Coordinates useful for plotting projective three-dimensional curves of the form 
 which are defined by
| 
(1)
 | |||
| 
(2)
 | |||
| 
(3)
 | |||
| 
(4)
 | 
 
	    
	
    
Coordinates useful for plotting projective three-dimensional curves of the form 
 which are defined by
| 
(1)
 | |||
| 
(2)
 | |||
| 
(3)
 | |||
| 
(4)
 | 
Weisstein, Eric W. "Tetrahedral Coordinates." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/TetrahedralCoordinates.html