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Arkansas State Procurement releases
RFP for Statewide Digital Orthos- to
be captured during the 2006 flying season
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Supplemental Information (vector footprint)
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1
Meter Resolution Color Infrared Sample |
About the Program
As each day passes, information grows out of date and
incorrect, new subdivisions are built, cities are annexed,
and roadways are enhanced or changed all together. Aerial
Digital Orthophotography is a special type of photography
that is encoded with the correct latitude and longitude
coordinates, enabling it to be used in a number of applications.
This type of photography is taken from a plane above
a specified location that allows for coverage of a large
area at one time, which is ideally suited for mapping.
The image is then loaded into a computer and over laid
onto a base-map for analysis and processing of clear
and precise images of the location.
The maps that result from Aerial Digital Orthophotography
are known as Digital Ortho Quads (DOQ). When the data
becomes old, a new flight mission can be arranged to
recapture new photographs and data of the location.
Current, comprehensive, and precise map information
is a crucial part of the decision
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1
Meter Resolution Natural Color Sample |
making process and analysis of land formations, geographic
features, and locations.
Project Specifications
The State has launched a new statewide
digital orthoimagery mission to produce an updated version
of the wildly popular database. The newst update will
be flown in winter 2006. When completed it will become
the base layer for subsequent development and maintenance
of other geospatial data throughout Arkansas. The mission
will covere the entire state of Arkansas. The images
provide one-meter resolution and are built in a GIS
compatible
format. This fundamental layer serves
as the foundation for digital overlays of industrial
parks, infrastructure such as water, power and gas lines,
or administrative boundaries such as school districts
or city boundaries.
Shelby Johnson
State Geographic Information Coordinator
501-682-2767
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