Rotoscoping

It’s been a little quiet around here. A lot of things have happened, maybe to many given the activity here.

We are getting ready to open the DataLab. The InnovationLab have had its first workshops (and I have to build a gadget to fix a problem with one of the printers – it is going to be ugly. But it will work!)

But right now I’m waiting for someone to send me an image. Before I get that, I cant send out our annual user satisfaction survey. So – an unexpected break!

Therefore a post that would normally show up at another blog, dedicated to geeking out. But relevant here.

One of the latest trends in library marketing is the promotional video. At our library, we appear to be fond of LEGO stop-motion animations. But “my” library is a small one, and we are frequently left out of the videos. For good reasons, but still, something must be done!

It is time consuming to produce a stop-motion video. And its been done. Instead we should do something that has’nt been done before. But it should be cool. Enter the music video for AHAs hit Take On Me. It used a technique called rotoscoping, to mix ordinary imagery with sequences that appear to have been drawn in hand.

How to do that?

  1. Download ImageMagick
  2. Make an ordinary video
  3. Download IrfanView
  4. Split the video into individual frames, using IrfanView
  5. Process the frames with ImageMagick – edgedetect and negate are the filters we’re going to use her
  6. Splice all the frames together again to a video

Simple. Allthough it does require a lot of time. But first of all – sell the idea, and make a storyboard.

Smartphone del VI – A new wire

Der var nu forbindelse mellem Arduino og Raspberry pi. Og nu skulle telefonen så gøres klar til at blive samlet igen. Min plan var at signalet fra telefonen til Arduinoen skulle gå gennem den gamle telefonledning. Det syntes jeg var mest nørdet. Men… I sådan en ledning mellem en telefon og et telefonstik, er der tre ledere. Og ledningen fungerer altså bedst hvis alle tre ledere fungerer. Den røde var død…

Så er rådne dyr gode. Ned i Brinck. De havde ikke den slags ledninger. Hm. Hvis det ikke kunne blive med et gammeldags telefonstik, så skulle ledningen i det mindste ligne originalen. Det der kom tættest på, var et netværkskabel. Sådan et standard twisted pair kabel med 8 ledere. De er ret tynde, så jeg samlede dem parvis. Og havde nu fire ledere. Men jeg skulle ikke bruge mere end tre. Den fjerde… Jeg ville jo godt have røret med. Jeg kunne bare ikke finde en løsning hvor det ikke gav for meget støj på det egentlige signal fra drejeskiven. Men det kan en fjerde leder klare. De skrueterminaler imellem hvilke der er forbindelse når røret er af, blev forbundet med en pull-down modstand og den fjerde ledning. Og vupti, nu har jeg to signaler fra telefonen. Et hvor jeg kan tælle pulser fra drejeskiven. Og et hvor jeg kan se om røret er af eller på.

Koden skal nu skrives om – det er vist ikke så svært igen, men kræver lidt mere ro i hovedet end der normalt er efter en 10 timers arbejdsdag. Så det bliver ikke lige med det samme. Men nu begynder målet at være i sigte!

R and interruptions

For some interesting reasons, I’m learning Python and R. I’m done with the Codecademy introduction course in Python – and still lacking about 9000 hours of experience.

At the moment I’m doing the R introduction course from Datacamp. Not as good a course as the Codecademy, but good enough.

When I was much younger, and studying at the Technical University of Denmark, this would have been af three-week course, with an estimated workload of 140 hours (yep, we studied for almost 47 hours every week). Now, I have a lot more experience, and should be able to do it faster. On the other hand, I do not have 47 uninterrupted hours to set aside each week. More like 4. And they will be interrupted. At least twice every hour.

A post on DJØF-bladets homepage (in danish) tells of swedish research, revealing that when you are in flow, that is, when you are working at optimum efficiency, it will take 25 minutes to recover from an interruption.

A qualified guess is, that at the current level of interruptions, this three-week course, is converted to an 84 week course.

Moving the print journals

All the print journals, and all print books in closed stacks, have been moved from my little library. We started monday, and was finished friday. More or less, the materials have not yet been placed on their new shelfes at our main library. Now we’re just waiting to get rid of all the empty shelfes, and getting the new furniture for our students. More than 220 square meters for them! The students are looking forward to it, the faculty are worried that it’ll get to cozy at the library, and that the students will be late for classes. Yay!

Is everything just nice and great? No. It is strange, even for the former ebook-coordinator at the royal library, to see all the empty shelfes. Print books and journals have a permanence, that communicatets solidity and symbolises the scientific progress and knowledge in a way that digital ressources simply cannot. At least to people who grew up in the last millenium.

Moving print materials from open to closed stacks also symbolizes the changing world of libraries. We have always been the keepers of knowledge, and paper was the tangible symbols of that knowledge. We know that our mission is to provide access to information, and we know that we are able to do that much more efficiently with digital than with print materials. But it feels profoundly strange to relegate a couple of hundred years accumulated knowledge to closed stacks.

I sincerely believe that this is the future. I believe that the students will get better service even if we move the print material. But it still feels strange.

Internet of Things

One of the more interesting talks at MakerfaireUK was “Fixing the Internet of Things” by Alasdair Allan. The way IoT is made today is with a lot of different standards of communication. That leads to the troublesome conclusion, that none of them actually are standards. And the worrying possibility, that soon we will have to choose not only the wattage of a lightbulb, and the size of it. But also which protocol our “smart” lightbulb uses to communicate with the internet.

