emap_roam: Add Zoom and roam controller

In JohnCoene/echarts: EChart htmlwidget

Description

Add zoom and roam controller to map.

Usage

emap_roam(p, show = TRUE, zlevel = 0, z = 4, x = "left", y = "top",
  width = 80, height = 120, backgroundColor = "rgba(0,0,0,0)",
  borderColor = "#ccc", borderWidth = 0, padding = 5,
  fillerColor = "#fff", handleColor = "#6495ed", step = 15,
  mapTypeControl = NULL, ...)

Arguments

p	an echart object.
show	set to TRUE to show the controller
z, zlevel	first and second grade cascading control, the higher z the closer to the top.
x	x position; left or right.
y	y posotion; top or bottom.
width, height	dimensions of controller.
backgroundColor	background color.
borderColor	border color.
borderWidth	width of border.
padding	padding.
fillerColor	filler color.
handleColor	color of handle.
step	moving step of the 4 direction roam in px.
mapTypeControl	ou can specify every single mapType when multiple map in a chart at the same time, such as: list({ china = FALSE, world = TRUE}).
...	any other option to pass to controller.

See Also

official roam controller docs

Examples

coords <- data.frame(city = c("London", "New York", "Beijing", "Sydney"),
  lon = c(-0.1167218, -73.98002, 116.3883, 151.18518),
  lat = c(51.49999, 40.74998, 39.92889, -33.92001),
  values = runif(4, 10, 20))

coords %>%
  echart(city) %>%
  emap() %>%
  emap_coords(lon, lat) %>%
  emap_points(values) %>%
  emap_roam(mapTypeControl = list(world = TRUE))

JohnCoene/echarts documentation built on May 22, 2021, 6:18 p.m.