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ImageJ is an open source Java image processing program inspired by NIH Image for the Macintosh.

There is a newer version: 1.54p

package ij.plugin;

import java.awt.*;
import java.io.*;
import ij.*;
import ij.io.*;

/** This plugin implements the File/Import/Raw command. */
public class Raw implements PlugIn {

	private static String defaultDirectory = null;

	public void run(String arg) {
		OpenDialog od = new OpenDialog("Open Raw...", arg);
		String directory = od.getDirectory();
		String fileName = od.getFileName();
		if (fileName==null)
			return;
		ImportDialog d = new ImportDialog(fileName, directory);
		d.openImage();
	}

	/** Opens the image at 'filePath' using the format specified by 'fi'. */
	public static ImagePlus open(String filePath, FileInfo fi) {
		File f = new File(filePath);
		String parent = f.getParent();
		if (parent!=null)
			fi.directory = parent+ "/";
		fi.fileName = f.getName();
		return (new FileOpener(fi)).open(false);
	}	


	/** Opens all the images in the specified directory as a stack,
		using the format specified by 'fi'. */
	public static ImagePlus openAll(String directory, FileInfo fi) {
		ImagePlus imp = openAllVirtual(directory,fi);
		if (imp!=null)
			return imp.duplicate();
		else
			return null;
	}	

	/** Opens all the images in the specified directory as a virtual stack,
		using the format specified by 'fi'. */
	public static ImagePlus openAllVirtual(String directory, FileInfo fi) {
		String[] list = new File(directory).list();
		if (list==null)
			return null;
		FolderOpener fo = new FolderOpener();
		list = fo.trimFileList(list);
		list = fo.sortFileList(list);
		if (list==null)
			return null;
		directory = IJ.addSeparator(directory);
		FileInfo[] info = new FileInfo[list.length];
		for (int i=0; i