Proposed longitudinal axis using for the data provincial cadastral under the accuracy of maps from the land value
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Nguyen, P. S. (2013). Proposed longitudinal axis using for the data provincial cadastral under the accuracy of maps from the land value. Journal of Geodesy and Cartography, (16), 10–12. https://doi.org/10.54491/jgac.2013.16.68

Abstract

There are 2 types of distortion of a land parcel’s area when projecting from the Earth surface to UTM plane. One of them is distortion caused by the effect from longitudinal projection zone of Geoid to UTM. The second one is distortion caused by measurement errors of each land parcel’s vertex. In this paper, we have calculated and compared land parcel’s distortion caused by the longitudinal projection zone in each province, in which value were measured with accuracy proposed by a new land price value method. The results show that error caused by distortion of a land parcel’s area from the Earth surface to UTM plane is less than that of distortion caused by measurement errors of each land parcel’s vertex. Therefore, it is necessary to define 3 degree longitudinal projection zones by uniform province instead of 3 degree zones for each province.
https://doi.org/10.54491/jgac.2013.16.68
PDF (Tiếng Việt) | Download: 60

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