Aerial Imagery
Aerial imagery is an essential tool for planning and analysis. It presents a comprehensive view of regional conditions. Having access to aerial imagery from various years provides the user with a chronological record of land use patterns. Aerials have been an important component of DVRPC's planning efforts for many years. They are also a popular source of information for consultants, developers, engineers, realtors, and the general public.
DVRPC offers two types of aerial imagery; orthoimagery and traditional or "historical" aerial imagery. The historical aerials are scans of DVRPC's mylar aerial photo enlargements. The orthoimagery consists of rectified or geometrically corrected aerial images. Unlike the traditional or "historical" aerials, the orthoimagery has been processed so that any distortions stemming from topographic relief and camera position are removed. This results in an accurate representation of the Earth's surface. Due to its uniform scale, distances between features can be measured on an orthoimage. Where these features touch the ground, they are shown in their true x and y map position.
Orthoimagery
- Available for the years 2000, 2005 & 2010
- Covers the entire 3,833 square mile DVRPC 9-county region (Bucks, Chester, Delaware, Montgomery, and Philadelphia counties in Pennsylvania and Burlington, Camden, Gloucester, and Mercer counties in New Jersey)
- The 2000 orthoimagery is grayscale with a 1.5 sq. ft. pixel resolution, a horizontal positional accuracy of +/-5', and a design scale of 1" = 200'
- The 2005 and 2010 orthoimagery is natural color, with a 1 sq. ft. pixel resolution, a horizontal positional accuracy of +/-5', and a design scale of 1" = 200'
- Orthoimagery tiles are referenced to their respective State Plane map coordinate system (either NJ State Plane NAD83 or PA State Plane South Zone NAD83)
- Each tile covers approximately 1.6 square miles of land area; Using Geographic Information System (GIS) software, individual tiles can be viewed together as a seamless mosaic of a larger area
- Hardcopies are available in wall or report size
Historic Aerial Imagery
- Available for the years 1959, and 1965 through 1995 in five-year increments
- Covers the entire 3,833 square mile DVRPC 9-county region (partial coverage in 1959 & 1965)
- The historic aerial imagery scans are non-orthorectified, grayscale images that have no spatial reference; Each scan covers approximately 3 square miles of land area
- Scans are in TIFF format (files average 33MB in size)
- Hardcopies are available in wall or report size
Aerial Imagery Product Pricing
Orthoimagery |
Historic Aerial Imagery |
Hardcopies |
2000, 2005 & 2010 Digital (GeoTIFF/MrSID): Complete County Set (GeoTIFF/MrSID/MrSID Mosaic): |
1959, 1965-1995 Digital (TIFF): Complete County Set (TIFF): |
$30 per print (wall size/various scales) |
Aerial Imagery Index Viewer
View and identify aerial imagery indexes that represent coverage of the region for various years (1959, 1965-2010 in five-year increments).
(Last Updated: May 2011)
Postage will be added to all mail orders. All sales are final. No refunds or exchanges. Please refer to DVRPC's Data Disclaimer for more details.