getTooltips: Get tooltips
In Roche/ggtips: Interactive Tooltips for ggplots

getTooltips

R Documentation

Get tooltips

Description

Returns a list of tooltips for a ggplot, grouped by plot geometries and layers. Each element of the list is a data frame with HTML-formatted tooltip contents (column 'tooltip') and coordinates relative to the size of the image ('coordX' and 'coordY').

Usage

getTooltips(plot, varDict, plotScales, g, callback, addAttributes = FALSE)

Arguments

`plot`	A ggplot object.
`varDict`	Variable dictionary in the following format: `list(<variable> = <label>, ...)`, where `<variable>` is a valid name of a variable mapped with aes, and `<label>` is a character string. It defines the composition of information displayed in tooltips.
`plotScales`	A list with two fields: x and y. Defines axis scales (transformations) for the purpose of displaying original values in tooltips. If NULL (default), values are displayed "as is".
`g`	A gtable object compiled from the plot (see arrangeGrob).
`callback`	Callback function for adding custom content to the tooltips (see the example app).
`addAttributes`	Logical parameter determinig whether extra geom attributes should be add to tooltip object.