void createMaskFromThreshold(ImagePlus imp) { ImageProcessor ip = imp.getProcessor(); if (ip.getMinThreshold() == ImageProcessor.NO_THRESHOLD) { IJ.error("Create Mask", "Area selection or thresholded image required"); return; } double t1 = ip.getMinThreshold(); double t2 = ip.getMaxThreshold(); IJ.run("Duplicate...", "title=mask"); ImagePlus imp2 = WindowManager.getCurrentImage(); ImageProcessor ip2 = imp2.getProcessor(); ip2.setThreshold(t1, t2, ImageProcessor.NO_LUT_UPDATE); IJ.run("Convert to Mask"); }
boolean setThresholdLevels(ImagePlus imp, ImageProcessor ip) { double t1 = ip.getMinThreshold(); double t2 = ip.getMaxThreshold(); boolean invertedLut = imp.isInvertedLut(); boolean byteImage = ip instanceof ByteProcessor; if (ip instanceof ShortProcessor) imageType = SHORT; else if (ip instanceof FloatProcessor) imageType = FLOAT; else imageType = BYTE; if (t1 == ImageProcessor.NO_THRESHOLD) { ImageStatistics stats = imp.getStatistics(); if (imageType != BYTE || (stats.histogram[0] + stats.histogram[255] != stats.pixelCount)) { IJ.error( "Particle Analyzer", "A thresholded image or 8-bit binary image is\n" + "required. Threshold levels can be set using\n" + "the Image->Adjust->Threshold tool."); canceled = true; return false; } boolean threshold255 = invertedLut; if (Prefs.blackBackground) threshold255 = !threshold255; if (threshold255) { level1 = 255; level2 = 255; fillColor = 64; } else { level1 = 0; level2 = 0; fillColor = 192; } } else { level1 = t1; level2 = t2; if (imageType == BYTE) { if (level1 > 0) fillColor = 0; else if (level2 < 255) fillColor = 255; } else if (imageType == SHORT) { if (level1 > 0) fillColor = 0; else if (level2 < 65535) fillColor = 65535; } else if (imageType == FLOAT) fillColor = -Float.MAX_VALUE; else return false; } imageType2 = imageType; if (redirectIP != null) { if (redirectIP instanceof ShortProcessor) imageType2 = SHORT; else if (redirectIP instanceof FloatProcessor) imageType2 = FLOAT; else if (redirectIP instanceof ColorProcessor) imageType2 = RGB; else imageType2 = BYTE; } return true; }
void createSelectionFromMask(ImagePlus imp) { ImageProcessor ip = imp.getProcessor(); if (ip.getMinThreshold() != ImageProcessor.NO_THRESHOLD) { IJ.runPlugIn("ij.plugin.filter.ThresholdToSelection", ""); return; } if (!ip.isBinary()) { IJ.error( "Create Selection", "This command creates a composite selection from\n" + "a mask (8-bit binary image with white background)\n" + "or from an image that has been thresholded using\n" + "the Image>Adjust>Threshold tool. The current\n" + "image is not a mask and has not been thresholded."); return; } int threshold = ip.isInvertedLut() ? 255 : 0; ip.setThreshold(threshold, threshold, ImageProcessor.NO_LUT_UPDATE); IJ.runPlugIn("ij.plugin.filter.ThresholdToSelection", ""); }
/* Method takes roi and substract its mean value from each frame in the image*/ public static ImagePlus DarkNoiseRemoval(ImagePlus imp_in, Roi noise_roi) { ImagePlus imp_out = imp_in.duplicate(); int size = imp_in.getImageStackSize(); ImageProcessor ip = imp_out.getProcessor(); double minThreshold = ip.getMinThreshold(); double maxThreshold = ip.getMaxThreshold(); Calibration cal = imp_in.getCalibration(); int measurements = Analyzer.getMeasurements(); int current = imp_in.getCurrentSlice(); ImageStack stack = imp_in.getStack(); for (int i = 1; i <= size; i++) { ip = stack.getProcessor(i); if (minThreshold != ImageProcessor.NO_THRESHOLD) ip.setThreshold(minThreshold, maxThreshold, ImageProcessor.NO_LUT_UPDATE); ip.setRoi(noise_roi); ImageStatistics stats = ImageStatistics.getStatistics(ip, measurements, cal); ip.resetRoi(); ip.subtract(stats.mean); stack.setProcessor(ip, i); } imp_out.setStack(stack); return imp_out; }
