|
1
|
|
|
"""The central module containing all code to create tables for osm landuse |
|
2
|
|
|
extraction. |
|
3
|
|
|
""" |
|
4
|
|
|
|
|
5
|
|
|
import os |
|
6
|
|
|
|
|
7
|
|
|
from airflow.operators.postgres_operator import PostgresOperator |
|
8
|
|
|
from geoalchemy2.types import Geometry |
|
9
|
|
|
from sqlalchemy import Column, Float, Integer, String |
|
10
|
|
|
from sqlalchemy.dialects.postgresql import HSTORE |
|
11
|
|
|
from sqlalchemy.ext.declarative import declarative_base |
|
12
|
|
|
import importlib_resources as resources |
|
13
|
|
|
|
|
14
|
|
|
from egon.data import db |
|
15
|
|
|
from egon.data.datasets import Dataset |
|
16
|
|
|
import egon.data.config |
|
17
|
|
|
|
|
18
|
|
|
# will be later imported from another file ### |
|
19
|
|
|
Base = declarative_base() |
|
20
|
|
|
|
|
21
|
|
|
|
|
22
|
|
|
class OsmPolygonUrban(Base): |
|
23
|
|
|
__tablename__ = "osm_landuse" |
|
24
|
|
|
__table_args__ = {"schema": "openstreetmap"} |
|
25
|
|
|
id = Column(Integer, primary_key=True) |
|
26
|
|
|
osm_id = Column(Integer) |
|
27
|
|
|
name = Column(String) |
|
28
|
|
|
sector = Column(Integer) |
|
29
|
|
|
sector_name = Column(String(20)) |
|
30
|
|
|
area_ha = Column(Float) |
|
31
|
|
|
tags = Column(HSTORE) |
|
32
|
|
|
vg250 = Column(String(10)) |
|
33
|
|
|
geom = Column(Geometry("MultiPolygon", 3035)) |
|
34
|
|
|
|
|
35
|
|
|
|
|
36
|
|
|
class OsmLanduse(Dataset): |
|
37
|
|
|
def __init__(self, dependencies): |
|
38
|
|
|
super().__init__( |
|
39
|
|
|
name="OsmLanduse", |
|
40
|
|
|
version="0.0.0", |
|
41
|
|
|
dependencies=dependencies, |
|
42
|
|
|
tasks=( |
|
43
|
|
|
create_landuse_table, |
|
44
|
|
|
PostgresOperator( |
|
45
|
|
|
task_id="osm_landuse_extraction", |
|
46
|
|
|
sql=resources.read_text( |
|
47
|
|
|
__name__, "osm_landuse_extraction.sql" |
|
48
|
|
|
), |
|
49
|
|
|
postgres_conn_id="egon_data", |
|
50
|
|
|
autocommit=True, |
|
51
|
|
|
), |
|
52
|
|
|
), |
|
53
|
|
|
) |
|
54
|
|
|
|
|
55
|
|
|
|
|
56
|
|
|
class LoadArea(Dataset): |
|
57
|
|
|
def __init__(self, dependencies): |
|
58
|
|
|
super().__init__( |
|
59
|
|
|
name="LoadArea", |
|
60
|
|
|
version="0.0.1", |
|
61
|
|
|
dependencies=dependencies, |
|
62
|
|
|
tasks=( |
|
63
|
|
|
osm_landuse_melt, |
|
64
|
|
|
census_cells_melt, |
|
65
|
|
|
osm_landuse_census_cells_melt, |
|
66
|
|
|
loadareas_create, |
|
67
|
|
|
loadareas_load_data, |
|
68
|
|
|
drop_temp_tables, |
|
69
|
|
|
), |
|
70
|
|
|
) |
|
71
|
|
|
|
|
72
|
|
|
|
|
73
|
|
|
def create_landuse_table(): |
|
74
|
|
|
"""Create tables for landuse data |
|
75
|
|
|
Returns |
|
76
|
|
|
------- |
|
77
|
|
|
None. |
|
78
|
|
|
""" |
|
79
|
|
|
cfg = egon.data.config.datasets()["landuse"]["target"] |
|
80
|
|
|
|
|
81
|
|
|
# Create schema if not exists |
|
82
|
|
|
db.execute_sql(f"""CREATE SCHEMA IF NOT EXISTS {cfg['schema']};""") |
|
83
|
|
|
|
|
84
|
|
|
