Re: [CODE4LIB] Displaying archival books on ipad and android tablets
On Sat, Feb 23, 2013 at 12:50 AM, Kyle Banerjee kyle.baner...@gmail.com wrote: We have a few digitized books, (some of them are old -- we're talking 500 years). Sizes are all over the place but the big ones are easily the size of a large briefcase. We want to make these works more accessible/usable and there's some demand to make them available for tablets. What experience do people have with stuff like that, and what software/services/methods do you recommend? Source files are 600 dpi uncompressed tiffs so they're pretty big and there's nothing special about a book being over 10GB in size. Thanks, kyle I have tried an open source project Diva I have greyscale images in TIFF for the online zoomable display of some manuals Here is a scan of a photocopy 36 page http://www.collection.archivist.info/diva/#z=4p=32 and here a technical manual http://www.collection.archivist.info/diva/lucastp1.html I have two copies so the user can see two views at the same time on the second example. They are served on an ADSL line direct from home so you can get the idea of its speed due to the way it is only sending tiles as needed for display and not bloat like whole PDF. Dave Caroline
Re: [CODE4LIB] Displaying archival books on ipad and android tablets
I did PDF. There are about no studies on PDF size and usability. What I did is go to gray scale for text pages to knock down file size, played with optimizing, and broke super long (think 3K page book) files in smaller chunks When I looked at other big long books online, I found they tended to use 300 dpi gray scale or 600 dpi black and white. I just looked at government documents, because that's what I worked with. Hadn't thought about doing government reports. That's a good use case for what we have -- one of ours got downloaded about 7,000 times last month alone. I could probably make those really manageable in size as most pages would be just fine bitonal. Can you say a bit about what you discovered while playing with optimization? Since archival books are a prime target, fidelity is important -- there is significant artwork on many pages. I'll have to scale down and would really like to avoid grayscaling if necessary. kyle
Re: [CODE4LIB] Displaying archival books on ipad and android tablets
Hi Kyle, You might want to have a look at our Diva viewer (http://ddmal.music.mcgill.ca/diva/). We've tested it on books that are over 100GB total, and images that are around 200MB each. For example: http://coltrane.music.mcgill.ca/salzinnes/experiments/diva-cci-tif/ Each page is about 180MB each (uncompressed TIFF). Here's some features: -- Supports JPEG2000 and Pyramid TIFF via the IIP Image Server. -- Almost immediate viewing. You're only downloading the parts of the page that you're seeing, so even if a book is huge, you won't download it until you need it. So you don't need to try to do tons of compression or conversion to greyscale to try and get file size down. -- Multiple zoom levels per page so you can get a very detailed look, or zoom out to quickly navigate the pages. -- Grid layout for even faster navigation. -- Easily create links to very specific parts of a page (e.g., http://coltrane.music.mcgill.ca/salzinnes/experiments/diva-cci-tif/#f=truez=5n=5i=salz-1-002-recto.tify=5276x=-1075) -- We have a nifty HTML5 canvas view that lets you do some basic image manipulation in the browser (rotate, brightness, contrast, colour channel manipulation). Above each page there's a little gear icon; clicking this will take you to the image manipulator. Your manipulations are also stored locally, so you can return to the page with your modifications intact. We did this because our scholars wanted to view things like marginalia, or increase the contrast for faded inks. -- You can integrate it into an existing page or digital collection. -- Lots of public hooks for tying it in to other scripts, and a simple plugin API for extending it. And, it's all open source. https://github.com/DDMAL/diva.js Hope that helps. -Andrew On 2013-02-23, at 7:51 AM, Kyle Banerjee kyle.baner...@gmail.com wrote: I did PDF. There are about no studies on PDF size and usability. What I did is go to gray scale for text pages to knock down file size, played with optimizing, and broke super long (think 3K page book) files in smaller chunks When I looked at other big long books online, I found they tended to use 300 dpi gray scale or 600 dpi black and white. I just looked at government documents, because that's what I worked with. Hadn't thought about doing government reports. That's a good use case for what we have -- one of ours got downloaded about 7,000 times last month alone. I could probably make those really manageable in size as most pages would be just fine bitonal. Can you say a bit about what you discovered while playing with optimization? Since archival books are a prime target, fidelity is important -- there is significant artwork on many pages. I'll have to scale down and would really like to avoid grayscaling if necessary. kyle
[CODE4LIB] Job: Publishing Assistant at University of Surrey
