| 摘要 |
PURPOSE:To shorten the time required for preparing a drawing, by imparting recognizability to piping and the like in advance when a reduced model is photographed by an X-ray CT apparatus, thereby ensuring the recognition. CONSTITUTION:A plant model (reduced model) 9, on which a piping model 8 is mounted, is photographed by an X-ray CT apparatus 1. In order to ensure the recognition by the X-ray CT apparatus at this time, recognizability is imparted to the piping model 8 in advance. There are various means for imparting the recognizability. For example, the piping model 8 is formed by plastics having the different degrees of X-ray absorption. The shape of the cross section of the pipe of the piping model is made different to be triangle, a square, or a hexagon. Thus the recognition can be ensured. By ensuring the recognition in this way, the time required for preparing the drawing can be shortened. This method can be applied to various machines in addition to the piping model. |
