var a,b,c,d,High,Low:
TVec;
begin
CreateIt(a,b,c,d);
CreateIt(High,Low);
try
a.SetIt(False,[0,0,0,1,2,3,1,2,3]);
b.PixelDownSample(4,a);
High.Demultiplex(b,2,0);
Low.Demultiplex(b,2,1);
c.PixelDownSampleHigh(2,High);
//further downsample
d.PixelDownSampleLow(2,Low);
//further downsample
b.Size(2*c.Length);
b.Multiplex(c,2,0);
b.Multiplex(d,2,1);
//b now contains the same result, as if we would have called
//on the start:
b.PixelDownSample(2,a);
finally
FreeIt(a,b,c,d);
FreeIt(High,Low);
end;
end;
