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Add notes for 2019-02-12

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Alan Orth 2019-02-12 09:24:28 +02:00
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content/posts/2019-02.md
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@ -531,4 +531,16 @@ Error sending email:
- Bosede from IITA said we can use "SOCIAL SCIENCE & AGRIBUSINESS" in their new IITA theme field to be consistent with other places they are using it
- Run all system updates on DSpace Test (linode19) and reboot it
## 2019-02-12
- I notice that [DSpace 6 has included a new JAR-based PDF thumbnailer based on PDFBox](https://jira.duraspace.org/browse/DS-3052), I wonder how good its thumbnails are and how it handles CMYK PDFs
- On a similar note, I wonder if we could use the performance-focused [libvps](https://libvips.github.io/libvips/) and the third-party [jlibvips Java library](https://github.com/codecitizen/jlibvips/) in DSpace
- Testing the `vipsthumbnail` command line tool with [this CGSpace item that uses CMYK](https://cgspace.cgiar.org/handle/10568/51999):
```
$ vipsthumbnail alc_contrastes_desafios.pdf -s 300 -o '%s.jpg[Q=92,optimize_coding,strip]'
```
- (DSpace 5 appears to use JPEG 92 quality so I do the same)
<!-- vim: set sw=2 ts=2: -->

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docs/2019-02/index.html
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<meta property="og:type" content="article" />
<meta property="og:url" content="https://alanorth.github.io/cgspace-notes/2019-02/" />
<meta property="article:published_time" content="2019-02-01T21:37:30&#43;02:00"/>
<meta property="article:modified_time" content="2019-02-10T15:42:34&#43;02:00"/>
<meta property="article:modified_time" content="2019-02-11T11:17:27&#43;02:00"/>
<meta name="twitter:card" content="summary"/>
<meta name="twitter:title" content="February, 2019"/>
@ -89,9 +89,9 @@ sys 0m1.979s
"@type": "BlogPosting",
"headline": "February, 2019",
"url": "https://alanorth.github.io/cgspace-notes/2019-02/",
"wordCount": "2817",
"wordCount": "2900",
"datePublished": "2019-02-01T21:37:30&#43;02:00",
"dateModified": "2019-02-10T15:42:34&#43;02:00",
"dateModified": "2019-02-11T11:17:27&#43;02:00",
"author": {
"@type": "Person",
"name": "Alan Orth"
@ -758,6 +758,21 @@ Please see the DSpace documentation for assistance.
<li>Run all system updates on DSpace Test (linode19) and reboot it</li>
</ul>
<h2 id="2019-02-12">2019-02-12</h2>
<ul>
<li>I notice that <a href="https://jira.duraspace.org/browse/DS-3052">DSpace 6 has included a new JAR-based PDF thumbnailer based on PDFBox</a>, I wonder how good its thumbnails are and how it handles CMYK PDFs</li>
<li>On a similar note, I wonder if we could use the performance-focused <a href="https://libvips.github.io/libvips/">libvps</a> and the third-party <a href="https://github.com/codecitizen/jlibvips/">jlibvips Java library</a> in DSpace</li>
<li>Testing the <code>vipsthumbnail</code> command line tool with <a href="https://cgspace.cgiar.org/handle/10568/51999">this CGSpace item that uses CMYK</a>:</li>
</ul>
<pre><code>$ vipsthumbnail alc_contrastes_desafios.pdf -s 300 -o '%s.jpg[Q=92,optimize_coding,strip]'
</code></pre>
<ul>
<li>(DSpace 5 appears to use JPEG 92 quality so I do the same)</li>
</ul>
<!-- vim: set sw=2 ts=2: -->

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docs/sitemap.xml
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<url>
<loc>https://alanorth.github.io/cgspace-notes/2019-02/</loc>
<lastmod>2019-02-10T15:42:34+02:00</lastmod>
<lastmod>2019-02-11T11:17:27+02:00</lastmod>
</url>
<url>
@ -209,7 +209,7 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/</loc>
<lastmod>2019-02-10T15:42:34+02:00</lastmod>
<lastmod>2019-02-11T11:17:27+02:00</lastmod>
<priority>0</priority>
</url>
@ -220,7 +220,7 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
<lastmod>2019-02-10T15:42:34+02:00</lastmod>
<lastmod>2019-02-11T11:17:27+02:00</lastmod>
<priority>0</priority>
</url>
@ -232,13 +232,13 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/posts/</loc>
<lastmod>2019-02-10T15:42:34+02:00</lastmod>
<lastmod>2019-02-11T11:17:27+02:00</lastmod>
<priority>0</priority>
</url>
<url>
<loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
<lastmod>2019-02-10T15:42:34+02:00</lastmod>
<lastmod>2019-02-11T11:17:27+02:00</lastmod>
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</url>