scale_edge_shape {ggraph} | R Documentation |
Edge shape scales
Description
This set of scales defines new shape scales for edge geoms equivalent to the
ones already defined by ggplot2. See ggplot2::scale_shape()
for
more information. The different geoms will know whether to use edge scales or
the standard scales so it is not necessary to write edge_shape
in
the call to the geom - just use shape
.
Usage
scale_edge_shape(..., solid = TRUE)
scale_edge_shape_discrete(..., solid = TRUE)
scale_edge_shape_continuous(...)
scale_edge_shape_binned(..., solid = TRUE)
scale_edge_shape_manual(..., values, breaks = waiver(), na.value = NA)
scale_edge_shape_identity(..., guide = "none")
Arguments
... |
Arguments passed on to discrete_scale
palette A palette function that when called with a single integer
argument (the number of levels in the scale) returns the values that
they should take (e.g., scales::pal_hue() ).
breaks One of:
-
NULL for no breaks
-
waiver() for the default breaks (the scale limits)
A character vector of breaks
A function that takes the limits as input and returns breaks
as output. Also accepts rlang lambda function
notation.
limits One of:
-
NULL to use the default scale values
A character vector that defines possible values of the scale and their
order
A function that accepts the existing (automatic) values and returns
new ones. Also accepts rlang lambda function
notation.
drop Should unused factor levels be omitted from the scale?
The default, TRUE , uses the levels that appear in the data;
FALSE uses all the levels in the factor.
na.translate Unlike continuous scales, discrete scales can easily show
missing values, and do so by default. If you want to remove missing values
from a discrete scale, specify na.translate = FALSE .
na.value If na.translate = TRUE , what aesthetic value should the
missing values be displayed as? Does not apply to position scales
where NA is always placed at the far right.
aesthetics The names of the aesthetics that this scale works with.
scale_name The name of the scale
that should be used for error messages associated with this scale.
labels One of:
-
NULL for no labels
-
waiver() for the default labels computed by the
transformation object
A character vector giving labels (must be same length as breaks )
An expression vector (must be the same length as breaks). See ?plotmath for details.
A function that takes the breaks as input and returns labels
as output. Also accepts rlang lambda function
notation.
guide A function used to create a guide or its name. See
guides() for more information.
call The call used to construct the scale for reporting messages.
super The super class to use for the constructed scale
|
solid |
Should the shapes be solid, TRUE , or hollow,
FALSE ?
|
values |
a set of aesthetic values to map data values to. The values
will be matched in order (usually alphabetical) with the limits of the
scale, or with breaks if provided. If this is a named vector, then the
values will be matched based on the names instead. Data values that don't
match will be given na.value .
|
breaks |
One of:
-
NULL for no breaks
-
waiver() for the default breaks (the scale limits)
A character vector of breaks
A function that takes the limits as input and returns breaks
as output
|
na.value |
The aesthetic value to use for missing (NA ) values
|
guide |
Guide to use for this scale.
|
Value
A ggproto object inheriting from Scale
See Also
Other scale_edge_*:
scale_edge_alpha()
,
scale_edge_colour
,
scale_edge_fill
,
scale_edge_linetype()
,
scale_edge_size()
,
scale_edge_width()
,
scale_label_size()
[Package
ggraph version 2.2.1
Index]