Learn R Programming
PWFSLSmoke (version 1.2.117)

addWindBarb: Add wind barb to a map

Description

Add a wind barb to the plot. Used internally in addWindBarbs

Usage

addWindBarb(
  x,
  y,
  speed,
  dir,
  circleSize = 1,
  circleFill = "transparent",
  lineCol = 1,
  extraBarbLength = 0,
  barbSize = 1,
  ...
)

Arguments

x

longitude

y

latitude

speed

wind speed in knots

dir

wind direction in degrees clockwise from north

circleSize

size of the circle

circleFill

circle fill color (currently not supported)

lineCol

line color (currently not supported)

extraBarbLength

add length to barbs

barbSize

size of the barb

...

additional arguments to be passed to lines

References

https://commons.wikimedia.org/wiki/Wind_speed