Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
Next revision Both sides next revision
meeting:2017-04 [2017/04/25 16:58]
scruss [Notes] - added video link
meeting:2017-04 [2018/01/15 08:21]
scruss [Moar Notes]
Line 19: Line 19:
 ==== Moar Notes ==== ==== Moar Notes ====
  
-  * [[http://​gscan2pdf.sourceforge.net/​|gscan2pdf]],​ if you like graphical things, //​probably//​ does what you want …+  ​* [[http://​scantailor.org/​|Scan Tailor]] does a decent job of slicing up scanned books. 
 + 
 +  ​* [[http://​gscan2pdf.sourceforge.net/​|gscan2pdf]],​ if you like graphical things, //​probably//​ does what you want with scanned images ​
  
   * alternative to [[https://​en.wikipedia.org/​wiki/​Comic_book_archive|cbz]] format that's readable as a PDF yet retains JPEG files intact: collate with [[https://​gitlab.mister-muffin.de/​josch/​img2pdf|img2pdf]],​ burst apart with ''​pdfimages -j …''​ from [[https://​poppler.freedesktop.org/​|Poppler]].   * alternative to [[https://​en.wikipedia.org/​wiki/​Comic_book_archive|cbz]] format that's readable as a PDF yet retains JPEG files intact: collate with [[https://​gitlab.mister-muffin.de/​josch/​img2pdf|img2pdf]],​ burst apart with ''​pdfimages -j …''​ from [[https://​poppler.freedesktop.org/​|Poppler]].
Line 27: Line 29:
     * PDF/A archival format: [[https://​ghostscript.com/​doc/​current/​Ps2pdf.htm#​PDFA|Creating a PDF/A document from PostScript in ghostscript]],​ [[https://​stackoverflow.com/​questions/​1659147/​how-to-use-ghostscript-to-convert-pdf-to-pdf-a-or-pdf-x/​9343820#​9343820|converting a PDF to PDF/A]]: ''​gs -dPDFA -dBATCH -dNOPAUSE -dUseCIEColor -sProcessColorModel=DeviceCMYK -sDEVICE=pdfwrite -sPDFACompatibilityPolicy=1 -sOutputFile=output_filename.pdf input_filename.pdf''​. If you need to work out if the document is colour or not, ghostscript'​s [[https://​ghostscript.com/​doc/​current/​Devices.htm|inkcov]] device can tell you if colour was used at all.     * PDF/A archival format: [[https://​ghostscript.com/​doc/​current/​Ps2pdf.htm#​PDFA|Creating a PDF/A document from PostScript in ghostscript]],​ [[https://​stackoverflow.com/​questions/​1659147/​how-to-use-ghostscript-to-convert-pdf-to-pdf-a-or-pdf-x/​9343820#​9343820|converting a PDF to PDF/A]]: ''​gs -dPDFA -dBATCH -dNOPAUSE -dUseCIEColor -sProcessColorModel=DeviceCMYK -sDEVICE=pdfwrite -sPDFACompatibilityPolicy=1 -sOutputFile=output_filename.pdf input_filename.pdf''​. If you need to work out if the document is colour or not, ghostscript'​s [[https://​ghostscript.com/​doc/​current/​Devices.htm|inkcov]] device can tell you if colour was used at all.
     * Cryptographic signing: Rough process here, using an X.509 certificate issued by ARRL: [[http://​scruss.com/​blog/​2011/​10/​09/​creating-secure-digital-qsl-cards-with-your-lotw-certificate/​|Creating secure digital QSL cards with your LoTW certificate]]. I wonder if you could use P12 certs issued by [[https://​letsencrypt.org/​|Let’s Encrypt]]?     * Cryptographic signing: Rough process here, using an X.509 certificate issued by ARRL: [[http://​scruss.com/​blog/​2011/​10/​09/​creating-secure-digital-qsl-cards-with-your-lotw-certificate/​|Creating secure digital QSL cards with your LoTW certificate]]. I wonder if you could use P12 certs issued by [[https://​letsencrypt.org/​|Let’s Encrypt]]?
- 
-  * [[http://​scantailor.org/​|Scan Tailor]] does a decent job of slicing up books. 
  
   * other OCR software: [[https://​launchpad.net/​cuneiform-linux|Cuneiform]] used to be a contender and may still be useful. Not so sure about Gnu ocrad, gocr/jocr, …    * other OCR software: [[https://​launchpad.net/​cuneiform-linux|Cuneiform]] used to be a contender and may still be useful. Not so sure about Gnu ocrad, gocr/jocr, … 
Line 42: Line 42:
   * Chris B. suggested [[https://​github.com/​oniony/​TMSU|oniony/​TMSU:​ TMSU lets you tags your files and then access them through a nifty virtual filesystem from any other application.]]   * Chris B. suggested [[https://​github.com/​oniony/​TMSU|oniony/​TMSU:​ TMSU lets you tags your files and then access them through a nifty virtual filesystem from any other application.]]
   * [[http://​weasyprint.org/​|WeasyPrint]] is the rather clever Python-based web→PDF printer application I mentioned   * [[http://​weasyprint.org/​|WeasyPrint]] is the rather clever Python-based web→PDF printer application I mentioned
 +  * If you're running a Gnome-based system and the [[https://​wiki.gnome.org/​Projects/​Tracker/​|Tracker]] desktop search engine is running amuck, it's probably getting stuck indexing a particular file. I posted a workaround here: [[https://​askubuntu.com/​questions/​914581/​no-progress-updates-from-gnome-tracker/​914602#​914602|no progress updates from gnome tracker - Ask Ubuntu]]
  
 ===== Meta ===== ===== Meta =====
  • meeting/2017-04.txt
  • Last modified: 3 years ago
  • by scruss