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"); }
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", ""); }