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A Topographical Survey is an assessment to select the configuration of the earth's surface. It usually concerns the relief of the earth which can also include natural & artificial feature such as valley, streams, bridges & buildings. The recording of relief or terrain involves determining the terrestrial or three-dimensional space position of points & the distances & angles between them. A graphic representation of the relief of an area is called a topographic map, which will be constructed from knowledge which shows the vertical & horizontal locations plotted in the survey. A 3D representation of the Topographical Survey in Essex can be created, called digital surface models, which are with objects such as plants or buildings, or digital terrain models, which are without.
Topographical Survey in Essex is a kind of land surveying which measures the elevation of plots on a specific piece of land, which are then introduced as contour lines on a plot. Topographical Survey in Essex makes use of astheodolites, dumpy levels & clinometers, which will measure the distances & angles between points. Direct surveys such as these can be manual or GIS-based, the latter being a computerised method used to capture, store, manipulate, analyse, manage & present the findings of the topographical survey.
Topographical Survey in Essex may be conducted for a considerable number of reasons. The plotting of points in a horizontal coordinate technique such as latitude, longitude and altitude may be commissioned by architects or engineers before building or installing drainage they are also carried out for other reasons such as archaeological digs, reclamation projects, military planning and geological exploration and mapping.
Topography is also used in medical practice, for brain mapping, measuring the curvature of cornea and superficial human anatomy. It is also used in arithmetic when measuring the variables in a map or space.
About Company: Cat Surveys offering a wide range of surveying and consultancy services, Geomatics department supports our Utilities and Site Investigation teams as well as liaising with Local Authorities, Civil Engineering/Building Contractors and various Major Utility Providers.
For More Details Please Visit: http://www.cat-surveys.com/
