
Annotate a Calendar Plot with Wind Direction Arrows
annotate_calendar_wd.RdThis function will add wind direction arrows to a trend_calendar() plot, sized
based on wind speed. Note that this function can only be used if the original
data contained numeric "ws" and "wd" columns.
Arguments
- size
- The maximum size of the arrows. 
- colour
- The colour for the arrows. 
- ...
- Other arguments passed to - metR::geom_arrow().
See also
Other calendarplot annotation functions: 
annotate_calendar_text()