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NAME

       im_bandmean - average bands in an image

SYNOPSIS

       #include <vips/vips.h>

       int im_bandmean( in, out )
       IMAGE *in, *out;

DESCRIPTION

       im_bandmean(3)  writes a one-band image where each pixel is the average
       of the bands for that pixel in the input image. The output band  format
       is the same as the input band format.

       Any size, any number of bands, any type.

RETURN VALUE

       The function returns 0 on success and -1 on error.

SEE ALSO

       im_add(3), im_mean(3), im_recomb(3)

                                 18 July 2007