Highjack layer data | Debug complex aes() expressions | Inspect sub-layer data | Intervene with surgical precision | Highjack the drawing context

Is ggtrace() safe? | What can you ggtrace()? | Functions | ggproto methods | R6 methods | What can't you ggtrace()? | How can I save a modified ggplot?

Stage 1 (experienced user) | Stage 2 (curious user) | Stage 3 (aspiring developer) | Stage 4 (developer) | Stage 5 (contributor)

Workflows for interacting with ggplot internals | A walkthrough with geom_smooth() | Inspect | Capture | Highjack

Extending base::trace() with ggtrace()

Overview of CPA | Package design | Organization of vignettes | Compared to other implementations | Further readings