Abstract
In the measurement of cadastral mapping, it is necessary to distinguish: the accuracy of the measurement of the variation and the accuracy of the data after the measurement to make it com-patible with the original data. A fluctuation measurement is a conditional measurement, which achieves the highest area or edge precision by plot coordinates. However, when combined with the original data, this error is affected by the error in the measurement of the establishment and the error of the measurement of fluctuations, because these two data are not the same condition when the next. Revisions can not overlap, especially for digital data. In this article, we will provide a basis for calculating and proposing the accuracy requirements of volumetric measurements and for the sequencing of digital data. This is the practical issue of the regulatory change that is posing to the technical regulator. The results suggested in this paper are the products of the ministerial level proj-ect "Research and propose technical requirements in the adjustment of cadastral maps associated with the solution to build cadastral database.
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