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Dare County, NC 2007 Digital Orthos

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Abstract: Digital orthophotos combine the geometric qualities of a map with the image qualities of a photograph. The orthos have a ground resolution of 0.25x0.25 feet from color aerial photography taken at an approx scale of 1:6000 during the Spring of 2007, and a ground resolution of 1.00x1.00 feet from color aerial photography taken at an approx scale of 1:24000 during the same time period. The images have been rectified to the North Carolina State Plane Coordinate System 1983 North American Datum (NAD83/2001 adjustment). The file consists of image pixels oriented by lines (rows) and samples (columns). Each line contains a series of pixels ordered from West to East with the order of the lines from North to South. Orthophotos are numbered in accordance with the Basic Modular Unit naming scheme in which the orthophoto number refers to selected paired digits of the East and North coordinates of the southwest corner of the module.
Purpose: Digital orthophotos serve a wide variety of uses. The primary use of these orthophotos will be as a backdrop layer of visual information for various mapping efforts.
Supplemental Information: These Orthophoto images are available in two formats. The raw uncompressed .tif/.tfw format datasets are available on DVD MEDIA. Images compressed using Lizardtech's MrSid Publisher Software are available in .sid/sdw format.
Publication Date: 2008/04/09
Originator: Dare County Government
Time Period of Content:
Time Period Information:
Single Date/Time:
Calendar Date: 2007
Currentness Reference: ground condition
Progress: Complete
Maintenance and Update Frequency: As needed
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -76.0400
East Bounding Coordinate: -75.4400
North Bounding Coordinate: 36.2400
South Bounding Coordinate: 35.1600
Contact Organization: Dare County Tax Mapping Dept.
Contact Person: Eddie Francis
Contact Electronic Mail Address:
Contact Voice Telephone: 252-475-5963
Contact Organization: Dare County Tax Mapping Dept.
Horizontal Datum Name: North American Datum of 1983/2001 adjustment
Planar Distance Units: survey feet
Ellipsoid Name: Geodetic Reference System 80
Map Projection Name: Lambert Conformal Conic
Distribution Liability: Dare County provides the geographic data "as is". This organization makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. Also, this organization makes no warranty, either expressed or implied, regarding the condition of the product or its fitness for any particular purpose. The burden for determing fitness for use lies entirely with the user. Although these files have been processed successfully on computers at this organization, no warranty is made by this organization regarding the use of these data on any other system, nor does the fact of distribution constitute or imply such a warranty.
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