【python】geoJson转换Shapefile

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @File
: C.py
# @Author: huifer
# @Date
: 2018/5/22 0022
import gdal
import osr
import ogr
a = {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
3753081.9140625,
66.79190947341796
],
[
3753078.3984375,
47.040182144806664
],
[
3753120.9375,
63.54855223203644
],
[
3753086.8359375,
71.85622888185527
],
[
3753093.515625,
64.62387720204688
],
[
3753081.9140625,
66.79190947341796
]
]
]
}
},
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "LineString",
"coordinates": [
[
3753069.43359375,
71.18775391813158
],
[
3753100.546875,
43.45291889355465
]
]
}
},
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "LineString",
"coordinates": [
[
3753112.32421875,
53.54030739150022
],
[
3753109.5117187495,
70.55417853776078
],
[
3753080.68359375,
68.52823492039876
]
]
}
},
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [
3753069.08203125,
62.59334083012024
]
}
},
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [
3753102.12890625,
55.57834467218206
]
}
}
]
}
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(a):
gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES")
gdal.SetConfigOption("SHAPE_ENCODING", "GBK")
driver = ogr.GetDriverByName("ESRI Shapefile")
# Polygon
polygon_data_source = driver.CreateDataSource("testPolygon.shp")
polygon_layer = polygon_data_source.CreateLayer("testPolygon", geom_type=ogr.wkbPolygon)
field_testfield = ogr.FieldDefn("polygon", ogr.OFTString)
field_testfield.SetWidth(254)
polygon_layer.CreateField(field_testfield)
# Point
point_data_source = driver.CreateDataSource("testPoint.shp")
point_layer = polygon_data_source.CreateLayer("testPoint", geom_type=ogr.wkbPoint)
field_testfield = ogr.FieldDefn("point", ogr.OFTString)
field_testfield.SetWidth(254)
point_layer.CreateField(field_testfield)
# line
polyline_data_source = driver.CreateDataSource("testLine.shp")
polyline_layer = polygon_data_source.CreateLayer("testLine", geom_type=ogr.wkbLineString)
field_testfield = ogr.FieldDefn("polyline", ogr.OFTString)
field_testfield.SetWidth(254)
polyline_layer.CreateField(field_testfield)
for i in a['features']:
geo = i.get("geometry")
geo_type = geo.get('type')
if geo_type == 'Polygon':
polygonCOOR = geo.get('coordinates')
poly = create_polygon(polygonCOOR)
if poly:
feature = ogr.Feature(polygon_layer.GetLayerDefn())
feature.SetField('polygon', 'test')
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', "test")
gjson = ogr.CreateGeometryFromJson(str(geo))
if gjson:
feature.SetGeometry(gjson)
polygon_layer.CreateFeature(feature)
feature = None
elif geo_type == "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":
feature = ogr.Feature(polyline_layer.GetLayerDefn())
feature.SetField('polyline', "point")
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')
if __name__ == '__main__':
create_shp_with_geoJson(a)