Mendapatkan batas poligon Kota di JSON dari Google Maps API?


51

Saat mencari Google Maps untuk sebuah kota, batas administratif kota ditampilkan.

masukkan deskripsi gambar di sini

Apakah ada cara untuk mendapatkan batas poligon Kota dalam format JSON menggunakan google maps api?



@ArMoraer pos terkait Anda buntu
abbood

Format untuk Google map adalah GeoJson. Ada API untuk query dengan kode pos, kota dan negara bagian, 👉 www.boundaries-io.com
Jeryl Cook

Jawaban:


48

Anda bisa mendapatkan koordinat poligon di json untuk digunakan dengan googlemaps menggunakan openstreetmap. Pergi ke http://nominatim.openstreetmap.org/ cari tempat seperti "Partido de Ituzaingó"

klik pada "detail"

Cari ID OSM dan salin (kontrol + c), contoh: 2018776

rekatkan ID di http://polygons.openstreetmap.fr/index.py dan unduh poligon


polygons.openstreetmap.fr/index.py tidak berfungsi lagi. Anda dapat menggunakan global.mapit.mysociety.org
Shai M.

1
global.mapit.mysociety.org tidak berfungsi untuk Baghdad (tetapi pos aslinya melakukannya): pertama saya mendapatkannya di sini: nominatim.openstreetmap.org/details.php?place_id=179724619 , kemudian menemukan id relasinya adalah 5638803, ketika Saya menjalankan global.mapit.mysociety.org/code/osm_rel/5638803 saya dapatkan{"code": 404, "error": "No areas were found that matched code osm_rel = 5638803."}
abbood


4

Tidak, tidak ada cara untuk mencuri data Google. Mungkin Anda bisa melihat OpenStreetMap yang dirancang untuk diunduh orang.


Punya contoh, bagaimana mengekstraksi batas poligon di OpenStreetMap? Jika saya mengekstrak ini, dapatkah menggambar poligon yang diekstrak di google maps?
Luis Tiago

Silakan cari situs ini dan ajukan pertanyaan baru jika Anda tidak dapat menemukan jawabannya
Ian Turton

Siapa yang akan mempertimbangkan pencurian ini? Data ini diambil dari Sensus AS.
ihodonald

kemudian mengambilnya dari situs sensus AS, meskipun saya ragu mereka memiliki banyak batas kota Inggris
Ian Turton

4

Saya telah menemukan solusi untuk masalah ini.

  1. Kunjungi www.gadm.org/country
  2. Pilih negara Anda dan pilih format file Google Earth .kmz
  3. Pilih level yang Anda butuhkan (level 3 adalah yang terdalam dengan semua kota kecil / kota kecil)
  4. Unduh file (bisa besar)
  5. Buka zip file .kmz (Anda akan menemukan .kml yang merupakan XML)
  6. Buka dengan Sublime atau notepad ++ (file mungkin akan terlalu besar untuk editor teks lainnya)
  7. Cari berdasarkan nama kota dan salin data di bawah (Pencarian dapat memakan waktu 1 hingga 4 detik dengan file besar)

Anda bisa menggunakan lat, data panjang dan menguraikannya ke dalam array. Solusi ini bekerja dengan baik, tetapi kualitas jalur terkadang kasar.



-1

Dapatkan koordinat batas lokasi yang tepat seperti pencarian google dalam format json.

Tampilan Peta: http://theopenmap.herokuapp.com/

POST: http://theopenmap.herokuapp.com/api/v2_coordinates/

{"location": "enter your location"}

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Savy Chauhan
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