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