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扣丁學(xué)堂Python培訓(xùn)簡述Python中shapefile如何轉(zhuǎn)換geojson

2019-03-01 13:34:44 1861瀏覽

本篇文章扣丁學(xué)堂Python培訓(xùn)小編給讀者們分享一下Python中shapefile如何轉(zhuǎn)換geojson的，對Python開發(fā)技術(shù)感興趣或者是想要參加Python培訓(xùn)學(xué)習(xí)Python開發(fā)技術(shù)的小伙伴下面就隨小面來看一下Python中shapefile轉(zhuǎn)換geojson的示例吧。

shapefile轉(zhuǎn)換geojson

import shapefile
import codecs
from json import dumps
# read the shapefile
def shp2geo(file="line出產(chǎn).shp"):
  reader = shapefile.Reader(file)
  fields = reader.fields[1:]
  field_names = [field[0] for field in fields]
  buffer = []
  for sr in reader.shapeRecords():
    record = sr.record
    record = [r.decode('gb2312', 'ignore') if isinstance(r, bytes)
         else r for r in record]
    atr = dict(zip(field_names, record))
    geom = sr.shape.__geo_interface__
    buffer.append(dict(type="Feature", geometry=geom, properties=atr))
    # write the GeoJSON file
  geojson = codecs.open(file.split('.')[0] + "-geo.json", "w", encoding="gb2312")
  geojson.write(dumps({"type": "FeatureCollection", "features": buffer}, indent=2) + "\n")
  geojson.close()
if __name__ == '__main__':
  # import os
  # for z,x,c in os.walk('.'):
  #   for zz in c:
  #     if zz.endswith(".shp"):
  #       shp2geo(zz)
  # shp2geo(file='D.shp')
  shp2geo(file='ttttttttttt.shp')

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