float andmed[][]=new float[][]{
{1, 0, 0},
{0, 1, 0}, // uus roheline = 0*vana punane+1* vana roheline + 0*vana sinine
{0, 0, 1}
};
BandCombineOp bco=new BandCombineOp(
andmed, null
);
bco.filter(pilt1.getData(), pilt2.getRaster());