/** Opens a stack of images. */ ImagePlus openStack(ColorModel cm, boolean show) { ImageStack stack = new ImageStack(fi.width, fi.height, cm); long skip = fi.getOffset(); Object pixels; try { ImageReader reader = new ImageReader(fi); InputStream is = createInputStream(fi); if (is == null) return null; IJ.resetEscape(); for (int i = 1; i <= fi.nImages; i++) { if (!silentMode) IJ.showStatus("Reading: " + i + "/" + fi.nImages); if (IJ.escapePressed()) { IJ.beep(); IJ.showProgress(1.0); silentMode = false; return null; } pixels = reader.readPixels(is, skip); if (pixels == null) break; stack.addSlice(null, pixels); skip = fi.gapBetweenImages; if (!silentMode) IJ.showProgress(i, fi.nImages); } is.close(); } catch (Exception e) { IJ.log("" + e); } catch (OutOfMemoryError e) { IJ.outOfMemory(fi.fileName); stack.trim(); } if (!silentMode) IJ.showProgress(1.0); if (stack.getSize() == 0) return null; if (fi.sliceLabels != null && fi.sliceLabels.length <= stack.getSize()) { for (int i = 0; i < fi.sliceLabels.length; i++) stack.setSliceLabel(fi.sliceLabels[i], i + 1); } ImagePlus imp = new ImagePlus(fi.fileName, stack); if (fi.info != null) imp.setProperty("Info", fi.info); if (show) imp.show(); imp.setFileInfo(fi); setCalibration(imp); ImageProcessor ip = imp.getProcessor(); if (ip.getMin() == ip.getMax()) // find stack min and max if first slice is blank setStackDisplayRange(imp); if (!silentMode) IJ.showProgress(1.0); silentMode = false; return imp; }
ImagePlus duplicateStack(ImagePlus img1) { ImageStack stack1 = img1.getStack(); int width = stack1.getWidth(); int height = stack1.getHeight(); int n = stack1.getSize(); ImageStack stack2 = img1.createEmptyStack(); try { for (int i = 1; i <= n; i++) { ImageProcessor ip1 = stack1.getProcessor(i); ip1.resetRoi(); ImageProcessor ip2 = ip1.crop(); stack2.addSlice(stack1.getSliceLabel(i), ip2); } } catch (OutOfMemoryError e) { stack2.trim(); stack2 = null; return null; } return new ImagePlus("Duplicate", stack2); }