IVEdrawarrow


Purpose
Add an arrow to an existing plot.
Synopsis
procedure IVEdrawarrow(handle: integer, x1: real, y1: real, x2: real, y2: real)
Arguments
handle 
The number returned by IVEaddplot.
x1 
The x coordinate of the first point.
y1 
The y coordinate of the first point.
x2 
The x coordinate of the second point.
y2 
The y coordinate of the second point.
Example
The following adds two arrows to a plot named `thetime'. The arrows suggest three o'clock:
declarations
  arrows: integer
end-declarations

arrows:=IVEaddplot("thetime", IVE_BLACK)
IVEdrawarrow(arrows, 0, 0, 0, 5)
IVEdrawarrow(arrows, 0, 0, 4.5, 0) 
IVEzoom(-5, -6, 5, 6)
Further information
The arrow connects the two points whose coordinates are given as parameters, pointing to the second one.


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