String getInfo(ImagePlus imp, ImageProcessor ip) { String s = new String("\n"); s += "Title: " + imp.getTitle() + "\n"; Calibration cal = imp.getCalibration(); int stackSize = imp.getStackSize(); int channels = imp.getNChannels(); int slices = imp.getNSlices(); int frames = imp.getNFrames(); int digits = imp.getBitDepth() == 32 ? 4 : 0; if (cal.scaled()) { String unit = cal.getUnit(); String units = cal.getUnits(); s += "Width: " + IJ.d2s(imp.getWidth() * cal.pixelWidth, 2) + " " + units + " (" + imp.getWidth() + ")\n"; s += "Height: " + IJ.d2s(imp.getHeight() * cal.pixelHeight, 2) + " " + units + " (" + imp.getHeight() + ")\n"; if (slices > 1) s += "Depth: " + IJ.d2s(slices * cal.pixelDepth, 2) + " " + units + " (" + slices + ")\n"; double xResolution = 1.0 / cal.pixelWidth; double yResolution = 1.0 / cal.pixelHeight; int places = Tools.getDecimalPlaces(xResolution, yResolution); if (xResolution == yResolution) s += "Resolution: " + IJ.d2s(xResolution, places) + " pixels per " + unit + "\n"; else { s += "X Resolution: " + IJ.d2s(xResolution, places) + " pixels per " + unit + "\n"; s += "Y Resolution: " + IJ.d2s(yResolution, places) + " pixels per " + unit + "\n"; } } else { s += "Width: " + imp.getWidth() + " pixels\n"; s += "Height: " + imp.getHeight() + " pixels\n"; if (stackSize > 1) s += "Depth: " + slices + " pixels\n"; } if (stackSize > 1) s += "Voxel size: " + d2s(cal.pixelWidth) + "x" + d2s(cal.pixelHeight) + "x" + d2s(cal.pixelDepth) + " " + cal.getUnit() + "\n"; else s += "Pixel size: " + d2s(cal.pixelWidth) + "x" + d2s(cal.pixelHeight) + " " + cal.getUnit() + "\n"; s += "ID: " + imp.getID() + "\n"; String zOrigin = stackSize > 1 || cal.zOrigin != 0.0 ? "," + d2s(cal.zOrigin) : ""; s += "Coordinate origin: " + d2s(cal.xOrigin) + "," + d2s(cal.yOrigin) + zOrigin + "\n"; int type = imp.getType(); switch (type) { case ImagePlus.GRAY8: s += "Bits per pixel: 8 "; String lut = "LUT"; if (imp.getProcessor().isColorLut()) lut = "color " + lut; else lut = "grayscale " + lut; if (imp.isInvertedLut()) lut = "inverting " + lut; s += "(" + lut + ")\n"; if (imp.getNChannels() > 1) s += displayRanges(imp); else s += "Display range: " + (int) ip.getMin() + "-" + (int) ip.getMax() + "\n"; break; case ImagePlus.GRAY16: case ImagePlus.GRAY32: if (type == ImagePlus.GRAY16) { String sign = cal.isSigned16Bit() ? "signed" : "unsigned"; s += "Bits per pixel: 16 (" + sign + ")\n"; } else s += "Bits per pixel: 32 (float)\n"; if (imp.getNChannels() > 1) s += displayRanges(imp); else { s += "Display range: "; double min = ip.getMin(); double max = ip.getMax(); if (cal.calibrated()) { min = cal.getCValue((int) min); max = cal.getCValue((int) max); } s += IJ.d2s(min, digits) + " - " + IJ.d2s(max, digits) + "\n"; } break; case ImagePlus.COLOR_256: s += "Bits per pixel: 8 (color LUT)\n"; break; case ImagePlus.COLOR_RGB: s += "Bits per pixel: 32 (RGB)\n"; break; } double interval = cal.frameInterval; double fps = cal.fps; if (stackSize > 1) { ImageStack stack = imp.getStack(); int slice = imp.getCurrentSlice(); String number = slice + "/" + stackSize; String label = stack.getShortSliceLabel(slice); if (label != null && label.length() > 0) label = " (" + label + ")"; else label = ""; if (interval > 0.0 || fps != 0.0) { s += "Frame: " + number + label + "\n"; if (fps != 0.0) { String sRate = Math.abs(fps - Math.round(fps)) < 0.00001 ? IJ.d2s(fps, 0) : IJ.d2s(fps, 5); s += "Frame rate: " + sRate + " fps\n"; } if (interval != 0.0) s += "Frame interval: " + ((int) interval == interval ? IJ.d2s(interval, 0) : IJ.d2s(interval, 5)) + " " + cal.getTimeUnit() + "\n"; } else s += "Image: " + number + label + "\n"; if (imp.isHyperStack()) { if (channels > 1) s += " Channel: " + imp.getChannel() + "/" + channels + "\n"; if (slices > 1) s += " Slice: " + imp.getSlice() + "/" + slices + "\n"; if (frames > 1) s += " Frame: " + imp.getFrame() + "/" + frames + "\n"; } if (imp.isComposite()) { if (!imp.isHyperStack() && channels > 1) s += " Channels: " + channels + "\n"; String mode = ((CompositeImage) imp).getModeAsString(); s += " Composite mode: \"" + mode + "\"\n"; } } if (ip.getMinThreshold() == ImageProcessor.NO_THRESHOLD) s += "No Threshold\n"; else { double lower = ip.getMinThreshold(); double upper = ip.getMaxThreshold(); int dp = digits; if (cal.calibrated()) { lower = cal.getCValue((int) lower); upper = cal.getCValue((int) upper); dp = cal.isSigned16Bit() ? 