public virtual void write(System.IO.Stream raf)
{
byte[] xb = ICCProfile.setLong(x);
byte[] yb = ICCProfile.setLong(y);
byte[] zb = ICCProfile.setLong(z);
// CONVERSION PROBLEM?
raf.Write(xb, ICCProfile.int_size, 0);
raf.Write(yb, ICCProfile.int_size, 0);
raf.Write(zb, ICCProfile.int_size, 0);
}