For a quick slideshow, I usually use Geeqie with the exported JPG instead, or Google Photos on any computer with internet connection. The slideshow is quite basic, but it renders the images on the fly, so depending on how complicated the history stack/operations that you applied to the images, and how fast your computer is, there might be delay between photos. I think printing currently only work in GNU/Linux and OSX, not on Windows yet, but there's softproof mode in the darkroom. Next to the lightable|darkroom modes at top-right corner are print|slideshow|tethering. "20190908 - ice skating"), I guess it makes more sense for me to have a separate tool with face recognition with its own SQL database and advanced scripting with Python.Īs for the output modules, I do see a few options in darktable's export module: LATeX book template, file on disk, Facebook webalbum, google photos, piwigo, send as email, web gallery. Since I don't use darktable's DAM (manage in folders with naming convention, e.g. If for some reason you must use ImageMagick to extract XMP metadata. I'm exploring a Python library to see if I can do the feature like Google Photos where it automatically lists all the faces it can find and you can tag people for searching, but locally, thus, doesn't have privacy issue. The MacOS package installs the ExifTool command-line application and libraries in. The darktable devs intentionally not implement face recognition although there have been a few requests on it, I think they were mostly concerning about privacy. It lacks face detection and mapping (there seems to be a 3rd-party plugin for the second one, however), as well as the output modules (slideshow, web and print). In particular, the add-to-collection features happen after this plugin. Once you are sure of the command, you can add -overwrite_original to suppress the generation of backup files and -r to recurse into subdirectories.Looking at Darktable, it seems to be far from close to LR. To take full advantage of the advance formatting, some basic perl and regex knowledge is helpful. In the replace half of the substitution $2-$1, the two captures are reversed with the hyphen between them. The two captures are assigned to the variables $1 and $2, respectively. ExifTool supports many different types of metadata including EXIF, GPS, IPTC, XMP, JFIF, GeoTIFF, ICC Profile, Photoshop IRB, FlashPix, AFCP and ID3, as well as the maker notes of many digital cameras by Canon, Casio, FujiFilm, HP. It matches and captures the first four digits (\d), matches the space (but doesn't capture it), then matches and captures the rest of the tag (.*). ExifTool is a platform-independent Perl library plus a command-line application for reading, writing and editing meta information in image, audio and video files. In this example, the tag is treated as a perl string and a regex substitution is used. To do the modification to the tag, it takes the Advance Formatting option, which is actually some in-line perl code. This will allow tags in the XMP file to be copied to the correct place in the EXIF group. The best thing to do would be to grab the xmp2exif.args file and place that in the same directory as exiftool. Since then, exiftool has become the go-to tool for working with metadata at the command line due to the vast array of file formats and types of metadata it supports. The command needs to be altered a bit due to some irregularities in the XMP sample you give. Exiftool is a command-line utility, technically a Perl library written by Phil Harvey first released in 2003. For example, suppose I have a file called winter.mp4, I want to add the comment 'winter' to the file's -Comment metadata tag. I want to add each file's respective filename as a metadata comment (using the -Comment tag). A common mistake is to use the equal sign = which is used to assign a static value to a tag. See exiftool's Metadata Sidecar Files example 15. I'm using ExifTool on Linux and am working with some MP4 video files. The option to copy a tag is the less than (or greater than) symbol. However, files may be specified by name, or the -ext option may be used to force processing of files with any extension. Note: If FILE is a directory name then only supported file types in the directory are processed (in write mode only writable types are processed). You basically want to copy a tag into the same tag, with some modifications. Once in write mode, exiftool will ignore any read-specific options. Expanding upon the answer I gave in the exiftool forums.
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