PLGCOL0A(3plplot) PLplot API PLGCOL0A(3plplot)
NAME
plgcol0a - Returns 8-bit RGB values and double alpha value for given color from color map0.
SYNOPSIS
plgcol0a(icol0, r, g, b, a)
DESCRIPTION
Returns 8-bit RGB values (0-255) and double alpha value (0.0 - 1.0) for given color from color map0 (see the PLplot documentation). Val-
ues are negative if an invalid color id is given.
This function is used in example 30.
ARGUMENTS
icol0 (PLINT, input)
Index of desired cmap0 color.
r (PLINT *, output)
Pointer to 8-bit red value.
g (PLINT *, output)
Pointer to 8-bit green value.
b (PLINT *, output)
Pointer to 8-bit blue value.
a (PLFLT *, output)
Pointer to PLFLT alpha value.
AUTHORS
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.
SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/resources.
August, 2012 PLGCOL0A(3plplot)
