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total area of all polygons from imported file #442

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May 15, 2024
Merged

total area of all polygons from imported file #442

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8 changes: 4 additions & 4 deletions flood_adapt/object_model/hazard/measure/green_infrastructure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -105,8 +105,8 @@ def calculate_polygon_area(gdf: gpd.GeoDataFrame, site: ISite) -> float:
crs = pyproj.CRS.from_string(site.sfincs.csname)
gdf = gdf.to_crs(crs)

# The GeoJSON file contains only one polygon:
polygon = gdf.geometry.iloc[0]
# Calculate the area of the polygon
area = polygon.area
# The GeoJSON file can contain multiple polygons
polygon = gdf.geometry
# Calculate the area of all polygons
area = polygon.area.sum()
return area
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