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

# plsmaj(3plplot)

Set length of major ticks

## NAME

**plsmaj** - Set length of major ticks

## SYNOPSIS

**plsmaj**(*def*, *scale*)

## DESCRIPTION

This sets up the length of the major ticks.  The actual length is the product of the default length and a scaling factor as for character height.

Redacted form: **plsmaj(def, scale)**

This function is used in example 29.

## ARGUMENTS

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

  The default length of a major tick in millimeters, should be set to zero if the default length is to remain unchanged.

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

  Scale factor to be applied to default to get actual tick length.

## 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.