DOKK / manpages / debian 12 / plplot-doc / plgcol0.3plplot.en
PLGCOL0(3plplot) PLplot API PLGCOL0(3plplot)

plgcol0 - Returns 8-bit RGB values for given color index from cmap0

plgcol0(icol0, r, g, b)

Returns 8-bit RGB values (0-255) for given color from cmap0 (see the PLplot documentation). Values are negative if an invalid color id is given.

Redacted form: plgcol0(icol0, r, g, b)

This function is used in example 2.

PLINT(3plplot), input)
Index of desired cmap0 color.
PLINT_NC_SCALAR(3plplot), output)
Returned value of the 8-bit red value.
PLINT_NC_SCALAR(3plplot), output)
Returned value of the 8-bit green value.
PLINT_NC_SCALAR(3plplot), output)
Returned value of the 8-bit blue value.

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

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

April, 2023