scaleColorDiscrete

default = 1. Only for color scales: sets the order of colors in the scale. If -1, the order of colors is reversed.

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.

List of data values. A vector specifying values to display with the scale and their order in guides (axis).

Missing values will be replaced with this value.

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.

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".

The type of the scale: ("color_gradient", "color_gradient2", "color_gradientn", "color_hue", "color_grey", "color_brewer", "color_cmap"). If null (the default) and the scale is color, then "color_brewer" will be used.

Additional parameters for the specified scale type.