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"""The central module containing code to create CH4 and H2 voronoi polygons |
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""" |
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from geoalchemy2.types import Geometry |
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from sqlalchemy import BigInteger, Column, Text |
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from sqlalchemy.ext.declarative import declarative_base |
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from egon.data import db |
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from egon.data.datasets import Dataset |
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from egon.data.datasets.generate_voronoi import get_voronoi_geodataframe |
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class GasAreaseGon2035(Dataset): |
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def __init__(self, dependencies): |
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super().__init__( |
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name="GasAreaseGon2035", |
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version="0.0.2", |
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dependencies=dependencies, |
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tasks=(create_gas_voronoi_table, voronoi_egon2035), |
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) |
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class GasAreaseGon100RE(Dataset): |
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def __init__(self, dependencies): |
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super().__init__( |
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name="GasAreaseGon100RE", |
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version="0.0.1", |
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dependencies=dependencies, |
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tasks=(voronoi_egon100RE), |
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) |
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Base = declarative_base() |
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class EgonPfHvGasVoronoi(Base): |
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__tablename__ = "egon_gas_voronoi" |
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__table_args__ = {"schema": "grid"} |
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scn_name = Column(Text, primary_key=True, nullable=False) |
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bus_id = Column(BigInteger, primary_key=True, nullable=False) |
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carrier = Column(Text) |
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geom = Column(Geometry("GEOMETRY", 4326)) |
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def create_gas_voronoi_table(): |
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engine = db.engine() |
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EgonPfHvGasVoronoi.__table__.drop(bind=engine, checkfirst=True) |
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EgonPfHvGasVoronoi.__table__.create(bind=engine, checkfirst=True) |
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def voronoi_egon2035(): |
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""" |
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Create voronoi polygons for all gas carriers in eGon2035 scenario |
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""" |
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for carrier in ["CH4", "H2_grid", "H2_saltcavern"]: |
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create_voronoi("eGon2035", carrier) |
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def voronoi_egon100RE(): |
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""" |
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Create voronoi polygons for all gas carriers in eGon100RE scenario |
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""" |
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for carrier in ["CH4", "H2_grid", "H2_saltcavern"]: |
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create_voronoi("eGon100RE", carrier) |
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def create_voronoi(scn_name, carrier): |
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""" |
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Create voronoi polygons for specified carrier in specified scenario. |
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Parameters |
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---------- |
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scn_name : str |
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Name of the scenario |
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carrier : str |
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Name of the carrier |
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""" |
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boundary = db.select_geodataframe( |
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f""" |
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SELECT id, geometry |
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FROM boundaries.vg250_sta_union; |
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""", |
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geom_col="geometry", |
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).to_crs(epsg=4326) |
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engine = db.engine() |
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db.execute_sql( |
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f""" |
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DELETE FROM grid.egon_gas_voronoi |
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WHERE "carrier" = '{carrier}' and "scn_name" = '{scn_name}'; |
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""" |
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) |
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buses = db.select_geodataframe( |
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f""" |
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SELECT bus_id, geom |
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FROM grid.egon_etrago_bus |
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WHERE scn_name = '{scn_name}' |
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AND country = 'DE' |
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AND carrier = '{carrier}'; |
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""", |
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).to_crs(epsg=4326) |
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if len(buses) == 0: |
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return |
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buses["x"] = buses.geometry.x |
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buses["y"] = buses.geometry.y |
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# generate voronois |
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gdf = get_voronoi_geodataframe(buses, boundary.geometry.iloc[0]) |
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# set scn_name |
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gdf["scn_name"] = scn_name |
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gdf["carrier"] = carrier |
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gdf.rename_geometry("geom", inplace=True) |
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gdf.drop(columns=["id"], inplace=True) |
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# Insert data to db |
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gdf.set_crs(epsg=4326).to_postgis( |
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f"egon_gas_voronoi", |
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engine, |
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schema="grid", |
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index=False, |
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if_exists="append", |
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dtype={"geom": Geometry}, |
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) |
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openego /
eGon-data
