What is the use of rasterizing layers in ps

The function of rasterization is to convert vector objects into bitmaps or into pixels. Of course, once an object is rasterized, the functions that were previously available to it are no longer available.

Various tools and menu functions in PS are only applicable to bitmap images. Therefore, in PS, if there is a non-bitmap image, and you want to use certain functions, such as filter functions, etc., then you must convert it to a bitmap image. Vector images are processed differently from bitmaps. In order to use bitmap processing methods, they must be rasterized.

For example, the text layer is a vector layer. Before rasterization, you can adjust the character size and font, but you cannot fill it with gradients, and you cannot use filters such as Gaussian blur and distortion. After rasterization, you can use filters and fill, but you can no longer change the font size.

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