Abstract
The paper presents the results of research concerning the analysis of spatial distribution of detailed geodetic control points in rural areas in Poland. The analysis takes into consideration the relations between the number of geodetic control points and land cover type (built-up, agricultural, and forest) as well as the effective legal regulations in Poland with regard to the issues. The analysis results were referred to geodetic sections classified by the k-means method with respect to the number of the control points and the built-up, agricultural and forest areas. The research indicates that the number of the geodetic control points in an area depends to the extent of 35 % on the type of land cover (building, agricultural and forest land). Having this in mind, the authors recommend taking the land cover into consideration already in the phase of designing a geodetic control network.
Highlights
Keywords Horizontal geodetic control point · Geospatial analysis · K-means clustering · Thematic map Geodetic controls are of very high priority to various activities such as geodetic, geophysical, surveying and civil engineering, GIS developing and spatial data gathering
The quality of geodetic controls expressed in the studies and researches as reliability and geometrical strength, as well as economy takes the topographic location of the geodetic control points into consideration only to a little extent
It was assumed that the analysis of the spatial distribution of the detailed geodetic control points would be conducted in the basic fields for which geodetic sections were selected
Summary
Geodetic controls are of very high priority to various activities such as geodetic, geophysical, surveying and civil engineering, GIS developing and spatial data gathering. The quality of geodetic controls expressed in the studies and researches as reliability and geometrical strength, as well as economy takes the topographic location of the geodetic control points into consideration only to a little extent. In a sense, it is considered in the economical factor which, is extremely rarely taken into account during designing the geodetic control (Teunissen 1985). Cartographic presentation of the results will facilitate decisions concerning modernizing and densification of geodetic controls, and it will enable surveyor to assess the time needed for measurement tasks faster and more precisely
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