plpsty.3plplot man page
plpsty — Select area fill pattern
Select one of eight predefined area fill patterns to use (also see plpat(3plplot)). Setting the fill style to 0 gives a solid fill.
Redacted form: plpsty(patt)
This function is used in examples 12,13,15,16,25.
- patt (PLINT, input)
The desired pattern. Pattern 1 consists of horizontal lines, pattern 2 consists of vertical lines, pattern 3 consists of lines at 45 degrees angle (upward), and so on.
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.