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jterstriep/csv_gdf.py

Created August 29, 2019 21:40
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Convert CSV with Lat Long to GeoDataFrame
Raw
csv_gdf.py
## https://gis.stackexchange.com/questions/174159/convert-a-pandas-dataframe-to-a-geodataframe
from geopandas import GeoDataFrame
from shapely.geometry import Point
geometry = [Point(xy) for xy in zip(df.Lon, df.Lat)]
df = df.drop(['Lon', 'Lat'], axis=1)
crs = {'init': 'epsg:4326'}
gdf = GeoDataFrame(df, crs=crs, geometry=geometry)
Raw
csv_wkt_gdf.py
## Adds geometry from WKT
import geopandas as gpd
import shapely.wkt
geometry = df['wktcolumn'].map(shapely.wkt.loads)
df = df.drop('wktcolumn', axis=1)
crs = {'init': 'epsg:4326'}
gdf = gpd.GeoDataFrame(df, crs=crs, geometry=geometry)
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