plscolbga.3plplot man page

plscolbga — Set the background color by 8-bit RGB value and double alpha transparency value.

Synopsis

plscolbga(r, g, b, alpha)

Description

Set the background color (color 0 in color map 0) by 8-bit RGB value (see the PLplot documentation) and double alpha transparency value.

This function is used in example 31.

Arguments

r (PLINT, input)
Unsigned 8-bit integer (0-255) representing the degree of red in the color.
g (PLINT, input)
Unsigned 8-bit integer (0-255) representing the degree of green in the color.
b (PLINT, input)
Unsigned 8-bit integer (0-255) representing the degree of blue in the color.
alpha (PLFLT, input)
double value (0.0-1.0) representing the alpha transparency value of the color.

Authors

Many developers (who are credited at http://plplot.sourceforge.net/credits.p…) have contributed to PLplot over its long history.

See Also

PLplot documentation at http://plplot.sourceforge.net/documenta….

Info

August, 2015 PLplot API