Ref. 9251 Salary up to £24,049 per annum (pro-rata) 21 hours per week The Department of Sociology wishes to appoint a part-time Publishing Assistant to cover a period of maternity leave. You will provide an efficient administrative and secretarial support for Sociological Research Online, an electronic journal. Main duties include maintaining the journal's databases, handling general correspondence, preparing articles for publication and creating each new issue of the journal. The post is available from 1st April 2013 for a period of 7 months. You should be organised, flexible and have an accurate approach to your work. You will be able to demonstrate excellent interpersonal and organisational ability along with strong written communication skills. Previous web publishing experience would be an advantage. To apply online, please click the '[Apply](http://www.surrey.ac.uk/jobs)' button. If you are unable to apply online, please contact Meriem Trollope via e-mail on m.troll...@surrey.ac.uk or by telephone on 01483 689646 quoting reference number 9251. Closing date for applications: 4th March 2013 Brought to you by code4lib jobs: http://jobs.code4lib.org/job/6437/
[CODE4LIB] Job: PhD position, numerical modeling of wood damage for museum conservation at Eindhoven University of Technology
**Job description** **The Climate4Wood project:** The Climate4Wood project is funded by NWO (Netherlands Organisation for Scientific Research): Science4Arts which aims to develop and strengthen interchange between the research of various research institutions and the museological field (www.nwo.nl/science4arts). The Climate4Wood project team operates within a unique interdisciplinary cooperation of Rijksmuseum Amsterdam (www.rijksmuseum.nl), Eindhoven and Delft Universities of Technology and Cultural Heritage Agency of the Netherlands. Damage caused by fluctuations in museum climate is regarded as one of the main risks to museum collections. Very strict standards for climate specifications have been developed in the past, leading to high implementation and energy costs. Research done since the 1990's indicates that these specifications might be unnecessarily strict. Further research is required to define to which extent climate specifications can be relaxed without causing damage to susceptible objects, in particular wooden panels (paintings and furniture). The thermal, hygroscopic and mechanical processes responsible for damage in wood need to be understood in full detail in order to arrive at adequate recommendations for the preservation of wooden panels. The aim of the Climate4Wood project is to identify the fluctuations in relative humidity that decorated wooden panels can safely sustain and to develop rational guidelines for the climate specifications in the museums. The two PhD's in conservation and in thermo-hygro-mechanical modelling will closely work together to understand the response of wooden panels and the damage failure criteria. A postdoc will determine and model the relevant non- linear material properties. The project outcome will enable the development of a decision-making model that will help museums to reduce their energy and maintenance costs and to preserve their collections. **The 2 positions:** 1. PhD in panel conservation: Not vacant anymore: This position has been filled since 1 December 2012 The PhD candidate will carry out a systematic analysis of climate related degradation of decorated panels (paintings and furniture) in the collection of the Rijksmuseum as well as some related panels in other collections. Based on this study parameters will be defined which are relevant for material and mechanical modelling. The candidate will work mainly in the Rijksmuseum and will closely collaborate with PhD2. **2. PhD in thermo-hygro-mechanical modelling of wood damage:** The aim of this PhD project is to develop a robust and reliable numerical tool that can be used for the prediction of wood damage under coupled thermo-hygro- mechanical loading conditions. The damage mechanisms developing in wood include local plasticity and fracture, where the orientation is influenced by the principal directions of the orthotropic microstructure. The properties of the microstructural constituents (cellulose, hemi-cellulose and lignin) change with time, thereby possibly inducing aging of the effective material properties. The goal is to incorporate these complex characteristics and mechanisms in a micro-mechanical material formulation, which subsequently will be implemented within a Finite Element Model (FEM) for performing advanced numerical analyses on wooden panel paintings. The properties and geometry of the gesso and paint layers are accounted for in model variation studies, which must lead to a detailed insight and the formulation of solid guidelines for the preservation of wooden panel paintings. The appointed candidate will work mainly in the TU/e and will closely collaborate with PhD1. **Requirements** Applicants should have the following qualifications: 1. PhD in panel conservation: Not vacant anymore: This position has been filled since 1 December 2012 2. PhD in thermo-hygro-mechanical modelling of wood damage Requirements: The candidate should have an MSc degree in engineering, and have a strong affinity with material science. Experience with the following topics is recommended: Continuum mechanics Thermodynamics Partial differential equations Numerical methods FEM code development Further requirements are: An excellent command of English, both written and spoken Good communication skills and being pro-active Being able to work on interdisciplinary topics Affinity with works of art **Conditions of employment:** We offer a challenging job in dynamic and ambitious environments; The gross monthly salary increases from € 2042,- in the first year to € 2612,- in the fourth year, plus 8% holiday allowance and 8.3% end of the year allowance. Besides this, the TU/e has an excellent package of attractive benefits for employees, a child-care facility, and a modern sports complex. Assistance for finding accommodation can be given. The employment is for a period of 4 years. The total duration of the
[CODE4LIB] Job: Publishing Assistant at University of Surrey
