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word: here's a more technical followup of this old article, you doubtless wish to read it first, if you don’t have already.

There are 2 main areas of impact when the use of the RFID Scanner with Koha:

  • the cleaning, when a ebook presently scanned all through the stock isn’t supposed to be there
  • the inventory/background, after the inventory, to see where a publication is and has been
  • however before diving into these, we want a bit of background on how the scanner works.

    one of the most key elements of using the scanner is the capacity to make use of RFID tags determine containers (like shelves, boxes or bookcases) as a substitute of simply objects.

    Scanning those tags will set the “current region” of the scanner, and each item scanned after that could be bound to that region.

    There are 2 different types of areas, everlasting and transient. The desk in the sorting office is a short lived area, while the cabinets within the public area are everlasting.

    right here some examples of everlasting areas:

  • — leading branch, archives, room m3, bookcase 15
  • — ABC department, public enviornment, green room, bookcase a03
  • and some temporary places:

  • — pickup shelf for patrons in branch XYZ
  • — virtual place for ABC’s broken items
  • — self provider desktop, take a look at at XYZ
  • of workers — body of workers desk at main
  • each merchandise will then have a everlasting vicinity ( the merchandise belongs to the main department archives) and a brief location ( the item has been checked out at a self carrier machine at XYZ branch)

    i will be able to focus on Deichman Library’s especially now. Your library is likely diverse and may have distinctive considerations, but many of the ideas will nevertheless follow.

    The CD is marked as “late, paid”

    there are many situations we encountered whereas testing the scanner:

  • books that are respectable candidates for a cling/reserve
  • books which are on the cabinets, but are nonetheless marked as on loan
  • books which are on the cabinets, however belong to a different department
  • books that are marked now not for loan (this can potential different things: they don't seem to be speculated to be on the shelf or somebody forgot to assess them in)
  • books which are marked as in transfer but they actually reached the vacation spot already
  • books marked as lost or misplaced
  • books that belong to a different library. (Inter Library personal loan)
  • every of these will act differently, they could either fix the issue “on the fly” ( when the ebook is marked in switch, but it is at the destination already), or in its place sign the consumer that some motion should be taken (the e-book has to be picked up for a buyer, the vacation spot can be set to “ id="b5fa" class="lv lw ch ap ly b lz ma mb mc md me mf mg mh mi mj">It additionally depends on the place the book is scanned. A transfer should be marked as achieved most effective when the item is on the right destination, otherwise a “pick me up” could be despatched to the person to raise over the transfer.

    cleaning up those instances can be a priority. in most cases as a result of in most of these cases these items received’t be accessible for personal loan on the internet interface or on the “pickup list”. but additionally as a result of some others will also be extremely challenging to music or fix later.

    All this good judgment is inside the API (/api/v1/region) that we brought to Koha. It offers with all those mixtures and should readily returns a “destination” for the item, or in other words where the publication may still be.

    The scanner will with no trouble evaluate the present shelf with the destination, and beeps in the event that they don’t in shape. (It’s a little bit greater advanced than that, a book scanned in “ will healthy “abc”, or “ however no longer “ or “xyz”)

    The different enviornment of effect for the scanner is the capacity to music down the heritage of each and every item, and the current location along with other items.

    illustration: historical past of an item

    The image above indicates the history of a single merchandise, sorted via essentially the most recent activities first. it will possibly and will grow a whole lot more longer as long as the item is scanned and transfered.

    which you could study the background like this:

  • The scanner found the item the 23rd of October, and sure it to “ (“flam” department, public enviornment, 3rd ground, shelf d04).
  • The ebook become then requested by way of a patron for pickup from the main library:

  • a first check in with the aid of the personnel came about 35 days ago ( id="2657" class="lv lw ch ap ly b lz ms mb mt md mu mf mv mh mw mj np mp mq">and the day after in hutl (which is our leading library branch).
  • It changed into then checked out by the client using a self provider laptop 6 days later ( publication in the Shelf view

    looking the database for the same shelf ( that you may see the item is still there. even if the remaining viewed vicinity is the checkout laptop in hutl, the “everlasting” location is remembered and you may still see the loaned books on the shelf (even if the closing region is distinct).

    merchandise’s particulars, with before/after

    right here on the left, the details view of the identical item, with the everlasting “shelf” region ( and the “temp”-orary area or ultimate-viewed ( id="d677" class="lv lw ch ap ly b lz ma mb mc md me mf mg mh mi mj">Some items have multiple elements and therefore distinctive tags: every individual tag is proven here, and has it’s own background, so if one half changed into missing that you may discover because when.

    quite wonderful is the ultimate half, where that you could see which items where scanned earlier than and after.

    This information will also be useful when the ebook is misplaced, so as an alternative of attempting to find it at once that you would be able to just search for which books had been nearby (which might be expectantly now not misplaced) after which seem between them.

    Of route it might nevertheless be simpler to mark the merchandise as misplaced in Koha and wait for the subsequent inventory, but if you are in a rush you could track it down this fashion as neatly.

    unfortunately Koha assist for historical past and location is sub-premier, so in its place of including new tables and interfaces to Koha we determined to setup a brand new gadget so that they can increase Koha by means of dwelling alongside, and limit the mixing with Koha to a single API entry factor.

    There are also some other technical motives for this, notably the scanner is barely a micro-controller and it will be tough and clumsy to put in force a full authentication device.

    The server we developed is written in Perl and in response to Plack. It acts as an interface between the scanner, the self service machines, the desk RFID readers and Koha. It additionally has a API interface itself which may also be used to question for assistance. The conception is to add a Javascript front end to it (at this time the Perl app can serve html pages as well)

    On the Koha aspect, as outlined already, a new API entry element became introduced: /api/v1/area

    $ curl -s --statistics '["barcode":"03010738409003"]' | json_xs"gadgets" : ["reserves" : "fnyd" : "count" : 1,"oldest" : "29","need" : 1,"avail" : 0 , "hutl" : "count" : 2,"need" : 1,"oldest" : "28","avail" : 1 ,"author" : "Fennell, Melanie","homebranch" : "hutl","biblioitemnumber" : "738409","holdingbranch" : "hutl","barcode" : "03010738409003","title" : "Å bekjempe lav selvfølelse","itemnumber" : "650684","itype" : "BOK","copynumber" : "3","dest" : " : " Fen"]

    It accept an inventory of entries, with mandatory barcodes and an not obligatory area. It performs the cleanup when mandatory, and returns a vacation spot with some metadata (title, creator, call number).

    The RFID server makes use of this counsel to decorate the output, and to determine if the item has to be moved, or if it would be left in location.

    be aware: Koha could store the area provided via the RFID Scanner within the “location” box. in that case all the view will display is where the item turned into scanned final. unfortunately we're already the use of this field for different interior factors so we skipped this step.

    here's fairly interesting: I’m working on a equipment which is in a position to notice misplaced objects (and suggest the correct location). it really works by comparing similar objects (call number) in distinctive shelf. It is way too early to share any consequences, but many of the detected misplaced objects are already good, so it should be would becould very well be ready soon.

    The server continues to be under building. the entire photos posted right here came from a prototype which can be rewritten. As soon as we now have whatever stable we are able to push it out on github right here.

    i'll additionally add some documentation on the way to write your personal adapter if you are using a unique ILS than Koha, however as that you could see it might be pretty easy.

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