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plotting detail in the past , detail would have been plotted on paper

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in the past , detail would have been plotted on paper or a more stable medium such as plastic film . however , today all practical . plotting , is computer based there is an abundance of computer plotting software available that will not only produce a contour plot but supply three- dimensional views , digital ground models, earthwork volumes road design , drainage design , perspective , etc, 

computer systems

to be economically viable , practically all major engineering / surveying organization use an automated plotting system . very often the total station and data logger are purchased with the computer hardware and software as a total operation system . in this way interface and adaptation problems are precluded figure 1.11 shows a computer driven plotter wich is networked to the system and located separately .

the essential characteristics of such a system are: