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package ij.plugin;
import ij.*;
import ij.gui.*;
import ij.process.*;
import ij.plugin.*;
/** The plugin implements the Image/Stacks/Tools/Montage to Stack command.
It creates a w*h image stack from an wxh image montage.
This is the opposite of what the "Make Montage" command does.
2010.04.20,TF: Final stack can be cropped to remove border around frames.
*/
public class StackMaker implements PlugIn {
private static int w=2, h=2, b=0;
public void run(String arg) {
ImagePlus imp = WindowManager.getCurrentImage();
if (imp==null)
{IJ.noImage(); return;}
if (imp.getStackSize()>1)
{IJ.error("This command requires a montage"); return;}
GenericDialog gd = new GenericDialog("Stack Maker");
gd.addNumericField("Images_per_row: ", w, 0);
gd.addNumericField("Images_per_column: ", h, 0);
gd.addNumericField("Border width: ", b, 0);
gd.showDialog();
if (gd.wasCanceled())
return;
w = (int)gd.getNextNumber();
h = (int)gd.getNextNumber();
b = (int)gd.getNextNumber();
ImageStack stack = makeStack(imp.getProcessor(), w, h, b);
new ImagePlus("Stack", stack).show();
}
public ImageStack makeStack(ImageProcessor ip, int w, int h, int b) {
int stackSize = w*h;
int width = ip.getWidth()/w;
int height = ip.getHeight()/h;
ImageStack stack = new ImageStack(width, height);
for (int y=0; y<h; y++)
for (int x=0; x<w; x++) {
ip.setRoi(x*width, y*height, width, height);
stack.addSlice(null, ip.crop());
}
if (b>0) {
int cropwidth = width-b-b/2;
int cropheight = height-b-b/2;
StackProcessor sp = new StackProcessor(stack,ip);
stack = sp.crop(b, b, cropwidth, cropheight);
}
return stack;
}
}
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