Allow user-defind geographical boundaries

etrago/tools/plot.py

@@ -1750,7 +1750,7 @@ def calc_network_expansion(network, method="abs", ext_min=0.1):
     return network, extension_lines, extension_links
 
 
-def plot_background_grid(network, ax):
+def plot_background_grid(network, ax, geographical_boundaries):
     """Plots grid topology in background of other network.plot
 
     Parameters
@@ -1759,6 +1759,8 @@ def plot_background_grid(network, ax):
         Overall container of PyPSA
     ax : matplotlib.axes._subplots.AxesSubplot
         axes of plot
+    geographical_boundaries : list
+        Set georaphical boundaries for the plots
 
     Returns
     -------
@@ -1779,7 +1781,7 @@ def plot_background_grid(network, ax):
             geomap=True,
             projection=ccrs.PlateCarree(),
             color_geomap=True,
-            boundaries=[-2.5, 16, 46.8, 58],
+            boundaries=geographical_boundaries,
         )
     else:
         network.plot(
@@ -2323,6 +2325,7 @@ def plot_grid(
         "heat": 0.1,
         "battery": 10,
     },
+    geographical_boundaries=[-2.5, 16, 46.8, 58],
 ):
     """Function that plots etrago.network and results for lines and buses
 
@@ -2384,6 +2387,9 @@ def plot_grid(
         Set scaling values to be used per technology for the plots
         storage_expansion and h2_battery_storage_expansion. The default is
         {"H2": 50, "heat": 0.1, "battery": 10}
+    geographical_boundaries : list, optional
+        Set georaphical boundaries for the plots The default is
+        [-2.5, 16, 46.8, 58]
 
     Returns
     -------
@@ -2438,7 +2444,7 @@ def plot_grid(
             link_widths = link_colors.apply(lambda x: 10 if x != 0 else 0)
             line_widths = 10
         label = "line loading in p.u."
-        plot_background_grid(network, ax)
+        plot_background_grid(network, ax, geographical_boundaries)
         # Only active flow direction is displayed!
         flow = pd.Series(1, index=network.branches().index, dtype="float64")
         flow.iloc[flow.index.get_level_values("component") == "Line"] = (
@@ -2477,14 +2483,14 @@ def plot_grid(
         label = "v_nom in kV"
         line_colors = network.lines.v_nom
         link_colors = pd.Series(data=0, index=network.links.index)
-        plot_background_grid(network, ax)
+        plot_background_grid(network, ax, geographical_boundaries)
     elif line_colors == "expansion_abs":
         title = "Network expansion"
         label = "network expansion in GVA"
         all_network, line_colors, link_colors = calc_network_expansion(
             network, method="abs", ext_min=ext_min
         )
-        plot_background_grid(all_network, ax)
+        plot_background_grid(all_network, ax, geographical_boundaries)
 
         if ext_width is not False:
             line_widths = line_colors / ext_width
@@ -2506,7 +2512,7 @@ def plot_grid(
         all_network, line_colors, link_colors = calc_network_expansion(
             network, method="rel", ext_min=ext_min
         )
-        plot_background_grid(all_network, ax)
+        plot_background_grid(all_network, ax, geographical_boundaries)
         if ext_width is not False:
             line_widths = 0.5 + (line_colors / ext_width)
             link_widths = link_colors.apply(
@@ -2526,11 +2532,11 @@ def plot_grid(
         if ext_width is not False:
             line_widths = 0.5 + (line_colors / ext_width)
         link_colors = pd.Series(data=0, index=network.links.index)
-        plot_background_grid(network, ax)
+        plot_background_grid(network, ax, geographical_boundaries)
     elif line_colors == "dlr":
         title = "Dynamic line rating"
         label = "TWh above nominal capacity"
-        plot_background_grid(network, ax)
+        plot_background_grid(network, ax, geographical_boundaries)
 
         # calc min capacity per line in the given period: Since lines with
         # different original voltage level could be aggregated during the
@@ -2563,7 +2569,7 @@ def plot_grid(
         label = ""
         line_colors = "grey"
         link_colors = "grey"
-        plot_background_grid(network, ax)
+        plot_background_grid(network, ax, geographical_boundaries)
         link_widths = 0
         line_widths = 0
 
@@ -2714,7 +2720,7 @@ def plot_grid(
             geomap=False,
             projection=ccrs.PlateCarree(),
             color_geomap=True,
-            boundaries=[-2.5, 16, 46.8, 58],
+            boundaries=geographical_boundaries,
         )
     else:
         ll = network.plot(
@@ -2729,7 +2735,7 @@ def plot_grid(
             flow=flow,
             title=title,
             geomap=False,
-            boundaries=[-2.5, 16, 46.8, 58],
+            boundaries=geographical_boundaries,
         )
     l3 = None