plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
plotting building outlines via aerial imagery
tracing building outlines with aerial imagery
updating building outlines via aerial imagery
tracing some buildings via satellite imagery