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SeaCONEX: Simultaneously Visualizing Ocean Carrier Supply Chain Service Networks and Continuous Vessel Movement Data

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SeaCONEX

Link to your GitHub pages website: https://github.com/VisDunneRight/SeaCONEX

Setup

Under no circumstances should you be editing files via the GitHub website user interface. Do all your edits locally after cloning the repository. Commit major versions to your git repository.

  1. Clone this repository to your local machine. E.g., in your terminal / command prompt CD to where you want this the folder for this activity to be. Then run git clone <YOUR_REPO_URL>

  2. CD or open a terminal / command prompt window into the cloned folder.

  3. Start a simple python webserver. E.g., python -m http.server, python3 -m http.server, or py -m http.server. If you are using python 2 you will need to use python -m SimpleHTTPServer instead, but please switch to python 3 as Python 2 was sunset on 2020-01-01.

  4. Wait for the output: Serving HTTP on 0.0.0.0 port 8000 (http://0.0.0.0:8000/).

  5. Now open your web browser (Firefox or Chrome) and navigate to the URL: http://localhost:8000

Update hyperlinks

  1. Edit near the top of this README.md file to include a clickable hyperlink to the GitHub pages website for your repo., replacing the `[insert your *clickable* hyperlink here]` code with your markdown. (Detailed instructions for GitHub pages here.)

  2. In index.html update the GitHub repo URL with the URL of your repository. It is in the span with id='forkongithub'.

Add hyperlink to your paper draft

  1. Add a clickable hyperlink to your GitHub Classroom-generated repository at the end of the Abstract in your paper draft.

Organization

Here is an overview of the files and folders we provide for you in your repo.

Root Files

  • README.md is this explanatory file for the repo.

  • index.html contains the main website content. It includes comments surrounded by <!-- and --> to help guide you through making your edits.

  • style.css contains the CSS.

  • LICENCE is the source code license for the template. You can add your name or leave it as is.

Folders

Each folder has an explanatory README.md file.

  • data is where you will put your data files.

  • favicons contains the favicons for the web page. You shouldn't change anything here.

  • .github contains GitHub Actions (docs) which will automatically validate your HTML, CSS, and hyperlinks when you push (see the validation last step below). Do not edit files here except to create new .yml files for any additional actions you choose to add (you are not required to make any).

  • files will contain your slides (PDF) and video (MP4).

  • img will contain your screenshots, diagrams, and photos.

  • js will contain all JavaScript files you write.

    • visualization.js is the main code that builds all your visualizations. Each visualization should be built following the Reusable Chart model, ideally with a separate .js file for each one.
  • lib will contain any JavaScript library you use. It currently includes D3. To ensure long-term survivability, use the included D3 here rather than linking to d3js.org or some other CDN. Likewise, put your other libraries here rather than loading them from elsewhere.

Software license

  1. Review the license for your project in LICENSE. The default license we include in the template LICENCE file is the open source 3-Clause BSD License. You are not required to make your project open source but it is preferred and enables easier adoption of your contributions by others.

  2. Add your names to LICENCE. If you make any changes to your license other than including your names that are not approved by the teaching staff, you will need to sign a Non-exclusive Right to Use and Modify Agreement so your project partner can actually use what you’ve made.

Implement your visualizations

The first assignment using this template — and subsequent ones — will ask you to implement your visualizations. Please refer to the assignment instructions on Canvas for more details. However, for all your development follow these guidelines:

  1. Ensure your code passes the 'Validate HTML, CSS, and Links' checks we run when you push to GitHub. I.e., you want to see a green check next to your commit () and not a red X (). You can also see the results in the Actions tab of your repo: GitHub Actions tab

  2. Note that you do not need to commit to test your code. E.g., you don’t need to deploy your GitHub page to see your changes as you make them. Instead, serve the web page out of your repo folder using your terminal and Python's http.server.

  3. Don't commit private/confidential data.

Academic integrity

You are welcome to use D3 tutorials or resources as a starting point for your code. However, you must cite and reference the resources or sample code you use and explain how you use them. This includes anything from bl.ocks.org, Observable, or Stack Overflow! Failure to properly cite and attribute code is a breach of academic honesty. Also, per our syllabus, homework is an individual assessment and should be completed by you alone. Simply copying existing examples without performing thoughtful edits is a breach of academic honesty. You are welcome to ask fellow classmates and students for help and discuss the assignment, but the submission should be your own work. See the syllabus for much more detail on our academic integrity policy and expectations.

Submission instructions

This template will be used for multiple project submissions. Follow the instructions for submitting each on Canvas. But for all of them:

  1. Ensure you added (1) the GitHub Pages URL at the top of this README.md file as a clickable hyperlink and (2) the GitHub repository URL in index.html in the span with id='forkongithub'.

  2. Commit all your local files and push them to the remote repository on GitHub which was generated by GitHub Classroom. We will grade based on what is visible on the GitHub Page.

  3. Add links to your GitHub Classroom-generated repository (not your GitHub Page) at the end of the Abstract in your paper draft.

Tips, tricks, and troubleshooting

See https://github.com/NEU-CS-7250-S21-Staff/General_Course_Information/.

Workflow

As you work with your team, you may have issues merging your changes. We recommend you pick one member of the team to be the project manager and deal with merging any pull requests.

Instead of all working directly out of the main gh-pages branch, you can try adopting a Git branching model for development. See, e.g., this article by Vincent Driessen and the included image:

Image of Git branching model by Vincent Driessen

Resources

How to send selection updated events between linked views

The d3-dispatch module d3-dispatch is made for emiting and listening for events, which we can use to coordinate selection updates between linked views.

E.g.,

let dispatcher = d3.dispatch('selectionUpdated');
dispatcher.on('selectionUpdated', callback1);

where callback1 is a callback function for when the event happens. However, to have multiple listeners for that same event you would need to have unique suffixes for the same string beginning with '.'. E.g., to have both a line chart and table listening to scatterplot updates we could have

dispatcher.on('selectionUpdated.sp-to-lc', callback1);
dispatcher.on('selectionUpdated.sp-to-tab', callback1);

where 'sp-to-lc' and 'sp-to-tab' are arbitrary but written here to be informative.

Assignment setup (for instructors only)

See https://github.com/NEU-CS-7250-S21-Staff/General_Course_Information/blob/master/assignment-setup.md

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