Draws a second polygon layer on top of selected ribbons so they can be emphasized without changing the underlying Identity( done with safe, explicit filters (row numbers, query/subject IDs, pident and length ranges) or a predicate function.
Usage
geom_ribbon_highlight(
mapping = NULL,
data = NULL,
ribbon_ids = NULL,
qaccver = NULL,
saccver = NULL,
min_pident = NULL,
max_pident = NULL,
min_length = NULL,
max_length = NULL,
predicate = NULL,
highlight_color = "#E11D48",
highlight_alpha = 0.8,
highlight_outline_color = NULL,
highlight_outline_width = 0.3,
show_legend = FALSE,
...
)Arguments
- mapping
Default NULL (uses pre-computed data)
- data
Default NULL (retrieved automatically from the layout)
- ribbon_ids
Optional integer vector of original ribbon row numbers to highlight.
- qaccver
Optional character vector; only ribbons whose query ID is in this set are highlighted.
- saccver
Optional character vector; only ribbons whose subject ID is in this set are highlighted.
- min_pident
Optional numeric. Minimum percent identity.
- max_pident
Optional numeric. Maximum percent identity.
- min_length
Optional numeric. Minimum alignment length.
- max_length
Optional numeric. Maximum alignment length.
- predicate
Optional function taking the ribbon data.frame and returning a logical vector with one element per row. Evaluated safely (no string parsing).
- highlight_color
Character. Highlight fill colour, default
"#E11D48".- highlight_alpha
Numeric (0-1). Highlight alpha, default 0.8.
- highlight_outline_color
Optional outline colour, default
NULL.- highlight_outline_width
Numeric. Outline width, default 0.3.
- show_legend
Logical. Whether to show a legend, default FALSE.
- ...
Additional arguments passed to
geom_polygon()
