pip install geopandas
pip install fiona
pip install pygeoif
python
import geopandas as gpd
data = gpd.read_file('your_geojson_file.geojson')
print(data.head())
print(data.dtypes)
print(data.crs)
selected_data = data[data['something'] == 'your_condition']
selected_data.to_file('selected_data.geojson', driver='GeoJSON')
python
import fiona
with fiona.open('your_geojson_file.geojson', 'r') as src:
for feature in src:
geometry = feature['geometry']
properties = feature['properties']
# ...
schema = {
'geometry': 'Point',
'properties': {
'name': 'str',
'age': 'int',
}
}
with fiona.open('new_geojson_file.geojson', 'w', 'GeoJSON', schema) as dst:
dst.write({
'geometry': {
'type': 'Point',
'coordinates': [x, y]
},
'properties': {
'name': 'John',
'age': 25
}
})
python
from pygeoif import geometry
point = geometry.Point(x, y)
line = geometry.LineString([(x1, y1), (x2, y2), (x3, y3)])
polygon = geometry.Polygon([(x1, y1), (x2, y2), (x3, y3)])
print(point.coords)
print(line.intersects(polygon))
buffered_polygon = polygon.buffer(0.1)
