/** * Returns a list of images that fulfill the given criteria. Default setting is to return untagged * images, but may be overwritten. * * @param exif also returns images with exif-gps info * @param tagged also returns tagged images * @return matching images */ private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) { if (yLayer.data == null) { return Collections.emptyList(); } List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.data.size()); for (ImageEntry e : yLayer.data) { if (!e.hasExifTime()) { continue; } if (e.getExifCoor() != null && !exif) { continue; } if (e.isTagged() && e.getExifCoor() == null && !tagged) { continue; } dateImgLst.add(e); } Collections.sort( dateImgLst, new Comparator<ImageEntry>() { @Override public int compare(ImageEntry arg0, ImageEntry arg1) { return arg0.getExifTime().compareTo(arg1.getExifTime()); } }); return dateImgLst; }
private static void extractExif(ImageEntry e) { double deg; double min, sec; double lon, lat; Metadata metadata = null; Directory dir = null; try { metadata = JpegMetadataReader.readMetadata(e.getFile()); dir = metadata.getDirectory(GpsDirectory.class); } catch (CompoundException p) { e.setExifCoor(null); e.setPos(null); return; } try { // longitude Rational[] components = dir.getRationalArray(GpsDirectory.TAG_GPS_LONGITUDE); deg = components[0].doubleValue(); min = components[1].doubleValue(); sec = components[2].doubleValue(); if (Double.isNaN(deg) && Double.isNaN(min) && Double.isNaN(sec)) throw new IllegalArgumentException(); lon = (Double.isNaN(deg) ? 0 : deg + (Double.isNaN(min) ? 0 : (min / 60)) + (Double.isNaN(sec) ? 0 : (sec / 3600))); if (dir.getString(GpsDirectory.TAG_GPS_LONGITUDE_REF).charAt(0) == 'W') { lon = -lon; } // latitude components = dir.getRationalArray(GpsDirectory.TAG_GPS_LATITUDE); deg = components[0].doubleValue(); min = components[1].doubleValue(); sec = components[2].doubleValue(); if (Double.isNaN(deg) && Double.isNaN(min) && Double.isNaN(sec)) throw new IllegalArgumentException(); lat = (Double.isNaN(deg) ? 0 : deg + (Double.isNaN(min) ? 0 : (min / 60)) + (Double.isNaN(sec) ? 0 : (sec / 3600))); if (Double.isNaN(lat)) throw new IllegalArgumentException(); if (dir.getString(GpsDirectory.TAG_GPS_LATITUDE_REF).charAt(0) == 'S') { lat = -lat; } // Store values e.setExifCoor(new LatLon(lat, lon)); e.setPos(e.getExifCoor()); } catch (CompoundException p) { // Try to read lon/lat as double value (Nonstandard, created by some cameras -> #5220) try { Double longitude = dir.getDouble(GpsDirectory.TAG_GPS_LONGITUDE); Double latitude = dir.getDouble(GpsDirectory.TAG_GPS_LATITUDE); if (longitude == null || latitude == null) throw new CompoundException(""); // Store values e.setExifCoor(new LatLon(latitude, longitude)); e.setPos(e.getExifCoor()); } catch (CompoundException ex) { e.setExifCoor(null); e.setPos(null); } } catch (Exception ex) { // (other exceptions, e.g. #5271) System.err.println("Error when reading EXIF from file: " + ex); e.setExifCoor(null); e.setPos(null); } // compass direction value Rational direction = null; try { direction = dir.getRational(GpsDirectory.TAG_GPS_IMG_DIRECTION); if (direction != null) { e.setExifImgDir(direction.doubleValue()); } } catch (Exception ex) { // (CompoundException and other exceptions, e.g. #5271) // Do nothing } }