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orthophotograph

(Data West Research Agency definition: see GIS glossary.) An aerial photograph in which the displacement of images has been removed and that has the distortion due to tilt, curvature, and ground relief corrected. It is a "scale corrected" aerial image, depicting ground features in their exact ground positions, in which distortion caused by camera and flight characteristics and relief displacement have been removed using photogrammetric techniques.



GIS glossary

The GIS terms under the entries GIS glossary: a-g and GIS glossary: h-t are condensed and reproduced with permission from "A Practitioner's Guide to GIS Terminology" by Stearns J. Wood. Compiled over 30 years and first published in 1984, the book contains more than 10,000 terms embracing all aspects of geoprocessing and geoanalysis, spatial and network analysis, resource management, facilities management, automated mapping, computer-aided design and drafting, database management systems, open systems connectivity and geographic information system computer technology. Selected terms from geography, cartography, computer science, urban and regional information systems, remote sensing and GPS are also included. See GIS glossary: a-g and GIS glossary: h-t.




The Source
This "must-have" resource is available from Data West Research Agency. For more information, visit www.gisdatawest.com.






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orphanOS/360
orphan linkOS/390
orthogonalOS/400

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