plot_legend {heatmaps} | R Documentation

## Plot a color legend for a heatmap

### Description

Plot a color legend for a heatmap

### Usage

    plot_legend(scale, options)

### Arguments

`scale` | Numeric vector contain min and max for the scale
`options` | heatmapOptions passed as a list This function plots a vertical color scale (or legend). With the default parameters, it looks good at about 1/5 the width of a heatmap, about 1cm x 10cm. This function only plots the legend, it does not set margin parameters.

### Value

invisible(0)

### See Also

plotHeatmapList

### Examples

    data(HeatmapExamples)
    opts = heatmapOptions()
    opts$color = "Rainbow"
    par(mai=opts$legend.mai)
    plot_legend(c(0,1), opts)

[Package heatmaps version 1.18.0 Index]