v.psu <contrib>	      GRASS Reference Manual	  <contrib> v.psu



NAME
     v.psu - Program to build PSU polygon and PSU sites from
     single labeled line segment.
     (SCS GRASS Vector Program)

SYNOPSIS
     v.psu
     v.psu help
     v.psu input=name output=name psu=name subj=name [xdist=name]
	[ydist=name]

DESCRIPTION
     This program builds a complete PSU polygon and PSU points
     from a single labeled line segment identifying the west edge
     of the PSU.  The resultant polygon and points will be
     automatically labeled based on the original line segment
     label.


     Parameters:

     input=name	       Vector input file name.

     output=name       Vector output file name.

     psu=name	       psu_data file name.

     subj=name	       Subject file name.

     xdist=value       x distance.

     ydist=value       y distance.

EXAMPLE
     psu.vect in=spri out=spri.psu psu=SD009.PNT
     subj=bonhomme.psu

NOTES
     Refer to SCS PSU Digitizing Manual for examples and further
     instruction.

AUTHOR
     Paul H. Fukuhara, USDA SCS National Cartographic Center


NOTICE
     This program is part of the contrib section of the GRASS
     distribution.  As such, it is externally contributed code
     that has not been examined or tested by the Office of GRASS
     Integration.





GRASS 5.0beta6	      GRASS Development Team			1