plssym.3plplot man page
plssym — Set symbol size
This sets up the size of all subsequent symbols drawn by plpoin(3plplot) and plsym(3plplot). The actual height of a symbol is the product of the default symbol size and a scaling factor as for the character height.
Redacted form: plssym(def, scale)
This function is used in example 29.
- def (PLFLT, input)
The default height of a symbol in millimeters, should be set to zero if the default height is to remain unchanged.
- scale (PLFLT, input)
Scale factor to be applied to default to get actual symbol height.
Many developers (who are credited at http://plplot.sourceforge.net/credits.php) have contributed to PLplot over its long history.
PLplot documentation at http://plplot.sourceforge.net/documentation.php.