Another problem is the lack of privacy. Everything have been hacked. Even the White House mailservers… Allan believes that it is only a matter of time, before we see the first murder committed with the help of smart, internetconnected things.

A promising trend, counteracting these problems, is the way that Moores law helps us. Smart devices are not nessecarily becoming more smart. But they do come with increasing computing power. An interesting article on version2, a danish IT-site, touches on this. Read it here, and notice the competitive advantages companies trying to get in on the german market gets, when they can say that data is not stored on american servers…

Rats, mice, students and depression

 

Last friday Students of Pharmaceutical Sciences and the Pharmaceutical Library held our third academic seminar, this time with Jesper T. Andreasen. As is our custom with the seminar in the spring, the speaker is the recipient of the prestigeous award for teacher of the year. At the School of Pharmacy, that is. Jesper spoke about his work with mice and rats as models for the study of anxiety and depression. A very enlightening talk, I did not know that (some) treatments for alzheimers address the same receptors as nerve agents!

IMG_20150401_090758

KUB-Nørd

 

 

Or – Copenhagen University Library – Nerd. A danish pun on the name of the location of our makerspace/fablab/playground.

One of the truly great things about working at this library, is the playfull attitude to innovation of our library director. About two years ago he wrote me and asked – “this 3D-printing thing, is that very difficult?”. As an engineer there is only one answer “not at all, and the printer can stay in my office”. Actually I had suggested introducing 3D-printing in the library about a year before. We bought a Makerbot, we played around with it, and made it available to the students.

And yesterday we had the grand opening of our innovation-lab (thats the official title, KUB-Nørd is so much better). Three printers, a 3D-scanner, arduinos, Raspberry Pis, Lego Mindstorm and lots of other fun stuff to play with. And the students loved it!

KUB-Nørd

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Ledelse af frivillige

Det er ikke let.
Ledelse af frivillige involverer stort set alle de normale ledelsesopgaver og -udfordringer. Man skal som leder af frivillige ikke forholde sig til lønforhandlinger, arbejdspladsvurderinger, samarbejdsudvalg, medarbejderudviklingssamtaler osv. Til gengæld skal man forholde sig til hvilken kompensation (i form af gratis øl, t-shirts, bespisning etc) de frivillige skal have, hvilke arbejdsvilkår de har, en generalforsamling i foreningen, hvor du sidder overfor din egen ledelse – som ofte består af de frivillige, og de løbende overvejelser om hvordan de enkelte frivillige udvikles til at kunne varetage nye og mere komplicerede opgaver i den frivillige organisation.
Så er der alt det der komplicerer opgaven. Som leder af frivillige har man ikke en løn at lokke med. Man beder de frivillige lægge en ganske sparsom ressource hos dig – deres fritid – og til gengæld får de… ja hvad får de, hårdt arbejde og et varmt håndtryk. Hvis de ikke gider at løse opgaven, kan du ikke true dem med fyring, det eneste du kan gøre er at motivere dem. Strengt taget kan du godt fyre dem, men hvis de ikke gider slæbe tunge ting, og du fortæller dem at så får de heller ikke lov, er der ikke megen trussel i det.
Det der motiverer dem er det sociale samvær med andre frivillige, noget fryns (der var de gratis øl igen), og noget idealisme. Enkelte steder kan de også vælge at være frivillige, fordi de får noget på CV'et.
Endelig er der udvidelsen af de øvrige problemer man står med som arbejdsgiver. Barns første sygedag er et problem på arbejdspladser hvor folk får løn. Det er det også i frivillige organisationer. Men i de frivillige organisationer, er det ikke kun barns første sygedag der giver problemer. Det er også guldfiskens første sygedag, og chefens seneste fikse ide, der tager tid fra det frivillige arbejde.
Nok rant. Det der egentlig optager mig er offentlige myndigheders interaktion med frivillige. Når en kulturforvaltning eksempelvis stiller krav om dette eller hint, bevæger de sig ud i ledelse af frivillige. Og de gør sig sjældent klart, at for de frivillige, der er det idealismen der driver værket. Og gør det på bekostning af privatliv, nattesøvn, lønarbejdet osv. Når jeg bliver ringet op to gange inden for 15 minutter af en forvaltning der liiige skal have svar på yderligere et opklarende spørgsmål, så tager det tid fra mit arbejde. Det udløser også at jeg kommer senere hjem. Det stjæler af min fritid. Forvaltningen giver os penge, fordi vi har gang i noget som de synes er godt for kommunen (ellers gav de vel ikke penge). Men i deres omgang med frivillige, skal de være klar over, at vi netop er frivillige. Vi får ikke løn. Tværtimod.
Hver gang jeg hører politikere tale om at frivillige skal løfte flere opgaver på eksempelvis det sociale område, kan jeg ikke lade være med at tænke to ting: 1. Får jeg så rabat i skatten, når jeg laver arbejde jeg egentlig har betalt kommunen for at udføre? 2. Hvordan f"#¤"#% vil I sikre at den opgave bliver løst, hvis alle de frivillige bliver trætte af at udfylde skemaer, og tager hjem for at være sammen med deres familie i stedet for at arbejde gratis for kommunen?

Puha. Projekt selvstudier

Ud over at jeg ikke har noget (teoretisk) kendskab til erhvervsøkonomi. Og derfor skal læse det to-semesters kursus op inden jeg går i gang med samfundsøkonomi på CBS til vinter. Så er der lige et par andre ting jeg kunne have lyst til at hygge mig med: