gplot3d.arrow {sna} | R Documentation |
Add Arrows a Three-Dimensional Plot
Description
gplot3d.arrow
draws an arrow between two pairs of points.
Usage
gplot3d.arrow(a, b, radius, color = "white", alpha = 1)
Arguments
a |
a vector or three-column matrix containing origin X,Y,Z coordinates. |
b |
a vector or three-column matrix containing origin X,Y,Z coordinates. |
radius |
the arrow radius, in current plotting units. May be a vector, if multiple arrows are to be drawn. |
color |
the arrow color. May be a vector, if multiple arrows are being drawn. |
alpha |
alpha (transparency) value(s) for arrows. (May be a vector.) |
Details
gplot3d.arrow
draws one or more three-dimensional “arrows” from the points given in a
to those given in b
. Note that the “arrows” are really cones, narrowing in the direction of the destination point.
Value
None.
Author(s)
Carter T. Butts buttsc@uci.edu
See Also
[Package sna version 2.7-2 Index]