Add notes for 2023-03-21

content/posts/2023-03.md

@@ -449,5 +449,10 @@ $ psql dspace < /tmp/reindex.sql
 - I did a follow up to the publisher names from last week using the list from doi.org
   - Last week I only updated items with a DOI that had *no* publisher, but now I was curious to see how our existing publisher information compared
   - I checked a dozen or so manually and, other than CIFOR/ICRAF and CIAT/Alliance, the metadata was better than our existing data, so I overwrote them
+- I spent some time trying to figure out how to get ssimulacra2 running so I could compare thumbnails in JPEG and WebP
+  - I realized that we can't directly compare JPEG to WebP, we need to convert to JPEG/WebP, then convert each to lossless PNG
+  - Also, we shouldn't be comparing the resulting images against each other, but rather the original, so I need to a straight PDF to lossless PNG version also
+  - After playing with WebP at Q82 and Q92, I see it has lower ssimulacra2 scores than JPEG Q92 for the dozen test files
+  - Could it just be something with ImageMagick?
 
 <!-- vim: set sw=2 ts=2: -->

docs/2023-03/index.html

@@ -16,7 +16,7 @@ I finally got through with porting the input form from DSpace 6 to DSpace 7
 <meta property="og:type" content="article" />
 <meta property="og:url" content="https://alanorth.github.io/cgspace-notes/2023-03/" />
 <meta property="article:published_time" content="2023-03-01T07:58:36+03:00" />
-<meta property="article:modified_time" content="2023-03-19T19:48:06+03:00" />
+<meta property="article:modified_time" content="2023-03-21T16:35:41+03:00" />
 
 
 
@@ -38,9 +38,9 @@ I finally got through with porting the input form from DSpace 6 to DSpace 7
   "@type": "BlogPosting",
   "headline": "March, 2023",
   "url": "https://alanorth.github.io/cgspace-notes/2023-03/",
-  "wordCount": "3128",
+  "wordCount": "3229",
   "datePublished": "2023-03-01T07:58:36+03:00",
-  "dateModified": "2023-03-19T19:48:06+03:00",
+  "dateModified": "2023-03-21T16:35:41+03:00",
   "author": {
     "@type": "Person",
     "name": "Alan Orth"
@@ -610,6 +610,14 @@ pd.options.mode.nullable_dtypes = True
 <li>I checked a dozen or so manually and, other than CIFOR/ICRAF and CIAT/Alliance, the metadata was better than our existing data, so I overwrote them</li>
 </ul>
 </li>
+<li>I spent some time trying to figure out how to get ssimulacra2 running so I could compare thumbnails in JPEG and WebP
+<ul>
+<li>I realized that we can&rsquo;t directly compare JPEG to WebP, we need to convert to JPEG/WebP, then convert each to lossless PNG</li>
+<li>Also, we shouldn&rsquo;t be comparing the resulting images against each other, but rather the original, so I need to a straight PDF to lossless PNG version also</li>
+<li>After playing with WebP at Q82 and Q92, I see it has lower ssimulacra2 scores than JPEG Q92 for the dozen test files</li>
+<li>Could it just be something with ImageMagick?</li>
+</ul>
+</li>
 </ul>
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docs/categories/index.html

@@ -10,7 +10,7 @@
 <meta property="og:description" content="Documenting day-to-day work on the [CGSpace](https://cgspace.cgiar.org) repository." />
 <meta property="og:type" content="website" />
 <meta property="og:url" content="https://alanorth.github.io/cgspace-notes/categories/" />
-<meta property="og:updated_time" content="2023-03-19T19:48:06+03:00" />
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docs/categories/notes/index.html

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 <meta property="og:description" content="Documenting day-to-day work on the [CGSpace](https://cgspace.cgiar.org) repository." />
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docs/categories/notes/page/2/index.html

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 <meta property="og:description" content="Documenting day-to-day work on the [CGSpace](https://cgspace.cgiar.org) repository." />
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docs/categories/notes/page/3/index.html

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 <meta property="og:description" content="Documenting day-to-day work on the [CGSpace](https://cgspace.cgiar.org) repository." />
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docs/categories/notes/page/4/index.html

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docs/categories/notes/page/5/index.html

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-<meta property="og:updated_time" content="2023-03-19T19:48:06+03:00" />
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docs/categories/notes/page/6/index.html

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docs/index.html

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docs/page/10/index.html

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docs/page/2/index.html

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docs/page/3/index.html

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docs/page/4/index.html

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docs/page/5/index.html

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docs/page/9/index.html

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docs/posts/index.html

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docs/posts/page/10/index.html

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docs/sitemap.xml

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