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package ij.plugin;
import ij.*;
import ij.process.*;
/** This plugin implements the Image/Transform/Flip Z and
Image/Stacks/Tools/Reverse commands. */
public class StackReverser implements PlugIn {
public void run(String arg) {
ImagePlus imp = IJ.getImage();
if (imp.getStackSize()==1) {
IJ.error("Flip Z", "This command requires a stack");
return;
}
if (imp.isHyperStack()) {
IJ.error("Flip Z", "This command does not currently work with hyperstacks.");
return;
}
flipStack(imp);
}
public void flipStack(ImagePlus imp) {
ImageStack stack = imp.getStack();
int n = stack.getSize();
if (n==1)
return;
ImageStack stack2 = new ImageStack(imp.getWidth(), imp.getHeight(), n);
for (int i=1; i<=n; i++) {
stack2.setPixels(stack.getPixels(i), n-i+1);
stack2.setSliceLabel(stack.getSliceLabel(i), n-i+1);
}
stack2.setColorModel(stack.getColorModel());
imp.setStack(stack2);
if (imp.isComposite()) {
((CompositeImage)imp).reset();
imp.updateAndDraw();
}
}
}
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