September 2020

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September 2020
Developments and innovations to Goobi workflow in September 2020
Coming soon
Completion of the tectonics editor
Extension of the manuscript editor with provenance information
Implementation of a multi-process editor
Implementation of a tectonics editor
Data management within archives is fundamentally different from that of libraries. In particular the very hierarchical metadata acquisition is to be mentioned here, which results in the fact that hardly any metadata are available on the level of the object to be digitised. Instead, the metadata of the nodes of the so-called tectonic tree, which are arranged hierarchically above, play a decisive role here.
The circumference of a tectonic tree, with its nodes and sub-nodes, can assume enormous proportions.
We are currently implementing a tectonics editor to enable smaller archives in particular to record their tectonics directly in Goobi workflow on the basis of an open source infrastructure and at the same time record the metadata in accordance with the ISAD(G) standard.
The detection of each node follows the ISAD(G) standard.
The user interface views shown here are still mockups. The implementation is already in progress. However, it hasn't been completed in September yet, so we will continue working on it next month and will be able to show actual screenshots and the corresponding documentation.
Extension of the metadata library UGH for better support of corporations
Within the German-speaking user community, the desire was repeatedly expressed that Goobi worklow should offer better support for corporate bodies. This development has now been tackled in a collaborative manner. A large part of this work has already been carried out this month, primarily on the basis of the UGH metadata library that works in the background. A second part of the development is still pending, but will follow next month. At that time, visual changes will also be visible within the Goobi user interface, which will be based on current developments.
GoobiScripts metadataChange and metdataTypeChange renamed to metadataChangeValue and metadataChangeType
The GoobiScripts metadataChange and metdataTypeChange, which are still quite new, have been renamed once again to make them more intuitive to use. The new names for these are now as follows:
Name
Description
metadataChangeValue
This GoobiScript allows you to change values within an existing metadata (e.g. the previous value NY within the metadata place of publication is replaced by the value New York).
metadataChangeType
This GoobiScript keeps the value of the metadata unchanged. However, it changes the type of metadata (e.g. main title becomes description)
We also took the opportunity to update the GoobiScript documentation within the Goobi Manual. It can be found at the following addresses:
https://docs.goobi.io/goobi-workflow-en/manager/7/7.4#goobiscript-metadatachangevalue
https://docs.goobi.io/goobi-workflow-en/manager/7/7.4#goobiscript-metadatachangetype
GoobiScripts have been renamed to make them easier to use.
​https://github.com/intranda/goobi-workflow/commit/0b0fb555cf35d95ea80f8020dc9c30e22b72f69a​
Step plugin for generic export and XSLT processing
In most cases, Goobi workflow is used at the end of the workflow to export the processes in the form of a METS file together with the digitised material as a derivative and display it online. The export of full-text results is often included in this process. If, on the other hand, master images, the internal metadata file or other data are to be exported in addition to the derivatives, Goobi workflow's standard export function reaches its limits. We have therefore developed a new generic export plugin that can be used repeatedly, even within a workflow, but which can also behave differently.
The generic export plugin can be used repeatedly in several steps of the workflow
For each step within the workflow that wants to use this plugin, it can be individually defined how the export should be done. It can be controlled which image folders are to be exported, whether full texts are to be exported, whether selected other folders are to be considered for the export and where the whole thing is to be written to. Furthermore, the plugin also exports the internal METS file and the standard export METS file. For both METS files it can be defined whether they should be processed further by an XSLT transformation, for example to create another data format from them.
