使用建构历史编辑物件

建构历史记录了一个指令的输入物件与结果物件之间的连结关系，当输入物件变更时，结果物件也会跟着改变。

例如，打开记录与更新建构历史时，调整放样 (Loft) 曲面的输入曲线，放样曲面会跟着改变。

使用建构历史

Store the connection between a command's input geometry and the result, so that when the input geometry changes, the result updates accordingly.

Remove history from an object and its children.

Redefine selected objects when parents are changed.

Select objects that have history.

Select parents of specified children.

Select children of specified parents.

Mirror a copy of a curve or surface with continuity.