Philadelphia


GIS Data

WhatWasThere – Augmented Reality

WhatWasThere – Augmented Reality

WhatWasThere is an augmented reality application that features a growing online database of geolocated historical photos.  You can search for photos nearby a location or upload and geotag your own historical photos.  The database is in its early stages, there are over 10,000 photos covering the United States and a few […]

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 […]

GIS Learning

Every Tree Counts: Using PhillyTreeMap for Collaborative Urban Forestry

Every Tree Counts: Using PhillyTreeMap for Collaborative Urban Forestry

Philadelphia, like many American cities, has a wealth of urban trees.  Collectively known as the “urban forest,” these are the trees that line our city streets and river banks and adorn our urban parks and private lawns.  Healthy trees improve the look and feel of city neighborhoods by providing shade […]