Such a configuration looks like the following example:
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<config_plugin>
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    <config>
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        <!-- which projects to use for (can be more then one, otherwise use *) -->
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        <project>*</project>
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        <step>*</step>
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​
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        <!-- export path -->
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        <target>/opt/digiverso/export/</target>
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​
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        <!-- which image folders to use (master|media|jpeg|source|...) -->
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        <imagefolder>master</imagefolder>
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        <imagefolder>media</imagefolder>
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​
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        <!-- which additional folders to use -->
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        <ocr>false</ocr>
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        <source>false</source>
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        <import>false</import>
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        <export>false</export>
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        <itm>false</itm>
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        <validation>false</validation>
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​
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        <!-- if the internal METS file shall get transformed into another file define the path of the xsl file here -->
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        <transformMetaFile>true</transformMetaFile>
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        <transformMetaFileXsl>/opt/digiverso/goobi/xslt/export_meta.xsl</transformMetaFileXsl>
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        <transformMetaFileResultFileName>xslt_result_meta.xml</transformMetaFileResultFileName>
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​
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        <!-- if the METS file shall get transformed into another file define the path of the xsl file here -->
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        <transformMetsFile>true</transformMetsFile>
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        <transformMetsFileXsl>/opt/digiverso/goobi/xslt/export_mets.xsl</transformMetsFileXsl>
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        <transformMetsFileResultFileName>xslt_result_mets.xml</transformMetsFileResultFileName>
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    </config>
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</config_plugin>
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With this generic plugin almost any export can be implemented. If the standard METS export is not sufficient, this plugin can be used to quickly create an individual solution.
The detailed documentation of the plugin can be found at the following URL:
https://docs.goobi.io/goobi-workflow-plugins-en/step/intranda_step_exportPackage
The source code of the plugin itself is available at the following URL
GitHub - intranda/goobi-plugin-step-exportPackage: This step plugin for Goobi workflow allows you to export the metadata and content of a Goobi process to a configurable path
GitHub
https://github.com/intranda/goobi-plugin-step-exportPackage
Step plugin for selective content deletion
In order to be able to automatically delete certain contents of a process during the workflow, no plugin existed until now. Instead, we had helped ourselves in the past by implementing bash scripts. The new Delete Content plugin takes over this work from now on.
Like almost all step plugins, this one can be used repeatedly within a workflow and take over different tasks. Exactly which content is to be deleted in each case is controlled via a central configuration file. In this file it can be defined, for example, that the master images should be kept, but the derivatives and METS files should be deleted. This also controls whether the entire processes should be deactivated after deletion.
More details about the possibilities and configuration of the Delete Content plugin can be found in the documentation here:
https://docs.goobi.io/goobi-workflow-plugins-en/step/intranda_step_deletecontent
Der Quellcode des Plugins ist unter folgender URL verfügbar:
GitHub - intranda/goobi-plugin-step-deleteContent: This step plugin for Goobi workflow allows an automatic selective deletion of content from a process.
GitHub
https://github.com/intranda/goobi-plugin-step-deleteContent
Step plugin for identifier generation
From time to time there is a need to generate identifiers that are not yet available and that should be stored within the METS file. With the Generate Identifier plugin, such identifiers can be easily generated in the workflow and saved in a desired metadata field of the METS file. Here it can be defined whether a possibly already existing identifier should be overwritten or only generated in case of a missing metadata. It can also be determined how the identifier should be designed. At present, UUIDs, timestamps and random numbers with configurable length are available.
The plugin for generating identifiers can be used at any point in the workflow
As usual, more information about the plugin can be found in the online documentation:
https://docs.goobi.io/goobi-workflow-plugins-en/step/intranda_step_generateidentifier
The source code of the plugin is available at the following URL:
GitHub - intranda/goobi-plugin-step-generateIdentifier: This step plugin allows you to generate configurable identifiers and save them within a metadata in the METS file.
GitHub
https://github.com/intranda/goobi-plugin-step-generateIdentifier
Reorder Step plugin extended
In many cultural institutions, book objects are not digitised in their completely opened state, so that often the left and right pages of a book do not follow each other alternately. Instead, such books are sometimes digitised in such a way that a book is turned over from the front and only the right pages are included. This is followed by a second pass, in which the book is flipped through from the back and only the left pages are recorded. With the Reorder-Images plugin, such pages can be automatically put in the correct order. A configuration can be used to control how the sorting is to proceed and whether the images are to be renamed within the same directory or copied to another directory. With the latest developments it is possible to specify specific parts of file names which should not be affected by the sorting process and which should be inserted in a fixed order after the sorted files.
