| 摘要 |
Substantially automatic dimensioning is performed in computer aided design for a design item. For this purpose, different kinds of constituent elements are registered in different tables based on which provisional dimensioning is performed along an X-axis and a Y-axis to generate provisional dimensioning lines in different stages. Then, the provisional dimensioning lines are rearranged in a manner such that larger valued dimensioning lines are located farther from the design item than smaller valued dimensioning lines. Leader dimensioning may be further performed with respect to such elements as 45 DEG -chamfer elements, arc elements, circles and section bores.
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