| 摘要 |
PROBLEM TO BE SOLVED: To provide a system for appropriately determining the growth of a crack, the degree of deterioration of the structure, or the like.SOLUTION: A system 10 includes: a storage unit 41 for storing crack information; an operation unit 30 for designating one crack (51); means for reading, from the storage unit, fourth information of a specific point at one end or the other end of the crack 51 designated by the operation unit; and means for driving a total station and directing a collimation axis of the total station toward the three-dimensional coordinates of the designated specific point, on the basis of the apparatus coordinates of the total station and the fourth information of the specific point.SELECTED DRAWING: Figure 11 |