Sorting of left and right pages of a book using a plugin
As usual, more information about the plugin can be found in the online documentation:
https://docs.goobi.io/goobi-workflow-plugins-en/step/intranda_step_reorder_images
The source code of the plugin is available at the following URL:
GitHub - intranda/goobi-plugin-step-reorder-images: This step plugin enables an automatic correction of the sorting of digitised material that was created separately for right and left book pages.
GitHub
https://github.com/intranda/goobi-plugin-step-reorder-images
Accessibility for the METS-Editor and first plugins
Work on the METS Editor has progressed diligently in order to comply with WCAG 2.1 accessibility requirements. With the help of two automated validations, we were able to eliminate the individual complaints step by step in order to comply with WCAG at level AA. With the help of a university library, we were also able to carry out tests with a screen reader. In addition to the METS editor, we have now also revised the first plugins for Goobi workflow to improve accessibility. This includes the following plugins:
Plugin
Explanation
FileUpload
Plugin for the upload of master images, digital copies or other files within a task
ImageQA
Plugin for performing quality control of digitised material directly in the browser interface
Dashboard
Plugin to generate content for the dashboard that most Goobi installations use for your users
JSON-Opac
Opac plugin for retrieving data using the JSON format
Statistics
Standard statistics plugin that has been put into operation in most Goobi installations
Replace images
Plugin to replace previously generated placeholder images
The specifications on how web applications also have to guarantee accessibility can be found at the following URL:
Web Content Accessibility Guidelines (WCAG) 2.1
https://www.w3.org/TR/WCAG21/
WCAG Accessibility Guidelines
Please note that these specifications may also be binding for your Goobi installation. You can find out more at these addresses:
Web Content Accessibility Guidelines
Wikipedia
https://de.wikipedia.org/wiki/Web_Content_Accessibility_Guidelines
Web Content Accessibility Guidelines
Wikipedia
https://en.wikipedia.org/wiki/Web_Content_Accessibility_Guidelines
01. Accessibility overview - WEBGUIDE - EC Public Wiki
https://wikis.ec.europa.eu/display/WEBGUIDE/01.+Accessibility+overview
​https://github.com/intranda/goobi-plugin-step-fileupload/commit/397702fef2225c46bc01a4ab4ec953f8542d7967​
Automatically compiled releases on GitHub
For many months now, we have been releasing at least one stable version of Goobi workflow every month as a new release and combine this with the monthly digest. Following a major change to the infrastructure for compiling the application and the plugin, the automatic deployment of the compiled application no longer worked properly. This is now corrected. Under the following URL you can view and track the published releases of each month:
https://github.com/intranda/goobi-workflow/releases
Possibility to download a release for each monthly published version
And the latest stable version of Goobi workflow can always be downloaded from this URL:
Release Release v21.09 · intranda/goobi-workflow
GitHub
https://github.com/intranda/goobi-workflow/releases/latest
Preparations for the Goobi User Meeting 2020
As in previous years, a large German-speaking user meeting of Goobi users and developers was held. Although this year's event was held in purely digital form, a similar amount of work was required to prepare presentations in the run-up to the event. Among other things, small visual refinements were again corrected in numerous places, layouts and translations were adapted, documentation was added or completely rewritten and published, and additional plugins were released on GitHub. All these numerous minor changes are also reflected within the application and its daily use.
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Contents
Coming soon
Implementation of a tectonics editor
Extension of the metadata library UGH for better support of corporations
GoobiScripts metadataChange and metdataTypeChange renamed to metadataChangeValue and metadataChangeType
Step plugin for generic export and XSLT processing
Step plugin for selective content deletion
Step plugin for identifier generation
Reorder Step plugin extended
Accessibility for the METS-Editor and first plugins
Automatically compiled releases on GitHub
Preparations for the Goobi User Meeting 2020