/** Handle menu events. */
public void actionPerformed(ActionEvent e) {
if ((e.getSource() instanceof MenuItem)) {
MenuItem item = (MenuItem) e.getSource();
String cmd = e.getActionCommand();
commandName = cmd;
ImagePlus imp = null;
if (item.getParent() == Menus.getOpenRecentMenu()) {
new RecentOpener(cmd); // open image in separate thread
return;
} else if (item.getParent() == Menus.getPopupMenu()) {
Object parent = Menus.getPopupMenu().getParent();
if (parent instanceof ImageCanvas) imp = ((ImageCanvas) parent).getImage();
}
int flags = e.getModifiers();
hotkey = false;
actionPerformedTime = System.currentTimeMillis();
long ellapsedTime = actionPerformedTime - keyPressedTime;
if (cmd != null && (ellapsedTime >= 200L || !cmd.equals(lastKeyCommand))) {
if ((flags & Event.ALT_MASK) != 0) IJ.setKeyDown(KeyEvent.VK_ALT);
if ((flags & Event.SHIFT_MASK) != 0) IJ.setKeyDown(KeyEvent.VK_SHIFT);
new Executer(cmd, imp);
}
lastKeyCommand = null;
if (IJ.debugMode) IJ.log("actionPerformed: time=" + ellapsedTime + ", " + e);
}
}
/**
* 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) {
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();
}
public class Grid_ implements PlugIn, DialogListener {
private static String[] colors = {
"Red", "Green", "Blue", "Magenta", "Cyan", "Yellow", "Orange", "Black", "White"
};
private static String color = "Cyan";
private static String[] types = {"Lines", "Crosses", "Points", "None"};
private static String type = types[0];
private static double areaPerPoint;
private static boolean randomOffset;
private Random random = new Random(System.currentTimeMillis());
private ImagePlus imp;
private double tileWidth, tileHeight;
private int xstart, ystart;
private int linesV, linesH;
private double pixelWidth = 1.0, pixelHeight = 1.0;
private String units = "pixels";
public void run(String arg) {
imp = IJ.getImage();
showDialog();
}
void drawPoints() {
int one = 1;
int two = 2;
GeneralPath path = new GeneralPath();
for (int h = 0; h < linesV; h++) {
for (int v = 0; v < linesH; v++) {
float x = (float) (xstart + h * tileWidth);
float y = (float) (ystart + v * tileHeight);
path.moveTo(x - two, y - one);
path.lineTo(x - two, y + one);
path.moveTo(x + two, y - one);
path.lineTo(x + two, y + one);
path.moveTo(x - one, y - two);
path.lineTo(x + one, y - two);
path.moveTo(x - one, y + two);
path.lineTo(x + one, y + two);
}
}
showGrid(path);
}
void drawCrosses() {
GeneralPath path = new GeneralPath();
float arm = 5;
for (int h = 0; h < linesV; h++) {
for (int v = 0; v < linesH; v++) {
float x = (float) (xstart + h * tileWidth);
float y = (float) (ystart + v * tileHeight);
path.moveTo(x - arm, y);
path.lineTo(x + arm, y);
path.moveTo(x, y - arm);
path.lineTo(x, y + arm);
}
}
showGrid(path);
}
void showGrid(Shape shape) {
ImageCanvas ic = imp.getCanvas();
if (ic == null) return;
if (shape == null) ic.setDisplayList(null);
else ic.setDisplayList(shape, getColor(), null);
}
void drawLines() {
GeneralPath path = new GeneralPath();
int width = imp.getWidth();
int height = imp.getHeight();
for (int i = 0; i < linesV; i++) {
float xoff = (float) (xstart + i * tileWidth);
path.moveTo(xoff, 0f);
path.lineTo(xoff, height);
}
for (int i = 0; i < linesH; i++) {
float yoff = (float) (ystart + i * tileHeight);
path.moveTo(0f, yoff);
