The first new edition in 13 years incorporates recent changes on the subject of streamlining from advances in computers. Their ever increasing speed and storage capabilities have directly led to an entire new approach in photogrammetric mapping known as “Soft-Copy” photogrammetry. Digital Imaging systems, including those used in modern satellite programs, scanners for digitizing photographic images, and digital image processing techniques are new topics to be covered that are fundamental to soft copy photogrammetry.