The Department of Sociology wishes to appoint a part-time Publishing Assistant to cover a period of maternity leave. You will provide an efficient administrative and secretarial support for Sociological Research Online, an electronic journal. Main duties include maintaining the journal's databases, handling general correspondence, preparing articles for publication and creating each new issue of the journal. The post is available from 1st April 2013 for a period of 7 months. You should be organised, flexible and have an accurate approach to your work. You will be able to demonstrate excellent interpersonal and organisational ability along with strong written communication skills. Previous web publishing experience would be an advantage. To apply online, please click the '[Apply](http://www.surrey.ac.uk/jobs)' button. If you are unable to apply online, please contact Meriem Trollope via e-mail on m.troll...@surrey.ac.uk or by telephone on 01483 689646 quoting reference number 9251. Closing date for applications: 4th March 2013 Brought to you by code4lib jobs: http://jobs.code4lib.org/job/6436/
[CODE4LIB] jobs.code4lib.org and job locations
If you happen to post jobs to code4lib.org you'll notice that you can now add a location for the job. In fact you are required to fill it in when posting. The location input field uses Freebase Suggest just like the employer and tag fields. When you select an employer the location will auto-populate with the employer's headquarters location, but you can change it if the job happens to be somewhere else...which does happen from time to time. I retroactively applied as many locations as I could using the employer. One nice side effect (other than seeing where the job is for in the UI) is having lat/lon geo-coordinates for the job. I haven't built any maps into the UI yet, but I did expose the coordinates in the Atom feed which lets you do this: https://maps.google.com/maps?q=http://jobs.code4lib.org/feed/ The small number of markers is because this is just the first page of the feed, e.g. https://maps.google.com/maps?q=http://jobs.code4lib.org/feed/2/ https://maps.google.com/maps?q=http://jobs.code4lib.org/feed/3/ https://maps.google.com/maps?q=http://jobs.code4lib.org/feed/4/ ... If someone has an interest in playing with LeafletJS or something to get some map views into jobs.code4lib.org proper that might be a fun experiment, if you have any spare time. Many thanks to Ted Lawless for the work to get this going, and also to Mark Matienzo for tirelessly assigning employers to the historic job postings. There are still a few kinks to work out (some historic postings that had addresses in non-standard places in the freebase data), but please feel free to file issue tickets on Github [1] if you notice anything odd. //Ed [1] https://github.com/code4lib/shortimer
Re: [CODE4LIB] jobs.code4lib.org and job locations
On Sun, Feb 24, 2013 at 2:14 AM, Ed Summers e...@pobox.com wrote: If you happen to post jobs to code4lib.org you'll notice that you can now add a location for the job. In fact you are required to fill it in when posting. s/code4lib.org/jobs.code4lib.org/ That's what I get for writing email at 2am I guess... //Ed On Sun, Feb 24, 2013 at 2:14 AM, Ed Summers e...@pobox.com wrote: If you happen to post jobs to code4lib.org you'll notice that you can now add a location for the job. In fact you are required to fill it in when posting. The location input field uses Freebase Suggest just like the employer and tag fields. When you select an employer the location will auto-populate with the employer's headquarters location, but you can change it if the job happens to be somewhere else...which does happen from time to time. I retroactively applied as many locations as I could using the employer. One nice side effect (other than seeing where the job is for in the UI) is having lat/lon geo-coordinates for the job. I haven't built any maps into the UI yet, but I did expose the coordinates in the Atom feed which lets you do this: https://maps.google.com/maps?q=http://jobs.code4lib.org/feed/ The small number of markers is because this is just the first page of the feed, e.g. https://maps.google.com/maps?q=http://jobs.code4lib.org/feed/2/ https://maps.google.com/maps?q=http://jobs.code4lib.org/feed/3/ https://maps.google.com/maps?q=http://jobs.code4lib.org/feed/4/ ... If someone has an interest in playing with LeafletJS or something to get some map views into jobs.code4lib.org proper that might be a fun experiment, if you have any spare time. Many thanks to Ted Lawless for the work to get this going, and also to Mark Matienzo for tirelessly assigning employers to the historic job postings. There are still a few kinks to work out (some historic postings that had addresses in non-standard places in the freebase data), but please feel free to file issue tickets on Github [1] if you notice anything odd. //Ed [1] https://github.com/code4lib/shortimer
