Overview

The GEODESC application tool set was designed and built in 2019-2022 to support geological core description and micropaleontological data capture on the scientific drilling vessel JOIDES Resolution (JR). It replaces the DESClogik application used for more than a decade. The GEODESC applications, which are backed by an Oracle database, run on all major web browsers and are therefore independent of the computer operating system. GEODESC projects correspond to science projects and can be associated with multiple expeditions to access their samples. A GEODESC project is set up with its own instance of the database such that users on shore can prepare templates before the expedition and complete data capture after the expedition, even if the project extends over a few years, without interfering with other projects. User access to applications and project databases is managed by JRSO staff.

Core description scientists and paleontologist work with three separate applications, which can be operated simultaneously in multiple browser tabs.

• The Template Manager application allows you to copy suitable catalog templates for your observation objectives to your project and make any changes you need. Catalog templates are based on decades of shipboard experience so you don't have to start from scratch, however, you have full control to modify templates by adding or removing observables, and modify entry validations and display parameters for the Data Capture spreadsheet.
• The Data Capture application is a custom spreadsheet following a standard layout: rows represent description intervals, and the columns represent the scope of the observations and the observables. The spreadsheet incorporated numerous data entry functions and features requested by users over many years. It feels similar to Google sheets or Excel, but limits functionality to those needed for the description task. Your data entries are autosaved instantly and it is up to you to publish the data to make them available to the science party on the ship or to the world on shore (honoring the 1-year moratorium).
• The Data Access application allows anyone to download the final description files and template metadata files, on the ship and on shore (honoring the 1-year moratorium). The files are in text format and have a consistent, simple layout to ensure any third party program can use them for plotting and analysis. Furthermore, the application also provides access to the GEODESC catalogs (templates, observables, entry values, taxa, synonyms, taxa starter lists, zones, datums) used in the Template Manager application. These resources may be useful for scientists outside the GEODESC or JR ecosystem.

In addition, a forth application is in development that will only be used by subject matter experts (reviewers) among the staff maintaining GEODESC.

• The Catalog Manager is a tool to update the GEODESC catalogs used in the Template Manager application. A reviewer can select a project and compare the user-modified project template configurations with the catalog templates, and decide what changes should be added to the catalog. This process will keep the catalogs updated and relevant as more expedition data are accumulated over the years.

Figure 1. GEODESC overview diagram.

Figure 2. Template Manager dashboard for a selected template, listing all observables and their attributes. Template makers can modify any aspect of the template.

Figure 3. Data Capture dashboard where observers can create new worksets by selecting a template and a hole (and optionally, a range of cores). Observers can also open existing worksets to continue data capture. Opening one or more worksets generates the worksheets.

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Figure 4. Data Capture worksheet for a selected workset.

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Figure 5. 'Add new samples' feature. Rows are added to the worksheet by selecting a range of existing samples from the database. The list of samples is pre-filtered by sample types in the template configuration, and can be further filtered here.

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Figure 6. Data Access page for descriptive data and metadata file download. A separate page exists for accessing the GEODESC catalog.

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Data Capture application

Once your project templates are installed using the Template Manager application, you will spend most of your time with the Data Capture application. This application has three pages:

• Sign in
• Workset dashboard
• Worksheet or workbook

The sign in page:

• Go to
  • ship: http://uluru.ship.iodp.tamu.edu:8080/DataCapture/index.html
  • shore: https://iodp.tamu.edu/DataCapture/#/signin
• Enter your username and password
• Select your project and click Sign in.

The dashboard page:

• After you sign in, you land on the workset dashboard.
• If the desired workset is available in the lower panel, double-click it or select and then Open.
• If not, create one or more worksets you want to work on.
  • Select a template in the upper left table.
    • A project typically uses multiple spreadsheet templates based on the scale, type and objective of observations.
    • If the desired template is not listed, even after refreshing the page, use the Template Manager application.
  • Select Expedition, Site, Hole and optionally a range of cores in the panel on the right.
  • Click Create and the workset(s) appear in the workset list (pre-selected).
  • Click Open to create the worksheet (or workbook for multiple worksets)
• When you Open one or more worksets, nobody else can work on that set of cores and template at the same time.

