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procedures for the definition of mistakes and errors in the form of an arbitrary crooked surface
procedures for the definition of mistakes and errors in the form of an arbitrary crooked surface
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机译:以任意弯曲表面的形式定义错误和错误的程序
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摘要
A principle curvature of a target curved surface S' and a principle curvature of a corresponding position of a reference surface S are obtained and each part is displayed by being classified into (a) a case where two principle curvatures increase, (b) a case where two principle curvatures decrease, and (c) a case where one of the principle curvatures increases and the other decreases from the difference between the principle curvatures. (a), (b), and (c) are determined as mountain, valley, and twist, respectively, and are displayed in different symbols or colors on an image. Consequently, a different part between two three-dimensional shapes can be accurately grasped, the cause of the occurrence of the error such as a partial curve or the like can be easily found, how much the shapes coincide with each other as a whole can be indicated by an objective numerical value, and the error can be easily determined even if the reference shape is complicated. IMAGE
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