A method for computer-assisted processing of a structure comprising a first member and a second member

The invention relates to a method and arrangement for computer assisted processing of a structure, comprising a first element and a second element, belonging together, whereby a third position of the first element is determined by means of a first position of the first element and a changed second position of the first element. On processing the structure at least one fourth position of the second element of the structure is altered, by means of the third position of the first element.