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  • importToMbtiles

    import sqlite3, sys, logging, time, os, json, zlib, re

    '''
    MapDBImporter-latest -f png -mName "World Light" -mDescription "A simple, light grey world map" -s "F:googlemapzoom" -d "F:googlemapmbtiles.sqlite"
    '''
    #mbtiles_file = r"F:\google\map\mbtiles.sqlite"
    mbtiles_file = r"D:\mbtiles.sqlite"
    conn = sqlite3.connect(mbtiles_file)
    cur = conn.cursor()

    '''
    cur.execute("create table tiles ( zoom_level integer,  tile_column integer,  tile_row integer,  tile_data blob); ")

    cur.execute("create table metadata(name text, value text);")

    cur.execute("CREATE TABLE grids (zoom_level integer, tile_column integer, tile_row integer, grid blob);")

    cur.execute("CREATE TABLE grid_data (zoom_level integer, tile_column integer, tile_row integer, key_name text, key_json text);")

    cur.execute("create unique index name on metadata (name);")

    cur.execute("create unique index tile_index on tiles(zoom_level, tile_column, tile_row);")
    '''

    '''
    name = "format"
    value = "png"
    cur.execute('insert into metadata (name, value) values (?, ?)', (name, value))

    name = "name"
    value = "world"
    cur.execute('insert into metadata (name, value) values (?, ?)', (name, value))

    name = "description"
    value = "Metadata Information"
    cur.execute('insert into metadata (name, value) values (?, ?)', (name, value))

    name = "version"
    value = "3"
    cur.execute('insert into metadata (name, value) values (?, ?)', (name, value))
    conn.commit()
    #
    '''

    #cur.execute('delete from tiles')


    def getDirs(path):
         return [name for name in os.listdir(path) if os.path.isdir(os.path.join(path, name))]


    directory_path = r"E:\google\en\map"
    count = 0
    for zoomDir in getDirs(directory_path):
         print("start level: " + zoomDir)
         z = int(zoomDir)
         for columnDir in getDirs(os.path.join(directory_path, zoomDir)):
             x = int(columnDir)
             for current_file in os.listdir(os.path.join(directory_path, zoomDir, columnDir)):
                 file_name, ext = current_file.split('.', 1)
                 y = int(file_name)
                 f = open(os.path.join(directory_path, zoomDir, columnDir, current_file), 'rb')
                 file_content = f.read()
                 f.close()
                 #
                 cur.execute("insert into tiles (zoom_level, tile_column, tile_row, tile_data) values(?, ?, ?, ?);", (z, x, y, sqlite3.Binary(file_content)))
                 count = count + 1
                 if count > 1500:
                     count = 0
                     conn.commit()
         conn.commit()
         conn.commit()
         print("finish level: " + zoomDir)

    conn.commit()
    conn.commit()
    conn.close()

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  • 原文地址:https://www.cnblogs.com/gispathfinder/p/9690859.html
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