All posts by Ted Knaak and Paul DiGiacobbe

These high-quality 3D CAD models were extracted from Arsenal project point cloud data.

3D Overnight

Surveying the Arsenal Interlocking rail corridor in Philadelphia safely and efficiently with mobile lidar. An old section of the Pennsylvania railroad called the Arsenal Interlocking is now one of the busiest segments of rail for the Southeastern Pennsylvania Transit Authority (Septa) regional rail system. A high volume of trains operates in this territory due to the...