A method of surveying and measuring module for measuring at least a dimension of a three-dimensional object

摘要

Measuring method for measuring at least a dimension of a three-dimensional object (17) in a three-dimensional measurement range (r) with the aid of a perspective two-dimensional image of the object (17), with at least the following steps:a) define at least two dimension markings (m_A, M_A'', M_A'''', M_B) in the two-dimensional image,b) assignment of in the three-dimensional space at a surface of the measurement range (r) lying transmission (a, a '', a ″, b) to the in the two-dimensional illustration defined dimension markings (m_A, M_A'', M_A'''', M_B),c) determining a change of a dimension value (a) between the transmission (a, a '', a ″, b) in the three-dimensional space as a function of a change in the to the transmission (a, a'', a ″, b) the dimension of the associated markings (m_A, M_A'', M_A'''', M_B),d) detection of a sudden change in (s) of the dimension value (a) and outlet of a jump - via transmission point (a '') at a point at which the sudden change (s) occurs ande) determining a target - dimension value (a₁) as a function of the jump - transfer (a'').