---
name: "plgspa"
section: "3plplot"
platform: "linux"
package: "plplot-doc"
version: "5.15.0+dfsg2-15"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/plgspa"
---

# plgspa(3plplot)

Get current subpage parameters

## NAME

**plgspa** - Get current subpage parameters

## SYNOPSIS

**plgspa**(*xmin*, *xmax*, *ymin*, *ymax*)

## DESCRIPTION

Gets the size of the current subpage in millimeters measured from the bottom left hand corner of the output device page or screen.  Can be used in conjunction with [**plsvpa**(3plplot)](/plsvpa/3plplot.md) for setting the size of a viewport in absolute coordinates (millimeters).

Redacted form: **plgspa(xmin, xmax, ymin, ymax)**

This function is used in example 23.

## ARGUMENTS

- *xmin* (**PLFLT\_NC\_SCALAR**(3plplot), output)

  Returned value of the position of the left hand edge of the subpage in millimeters.

- *xmax* (**PLFLT\_NC\_SCALAR**(3plplot), output)

  Returned value of the position of the right hand edge of the subpage in millimeters.

- *ymin* (**PLFLT\_NC\_SCALAR**(3plplot), output)

  Returned value of the position of the bottom edge of the subpage in millimeters.

- *ymax* (**PLFLT\_NC\_SCALAR**(3plplot), output)

  Returned value of the position of the top edge of the subpage in millimeters.

## AUTHORS

Many developers (who are credited at http://plplot.org/credits.php) have contributed to PLplot over its long history.

## SEE ALSO

PLplot documentation at http://plplot.org/documentation.php.