the viewshed

when i moved to the 13th floor in 2005, about half the western horizon was visible, including kennesaw mountain --- the mountain has disappeared and now less than a quarter of that horizon is visible --- but there's still enough to track the sunset across the horizon, and this view to the northwest still catches some of my favorites: the mosque, the waterworks, and traffic along howell mill road, which follows the track of an ancient indian trail between the reservoirs