e handles this is to render render the image (or part of the image) off screen to obtain a representation that can be filtered. The filter is applied to that rendered image and then, when the final plot is constructed, the filtered versions are included in the final plot rather than the original ones.</p>
<p>In this session I’ll provide an introduction to ggfx. The API for ggfx takes a little while to wrap your head around, but once you’ve got a handle on it, it turns out to be a very powerful tool for 