合并多个 KML 文件

import os
import xml.etree.ElementTree as ET

def merge_kml_files(input_dir, output_file):
    root = ET.Element('kml')
    ns = {'kml': 'http://www.opengis.net/kml/2.2'}
    ET.register_namespace('', ns['kml'])
    doc = ET.SubElement(root, 'Document')

    for filename in os.listdir(input_dir):
        if filename.endswith('.kml'):
            filepath = os.path.join(input_dir, filename)
            tree = ET.parse(filepath)
            for placemark in tree.findall('.//{http://www.opengis.net/kml/2.2}Placemark'):
                doc.append(placemark)

    tree = ET.ElementTree(root)
    tree.write(output_file, encoding='utf-8', xml_declaration=True)

input_dir = 'path/to/input/directory'
output_file = 'path/to/output/file.kml'
merge_kml_files(input_dir, output_file)