Exemple #1
0
  public boolean beadCalibration3d() {
    imp = IJ.getImage();
    if (imp == null) {
      IJ.noImage();
      return false;
    } else if (imp.getStackSize() == 1) {
      IJ.error("Stack required");
      return false;
    } else if (imp.getType() != ImagePlus.GRAY8 && imp.getType() != ImagePlus.GRAY16) {
      // In order to support 32bit images, pict[] must be changed to float[], and  getPixel(x, y);
      // requires a Float.intBitsToFloat() conversion
      IJ.error("8 or 16 bit greyscale image required");
      return false;
    }
    width = imp.getWidth();
    height = imp.getHeight();
    nslices = imp.getStackSize();
    imtitle = imp.getTitle();

    models[0] = "*None*";
    models[1] = "line";
    models[2] = "2nd degree polynomial";
    models[3] = "3rd degree polynomial";
    models[4] = "4th degree polynomial";

    GenericDialog gd = new GenericDialog("3D PALM calibration");
    gd.addNumericField("Maximum FWHM (in px)", prefs.get("QuickPALM.3Dcal_fwhm", 20), 0);
    gd.addNumericField(
        "Particle local threshold (% maximum intensity)", prefs.get("QuickPALM.pthrsh", 20), 0);
    gd.addNumericField("Z-spacing (nm)", prefs.get("QuickPALM.z-step", 10), 2);
    gd.addNumericField("Calibration Z-smoothing (radius)", prefs.get("QuickPALM.window", 1), 0);
    gd.addChoice("Model", models, prefs.get("QuickPALM.model", models[3]));
    gd.addCheckbox(
        "Show divergence of bead positions against model",
        prefs.get("QuickPALM.3Dcal_showDivergence", false));
    gd.addCheckbox("Show extra particle info", prefs.get("QuickPALM.3Dcal_showExtraInfo", false));
    gd.addMessage("\n\nDon't forget to save the table in the end...");
    gd.showDialog();
    if (gd.wasCanceled()) return false;
    fwhm = gd.getNextNumber();
    prefs.set("QuickPALM.QuickPALM.3Dcal_fwhm", fwhm);
    pthrsh = gd.getNextNumber() / 100;
    prefs.set("QuickPALM.pthrsh", pthrsh * 100);
    cal_z = gd.getNextNumber();
    prefs.set("QuickPALM.z-step", cal_z);
    window = (int) gd.getNextNumber();
    prefs.set("QuickPALM.window", window);
    model = gd.getNextChoice();
    prefs.set("QuickPALM.model", model);
    part_divergence = gd.getNextBoolean();
    prefs.set("QuickPALM.3Dcal_showDivergence", part_divergence);
    part_extrainfo = gd.getNextBoolean();
    prefs.set("QuickPALM.3Dcal_showExtraInfo", part_extrainfo);
    return true;
  }
Exemple #2
0
  public void run(String arg) {
    int[] wList = WindowManager.getIDList();
    if (wList == null) {
      IJ.error("No images are open.");
      return;
    }

    double thalf = 0.5;
    boolean keep;

    GenericDialog gd = new GenericDialog("Bleach correction");

    gd.addNumericField("t½:", thalf, 1);
    gd.addCheckbox("Keep source stack:", true);
    gd.showDialog();
    if (gd.wasCanceled()) return;

    long start = System.currentTimeMillis();
    thalf = gd.getNextNumber();
    keep = gd.getNextBoolean();
    if (keep) IJ.run("Duplicate...", "title='Bleach corrected' duplicate");
    ImagePlus imp1 = WindowManager.getCurrentImage();
    int d1 = imp1.getStackSize();
    double v1, v2;
    int width = imp1.getWidth();
    int height = imp1.getHeight();
    ImageProcessor ip1, ip2, ip3;

    int slices = imp1.getStackSize();
    ImageStack stack1 = imp1.getStack();
    ImageStack stack2 = imp1.getStack();
    int currentSlice = imp1.getCurrentSlice();

    for (int n = 1; n <= slices; n++) {
      ip1 = stack1.getProcessor(n);
      ip3 = stack1.getProcessor(1);
      ip2 = stack2.getProcessor(n);
      for (int x = 0; x < width; x++) {
        for (int y = 0; y < height; y++) {
          v1 = ip1.getPixelValue(x, y);
          v2 = ip3.getPixelValue(x, y);

