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Historical Aerial Photography CD Roms 1951-1952 Scanned Aerial
Photography from 1951-52 are available in digital format distributed on 2
CDs. Aerial
photography of Rhode Island for 1951-52 was obtained from the collection of
historic aerial photography on file at the RI Department of Administration,
Statewide Planning Program. Original photography for the 1951-1952 was
obtained from the Directorat of Intelligence, United States Air Force and
consisted of 812 black and white 9"X9" photopositive prints at a
scale of 1 inch = 1667 feet. These prints were produced from photo-negatives
captured using standard airborne photogrammetric techniques between October
20, 1951 to November 22, 1951 and May 16, 1952 to June 13, 1952. This photography
has not been orthographically rectified for photographic distortion
associated with aircraft/camera orientation or ground elevation variation.
Actual dates along with fight line and photo identification number were
imprinted on each of the photographs. Software For those who are
not already GIS users or who lack the specialized software required for
extended GIS analysis, we have included Lizardtech's MrSID GeoViewer. This
program is also available for free over the world wide web and can be
accessed at http://www.lizardtech.com/.
Please consult the accompanying license for any questions concerning this
program's usage.
If you do not
already have Arcview or another application that supports the MrSID image
format, you will need to install the MrSID GeoViewer software on your
computer.
MrSID GeoViewer is
a very small installation. It requires only the following: Windows
Power Macintosh
Additionally, please note that ESRI's Arcexplorer (2.0) supports the MrSID image format. Arcexplorer is a free GIS data viewer available from ESRI. For information about other GIS and image processing software with which to view MrSID images, please see http://www.lizardtech.com/. About
RIGIS The Rhode Island
Geographic Information System (RIGIS) is a consortium of government and
private organizations employing computer and communications technology to
manage and use a collective database of comprehensive geographically related
information. The mission of the RIGIS is to monitor, coordinate, and provide
leadership for activities related to the use of GIS technology within Rode
Island, to support initiatives to implement or use the technology, and to
manage and provide access to a common database of geographically referenced information. The RIGIS
database is maintained on a server at the University of Rhode Island's
Kingston Campus, and at the Rhode Island Department of Administration
in Providence. The Environmental Data Center within the Department
of Natural Resource Sciences at the University provides on line access
(web-browser only) to most RIGIS data via the Internet at www.edc.uri.edu/RIGIS. Data can also
be provided on magnetic and optical media by request from the RIGIS
coordinator at the RI Department of Administration's Statewide Planning
program at rigis@admin.ri.gov. RIGIS data are
copyright protected and licensed for use by the RI Board of Governors for
Higher Education. Restrictions include prohibiting the secondary distribution
of RIGIS data without prior written approval. RIGIS Contact
Information: John
Stachelhaus-RIGIS Coordinator
email:
rigis@admin.ri.gov
telephone: (401)
222-6483 |