Removing Images and Sets
Optimize the size of an asset catalog by removing unused images or sets.
通过删除不用的图片或图片集优化一个asset catalog的大小。
Do one of the following:
可以使用以下方法：
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Remove an image from its set by Control-clicking the image and choosing Remove Selected Items from the shortcut menu.
通过选中要删除的图片，选择删除最选中的图片。
Note: Removing an image does not remove the placeholder for that image resolution from the set. To remove the placeholder from a set, use the Attributes inspector to deselect the checkbox for the corresponding sizes or device, as described in the appropriate Customizing Sets article (see Related Articles).
注意：从图片集删除图片并不会删除该图片分辨率的占位符。 要想从图片集中删除占位符， 使用Attributes inspector来取消选择相应尺寸或设置边上的选择框，它们有在相应地自定义集合文章中讲述(查看相关文章)
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Select an image or image set, and press the Delete key.
选中一张图片或一个图片集，按Delelte键。