scale Alpha
Scales for alpha aesthetic.
Parameters
The range of the mapped aesthetics result.
The name of the scale - used as the axis label or the legend title. If null, the default, the name of the scale is taken from the first mapping used for that aesthetic.
A list of data values specifying the positions of ticks, or a dictionary which maps the tick labels to the breaks values.
A list of labels on ticks, or a dictionary which maps the breaks values to the tick labels.
The maximum label length (in characters) before trimming is applied.
A numeric vector of length two providing limits of the scale.
An aesthetic value which is used when data in not available.
Specifies the format pattern for labels on the scale.
Guide to use for this scale. It can either be a string ("colorbar", "legend") or a call to a guide function (guideColorbar()
, guideLegend()
) specifying additional arguments. "none" will hide the guide.
Name of built-in transformation ("identity", "log10", "log2", "symlog", "reverse", "sqrt").
Format patterns in the format
parameter can be just a number format (like "d") or a string template where number format is surrounded by curly braces: "{d} cylinders". Note: the "$" must be escaped as "\$". For more info see: formats.html
Examples:
".2f" -> "12.45";
"Score: {.2f}" -> "Score: 12.45";
"Score: {}" -> "Score: 12.454789".