fix antimeridian plotting of SWOT tracks

plot_swath.py

import geopandas as gpd
import shapely
import antimeridian

def fix_antimeridian(gdf):
    def fix_geom(geom):
        if geom.geom_type == 'Polygon':
            return antimeridian.fix_polygon(geom)
        elif geom.geom_type == 'MultiPolygon':
            return antimeridian.fix_multi_polygon(geom)
        return geom    
    result = gdf.copy()
    result['geometry'] = result['geometry'].apply(fix_geom)
    return result

df = dataset.read(0).read(0)
df["geometry"] = df["istac:spatial"].apply(shapely.from_wkb)
gdf = gpd.GeoDataFrame(df, geometry="geometry", crs="EPSG:4326")
gdf = fix_antimeridian(gdf)
gdf.plot()