Specifying what to transform You can apply a transformation to a selection on a layer or to an entire layer. You can also link layers in order to transform them together. To specify what to transform: Do one of the following: Important: You cannot transform the background layer. However, you can convert a background layer to a regular layer. (See Adding layers.) ![]() Transforming and Retouching > Transforming layers, selections, and shapes > Specifying what to transform |