导航软件的田间小路是实车测绘还是卫星图测绘呢

今天横跨两个乡镇之间，开的摩托车，导航地图驾驶模式的路是县道，这个我会走

然后想走个捷径，就开的骑行模式

卧槽，走的都是田间小道
[img]https://img.nga.178.com/attachments/mon_202007/02/-7Q5-8jr5ZfT3cSg0-sg.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202007/02/-7Q5-4zqgXgZ4cT3cSzk-qo.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202007/02/-7Q5-5tx4XfZ45T3cSzk-qo.jpg.medium.jpg[/img]

这种小道都是怎么测绘出来的呢


[img]https://img.nga.178.com/attachments/mon_202007/02/-7Q5-g46vXhZ4mT3cSzk-qo.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202007/02/-7Q5-5anvXjZ5fT3cSzk-qo.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202007/02/-7Q5-cud1XjZ56T3cSzk-qo.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202007/02/-7Q5-ix0zXmZ5zT3cSzk-qo.jpg.medium.jpg[/img]