"""
將帶有點座標的 csv 轉 geojson, 不帶其他屬性
"""import csv
csv_file = open('e:/test.csv', encoding='gbk')
csv_reader = csv.reader(csv_file)
geojson = ',"properties":{},"type":"feature"},' % (float(row[0]),float(row[1]))
geojson = geojson[:-1] + ']}'
links_file = open('test.geojson', 'w')
links_file.write(geojson)
"""
將帶有點座標的 csv 轉 geojson, 帶其他屬性
"""import csv
import json
csv_file = open('test.csv', encoding='utf8')
csv_reader = csv.reader(csv_file)
geojson = '
for indexj, j in enumerate(row):
if indexj == lon_index or indexj == lat_index:
continue
property_dict[header[indexj]] = j
geojson += ',"properties":%s,"type":"feature"},' \
% (float(row[lon_index]), float(row[lat_index]), json.dumps(property_dict, ensure_ascii=false))
geojson = geojson[:-1] + ']}'
links_file = open('test.geojson', 'w', encoding='utf8')
links_file.write(geojson)
"""
geojson轉geojson, 並加上乙個隨機數
"""import json
import random
file_object = open("d:/random_points.geojson", "r+", encoding='utf8')
file_data_str = file_object.read()
file_object.close()
origin_data = json.loads(file_data_str)
geojson = ',"properties":%s,"type":"feature"},' % (
json.dumps(i["geometry"]["coordinates"]), json.dumps(i["properties"], ensure_ascii=false))
geojson = geojson[:-1] + ']}'
links_file = open('d:/random_points_value.geojson', 'w', encoding='utf8')
links_file.write(geojson)
"""
將 csv 轉為 json
"""import csv
import json
csv_file = open('f:/test.csv', encoding='utf8')
csv_reader = csv.reader(csv_file)
list_data =
header =
for index, row in enumerate(csv_reader):
if index == 0:
header = row
else:
one_json = {}
for index_j, j in enumerate(row):
one_json[header[index_j]] = row[index_j]
json_data =
json_file = open('f:/test.json', 'w', encoding='utf8')
json_file.write(json.dumps(json_data, ensure_ascii=false))
"""
讀取含有點座標的json檔案, 並轉為geojson
"""import json
file_object = open("d:/收費員位置高德.json", "r+", encoding='utf8')
file_data_str = file_object.read()
file_object.close()
origin_data = json.loads(file_data_str)
geojson = ',"properties":{},"type":"feature"},' % (
i["longitude"], i["latitude"])
geojson = geojson[:-1] + ']}'
links_file = open('d:/收費員位置高德.geojson', 'w', encoding='utf8')
links_file.write(geojson)
"""
逐行讀取含有點座標的json檔案, 並逐行寫入geojson中
"""import json
json_str = ""
for line in open("e:/income_province_evsmc.json"):
json_str += line
json_dict = json.loads(json_str)
file_writer = open("e:/points.geojson", "a+")
geojson = ',"properties": {}}' % coords)
if index != len(json_dict["result"]) - 1:
file_writer.write(',')
file_writer.write(']}')
"""
讀取csv,將換行符處理後再插入另乙個csv
"""import csv
csv_file = open("test.csv", encoding='utf-8')
csv_reader_lines = csv.reader(csv_file)
file_object = open("abc.csv", 'w', newline='', encoding='utf-8')
writer = csv.writer(file_object)
for index, i in enumerate(csv_reader_lines):
i[4] = i[4].replace(" ", "").replace("\r", "").replace("\n", "")
writer.writerow(i)
file_object.close()
"""
去除txt檔案中的各種轉義符
"""read_object = open("polygon.geojson", "r+", encoding="utf8")
file_data_str = read_object.read()
read_object.close()
data_str = file_data_str.replace("\n", "").replace("\r", "").replace(" ", "").replace(" ", "")
txt_file = open("polygon_format.geojson", 'w', encoding="utf8")
txt_file.write(data_str)
txt_file.close()
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