plgcolbga - Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT alpha transparency value

r (PLINT_NC_SCALAR(3plplot), output)
              Returned value of the red intensity in the range from 0 to 255.

       g (PLINT_NC_SCALAR(3plplot), output)
              Returned value of the green intensity in the range from 0 to 255.

       b (PLINT_NC_SCALAR(3plplot), output)
              Returned value of the blue intensity in the range from 0 to 255.

       alpha (PLFLT_NC_SCALAR(3plplot), output)
              Returned value of the alpha transparency in the range (0.0-1.0).

       Many  developers  (who are credited at http://plplot.org/credits.php) have contributed to PLplot over its
       long history.

       Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT alpha transparency value.

       This function is used in example 31.

plgcolbga - Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT alpha transparency value

       PLplot documentation at http://plplot.org/documentation.php.

                                                   July, 2025                                 PLGCOLBGA(3plplot)

plgcolbga(r, g, b, alpha)