本文修改自：【python】geoJson转换Shapefile
gdal，ogr实现geojson转shpfile
import json
import gdal
from osgeo import ogr
def create_polygon(coords):
ring = ogr.Geometry(ogr.wkbLinearRing)
for coord in coords:
for xy in coord:
ring.AddPoint(xy[0], xy[1])
poly = ogr.Geometry(ogr.wkbPolygon)
poly.AddGeometry(ring)
return poly.ExportToWkt()
def create_shp_with_geoJson(json, shpFile):
gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES")
gdal.SetConfigOption("SHAPE_ENCODING", "GBK")
driver = ogr.GetDriverByName("ESRI Shapefile")
polygon_data_source = driver.CreateDataSource(shpFile)
polygon_layer = polygon_data_source.CreateLayer("Vector", geom_type=ogr.wkbPolygon)
field_testfield = ogr.FieldDefn("polygon", ogr.OFTString)
field_testfield.SetWidth(254)
polygon_layer.CreateField(field_testfield)
'''
polygon_data_source = driver.CreateDataSource(shpFile)
point_layer = polygon_data_source.CreateLayer("Point", geom_type=ogr.wkbPoint)
field_testfield = ogr.FieldDefn("point", ogr.OFTString)
field_testfield.SetWidth(254)
point_layer.CreateField(field_testfield)
polygon_data_source = driver.CreateDataSource(shpFile)
polyline_layer = polygon_data_source.CreateLayer("Line", geom_type=ogr.wkbLineString)
field_testfield = ogr.FieldDefn("polyline", ogr.OFTString)
field_testfield.SetWidth(254)
polyline_layer.CreateField(field_testfield)
'''
for i in json['features']:
geo = i.get("geometry")
geo_type = geo.get('type')
if geo_type == 'Polygon':
# Polygon
polygonCOOR = geo.get('coordinates')
poly = create_polygon(polygonCOOR)
if poly:
feature = ogr.Feature(polygon_layer.GetLayerDefn())
feature.SetField('polygon', 'polygon')
area = ogr.CreateGeometryFromWkt(poly)
feature.SetGeometry(area)
polygon_layer.CreateFeature(feature)
feature = None
elif geo_type == "MultiPolygon":
# 简单操作
feature = ogr.Feature(polygon_layer.GetLayerDefn())
feature.SetField('polygon', "polygon")
gjson = ogr.CreateGeometryFromJson(str(geo))
if gjson:
feature.SetGeometry(gjson)
polygon_layer.CreateFeature(feature)
feature = None
'''
elif geo_type == "Point":
# Point
feature = ogr.Feature(point_layer.GetLayerDefn())
feature.SetField('point', "point")
point_geo = ogr.CreateGeometryFromJson(str(geo))
if point_geo:
feature.SetGeometry(point_geo)
point_layer.CreateFeature(feature)
feature = None
pass
elif geo_type == "LineString":
# line
feature = ogr.Feature(polyline_layer.GetLayerDefn())
feature.SetField('polyline', "polyline")
line_geo = ogr.CreateGeometryFromJson(str(geo))
if line_geo:
feature.SetGeometry(line_geo)
polyline_layer.CreateFeature(feature)
feature = None
pass
else:
print('Could not discern geometry')
'''
#
# geojson to shp
fg = 'input.geojson'
fs = 'out.shp'
with open(fg, 'r') as ff:
temp = json.loads(ff.read())
create_shp_with_geoJson(temp, fs)
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