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关于OCS的理解!

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发表于 2012-12-1 20:34 | 显示全部楼层 |阅读模式
An OCS is used internally by AutoCAD to reduce file size. One suspects that this isn't as much of an issue anymore and if AutoCAD were written from scratch today it probably wouldn't employ this complication. This is hinted to by the fact that the ellipse entity, which was added later then other 2D elements, uses WCS internally rather than OCS.

哪位英语好,专业好的高手帮忙翻译一下!

发表于 2012-12-1 22:46 | 显示全部楼层

定有不妥甚至错误之处,供参考。
OCS用于内部以减少AutoCAD文件的大小。人们怀疑cad不会更多的使用,如果现在写AutoCAD软件可能不会使用OCS。后来增加的二维实体椭圆,内部使用WCS而不使用OCS就是个暗示。
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