Provided by: plplot-doc_5.10.0-0ubuntu5_all 

NAME
plgvpd - Get viewport limits in normalized device coordinates
SYNOPSIS
plgvpd(p_xmin, p_xmax, p_ymin, p_ymax)
DESCRIPTION
Get viewport limits in normalized device coordinates.
Redacted form: General: plgvpd(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 normalized device coordinate in x.
p_xmax (PLFLT *, output)
Upper viewport limit of the normalized device coordinate in x.
p_ymin (PLFLT *, output)
Lower viewport limit of the normalized device coordinate in y.
p_ymax (PLFLT *, output)
Upper viewport limit of the normalized device coordinate in y.
AUTHORS
Many developers (who are credited at http://plplot.sourceforge.net/credits.php) have contributed to
PLplot over its long history.
SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/documentation.php.
February, 2014 PLGVPD(3plplot)