float, float, float, float],
+    region2: tuple[float, float, float, float],
+) -> tuple[float, float, float, float]:
     """
     Get the bounding region of 2 regions.
 
@@ -135,9 +135,10 @@ def combine_regions(
     coords1 = utils.region_to_df(region1)
     coords2 = utils.region_to_df(region2)
     coords_combined = pd.concat((coords1, coords2))
-    region = vd.get_region((coords_combined.x, coords_combined.y))
-
-    return region
+    reg: tuple[float, float, float, float] = vd.get_region(
+        (coords_combined.x, coords_combined.y)
+    )
+    return reg
 
 
 def draw_region(**kwargs):