GIS Software

The PhillyHistory.org map-based search page emphasizes the geographic information available for many of the images.The PhillyHistory.org map-based search page emphasizes the geographic information available for many of the images.

Seeing Philadelphia’s Past in Augmented Reality

Guest article by Deborah Boyer and Andrew Thompson. For over 140 years, the City of Philadelphia has been taking pictures of itself.  Though local pride is never in short supply in Philly, far more practical reasons like risk management and documentation of public works projects have motivated decades of city-employed […]