1PLSCOLBGA(3plplot) PLplot API PLSCOLBGA(3plplot)
2
3
4
6 plscolbga - Set the background color by 8-bit RGB value and PLFLT alpha
7 transparency value.
8
10 plscolbga(r, g, b, alpha)
11
13 Set the background color (color 0 in cmap0) by 8-bit RGB value and
14 PLFLT alpha transparency value (see the PLplot documentation).
15
16 This function is used in example 31.
17
19 r (PLINT(3plplot), input)
20 Unsigned 8-bit integer (0-255) representing the degree of red in
21 the color.
22
23 g (PLINT(3plplot), input)
24 Unsigned 8-bit integer (0-255) representing the degree of green
25 in the color.
26
27 b (PLINT(3plplot), input)
28 Unsigned 8-bit integer (0-255) representing the degree of blue
29 in the color.
30
31 alpha (PLFLT(3plplot), input)
32 Value of the alpha transparency in the range (0.0-1.0).
33
34
36 Many developers (who are credited at http://plplot.source‐
37 forge.net/credits.php) have contributed to PLplot over its long his‐
38 tory.
39
41 PLplot documentation at http://plplot.sourceforge.net/documenta‐
42 tion.php.
43
44
45
46 August, 2017 PLSCOLBGA(3plplot)