Laser plane target

The utility model discloses a laser plane target, which belongs to the technical field of photogrammetry, and comprises a calibration plate and a round spot, the calibration plate is provided with a plurality of regularly arranged grids, the center of the calibration plate is provided with the round spot, and each grid is provided with a gray value dye coating. When the calibration plate is round, round spots and a plurality of concentric circular rings are sequentially arranged on the calibration plate from inside to outside in the radial direction, the grids are uniformly distributed in the circular rings, a plurality of short arcs and long arcs are arranged on the outer ring and the inner ring of each circular ring in the circumferential direction, and the short arcs and the long arcs are alternately arranged; the intersection points of the short arcs and the long arcs on the outer ring are connected with the intersection points, closest to the intersection points, of the short arcs and the long arcs on th