接着，采集软件就会储存现用索引字段的影像位置和缩放比率。

Then Capture Software stores the image position and zoom ratio for the active index field.

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然后由一台电脑从采集的标记的位置构建出每一个人的虚拟的影像。

A computer used data on the location of the markers to construct an avatar of each man (see videos).

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基本上是把属性值从实例元素中读出，并复制到影像树中的适当位置。

Basically, the attribute values are read off the instance element and copied to the right places in the shadow tree.

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