All snapshots archived 13 March 2015.
Johan van der Knijff bitsgalore
bitsgalore
/ opfblogsInternetArchive.md
Last active
August 29, 2015 14:16
Archived Open Planets Foundation blogs in Internet Archive
bitsgalore
/ GeheugenVanNLSchematron.xml
Last active
August 29, 2015 14:17
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| <?xml version="1.0"?> | |
| <!-- | |
| Schematron jpylyzer schema: verify if JP2 conforms to | |
| KB's profile for access copies (A.K.A. KB_ACCESS_LOSSY_01/07/2014) | |
| Simplified version for Geheugen Van Nederland migration, omits specific requirements for | |
| resolution, colour space,compression ratio, XML box and codestream comment. | |
| Johan van der Knijff, KB / National Library of the Netherlands , 18 March 2014. | |
| --> | |
| <s:schema xmlns:s="http://purl.oclc.org/dsdl/schematron"> |
bitsgalore
/ compratio.sh
Created
April 8, 2015 16:18
Compute compression ratio for all JP2s in directory tree
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| #!/bin/bash | |
| # Compute compression ratio of each JP2 in directory tree, report results to CSV file | |
| # Requires: | |
| # - jpylyzer | |
| # - xmllint (part of libxml library) | |
| # | |
| # If you're using Windows you can run this shell script within a Cygwin terminal: http://www.cygwin.com/ | |
| # | |
| # Installation directory |
bitsgalore
/ extractlayers.sh
Created
April 9, 2015 11:25
For each JP2 image in a directory, generate derived image that discards user-defined number of quality layers. Requires Aware j2kdriver tool.
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| #!/bin/bash | |
| # Generate derived JP2s that discard user-specified number of quality layers from source JP2s | |
| # Requires: | |
| # - j2kdriver (Aware) | |
| # | |
| # If you're using Windows you can run this shell script within a Cygwin terminal: http://www.cygwin.com/ | |
| # | |
| # Installation directory | |
| instDir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" |
bitsgalore
/ extensionsKBDM.md
Last active
August 29, 2015 14:19
50 most prevalent formats in KB e-Depot by file extension, based on March 2014 count. Use scrollbar at bottom to display remarks column to the right.
| Extension | Number of files in e-Depot | ID(s) Tika | Remarks |
|---|---|---|---|
| gif | 34499095 | - image/gif | GIF image |
| xml | 12913388 | - application/xml | XML (mostly metadata) |
| jpg | 8197415 | N/A* | JPEG image |
| sml | 7744829 | - image/gif | GIF image with unusual extension |
| 7577414 | - application/pdf | ||
| raw | 2045662 | - text/plain | Text file |
| tif | 715509 | - image/tiff | TIFF image |
| oa3 | 296101 | - text/plain | Looks like SGML (oases, Kluwer). See also: Publisher Data Formats. Metadata. |
bitsgalore
/ zipfilesKBDM.md
Last active
August 29, 2015 14:19
File formats inside ZIP files (based on 22 ZIP files only!)
| Extension | ID Tika | Remarks |
|---|---|---|
| cif | text/plain | Crystallographic Information File |
| csv | text/csv | Comma-separated values |
| mol | text/plain | MDL Molfile |
| tdb | text/plain | Thermo-Calc Database Format |
| r | text/x-rsrc | R source code |
| m | text/x-objcsrc | Objective-C source code |
bitsgalore
/ softwareReadingRooms.md
Created
April 23, 2015 16:43
Rendering of top 50 formats in KB reading rooms
| Category | Rendering software in reading rooms | Formats accessible in reading rooms? |
|---|---|---|
| Image formats | MS Paint, Windows Photoviewer | Yes |
| Adobe Acrobat | Yes | |
| Web formats | Internet Explorer, Google Chrome | Yes |
| Office formats | Microsoft Office | Yes (support for old Office formats presently not clear) |
| Audio | Windows Media Player, VLC Media Player | No (hardware in reading rooms doesn't support audio) |
| Video | Windows Media Player, VLC Media Player | Partially (hardware in reading rooms doesn't support audio) |
| Metadata | Internet Explorer, Notepad, Wordpad | Yes |
| Executables, installers, system files | Not applicable | No |
| Category | Example formats | Needs dedicated software for rendering? |
|---|---|---|
| Image formats | JPEG, TIFF, BMP | Yes |
| Yes | ||
| Web formats | HTML, SWF | Yes |
| Office formats | Word, Excel, Powerpoint, RTF | Yes |
| Audio | WAV, AIFF, MP3 | Yes |
| Video | MP4, AVI | Yes |
| Metadata | XML, SGML | No (perhaps XML editor/viewer) |
| Executables, installers, system files | EXE, CAB, INF | No (unless in shielded virtual environment) |
bitsgalore
/ softwareReadingRooms.md
Last active
August 29, 2015 14:20
Software in KB reading rooms for each format category
| Format category | Rendering software |
|---|---|
| Image formats | MS Paint, Windows Photoviewer |
| Adobe Acrobat | |
| Web formats | Internet Explorer, Google Chrome |
| Office formats | Microsoft Office |
| Audio | Windows Media Player, VLC Media Player |
| Video | Windows Media Player, VLC Media Player |
| Metadata | Internet Explorer, Notepad, Wordpad |
| Executables, installers, system files | Not applicable |
bitsgalore
/ eDepotFExtentions_v3.md
Created
April 29, 2015 16:16
File extensions in KB e-Depot, status March 2014
| Number of files | File extension |
|---|---|
| 34499095 | .gif |
| 12913388 | .xml |
| 8197415 | .jpg |
| 7744829 | .sml |
| 7577414 | |
| 2045662 | .raw |
| 715509 | .tif |
| 296101 | .oa3 |
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