path.lineTo(width, yoff);
}
showGrid(path);
}
void showDialog() {
int width = imp.getWidth();
int height = imp.getHeight();
Calibration cal = imp.getCalibration();
int places;
if (cal.scaled()) {
pixelWidth = cal.pixelWidth;
pixelHeight = cal.pixelHeight;
units = cal.getUnits();
places = 2;
} else {
pixelWidth = 1.0;
pixelHeight = 1.0;
units = "pixels";
places = 0;
}
if (areaPerPoint == 0.0)
areaPerPoint =
(width * cal.pixelWidth * height * cal.pixelHeight) / 81.0; // default to 9x9 grid
ImageWindow win = imp.getWindow();
GenericDialog gd = new GenericDialog("Grid...");
gd.addChoice("Grid Type:", types, type);
gd.addNumericField("Area per Point:", areaPerPoint, places, 6, units + "^2");
gd.addChoice("Color:", colors, color);
gd.addCheckbox("Random Offset", randomOffset);
gd.addDialogListener(this);
gd.showDialog();
if (gd.wasCanceled()) showGrid(null);
}
public boolean dialogItemChanged(GenericDialog gd, AWTEvent e) {
int width = imp.getWidth();
int height = imp.getHeight();
type = gd.getNextChoice();
areaPerPoint = gd.getNextNumber();
color = gd.getNextChoice();
randomOffset = gd.getNextBoolean();
double minArea = (width * height) / 50000.0;
if (type.equals(types[1]) && minArea < 144.0) minArea = 144.0;
else if (minArea < 16) minArea = 16.0;
if (areaPerPoint / (pixelWidth * pixelHeight) < minArea) {
String err = "\"Area per Point\" too small";
if (gd.wasOKed()) IJ.error("Grid", err);
else IJ.showStatus(err);
return true;
}
double tileSize = Math.sqrt(areaPerPoint);
tileWidth = tileSize / pixelWidth;
tileHeight = tileSize / pixelHeight;
if (randomOffset) {
xstart = (int) (random.nextDouble() * tileWidth);
ystart = (int) (random.nextDouble() * tileHeight);
} else {
xstart = (int) (tileWidth / 2.0 + 0.5);
ystart = (int) (tileHeight / 2.0 + 0.5);
}
linesV = (int) ((width - xstart) / tileWidth) + 1;
linesH = (int) ((height - ystart) / tileHeight) + 1;
if (gd.invalidNumber()) return true;
if (type.equals(types[0])) drawLines();
else if (type.equals(types[1])) drawCrosses();
else if (type.equals(types[2])) drawPoints();
else showGrid(null);
return true;
}
Color getColor() {
Color c = Color.cyan;
if (color.equals(colors[0])) c = Color.red;
else if (color.equals(colors[1])) c = Color.green;
else if (color.equals(colors[2])) c = Color.blue;
else if (color.equals(colors[3])) c = Color.magenta;
else if (color.equals(colors[4])) c = Color.cyan;
else if (color.equals(colors[5])) c = Color.yellow;
else if (color.equals(colors[6])) c = Color.orange;
else if (color.equals(colors[7])) c = Color.black;
else if (color.equals(colors[8])) c = Color.white;
return c;
}
}
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;
}
}
}
public void run(String arg) {
int[] wList = WindowManager.getIDList();
if (wList==null) {
IJ.error("No images are open.");
return;
}
double kernel=3;
double kernelsum = 0;
double kernelvarsum =0;
double kernalvar = 0;
double sigmawidth = 2;
int kernelindex, minpixnumber;
String[] kernelsize = { "3�,"5�, "7�, "9�};
GenericDialog gd = new GenericDialog("Sigma Filter");
gd.addChoice("Kernel size", kernelsize, kernelsize[0]);
gd.addNumericField("Sigma width",sigmawidth , 2);
gd.addNumericField("Minimum number of pixels", 1, 0);
gd.addCheckbox("Keep source:",true);
gd.addCheckbox("Do all stack:",true);
gd.addCheckbox("Modified Lee's FIlter:",true);
