regions to n.shapes: smooth out remaining issues

scripts/base_network.py

@@ -705,7 +705,7 @@ def _set_shapes(n, country_shapes, offshore_shapes):
     offshore_shapes = gpd.read_file(offshore_shapes).rename(columns={"name": "idx"})
     offshore_shapes["type"] = "offshore"
     all_shapes = pd.concat([country_shapes, offshore_shapes])
-    n.shapes = pd.concat([n.shapes, all_shapes])
+    n.shapes = pd.concat([n.shapes, all_shapes], ignore_index=True)
 
 
 def base_network(

scripts/build_bus_regions.py

@@ -176,7 +176,8 @@ if __name__ == "__main__":
     gdf = pd.concat(onshore_regions, ignore_index=True)
     gdf.to_file(snakemake.output.regions_onshore)
 
-    index = gdf.index.astype(int) + n.shapes.index.astype(int).max() + 1
+    offset = n.shapes.index.astype(int).max() + 1 if not n.shapes.empty else 0
+    index = gdf.index.astype(int) + offset
     n.madd(
         "Shape",
         index,
@@ -185,11 +186,13 @@ if __name__ == "__main__":
         component="Bus",
         type="onshore",
     )
+
     if offshore_regions:
         gdf = pd.concat(offshore_regions, ignore_index=True)
         gdf.to_file(snakemake.output.regions_offshore)
 
-        index = gdf.index.astype(int) + n.shapes.index.astype(int).max() + 1
+        offset = n.shapes.index.astype(int).max() + 1 if not n.shapes.empty else 0
+        index = gdf.index.astype(int) + offset
         n.madd(
             "Shape",
             index,

scripts/cluster_network.py

@@ -443,7 +443,8 @@ def cluster_regions(busmaps, which, input=None, output=None):
     n.mremove("Shape", remove)
 
     # add new clustered regions
-    index = regions_c.index.astype(int) + n.shapes.index.astype(int).max() + 1
+    offset = n.shapes.index.astype(int).max() + 1 if not n.shapes.empty else 0
+    index = regions_c.index.astype(int) + offset
     type = which.split("_")[1]
     n.madd(
         "Shape",

scripts/simplify_network.py

@@ -629,4 +629,5 @@ if __name__ == "__main__":
     busmap_s = reduce(lambda x, y: x.map(y), busmaps[1:], busmaps[0])
     busmap_s.to_csv(snakemake.output.busmap)
 
-    cluster_regions(busmaps, snakemake.input, snakemake.output)
+    for which in ["regions_onshore", "regions_offshore"]:
+        cluster_regions(busmaps, which, snakemake.input, snakemake.output)