Figure 2. The Data Capture dashboard

The worksheet (or workbook including multiple tabbed worksheets):

• Note that the spreadsheet functions are constrained by many special features designed to make data capture efficient and to promote data integrity. 
  • You cannot add empty rows or columns
  • Columns and their validation criteria are configured in the Template Manager application.
  • Rows are added with specific function in the row context menu to ensure each row represents a description interval including a sample ID.
• Use the Add samples button, the first button in the function ribbon at the top of the worksheet.
  • One row is added for each sample.
  • The first 18 columns represent the scope of description - you cannot edit these columns (they are greyed) except for the top and bottom offsets to define description intervals (for large samples such as section halves or cores).
• If working with large samples, change the offsets to define the description interval.
  • Use the row context menu to select among three options for adding, inserting or replicating intervals.
• Enter observations in the observable columns, using free text, numbers, or list values, depending on how the columns are configured.
  • Data entries are immediately autosaved to the database for data safety.
  • To update the description data file in the database that is available to the entire team, click the Upload button.
    • An upload initiates a sort and a validation and flags all errors that are not already flagged.
    • Tis triggers a data validation and data cannot be uploaded unless all errors are fixed.
    • The final data consist of tab-delimited text files, one data file per template and hole, and one metadata file per template.
• Use the Close button on the ribbon when done with your observation session.
  • You are given options to keep or loose data if not uploaded, and keep or delete that specific workset definition.

Figure 3. The worksheet, with the all-important row-context menu open.

The Template Manager application

At the beginning of a project, the Template Manager application is used to install project templates and enable them for use in the Data Capture application. This is the only process summarized here and includes the following pages/windows:

• Sign in
• Project templates → Copy catalog templates to project
• Edit template → Template settings

Once data capture is underway, the application is only used occasionally to make changes to the template configurations, using ~50 additional pages and modal windows (about half are only applicable to micropaleontology templates). These functions fall into three categories (see the full Template Manager user guide for details):

• Add columns from the catalog or create new ones, remove columns.
• Edit or create validation criteria for columns, including value (dropdown) lists, numeric entry, and formulas.
• Edit column display settings for default display in the Data Capture worksheets (can be further edited in Data Capture)

The sign in page:

• Go to
  • ship: http://uluru.ship.iodp.tamu.edu:8080/TemplateManager/index.html
  • shore: https://iodp.tamu.edu/TemplateManager/#/signin
• Enter your username and password
• Select your project and click Sign in.

The Project templates page:

• After you sign in, you land on the Project templates page.
• If you don't see all the templates you want to use in your project, click the Copy from catalog button.
  • Browse or filter to find what looks like a suitable template in the catalog.
  • Click the Copy selected catalog template to project button.
  • Note: If you can't find a suitable catalog template, you can create a project template from scratch, but that is a more involved process than modifying an existing one.
• Back on the Project templates page, you will see the added template.

The Edit template page (the template 'dashboard"):

• To edit a template, select it on the Project templates page and click the Edit button, or double-click the template.
  • You will land on the Edit template page, the dashboard for any template modifications.
• If you are ready to make the template available in Data Capture:
  • Click the Template settings button on the top left.
  • In the pop-up window, check the Make template available to observers check box.
  • Click the Save button on the window.
  • Click the Save template button on the Edit template page.
  • Go to the Data Capture application tab and refresh the page - voila! 

Figure 4. The Template Manager dashboard.

The Data Access application

The Data Access application is used to download all information available in, and collected with GEODESC.

• Go to
  • ship: http://uluru.ship.iodp.tamu.edu:8080/DataAccess/index.html
  • shore: https://iodp.tamu.edu/DataAccess/

• If the expedition you want to access is under moratorium:

  • Enter your username and password and click Sign in.

You can navigate between the two categories of information in the 'hamburger' (top left of page):

• Descriptive data (you must select an expedition first and you can filter in multiple ways)
  • Descriptive data files
  • Descriptive metadata files
• Catalog content
  • Template catalog
  • Observable catalog
  • Entry value catalog
  • Taxonomic catalogs
  • Zone catalog
  • Datum catalog

Figure 5. The Data Access application

The Catalog Manager application

The GEODESC catalogs offer the template makers resources that should facilitate template modifications, or even creation, while maintaining the general integrity of observable definitions. Although the catalogs are based on a careful analysis of decades of spreadsheet use on the JR, they are never perfect and we anticipate that some if not all of them will keep evolving over the years. That is why we built the Catalog Manager application, to ensure that changes to the catalog are consistent with all the GEODESC features and requirements.  

Using the Catalog Manager requires the reviewer role, which is given to a few qualified staff members. Project teams cannot change the catalog directly, but they can make any changes they need to their project templates. Reviewers take such changes into account when updating the catalogs for future expeditions.