gd.showDialog();
if (gd.wasCanceled()) return ;
kernelindex = gd.getNextChoiceIndex();
sigmawidth = gd.getNextNumber();
minpixnumber = ((int)gd.getNextNumber());
boolean keep = gd.getNextBoolean();
boolean doallstack = gd.getNextBoolean();
boolean modified = gd.getNextBoolean();
if (kernelindex==0) kernel = 3;
if (kernelindex==1) kernel = 5;
if (kernelindex==2) kernel = 7;
if (kernelindex==3) kernel = 9;
long start = System.currentTimeMillis();
if (minpixnumber> (kernel*kernel)){
IJ.showMessage("Sigma filter", "There must be more pixels in the kernel than+\n" + "the minimum number to be included");
return;
}
double v, midintensity;
int x, y, ix, iy;
double sum = 0;
double backupsum =0;
int count = 0;
int n = 0;
if (keep) {IJ.run("Select All"); IJ.run("Duplicate...", "title='Sigma filtered' duplicate");}
int radius = (int)(kernel-1)/2;
ImagePlus imp = WindowManager.getCurrentImage();
ImageStack stack1 = imp.getStack();
int width = imp.getWidth();
int height = imp.getHeight();
int nslices = stack1.getSize();
int cslice = imp.getCurrentSlice();
double status = width*height*nslices;
ImageProcessor ip = imp.getProcessor();
int sstart = 1;
if (!doallstack) {sstart = cslice; nslices=sstart;status = status/nslices;};
for (int i=sstart; i<=nslices; i++) {
imp.setSlice(i);
for (x=radius;x<width+radius;x++) {
for (y=radius;y<height+radius;y++) {
midintensity = ip.getPixelValue(x,y);
count = 0;
sum = 0;
kernelsum =0;
kernalvar =0;
kernelvarsum =0;
backupsum = 0;
//calculate mean of kernel value
for (ix=0;ix<kernel;ix++) {
for (iy=0;iy<kernel;iy++) {
v = ip.getPixelValue(x+ix-radius,y+iy-radius);
kernelsum = kernelsum+v;
}
}
double sigmacalcmean = (kernelsum/(kernel*kernel));
//calculate variance of kernel
for (ix=0;ix<kernel;ix++) {
for (iy=0;iy<kernel;iy++) {
v = ip.getPixelValue(x+ix-radius,y+iy-radius);
kernalvar = (v-sigmacalcmean)*(v-sigmacalcmean);
kernelvarsum = kernelvarsum + kernalvar;
}
}
//double variance = kernelvarsum/kernel;
double sigmacalcvar = kernelvarsum/((kernel*kernel)-1);
//calcuate sigma range = sqrt(variance/(mean^2)) � sigmawidth
double sigmarange = sigmawidth*(Math.sqrt((sigmacalcvar) /(sigmacalcmean*sigmacalcmean)));
//calulate sigma top value and bottom value
double sigmatop = midintensity*(1+sigmarange);
double sigmabottom = midintensity*(1-sigmarange);
//calculate mean of values that differ are in sigma range.
for (ix=0;ix<kernel;ix++) {
for (iy=0;iy<kernel;iy++) {
v = ip.getPixelValue(x+ix-radius,y+iy-radius);
if ((v>=sigmabottom)&&(v<=sigmatop)){
sum = sum+v;
count = count+1; }
backupsum = v+ backupsum;
}
}
//if there are too few pixels in the kernal that are within sigma range, the
//mean of the entire kernal is taken. My modification of Lee's filter is to exclude the central value
//from the calculation of the mean as I assume it to be spuriously high or low
if (!(count>(minpixnumber)))
{sum = (backupsum-midintensity);
count = (int)((kernel*kernel)-1);
if (!modified)
{sum = (backupsum);
count = (int)(kernel*kernel);}
}
double val = (sum/count);
ip.putPixelValue(x,y, val);
n = n+1;
double percentage = (((double)n/status)*100);
IJ.showStatus(IJ.d2s(percentage,0) +"% done");
}
// IJ.showProgress(i, status);
}}
imp.updateAndDraw();
IJ.showStatus(IJ.d2s((System.currentTimeMillis()-start)/1000.0, 2)+" seconds"); }