# Drop tables |
|
85
|
|
|
db.execute_sql( |
|
86
|
|
|
f"""DROP TABLE IF EXISTS |
|
87
|
|
|
{cfg['schema']}.{cfg['table']} CASCADE;""" |
|
88
|
|
|
) |
|
89
|
|
|
|
|
90
|
|
|
engine = db.engine() |
|
91
|
|
|
OsmPolygonUrban.__table__.create(bind=engine, checkfirst=True) |
|
92
|
|
|
|
|
93
|
|
|
|
|
94
|
|
|
def execute_sql_script(script): |
|
95
|
|
|
"""Execute SQL script |
|
96
|
|
|
|
|
97
|
|
|
Parameters |
|
98
|
|
|
---------- |
|
99
|
|
|
script : str |
|
100
|
|
|
Filename of script |
|
101
|
|
|
""" |
|
102
|
|
|
db.execute_sql_script(os.path.join(os.path.dirname(__file__), script)) |
|
103
|
|
|
|
|
104
|
|
|
|
|
105
|
|
|
def osm_landuse_melt(): |
|
106
|
|
|
"""Melt all OSM landuse areas by: buffer, union, unbuffer""" |
|
107
|
|
|
print("Melting OSM landuse areas from openstreetmap.osm_landuse...") |
|
108
|
|
|
execute_sql_script("osm_landuse_melt.sql") |
|
109
|
|
|
|
|
110
|
|
|
|
|
111
|
|
|
def census_cells_melt(): |
|
112
|
|
|
"""Melt all census cells: buffer, union, unbuffer""" |
|
113
|
|
|
print( |
|
114
|
|
|
"Melting census cells from " |
|
115
|
|
|
"society.destatis_zensus_population_per_ha_inside_germany..." |
|
116
|
|
|
) |
|
117
|
|
|
execute_sql_script("census_cells_melt.sql") |
|
118
|
|
|
|
|
119
|
|
|
|
|
120
|
|
|
def osm_landuse_census_cells_melt(): |
|
121
|
|
|
"""Melt OSM landuse areas and census cells""" |
|
122
|
|
|
print( |
|
123
|
|
|
"Melting OSM landuse areas from openstreetmap.osm_landuse_melted and " |
|
124
|
|
|
"census cells from " |
|
125
|
|
|
"society.egon_destatis_zensus_cells_melted_cluster..." |
|
126
|
|
|
) |
|
127
|
|
|
execute_sql_script("osm_landuse_census_cells_melt.sql") |
|
128
|
|
|
|
|
129
|
|
|
|
|
130
|
|
|
def loadareas_create(): |
|
131
|
|
|
"""Create load areas from merged OSM landuse and census cells: |
|
132
|
|
|
|
|
133
|
|
|
* Cut Loadarea with MV Griddistrict |
|
134
|
|
|
* Identify and exclude Loadarea smaller than 100m². |
|
135
|
|
|
* Generate Centre of Loadareas with Centroid and PointOnSurface. |
|
136
|
|
|
* Calculate population from Census 2011. |
|
137
|
|
|
* Cut all 4 OSM sectors with MV Griddistricts. |
|
138
|
|
|
* Calculate statistics like NUTS and AGS code. |
|
139
|
|
|
* Check for Loadareas without AGS code. |
|
140
|
|
|
""" |
|
141
|
|
|
print("Create initial load areas and add some sector stats...") |
|
142
|
|
|
execute_sql_script("loadareas_create.sql") |
|
143
|
|
|
|
|
144
|
|
|
|
|
145
|
|
|
def loadareas_load_data(): |
|
146
|
|
|
"""Adds consumption and peak load per sector to load areas""" |
|
147
|
|
|
print("Add consumption and peak loads to load areas...") |
|
148
|
|
|
execute_sql_script("loadareas_load_data.sql") |
|
149
|
|
|
|
|
150
|
|
|
|
|
151
|
|
|
def drop_temp_tables(): |
|
152
|
|
|
print("Dropping temp tables...") |
|
153
|
|
|
execute_sql_script("drop_temp_tables.sql") |
|
154
|
|
|
|
openego /
eGon-data
