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Chapter 14. Complex Projects > Collapsing Transformations

Collapsing Transformations

An unwanted by-product of the workings of the render order in nested compositions can be the loss of image resolution. Transform properties, such as scale, are calculated at every tier in the project hierarchy: first in the most deeply nested composition, then the next, and so on. At each level, the image is rasterized. In other words, its resolution is defined then redefined in successive compositions.

Scaling down an image in a nested composition rasterizes the image at the smaller size, and consequently, at a lower resolution (Figure 14.39 and Figure 14.40). Because the smaller image becomes the source for successive compositions, scaling it up again makes the reduced resolution more apparent (Figure 14.41).


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