Latest Articles

LEAF Writer: Customizing Schemas

Overview This is an investigation record on how to customize LEAF Writer. https://gitlab.com/calincs/cwrc/leaf-writer/leaf-writer This time, it is a memo on how to customize schemas. The goal is to display Japanese translations and other customizations as shown below. Below is the display before customization. Based on the following schema, many elements are displayed with English descriptions. https://www.tei-c.org/release/xml/tei/custom/schema/relaxng/tei_all.rng Method Specify the schema file as follows. https://github.com/kouigenjimonogatari/kouigenjimonogatari.github.io/blob/master/xml/lw/01.xml Specifically: <?xml-model href="https://kouigenjimonogatari.github.io/lw/tei_genji.rng" type="application/xml" schematypens="http://relaxng.org/ns/structure/1.0"?> LEAF Writer reads this schema file and uses it for validation and presenting available elements. ...

June 29, 2024 · Updated: June 29, 2024 · 2 min · Nakamura

Google Spreadsheet + GAS (Google Apps Script) onEdit Executing Twice

Overview When using GAS (Google Apps Script) to add processing when editing a Google Spreadsheet, there were cases where the onEdit function was executed twice upon editing the spreadsheet. Cause and Solution The cause was that the onEdit function was also selected as a trigger for spreadsheet editing. Since onEdit is a reserved function, there was no need to set up a trigger for it. Summary I hope this is helpful for anyone experiencing the same issue. ...

June 28, 2024 · Updated: June 28, 2024 · 1 min · Nakamura

Understanding the Relationship Between RDF, Turtle, JSON-LD, and IIIF Manifest Files

Overview To verify that IIIF manifests are written in JSON-LD, I tried converting them to other formats, so this is a memo of that process. We hope this serves as a useful reference for understanding the relationship between RDF and file formats such as JSON-LD and Turtle, as well as their relationship with IIIF manifest files described in JSON-LD. Target For this exercise, we will use the following manifest file published on the NDL Digital Collection. ...

June 28, 2024 · Updated: June 28, 2024 · 3 min · Nakamura

Partial Update to TEI/XML Published in the Koui Genji Monogatari Text Data Repository

Overview I publish TEI/XML files for the Koui Genji Monogatari (Variorum Tale of Genji) in the following repository. https://github.com/kouigenjimonogatari I made some changes to the TEI/XML published here, so this is a note about those changes. Folder Structure Files before the modifications are stored here. There are no changes from before. https://github.com/kouigenjimonogatari/kouigenjimonogatari.github.io/tree/master/tei The updated files are stored here. https://github.com/kouigenjimonogatari/kouigenjimonogatari.github.io/tree/master/xml/lw This directory contains XML files with the modifications described below. Modifications Adding a Schema The following rng file was added. ...

June 28, 2024 · Updated: June 28, 2024 · 2 min · Nakamura

LEAF Writer: Entity Lookup for Japan Search

Overview This is an investigation record on how to customize LEAF Writer. https://gitlab.com/calincs/cwrc/leaf-writer/leaf-writer This time, it is a memo on how to add Entity Lookup. Specifically, we add functionality to query the Japan Search utilization schema, as shown below. Method The following changes were made to the forked repository. https://gitlab.com/nakamura196/leaf-writer/-/commit/69e10e2ddd17f6cd01501fbf29f0dd86d1e86a3a Usage You can try a version with partially Japanese-localized UI using the following repository. https://gitlab.com/nakamura196/leaf-writer Please refer to the following for startup instructions. ...

June 27, 2024 · Updated: June 27, 2024 · 1 min · Nakamura

LEAF Writer: Adding Japanese UI

Overview This is a research note on how to customize LEAF Writer. https://gitlab.com/calincs/cwrc/leaf-writer/leaf-writer This article covers how to add Japanese UI as a note. Method The following changes were made to a forked repository. https://gitlab.com/nakamura196/leaf-writer/-/commit/c9b7053814fc1e5a27a1847f20076096832dd68b Usage You can try a version with partially Japanese-localized UI using the following repository. https://gitlab.com/nakamura196/leaf-writer For startup instructions, please refer to the following. Summary I hope this is helpful for applications of LEAF Writer. ...

June 27, 2024 · Updated: June 27, 2024 · 1 min · Nakamura

Published the Mirador 4 Version of mirador-sync-windows Repository

Overview In the following article, I introduced the creation of the Mirador 4 (3) version of mirador-sync-windows. This time, I am writing a quick note about publishing the repository for this plugin. Repository It is available at the following URL. https://github.com/nakamura196/mirador-sync-windows Demo Page You can try it out at the following URL. https://nakamura196.github.io/mirador-sync-windows/ Here are the configurations I made for publishing on GitHub Pages. webpack I made some changes to the following file. ...

