Traditional Culture Encyclopedia - Traditional festivals - What is surveying and mapping? How many kinds of surveying and mapping are there? What are the surveying and mapping instruments?
What is surveying and mapping? How many kinds of surveying and mapping are there? What are the surveying and mapping instruments?
1. Surveying and mapping is based on computer technology, photoelectric technology, network communication technology, space science and information science, with global positioning system (GPS), remote sensing (RS) and geographic information system (GIS) as the technical core, and the existing characteristic points and boundaries on the ground are obtained by means of measurement to reflect the current situation of the ground, which can be used for planning, design and administrative management of engineering construction.
2. Surveying and mapping can be divided into: geodesy, photogrammetry, engineering surveying, marine surveying, cartography and general surveying.
3. Instruments include: level, theodolite, total station, GPS, gravimeter, measuring camera, surveying satellite, and now the latest laser 3d scanner, measuring robot, etc.
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