          // =B8/(EXP(-C$7*A8))
          v1 = (v1 / Math.exp(-n * thalf));
          ip2.putPixelValue(x, y, v1);
        }
      }
      IJ.showProgress((double) n / slices);
      IJ.showStatus(n + "/" + slices);
    }

    // stack2.show();
    imp1.updateAndDraw();
  }
Exemple #3
0
 /**
  * Called by the PlugInFilterRunner after setup. Asks the user in case of a stack and prepares a
  * separate ouptut stack if required
  */
 public int showDialog(ImagePlus imp, String command, PlugInFilterRunner pfr) {
   this.pfr = pfr;
   int width = imp.getWidth();
   int height = imp.getHeight();
   // ask whether to process all slices of stack & prepare stack
   // (if required) for writing into it in parallel threads
   flags = IJ.setupDialog(imp, flags);
   if ((flags & DOES_STACKS) != 0 && outImageType != BYTE_OVERWRITE) {
     outStack = new ImageStack(width, height, imp.getStackSize());
     maxFinder.setNPasses(imp.getStackSize());
   }
   return flags;
 } // public int showDialog
Exemple #4
0
 private boolean ignoreArrowKeys(ImagePlus imp) {
   Frame frame = WindowManager.getFrontWindow();
   String title = frame.getTitle();
   if (title != null && title.equals("ROI Manager")) return true;
   // Control Panel?
   if (frame != null && frame instanceof javax.swing.JFrame) return true;
   ImageWindow win = imp.getWindow();
   // LOCI Data Browser window?
   if (imp.getStackSize() > 1 && win != null && win.getClass().getName().startsWith("loci"))
     return true;
   return false;
 }
Exemple #5
0
 // at the very end - show output image (if the is a separate one)
 private void showOutput() {
   if (interrupted) return;
   if (outStack != null) {
     outImp = new ImagePlus(TITLE_PREFIX[processType] + imp.getShortTitle(), outStack);
     int[] d = imp.getDimensions();
     outImp.setDimensions(d[2], d[3], d[4]);
     for (int i = 1; i <= imp.getStackSize(); i++)
       outStack.setSliceLabel(imp.getStack().getSliceLabel(i), i);
   }
   if (outImageType != BYTE_OVERWRITE) {
     ImageProcessor ip = outImp.getProcessor();
     if (!Prefs.blackBackground) ip.invertLut();
     ip.resetMinAndMax();
     outImp.show();
   }
 }
  /**
   * Execute the plugin functionality: duplicate and scale the given image.
   *
   * @return an Object[] array with the name and the scaled ImagePlus. Does NOT show the new, image;
   *     just returns it.
   */
  public Object[] exec(
      ImagePlus imp, String myMethod, int radius, double par1, double par2, boolean doIwhite) {

    // 0 - Check validity of parameters
    if (null == imp) return null;
    ImageProcessor ip = imp.getProcessor();
    int xe = ip.getWidth();
    int ye = ip.getHeight();

    // int [] data = (ip.getHistogram());

    IJ.showStatus("Thresholding...");
    long startTime = System.currentTimeMillis();
    // 1 Do it
    if (imp.getStackSize() == 1) {
      ip.snapshot();
      Undo.setup(Undo.FILTER, imp);
    }
    // Apply the selected algorithm
    if (myMethod.equals("Bernsen")) {
      Bernsen(imp, radius, par1, par2, doIwhite);
    } else if (myMethod.equals("Contrast")) {
      Contrast(imp, radius, par1, par2, doIwhite);
    } else if (myMethod.equals("Mean")) {
      Mean(imp, radius, par1, par2, doIwhite);
    } else if (myMethod.equals("Median")) {
      Median(imp, radius, par1, par2, doIwhite);
    } else if (myMethod.equals("MidGrey")) {
      MidGrey(imp, radius, par1, par2, doIwhite);
    } else if (myMethod.equals("Niblack")) {
      Niblack(imp, radius, par1, par2, doIwhite);
    } else if (myMethod.equals("Otsu")) {
      Otsu(imp, radius, par1, par2, doIwhite);
    } else if (myMethod.equals("Phansalkar")) {
      Phansalkar(imp, radius, par1, par2, doIwhite);
    } else if (myMethod.equals("Sauvola")) {
      Sauvola(imp, radius, par1, par2, doIwhite);
    }
    // IJ.showProgress((double)(255-i)/255);
    imp.updateAndDraw();
    imp.getProcessor().setThreshold(255, 255, ImageProcessor.NO_LUT_UPDATE);
    // 2 - Return the threshold and the image
    IJ.showStatus("\nDone " + (System.currentTimeMillis() - startTime) / 1000.0);
    return new Object[] {imp};
  }
 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();
 }
Exemple #8
0
  public void keyPressed(KeyEvent e) {
    // if (e.isConsumed()) return;
    int keyCode = e.getKeyCode();
    IJ.setKeyDown(keyCode);
    hotkey = false;
    if (keyCode == KeyEvent.VK_CONTROL || keyCode == KeyEvent.VK_SHIFT) return;
    char keyChar = e.getKeyChar();
    int flags = e.getModifiers();
    if (IJ.debugMode)
      IJ.log(
          "keyPressed: code="
              + keyCode
              + " ("
              + KeyEvent.getKeyText(keyCode)
              + "), char=\""
              + keyChar
              + "\" ("
              + (int) keyChar
              + "), flags="
              + KeyEvent.getKeyModifiersText(flags));
    boolean shift = (flags & KeyEvent.SHIFT_MASK) != 0;
    boolean control = (flags & KeyEvent.CTRL_MASK) != 0;
    boolean alt = (flags & KeyEvent.ALT_MASK) != 0;
    boolean meta = (flags & KeyEvent.META_MASK) != 0;
    String cmd = null;
    ImagePlus imp = WindowManager.getCurrentImage();
    boolean isStack = (imp != null) && (imp.getStackSize() > 1);

