ptext3d: Display text on a 3D plot
Description
Display text on a 3D plot defined by a list of coordinates
Usage
ptext3d(x,y=NULL,z=NULL,texts,pmat,...)
Arguments
 
- x,y,z
- x, y and z coordinates to plot. x may be a list with
   three components. 
 
- pmat
- matrix to transform coordinates. 
 
- texts
- text to display. 
 
- ...
- Other arguments passed to segments. 
Details
Draws text on a perspective plot.