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.TH PLSCOLBGA 3plplot  "February, 2014" "" "PLplot API"
.SH NAME
\fBplscolbga\fP - Set the background color by 8-bit RGB value and double alpha transparency value. 
.SH SYNOPSIS
\fBplscolbga\fP(\fIr\fP, \fIg\fP, \fIb\fP, \fIalpha\fP)
.SH DESCRIPTION

.P
Set the background color (color 0 in color map 0) by 8-bit RGB value (see the PLplot documentation) and double alpha transparency value. 
.P
This function is used in example 31. 
.SH ARGUMENTS
.TP
\fIr\fP (PLINT, input) 
Unsigned 8-bit integer (0-255) representing the degree of red in the color. 
.TP
\fIg\fP (PLINT, input) 
Unsigned 8-bit integer (0-255) representing the degree of green in the color. 
.TP
\fIb\fP (PLINT, input) 
Unsigned 8-bit integer (0-255) representing the degree of blue in the color. 
.TP
\fIalpha\fP (PLFLT, input) 
double value (0.0-1.0) representing the alpha transparency value of the color. 

.SH AUTHORS
Many developers (who are credited at http://plplot.sourceforge.net/credits.php)
have contributed to PLplot over its long history.
.SH SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/documentation.php.
