The accuracy investigation of point coordinates’ determination using a fixed basis for high-precision geodesy binding

Abstract

Modern scanners can perform terrestrial topographic survey with resolution of 1 cm and accuracy of 2 mm in just a few minute's time, from the distance of up to 100 meters. However, for surface topographical surveying of large territories or complex industrial objects, it is necessary to conduct geodetic traverses and perform their binding to the points of the geodesic basis. One method of coordinate transferring during surveying is by using the method of inverse linear-angular intersection, which involves the measuring of the respective sides S 1 , S 2 and the β angle between them. This method is more precise than the classical one, which usually contains centring and reduction errors. The linear-angular intersection method can also be used for many applications in engineering geodesy, for laying geodetic traverses, and for binding to the wall based points of ground-surveying.

Research the Application of Topcon Is301 Scanning Total Station for the Building of Space Models of Architectural Forms

“…Закріплення 3D марок під оптимальним кутом забезпечує перпендикулярність падаючого променя, тим самим підвищує точність вимірювань кутів та віддалей. Прив'язування координат станцій стояння приладу виконували методом оберненої лінійно-кутової засічки, за методикою, дослідженою у [7]. Це дає змогу контролювати процес сканування на кожному етапі для забезпечення точності.…”