R: The dyCrosshair plugin draws a crosshair line over the point...

dyCrosshair {dygraphs} | R Documentation

## The dyCrosshair plugin draws a crosshair line over the point closest to the mouse when the user hovers over the graph. It has a "direction" option which is provided in the R wrapper function and then forwarded to the plugin using the "options" argument to dyPlugin.

### Description

The dyCrosshair plugin draws a crosshair line over the point closest to the mouse when the user hovers over the graph. It has a "direction" option which is provided in the R wrapper function and then forwarded to the plugin using the "options" argument to dyPlugin.

### Usage

    dyCrosshair(dygraph, direction = c("both", "horizontal", "vertical"))

### Arguments

`dygraph` | Dygraph to add plugin to
`direction` | Crosshair direction. Valid options are: "both", "horizontal", "vertical"

### Value

Dygraph with Crosshair plugin enabled

### Examples

    library(dygraphs)
    dygraph(ldeaths) %>%
      dyRangeSelector() %>%
      dyCrosshair(direction = "vertical")

[Package dygraphs version 1.1.1.4 Index]