PWFSLSmoke (version 1.0.16)

addMarker: Add Icons to a Map or RgoogleMap Plot

Description

Adds a marker to a plot or map -- an RgoogleMaps map object or Raster* object.

Usage

addMarker(longitude, latitude, color = "red", map = NULL, expansion = 1,
  ...)

Arguments

longitude

vector of longitudes

latitude

vector of latitudes

color

marker color: 'red', 'green', 'yellow', 'orange', or 'blue'. Also includes AQI category colors, specified 'AQI[number]' eg. 'AQI1'

map

optional RgoogleMaps map object or Raster* object

expansion

icon expansion factor. Ignored if width and height are specified.

...

arguments passed on to rasterImage

Examples

# NOT RUN {
ca <- airnow_load(20160801, 20160831, stateCodes='ca')
# Google map
map <- monitorGoogleMap(ca)
addMarker(ca$meta$longitude, ca$meta$latitude, map=map)
# line map
monitorMap(ca)
addMarker(ca$meta$longitude, ca$meta$latitude, color = "blue", expansion = 1)
# }