functions in plwf.i - l

             lightwf, cmax  
 
     Sets the cmax= parameter interactively, assuming the current  
     3D display list contains the result of a previous plwf call.  
     This changes the color of the brightest surface in the picture.  
     The darkest surface color can be controlled using the ambient=  
     keyword to light3.  
interpreted function, defined at i/plwf.i   line 131