Saya memiliki file Geojson dengan beberapa poligon yang berdekatan dan saya ingin menggabungkannya menjadi satu. Saya tahu ini adalah pertanyaan berulang tetapi saya tidak dapat menemukan informasi untuk poligon dengan koordinat lintang dan bujur seperti di geojson ini:
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Apakah ada cara untuk membangun master poligon dengan bentuk eksternal semua poligon?
mapshaper -i your_data.geojson --dissolve
Sangat mudah dilakukan dengan QGis.
"Dissolve" adalah nama operasi yang Anda inginkan. Ini mungkin juga memberi Anda petunjuk lebih lanjut untuk googling.
sumber
Jika seseorang ingin melakukan secara algoritmik, berikut ini adalah cuplikan python:
yang mengembalikan output berikut untuk input di atas
sumber