Daniel Reetz, the founder of the DIY Book Scanner community, has recently started making videos of prototyping and shop tips. If you are tinkering with a book scanner (or any other project) in your home shop, these tips will come in handy. https://www.youtube.com/channel/UCn0gq8 ... g_8K1nfInQ

Search found 11 matches

by gareth
11 Feb 2019, 06:48
Forum: HELP
Topic: pdfbeads on Ubuntu 18.10
Replies: 3
Views: 1095

Re: pdfbeads on Ubuntu 18.10

The standard ImageMagick version in Ubuntu’s repositories doesn’t support jpeg2000 compression. You need to compile newer version of ImageMagick to have this (it may be tricky as there are other dependencies that need to be resolved first). Moreover there is no jbig2 compression available by defaul...
by gareth
09 Feb 2019, 07:05
Forum: HELP
Topic: pdfbeads on Ubuntu 18.10
Replies: 3
Views: 1095

pdfbeads on Ubuntu 18.10

Another version of Ubuntu, another breakage in PDFbeads and dependencies. Has anyone seen an issue like this in post-processing ScanTailor output in Ubuntu 18.10 (cosmic): gareth@comte:/mnt/data/gareth/scans/pcpilot118/out$ pdfbeads EPSON038.tif > tmp.pdf [DEPRECATION] requiring "RMagick" is depreca...
by gareth
14 Mar 2015, 07:36
Forum: Spreads and SpreadPi
Topic: Spreads for single camera
Replies: 3
Views: 8262

Re: Spreads for single camera

I haven't made any plugin progress on this but I've posted a standalone script I've been using in my workflow at the moment here, in case it's of any use to anyone else: https://gist.github.com/gareth8118/c792fe58ed4065821968 #!/usr/bin/env python import shutil import argparse def interleave_pages(s...
by gareth
28 Feb 2015, 05:24
Forum: Spreads and SpreadPi
Topic: Spreads for single camera
Replies: 3
Views: 8262

Re: Spreads for single camera

That sounds right. One thing to watch out for is that Spreads may have been inserting EXIF metadata into all of the shots to tag them as 'rotated'. So if your rotation seems wonky, I'd check that possibility first. Oh, that's interesting - I had noticed that the autorotate plugin used the EXIF to r...
by gareth
27 Feb 2015, 18:33
Forum: Spreads and SpreadPi
Topic: Spreads for single camera
Replies: 3
Views: 8262

Spreads for single camera

I'm working away at getting spreads useable for the cardboard-box scanner use case since I'm still negotiating space for a two-camera setup. Spreads is happy enough capturing in single camera mode now so I have some data to work with as I try to hone the workflow. The way I've shot the first book is...
by gareth
25 Feb 2015, 15:48
Forum: Spreads and SpreadPi
Topic: Spreads A2200/CHDKPTP camera crash SOLVED
Replies: 0
Views: 7308

Spreads A2200/CHDKPTP camera crash SOLVED

Those on IRC may know that I have been having a problem with my A2200 cameras under spreads on Ubuntu for a while; when spreads attempted to remote shoot, the camera crashed and powered down with a failure like this: Terminal code: A2200Device[odd]: Capture command failed. spreads encountered an err...
by gareth
27 Sep 2014, 15:02
Forum: Spreads and SpreadPi
Topic: Spreads development environment
Replies: 3
Views: 2087

Re: Spreads development environment

On Ubuntu, you will have to install "turbojpeg-devel". See this GitHub issue for a longer discussion of the relocation error: https://github.com/jbaiter/jpegtran-cffi/issues/5 For the sake of completeness: I couldn't find turbojpeg-devel in the repos, but I could find libturbojpeg which you mention...
by gareth
20 Sep 2014, 04:48
Forum: Spreads and SpreadPi
Topic: Spreads development environment
Replies: 3
Views: 2087

Re: Spreads development environment

Can't seem to edit the post so I'll just reply to my own post - the corresponding Debian failure looks like this

Code: Select all

local/lib/python2.7/site-packages/jpegtran/__pycache__/_cffi__xb366312fxf3ca0677.c:186:27: fatal error: turbojpeg.h: No such file or directory
compilation terminated.
by gareth
19 Sep 2014, 15:09
Forum: Spreads and SpreadPi
Topic: Spreads development environment
Replies: 3
Views: 2087

Spreads development environment

Hi there, I'm starting to set up a development environment based on some IRC conversations with jbaiter. I've documented what is working so far on this branch here: https://github.com/gareth8118/spreads/blob/doc-updates/doc/developers.rst and I'll open a pull request when it's useable. However, I'm ...
by gareth
20 Jul 2014, 16:33
Forum: Introductions and connections
Topic: Post something about yourself here (The Hello Thread)
Replies: 437
Views: 376284

Re: Post something about yourself here (The Hello Thread)

Hi there, (repeating some of what I put into the standalone thread I started before I realised I was supposed to append to this one) I'm Gareth and I'm a member of Edinburgh Hacklab on the east coast of sunny Scotland. My day job is in the semiconductor industry, and by night I like to tinker with a...