June 27, 2024 · Updated: June 27, 2024 · 1 min · Nakamura

Mirador 4 Plugin Development: Rotating Images at Arbitrary Angles

Overview I created a plugin for Mirador 4 that allows rotating images at arbitrary angles. https://github.com/nakamura196/mirador-rotation-plugin You can check the behavior at the following URL. https://nakamura196.github.io/mirador-rotation-plugin/ Background I had been developing this plugin for Mirador 3, but Mirador 4 was pre-released on 2024/3/15. https://github.com/ProjectMirador/mirador/releases/tag/v4.0.0.alpha-1 The latest version of Mirador 3, v3.3.0, was released in 2021, so the libraries it used had become outdated. With this update, development has become easier. ...

June 27, 2024 · Updated: June 27, 2024 · 2 min · Nakamura

Publishing a Customized Mirador 4 as an npm Package

Overview I had the opportunity to publish a customized Mirador 4 as an npm package, so this is a memo of the process. Fork Fork the repository from the following official site. https://github.com/projectmirador/mirador The result looks like this: Create a Branch Clone and create a branch. git clone https://github.com/nakamura196/mirador cd mirador git checkout -b feature-add-immediately-property The following output appears: Switched to a new branch 'feature-add-immediately-property' Development Make modifications as introduced in the following article. ...

June 27, 2024 · Updated: June 27, 2024 · 2 min · Nakamura

Examining Zoom, Scale, and Rotation Behavior in Mirador 4

Overview I needed to change the zoom, scale, and rotation behavior of Mirador 4, so this is a memo on how to make those changes. Setup Start Mirador 4 locally with the following commands. git clone https://github.com/projectmirador/mirador cd mirador pnpm i pnpm start It starts on port 4444. Customizing the zoomIn Processing As an example, let’s modify the processing when the zoomIn button is clicked as follows. ... handleZoomInClick() { const { windowId, updateViewport, viewer } = this.props; updateViewport(windowId, { // zoom: viewer.zoom * 2, zoom: viewer.zoom * 1.1, // added rotation: viewer.rotation + 5, // added x: viewer.x * 1.1, // added y: viewer.y * 1.1, // added }); } ... As a result, when pressing the zoomIn button, you can see that zoom and rotation occur while the center shifts slightly. ...

June 26, 2024 · Updated: June 26, 2024 · 3 min · Nakamura

Running LEAF-Writer in a Local Environment

Overview I had the opportunity to run LEAF-Writer in a local environment, so here are my notes. Repository The following repository is used. https://gitlab.com/calincs/cwrc/leaf-writer/leaf-writer Method git clone https://gitlab.com/calincs/cwrc/leaf-writer/leaf-writer cd leaf-writer npm i npm run dev LEAF-Writer starts on port 3000. Summary There also seems to be a method using Docker, so I will share it once I figure it out.

June 26, 2024 · Updated: June 26, 2024 · 1 min · Nakamura

Publishing Materials on Zenodo

Overview I registered materials on Zenodo as part of learning how to use it, so here are my notes. The DOI assigned to the registered material is: https://zenodo.org/doi/10.5281/zenodo.12508032 DOI Regarding DOIs, there is one that accesses the latest version and ones assigned to each version. The DOI above is the former. Version 1 is: https://zenodo.org/doi/10.5281/zenodo.12508033 For more information about versioning, please also refer to the following article: Versioning It seems unnecessary to change the version unless you add or update files. When I uploaded a PDF, a DOI was assigned, and even after subsequently editing the metadata, the version did not change. ...

June 25, 2024 · Updated: June 25, 2024 · 5 min · Nakamura

Verifying the Behavior of Mirador 2 Plugins

Overview I created a repository for verifying the behavior of Mirador 2 plugins. https://github.com/nakamura196/mirador2-plugins-demo You can try it from the following URL. https://nakamura196.github.io/mirador2-plugins-demo/ A working example with sample data is as follows. https://nakamura196.github.io/mirador2-plugins-demo/?manifest=https://nakamura196.github.io/mirador2-sync-windows/data/examples/org.json;https://nakamura196.github.io/mirador2-sync-windows/data/examples/inf.json The purpose of creating this repository was to verify the behavior of plugins developed for Mirador 2 in order to port them to Mirador 3. Plugins mirador-sync-windows The mirador-sync-windows plugin introduced in the following article is enabled. ...

June 25, 2024 · Updated: June 25, 2024 · 1 min · Nakamura

Handling nbdev Errors on macOS

Overview When using nbdev on macOS, the following error occurred. nbdev_prepare objc[48348]: +[__NSCFConstantString initialize] may have been in progress in another thread when fork() was called. objc[48348]: +[__NSCFConstantString initialize] may have been in progress in another thread when fork() was called. We cannot safely call it or ignore it in the fork() child process. Crashing instead. Set a breakpoint on objc_initializeAfterForkError to debug. Traceback (most recent call last): ... concurrent.futures.process.BrokenProcessPool: A process in the process pool was terminated abruptly while the future was running or pending. This is a personal note on addressing this error. ...