    if (imp != null
        && !control
        && ((keyChar >= 32 && keyChar <= 255) || keyChar == '\b' || keyChar == '\n')) {
      Roi roi = imp.getRoi();
      if (roi instanceof TextRoi) {
        if ((flags & KeyEvent.META_MASK) != 0 && IJ.isMacOSX()) return;
        if (alt) {
          switch (keyChar) {
            case 'u':
            case 'm':
              keyChar = IJ.micronSymbol;
              break;
            case 'A':
              keyChar = IJ.angstromSymbol;
              break;
            default:
          }
        }
        ((TextRoi) roi).addChar(keyChar);
        return;
      }
    }

    // Handle one character macro shortcuts
    if (!control && !meta) {
      Hashtable macroShortcuts = Menus.getMacroShortcuts();
      if (macroShortcuts.size() > 0) {
        if (shift) cmd = (String) macroShortcuts.get(new Integer(keyCode + 200));
        else cmd = (String) macroShortcuts.get(new Integer(keyCode));
        if (cmd != null) {
          // MacroInstaller.runMacroCommand(cmd);
          commandName = cmd;
          MacroInstaller.runMacroShortcut(cmd);
          return;
        }
      }
    }

    if ((!Prefs.requireControlKey || control || meta) && keyChar != '+') {
      Hashtable shortcuts = Menus.getShortcuts();
      if (shift) cmd = (String) shortcuts.get(new Integer(keyCode + 200));
      else cmd = (String) shortcuts.get(new Integer(keyCode));
    }

    if (cmd == null) {
      switch (keyChar) {
        case '<':
        case ',':
          if (isStack) cmd = "Previous Slice [<]";
          break;
        case '>':
        case '.':
        case ';':
          if (isStack) cmd = "Next Slice [>]";
          break;
        case '+':
        case '=':
          cmd = "In [+]";
          break;
        case '-':
          cmd = "Out [-]";
          break;
        case '/':
          cmd = "Reslice [/]...";
          break;
        default:
      }
    }

