chickadee » ggplot » layer-annotate-text

layer-annotate-text text x y #!key size color hjust vjust angleprocedure
layer-annotate-rect xmin ymin xmax ymax #!key fill alpha color line-widthprocedure
layer-annotate-segment x1 y1 x2 y2 #!key color widthprocedure
layer-annotate-arrow x1 y1 x2 y2 #!key color widthprocedure

Coordinates are in data space.

For reference lines with full linetype support, the following are recommended over layer-hline/layer-vline when annotation-layer dispatch is needed: