// macro generated Lookup Table 

if (bitDepth==24) exit ("Cannot apply LUT to RGB image");
getLut(r,g,b);
for (i=0;i<r.length;i++) {
		r[i]=i;
		g[i]=128*(sin(3*2*PI*i/255)+1)-1;
		b[i]=128*(sin(2*PI*i/255)+1)-1;
}
setLut(r,g,b);