0 : 4; } s += "Threshold: " + IJ.d2s(lower, dp) + "-" + IJ.d2s(upper, dp) + "\n"; } ImageCanvas ic = imp.getCanvas(); double mag = ic != null ? ic.getMagnification() : 1.0; if (mag != 1.0) s += "Magnification: " + IJ.d2s(mag, 2) + "\n"; if (cal.calibrated()) { s += " \n"; int curveFit = cal.getFunction(); s += "Calibration Function: "; if (curveFit == Calibration.UNCALIBRATED_OD) s += "Uncalibrated OD\n"; else if (curveFit == Calibration.CUSTOM) s += "Custom lookup table\n"; else s += CurveFitter.fList[curveFit] + "\n"; double[] c = cal.getCoefficients(); if (c != null) { s += " a: " + IJ.d2s(c[0], 6) + "\n"; s += " b: " + IJ.d2s(c[1], 6) + "\n"; if (c.length >= 3) s += " c: " + IJ.d2s(c[2], 6) + "\n"; if (c.length >= 4) s += " c: " + IJ.d2s(c[3], 6) + "\n"; if (c.length >= 5) s += " c: " + IJ.d2s(c[4], 6) + "\n"; } s += " Unit: \"" + cal.getValueUnit() + "\"\n"; } else s += "Uncalibrated\n"; FileInfo fi = imp.getOriginalFileInfo(); if (fi != null) { if (fi.url != null && !fi.url.equals("")) s += "URL: " + fi.url + "\n"; else if (fi.directory != null && fi.fileName != null) s += "Path: " + fi.directory + fi.fileName + "\n"; } ImageWindow win = imp.getWindow(); if (win != null) { Point loc = win.getLocation(); Dimension screen = IJ.getScreenSize(); s += "Screen location: " + loc.x + "," + loc.y + " (" + screen.width + "x" + screen.height + ")\n"; } Overlay overlay = imp.getOverlay(); if (overlay != null) { String hidden = imp.getHideOverlay() ? " (hidden)" : " "; int n = overlay.size(); String elements = n == 1 ? " element" : " elements"; s += "Overlay: " + n + elements + (imp.getHideOverlay() ? " (hidden)" : "") + "\n"; } else s += "No Overlay\n"; Roi roi = imp.getRoi(); if (roi == null) { if (cal.calibrated()) s += " \n"; s += "No Selection\n"; } else if (roi instanceof EllipseRoi) { s += "\nElliptical Selection\n"; double[] p = ((EllipseRoi) roi).getParams(); double dx = p[2] - p[0]; double dy = p[3] - p[1]; double major = Math.sqrt(dx * dx + dy * dy); s += " Major: " + IJ.d2s(major, 2) + "\n"; s += " Minor: " + IJ.d2s(major * p[4], 2) + "\n"; s += " X1: " + IJ.d2s(p[0], 2) + "\n"; s += " Y1: " + IJ.d2s(p[1], 2) + "\n"; s += " X2: " + IJ.d2s(p[2], 2) + "\n"; s += " Y2: " + IJ.d2s(p[3], 2) + "\n"; s += " Aspect ratio: " + IJ.d2s(p[4], 2) + "\n"; } else { s += " \n"; s += roi.getTypeAsString() + " Selection"; String points = null; if (roi instanceof PointRoi) { int npoints = ((PolygonRoi) roi).getNCoordinates(); String suffix = npoints > 1 ? "s)" : ")"; points = " (" + npoints + " point" + suffix; } String name = roi.getName(); if (name != null) { s += " (\"" + name + "\")"; if (points != null) s += "\n " + points; } else if (points != null) s += points; s += "\n"; Rectangle r = roi.getBounds(); if (roi instanceof Line) { Line line = (Line) roi; s += " X1: " + IJ.d2s(line.x1d * cal.pixelWidth) + "\n"; s += " Y1: " + IJ.d2s(yy(line.y1d, imp) * cal.pixelHeight) + "\n"; s += " X2: " + IJ.d2s(line.x2d * cal.pixelWidth) + "\n"; s += " Y2: " + IJ.d2s(yy(line.y2d, imp) * cal.pixelHeight) + "\n"; } else if (cal.scaled()) { s += " X: " + IJ.d2s(cal.getX(r.x)) + " (" + r.x + ")\n"; s += " Y: " + IJ.d2s(cal.getY(r.y, imp.getHeight())) + " (" + r.y + ")\n"; s += " Width: " + IJ.d2s(r.width * cal.pixelWidth) + " (" + r.width + ")\n"; s += " Height: " + IJ.d2s(r.height * cal.pixelHeight) + " (" + r.height + ")\n"; } else { s += " X: " + r.x + "\n"; s += " Y: " + yy(r.y, imp) + "\n"; s += " Width: " + r.width + "\n"; s += " Height: " + r.height + "\n"; } } return s; }