SYNOPSIS
plgvpw(p_xmin, p_xmax, p_ymin, p_ymax)DESCRIPTION
Get viewport limits in world coordinates.
Redacted form: General: plgvpw(p_xmin, p_xmax, p_ymin, p_ymax) Perl/PDL: Not available?
This function is used in example 31.
ARGUMENTS
- p_xmin (PLFLT *, output)
 - Lower viewport limit of the world coordinate in x.
 - p_xmax (PLFLT *, output)
 - Upper viewport limit of the world coordinate in x.
 - p_ymin (PLFLT *, output)
 - Lower viewport limit of the world coordinate in y.
 - p_ymax (PLFLT *, output)
 - 
Upper viewport limit of the world coordinate in y. 
 