    if (cmd == null) {
      switch (keyCode) {
        case KeyEvent.VK_TAB:
          WindowManager.putBehind();
          return;
        case KeyEvent.VK_BACK_SPACE: // delete
          if (deleteOverlayRoi(imp)) return;
          cmd = "Clear";
          hotkey = true;
          break;
          // case KeyEvent.VK_BACK_SLASH: cmd=IJ.altKeyDown()?"Animation Options...":"Start
          // Animation"; break;
        case KeyEvent.VK_EQUALS:
          cmd = "In [+]";
          break;
        case KeyEvent.VK_MINUS:
          cmd = "Out [-]";
          break;
        case KeyEvent.VK_SLASH:
        case 0xbf:
          cmd = "Reslice [/]...";
          break;
        case KeyEvent.VK_COMMA:
        case 0xbc:
          if (isStack) cmd = "Previous Slice [<]";
          break;
        case KeyEvent.VK_PERIOD:
        case 0xbe:
          if (isStack) cmd = "Next Slice [>]";
          break;
        case KeyEvent.VK_LEFT:
        case KeyEvent.VK_RIGHT:
        case KeyEvent.VK_UP:
        case KeyEvent.VK_DOWN: // arrow keys
          if (imp == null) return;
          Roi roi = imp.getRoi();
          if (IJ.shiftKeyDown() && imp == Orthogonal_Views.getImage()) return;
          boolean stackKey = imp.getStackSize() > 1 && (roi == null || IJ.shiftKeyDown());
          boolean zoomKey = roi == null || IJ.shiftKeyDown() || IJ.controlKeyDown();
          if (stackKey && keyCode == KeyEvent.VK_RIGHT) cmd = "Next Slice [>]";
          else if (stackKey && keyCode == KeyEvent.VK_LEFT) cmd = "Previous Slice [<]";
          else if (zoomKey
              && keyCode == KeyEvent.VK_DOWN
              && !ignoreArrowKeys(imp)
              && Toolbar.getToolId() < Toolbar.SPARE6) cmd = "Out [-]";
          else if (zoomKey
              && keyCode == KeyEvent.VK_UP
              && !ignoreArrowKeys(imp)
              && Toolbar.getToolId() < Toolbar.SPARE6) cmd = "In [+]";
          else if (roi != null) {
            if ((flags & KeyEvent.ALT_MASK) != 0) roi.nudgeCorner(keyCode);
            else roi.nudge(keyCode);
            return;
          }
          break;
        case KeyEvent.VK_ESCAPE:
          abortPluginOrMacro(imp);
          return;
        case KeyEvent.VK_ENTER:
          WindowManager.toFront(this);
          return;
        default:
          break;
      }
    }

    if (cmd != null && !cmd.equals("")) {
      commandName = cmd;
      if (cmd.equals("Fill") || cmd.equals("Draw")) hotkey = true;
      if (cmd.charAt(0) == MacroInstaller.commandPrefix) MacroInstaller.runMacroShortcut(cmd);
      else {
        doCommand(cmd);
        keyPressedTime = System.currentTimeMillis();
        lastKeyCommand = cmd;
      }
    }
  }
  /** Ask for parameters and then execute. */
  public void run(String arg) {
    // 1 - Obtain the currently active image:
    ImagePlus imp = IJ.getImage();

    if (null == imp) {
      IJ.showMessage("There must be at least one image open");
      return;
    }

    if (imp.getBitDepth() != 8) {
      IJ.showMessage("Error", "Only 8-bit images are supported");
      return;
    }

    // 2 - Ask for parameters:
    GenericDialog gd = new GenericDialog("Auto Local Threshold");
    String[] methods = {
      "Try all",
      "Bernsen",
      "Contrast",
      "Mean",
      "Median",
      "MidGrey",
      "Niblack",
      "Otsu",
      "Phansalkar",
      "Sauvola"
    };
    gd.addMessage("Auto Local Threshold v1.5");
    gd.addChoice("Method", methods, methods[0]);
    gd.addNumericField("Radius", 15, 0);
    gd.addMessage("Special paramters (if different from default)");
    gd.addNumericField("Parameter_1", 0, 0);
    gd.addNumericField("Parameter_2", 0, 0);
    gd.addCheckbox("White objects on black background", true);
    if (imp.getStackSize() > 1) {
      gd.addCheckbox("Stack", false);
    }
    gd.addMessage("Thresholded result is always shown in white [255].");
    gd.showDialog();
    if (gd.wasCanceled()) return;

    // 3 - Retrieve parameters from the dialog
    String myMethod = gd.getNextChoice();
    int radius = (int) gd.getNextNumber();
    double par1 = (double) gd.getNextNumber();
    double par2 = (double) gd.getNextNumber();
    boolean doIwhite = gd.getNextBoolean();
    boolean doIstack = false;

    int stackSize = imp.getStackSize();
    if (stackSize > 1) doIstack = gd.getNextBoolean();

