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

# plstripa(3plplot)

Add a point to a strip chart

## NAME

**plstripa** - Add a point to a strip chart

## SYNOPSIS

**plstripa**(*id*, *pen*, *x*, *y*)

## DESCRIPTION

Add a point to a given pen of a given strip chart. There is no need for all pens to have the same number of points or to be equally sampled in the x coordinate. Allocates memory and rescales as necessary.

Redacted form: **plstripa(id, pen, x, y)**

This function is used in example 17.

## ARGUMENTS

- *id* (**PLINT**(3plplot), input)

  Identification number of the strip chart (set up in [**plstripc**(3plplot)](/plstripc/3plplot.md)).

- *pen* (**PLINT**(3plplot), input)

  Pen number (ranges from 0 to 3).

- *x* (**PLFLT**(3plplot), input)

  X coordinate of point to plot.

- *y* (**PLFLT**(3plplot), input)

  Y coordinate of point to plot.

## 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.