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发表于 2002-12-19 02:46:00
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If negative, make a "smaller" curve
本帖最后由 作者 于 2002-12-19 2:46:07 编辑
If the offset is negative, this is interpreted as being an offset to make a "smaller" curve (that is, for an arc it would offset to a radius that is "Distance less" than the starting curve's radius). If "smaller" has no meaning, then it would offset in the direction of smaller X, Y, and Z WCS coordinates.
以上摘自cad帮助中 val-offset 方法说明, dist负值已经是做“小”一点的offset了,为什么还要做一个判断呢? |
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