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plscolbga - Set the background color by 8-bit RGB value and double alpha value.
plscolbga(r, g, b, a)
Set the background color (color 0 in color map 0) by 8-bit RGB value (see the PLplot documentation) and double alpha value. This function is used in example 31.
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. a (PLFLT, input) double value (0.0-1.0) representing the alpha value of the color.
Geoffrey Furnish and Maurice LeBrun wrote and maintain PLplot. This man page was automatically generated from the DocBook source of the PLplot documentation, maintained by Alan W. Irwin and Rafael Laboissiere.
PLplot documentation at http://plplot.sourceforge.net/resources. February, 2012 PLSCOLBGA(3plplot)