Is this using my browser's location to center the map? Because the starting place was close to my house, so I assume that is the case. This doesn't seem to be

Is this using my browser's location to center the map? Because the starting place was close to my house, so I assume that is the case. This doesn't seem to be taking trees into account. My neighborhood is filled with douglas firs that are 200+ feet tall and cast a lot of shade.