| 摘要 |
Techniques are developed for defining an engine which has as its input two-dimensional drawing views (1010), wherein the engine produces a three-dimensional geometric solid (1032). The engine comprises, among other things, a set of rules for identifying particular elements (1004) within the various two-dimensional views, and for determining the useful relationships between elements, e.g., arcs, lines and the like, in one view vis-a-vis related elements in another view (1008), to thereby ascertain the three-dimensional form defined by these elements and their corresponding relations to other elements (1032). A three-dimensional solid is thus rendered.
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