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gas_network: recalculate lengths after clustering

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This commit is contained in:
Fabian Neumann 2021-11-13 17:30:54 +01:00
parent 8c5dacbcc8
commit d9902ad978
1 changed files with 15 additions and 5 deletions
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18
scripts/cluster_gas_network.py
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@ -7,6 +7,7 @@ import pandas as pd
import geopandas as gpd import geopandas as gpd
from shapely import wkt from shapely import wkt
from pypsa.geo import haversine_pts
def concat_gdf(gdf_list, crs='EPSG:4326'): def concat_gdf(gdf_list, crs='EPSG:4326'):
@ -25,7 +26,7 @@ def load_bus_regions(onshore_path, offshore_path):
return bus_regions return bus_regions
def build_clustered_gas_network(df, bus_regions): def build_clustered_gas_network(df, bus_regions, length_factor=1.25):
for i in [0,1]: for i in [0,1]:
@ -36,15 +37,24 @@ def build_clustered_gas_network(df, bus_regions):
df[f"bus{i}"] = bus_mapping df[f"bus{i}"] = bus_mapping
df.drop(["point0", "point1"], axis=1, inplace=True) df[f"point{i}"] = df[f"bus{i}"].map(bus_regions.centroid)
# drop pipes where not both buses are inside regions # drop pipes where not both buses are inside regions
df = df.loc[~df.bus0.isna() & ~df.bus1.isna()] df = df.loc[~df.bus0.isna() & ~df.bus1.isna()]
# drop pipes within one region # drop pipes within the same region
df = df.loc[df.bus1 != df.bus0] df = df.loc[df.bus1 != df.bus0]
# create new numbered index # recalculate lengths as center to center * length factor
df["length"] = df.apply(
lambda p: length_factor * haversine_pts(
[p.point0.x, p.point0.y],
[p.point1.x, p.point1.y]
), axis=1
)
# tidy and create new numbered index
df.drop(["point0", "point1"], axis=1, inplace=True)
df.reset_index(drop=True, inplace=True) df.reset_index(drop=True, inplace=True)
return df return df