void write16BitVirtualStack(OutputStream out, VirtualStack virtualStack) throws IOException {
showProgressBar = false;
boolean flip = "FlipTheseImages".equals(fi.fileName);
for (int i = 1; i <= fi.nImages; i++) {
IJ.showStatus("Writing: " + i + "/" + fi.nImages);
ImageProcessor ip = virtualStack.getProcessor(i);
if (flip) ip.flipVertical();
short[] pixels = (short[]) ip.getPixels();
write16BitImage(out, pixels);
IJ.showProgress((double) i / fi.nImages);
}
}