    // 4 - Execute!
    // long start = System.currentTimeMillis();
    if (myMethod.equals("Try all")) {
      ImageProcessor ip = imp.getProcessor();
      int xe = ip.getWidth();
      int ye = ip.getHeight();
      int ml = methods.length;
      ImagePlus imp2, imp3;
      ImageStack tstack = null, stackNew;
      if (stackSize > 1 && doIstack) {
        boolean doItAnyway = true;
        if (stackSize > 25) {
          YesNoCancelDialog d =
              new YesNoCancelDialog(
                  IJ.getInstance(),
                  "Auto Local Threshold",
                  "You might run out of memory.\n \nDisplay "
                      + stackSize
                      + " slices?\n \n \'No\' will process without display and\noutput results to the log window.");
          if (!d.yesPressed()) {
            //						doIlog=true; //will show in the log window
            doItAnyway = false;
          }
          if (d.cancelPressed()) return;
        }

        for (int j = 1; j <= stackSize; j++) {
          imp.setSlice(j);
          ip = imp.getProcessor();
          tstack = new ImageStack(xe, ye);
          for (int k = 1; k < ml; k++) tstack.addSlice(methods[k], ip.duplicate());
          imp2 = new ImagePlus("Auto Threshold", tstack);
          imp2.updateAndDraw();

          for (int k = 1; k < ml; k++) {
            imp2.setSlice(k);
            Object[] result = exec(imp2, methods[k], radius, par1, par2, doIwhite);
          }
          // if (doItAnyway){
          CanvasResizer cr = new CanvasResizer();
          stackNew = cr.expandStack(tstack, (xe + 2), (ye + 18), 1, 1);
          imp3 = new ImagePlus("Auto Threshold", stackNew);
          imp3.updateAndDraw();
          MontageMaker mm = new MontageMaker();
          mm.makeMontage(imp3, 3, 3, 1.0, 1, (ml - 1), 1, 0, true); // 3 columns and 3 rows
        }
        imp.setSlice(1);
        // if (doItAnyway)
        IJ.run("Images to Stack", "method=[Copy (center)] title=Montage");
        return;
      } else { // single image try all
        tstack = new ImageStack(xe, ye);
        for (int k = 1; k < ml; k++) tstack.addSlice(methods[k], ip.duplicate());
        imp2 = new ImagePlus("Auto Threshold", tstack);
        imp2.updateAndDraw();

        for (int k = 1; k < ml; k++) {
          imp2.setSlice(k);
          // IJ.log("analyzing slice with "+methods[k]);
          Object[] result = exec(imp2, methods[k], radius, par1, par2, doIwhite);
        }
        // imp2.setSlice(1);
        CanvasResizer cr = new CanvasResizer();
        stackNew = cr.expandStack(tstack, (xe + 2), (ye + 18), 1, 1);
        imp3 = new ImagePlus("Auto Threshold", stackNew);
        imp3.updateAndDraw();
        MontageMaker mm = new MontageMaker();
        mm.makeMontage(imp3, 3, 3, 1.0, 1, (ml - 1), 1, 0, true);
        return;
      }
    } else { // selected a method
      if (stackSize > 1 && doIstack) { // whole stack
        //				if (doIstackHistogram) {// one global histogram
        //					Object[] result = exec(imp, myMethod, noWhite, noBlack, doIwhite, doIset, doIlog,
        // doIstackHistogram );
        //				}
        //				else{ // slice by slice
        for (int k = 1; k <= stackSize; k++) {
          imp.setSlice(k);
          Object[] result = exec(imp, myMethod, radius, par1, par2, doIwhite);
        }
        //				}
        imp.setSlice(1);
      } else { // just one slice
        Object[] result = exec(imp, myMethod, radius, par1, par2, doIwhite);
      }
      // 5 - If all went well, show the image:
      // not needed here as the source image is binarised
    }
  }
    ImageProcessor setup(ImagePlus imp) {

      ImageProcessor ip;
      int type = imp.getType();
      if (type != ImagePlus.COLOR_RGB) return null;
      ip = imp.getProcessor();
      int id = imp.getID();
      int slice = imp.getCurrentSlice();

      if ((id != previousImageID) | (slice != previousSlice) | (flag)) {
        flag = false; // if true, flags a change from HSB to RGB or viceversa
        numSlices = imp.getStackSize();
        stack = imp.getStack();
        width = stack.getWidth();
        height = stack.getHeight();
        numPixels = width * height;

        hSource = new byte[numPixels];
        sSource = new byte[numPixels];
        bSource = new byte[numPixels];

        // restore = (int[])ip.getPixelsCopy(); //This runs into trouble sometimes, so do it the
        // long way:
        int[] temp = (int[]) ip.getPixels();
        restore = new int[numPixels];
        for (int i = 0; i < numPixels; i++) restore[i] = temp[i];

        fillMask = new int[numPixels];

