The PLplot Plotting Library: Programmer's Reference Manual
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plgcol0: Returns 8-bit RGB values for given color from color map0

plgcol0 (icol0, r, g, b);

Returns 8-bit RGB values for given color from color map0 (see the section called Color Map0 in Chapter 3). Values are negative if an invalid color id is given.

icol0 (PLINT, input)

NEEDS DOCUMENTATION

r (PLINT *, output)

NEEDS DOCUMENTATION

g (PLINT *, output)

NEEDS DOCUMENTATION

b (PLINT *, output)

NEEDS DOCUMENTATION

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plgchr: Get character default height and current (scaled) heightUpplgcolbg: Returns the background color (cmap0[0]) by 8-bit RGB value