| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for facilitating the determination of a construction position by displaying a prepared drawing for construction on the surface of a constructed object. SOLUTION: The construction position is determined by projecting the drawing for construction on the surface of the constructed object. A first reference point projected from the drawing for construction is aligned with a first reference point positioned on the surface of the constructed object, and a second reference point projected from the drawing for construction is aligned with the second reference point positioned on the surface of the constructed object. Thus, the direction and scale of the projected construction drawing are determined to determine the construction position on the surface of the constructed object.
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