        // Get hsb or rgb from image.
        ColorProcessor cp = (ColorProcessor) ip;
        IJ.showStatus("Gathering data");

        if (isRGB) cp.getRGB(hSource, sSource, bSource);
        else cp.getHSB(hSource, sSource, bSource);

        IJ.showStatus("done");

        // Create a spectrum ColorModel for the Hue histogram plot.
        Color c;
        byte[] reds = new byte[256];
        byte[] greens = new byte[256];
        byte[] blues = new byte[256];
        for (int i = 0; i < 256; i++) {
          c = Color.getHSBColor(i / 255f, 1f, 1f);

          reds[i] = (byte) c.getRed();
          greens[i] = (byte) c.getGreen();
          blues[i] = (byte) c.getBlue();
        }
        ColorModel cm = new IndexColorModel(8, 256, reds, greens, blues);

        // Make an image with just the hue from the RGB image and the spectrum LUT.
        // This is just for a hue histogram for the plot.  Do not show it.
        // ByteProcessor bpHue = new ByteProcessor(width,height,h,cm);
        ByteProcessor bpHue = new ByteProcessor(width, height, hSource, cm);
        ImagePlus impHue = new ImagePlus("Hue", bpHue);
        // impHue.show();

        ByteProcessor bpSat = new ByteProcessor(width, height, sSource, cm);
        ImagePlus impSat = new ImagePlus("Sat", bpSat);
        // impSat.show();

        ByteProcessor bpBri = new ByteProcessor(width, height, bSource, cm);
        ImagePlus impBri = new ImagePlus("Bri", bpBri);
        // impBri.show();

        plot.setHistogram(impHue, 0);
        splot.setHistogram(impSat, 1);
        bplot.setHistogram(impBri, 2);

        updateLabels();
        updatePlot();
        updateScrollBars();
        imp.updateAndDraw();
      }
      previousImageID = id;
      previousSlice = slice;
      return ip;
    }
Exemple #11
0
 public void itemStateChanged(ItemEvent e) {
   ImagePlus imp = WindowManager.getCurrentImage();
   if (imp == null) return;
   if (!imp.isComposite()) {
     int channels = imp.getNChannels();
     if (channels == 1 && imp.getStackSize() <= 4) channels = imp.getStackSize();
     if (imp.getBitDepth() == 24 || (channels > 1 && channels < CompositeImage.MAX_CHANNELS)) {
       GenericDialog gd = new GenericDialog(imp.getTitle());
       gd.addMessage("Convert to multi-channel composite image?");
       gd.showDialog();
       if (gd.wasCanceled()) return;
       else IJ.doCommand("Make Composite");
     } else {
       IJ.error(
           "Channels",
           "A composite image is required (e.g., "
               + moreLabel
               + " Open HeLa Cells),\nor create one using "
               + moreLabel
               + " Make Composite.");
       return;
     }
   }
   if (!imp.isComposite()) return;
   CompositeImage ci = (CompositeImage) imp;
   Object source = e.getSource();
   if (source == choice) {
     int index = ((Choice) source).getSelectedIndex();
     switch (index) {
       case 0:
         ci.setMode(IJ.COMPOSITE);
         break;
       case 1:
         ci.setMode(IJ.COLOR);
         break;
       case 2:
         ci.setMode(IJ.GRAYSCALE);
         break;
     }
     ci.updateAndDraw();
     if (Recorder.record) {
       String mode = null;
       switch (index) {
         case 0:
           mode = "composite";
           break;
         case 1:
           mode = "color";
           break;
         case 2:
           mode = "grayscale";
           break;
       }
       Recorder.record("Stack.setDisplayMode", mode);
     }
   } else if (source instanceof Checkbox) {
     for (int i = 0; i < checkbox.length; i++) {
       Checkbox cb = (Checkbox) source;
       if (cb == checkbox[i]) {
         if (ci.getMode() == IJ.COMPOSITE) {
           boolean[] active = ci.getActiveChannels();
           active[i] = cb.getState();
           if (Recorder.record) {
             String str = "";
             for (int c = 0; c < ci.getNChannels(); c++) str += active[c] ? "1" : "0";
             Recorder.record("Stack.setActiveChannels", str);
             Recorder.record("//Stack.toggleChannel", imp.getChannel());
           }
         } else {
           imp.setPosition(i + 1, imp.getSlice(), imp.getFrame());
           if (Recorder.record) Recorder.record("Stack.setChannel", i + 1);
         }
         ci.updateAndDraw();
         return;
       }
     }
   }
 }