left_right: Interactive inputs bound to arrow keys.

In rpruim/ggvis2: Interactive grammar of graphics

Description

Interactive inputs bound to arrow keys.

Usage

left_right(min, max, value = (min + max)/2, step = (max - min)/40)

up_down(min, max, value = (min + max)/2, step = (max - min)/40)

Arguments

min	A minimum value.
max	A maximum value.
value	The initial value before any keys are pressed. Defaults to half-way between min and max.
step	How much each key press changes value. Defaults to 40 steps along range

Examples

size <- left_right(1, 801, value = 51, step = 50)
opacity <- up_down(0, 1, value = 0.9, step = 0.05)

mtcars %>% ggvis(~mpg, ~wt, size := size, opacity := opacity) %>%
  layer_points()

rpruim/ggvis2 documentation built on May 28, 2019, 2:34 a.m.