| 摘要 |
PCT No. PCT/NO96/00237 Sec. 371 Date Apr. 10, 1998 Sec. 102(e) Date Apr. 10, 1998 PCT Filed Oct. 10, 1996 PCT Pub. No. WO97/14015 PCT Pub. Date Apr. 17, 1997A system for point-by-point measurement of spatial coordinates comprising: one or more opto-electronic cameras (7, 8) arranged for measuring spatial direction to point-shaped light sources; one or more rangefinders (11) for measuring distance and optionally direction to light-reflecting targets (19, 28); a touch tool (18) having a minimum of three point-shaped light giving means (21-25) in known local coordinates relative to a local tool-fixed coordinate system, one or more light-reflecting points or targets (28) for the laser rangefinder, and having a contact point (30) in known position relative to said local coordinate system; and data processor (2) designed to compute the spatial position and orientation of said touch tool (18) relative to said camera (7, 8) and rangefinder (11) on the basis of knowledge of the position of said light giving means (21-25) relative to the tool's contact point (30), the measured directions from the cameras (7, 8) to the individual light giving means (21-25), and measured distance from the laser rangefinder (11) to the light-reflecting point/target (28), so that the position of the tool (18) is referred to said contact point (30). |
