STB-2 gr4.  3-D contour plot command.
d STB insert by Gerard van de Kuilen, Oasis Decision Support Systems,
d The Netherlands.	  
d Support:  FAX +31-3402-65844
d After installation, see help ^plot3d^.
d Warning:  When you use this command, pl3d.plf must be in the 
d current directory.  You must also have Stage and access to it in your 
d PATH.

f gr4/plot3d.ado
f gr4/plot3d.hlp
f gr4/plot3d.prf
f gr4/stage.ado