Patent ID: 9739610
Date: 2017-08-22
CPC Classifications: G01C

Claim:
1. A system of measuring a three-dimensional position of a measurement point, the system comprising: a pointing rod positioned on the measurement point; a prism fixed at a position deviated by a known first fixed length from the measurement point in an axial direction of the pointing rod; an inclination casing for fixing an analysis pattern which is located at a position deviated by a known second fixed length from the prism in the axial direction of the pointing rod and is located on a plane perpendicular to the axial direction of the pointing rod; and a survey machine including a section of measuring a distance to the prism, a section of measuring an angle, and an image-taking section, the three-dimensional position of the measurement point being measured from a three-dimensional position of the prism obtained in the sections of measuring the distance and the angle, an inclination direction of the pointing rod obtained from an image obtained by imaging the inclination casing by means of the image-taking section, and the first fixed length.