plgcol0a(3plplot) debian man page | unix.com

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)