June 24, 2024 · Updated: June 24, 2024 · 2 min · Nakamura

Applied Examples of Data Description Using Linked Data

Overview I have written the following articles related to RDF. I tried visualizing these together, so here are my notes. Data The following data was used this time. I described information such as: a person named “Satoru Nakamura (0000-0001-8245-7925)” is interested in “Thirty-Six Views of Mount Fuji: Fine Wind, Clear Morning (cobas-166407)” held by the Tokyo National Museum, and its creator is “Katsushika Hokusai.” The TTL description is as follows. ...

June 23, 2024 · Updated: June 23, 2024 · 3 min · Nakamura

Developing a Zoom Disable Plugin for Mirador 3 (4)

Overview I created a plugin for Mirador 3 (actually Mirador 4) that disables zoom operations. https://github.com/nakamura196/mirador-disable-zoom/ Here is a demo video. https://youtu.be/RN2V4b7IYoI You can try it at the following URL. https://nakamura196.github.io/mirador-disable-zoom/ This plugin is based on the following plugin created by UCLA Library for Mirador 2. https://github.com/UCLALibrary/mirador-disable-zoom This time, I will note some findings from developing this plugin. Specifying the Target The target property allows you to specify where to place the plugin button. In this case, by specifying WindowTopBarPluginArea, I was able to display the icon directly on the per-window bar. ...

June 23, 2024 · Updated: June 23, 2024 · 2 min · Nakamura

Using prefix.cc

Overview This is a memo about trying prefix.cc for resolving prefixes in RDF data. https://prefix.cc/ Namespace Lookup API This is a service that allows you to retrieve URIs by providing a prefix. https://prefix.cc/about/api For example, providing the following: https://prefix.cc/foaf.file.json Returns the following result. { "foaf": "http://xmlns.com/foaf/0.1/" } Reverse Lookup API For example, providing the following: https://prefix.cc/reverse?uri=http://xmlns.com/foaf/0.1/&format=json Returns the same JSON result as above. Adding New Entries The following jps prefix used by Japan Search was not available. ...

June 23, 2024 · Updated: June 23, 2024 · 1 min · Nakamura

Notes on Adding and Visualizing RDF Data

Overview This article explains the process of converting data created with Microsoft Visio to RDF format, and the method for adding RDF data when a specific URI (in this case, a Japan Search URI containing information about Katsushika Hokusai) is specified. We introduce techniques for handling Visio data in RDF format through the conversion process, and present the results of incorporating information about Katsushika Hokusai as a concrete example. Background In the following article, I introduced an example of converting data created with Microsoft Visio to RDF: ...

June 23, 2024 · Updated: June 23, 2024 · 2 min · Nakamura

Retrieving RDF from URIs Using Content Negotiation in Python

Overview I had an opportunity to retrieve RDF data from Wikidata entity URIs, so here are my notes. Without Content Negotiation First, make a request with empty headers as follows. import requests # URL for the Wikidata entity in RDF format url = "http://www.wikidata.org/entity/Q12418" headers = { } # Sending a GET request to the URL response = requests.get(url, headers=headers) # Checking if the request was successful if response.status_code == 200: text = response.text print(text[:5000]) else: print("Failed to retrieve RDF data. Status code:", response.status_code) In this case, you can retrieve text data in JSON format as follows. ...

June 23, 2024 · Updated: June 23, 2024 · 2 min · Nakamura

Created an M3 Version of mirador-sync-windows

Overview In the following article, I introduced mirador-sync-windows, a plugin for Mirador 2. This time, I updated the above functionality for Mirador 3 (actually Mirador 4). The behavior is still somewhat unstable, but you can try it at the following link. https://mirador-sync-windows.vercel.app/ Deploying to Vercel Development was based on the Mirador 4-compatible branch of the mirador-image-tools plugin. https://github.com/ProjectMirador/mirador-image-tools/tree/mirador4-compat-clean The above project provides the following commands: { ... "scripts": { "build": "npm run build:umd", "build:demo": "NODE_ENV=development webpack --mode=development", "build:umd": "NODE_ENV=production webpack --mode=production", "build:es": "mkdir -p es && cp -r src/* es && NODE_ENV=production MODULE_FORMAT=es npx babel es -d es", "build:cjs": "mkdir -p lib && cp -r src/* lib && NODE_ENV=production MODULE_FORMAT=cjs npx babel lib -d lib", "clean": "rm -rf ./umd && rm -rf ./es && rm -rf ./lib && rm -rf ./demo/dist", "lint": "eslint ./src ./__tests__", "prepublishOnly": "npm run clean && npm run build:es && npm run build:cjs && npm run build", "start": "NODE_ENV=development webpack serve --open", "test": "npm run lint && jest", "test:coverage": "jest --coverage", "test:watch": "jest --watch" }, ... } Based on the above commands, I modified the Vercel deployment settings as follows: ...

June 21, 2024 · Updated: June 21, 2024 · 2 min · Nakamura