import json
import numpy as np

# 中心点的坐标以及每个中心的点的数目
map_center = (112.945311, 28.178169)
points = []
all_data = []

count_max = 1000

num_points = 100
lng_center, lat_center = map_center
for _ in range(num_points):
    # 正态分布生成
    lng = np.random.normal(lng_center, 0.05)
    lat = np.random.normal(lat_center, 0.05)
    
    up = np.random.randint(0, 2)
    if (up == 1):
        count = np.random.randint(1, 200)
    else:
        count = np.random.randint(800, 1000)
    points.append({'lng': lng, 'lat': lat, 'count': count, 'up': up})

for time in range(24):
    data = []
    for point in points:
        count = np.random.randint(1, 100)
        if (point['up'] == 0):
            count = -count
        point['count'] = point['count'] + count
        if (point['count'] < 0):
            point['count'] = 0
        elif (point['count'] > 1000):
            point['count'] = 1000
        data.append({'lng': point['lng'], 'lat': point['lat'], 'count': point['count']})
    all_data.append(data)

with open('data.json', 'w') as f:
    json.dump(all_data, f)