Control Mapping
Control Mapping
Glossary of cartographic terms
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Glossaries
Definition of control mapping
Points of established position or elevation, or both, which are used to fix references in positioning and correlating map features. Fundamental control is provided by stations in the national networks of triangulation and traverse (horizontal control) and leveling (vertical control). Usually it is necessary to extend geodetic surveys, based on fundamental stations, over the area to be mapped, to provide a suitable density and distribution of control points. Supplemental control points are those needed to relate the aerial photographs used for mapping with the system of ground control. These points must be positively photoidentified that is, the points must be positively correlated with their images on the photographs.
Source: http://oneresponse.info/resources/imtoolbox/publicdocuments/Glossary%20of%20Cartographic%20Terms%20-%202002.doc
(from Maps for America. Third Edition.)
Web site link: http://oneresponse.info
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Glossary of cartographic terms
Glossary of cartographic terms index of terms
Definition and meaning of control mapping
Meaning of control mapping
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