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CesiumJS Satellite Visualizer

This project shows how supplemental scene data, such as satellite positions, can be added to the CesiumJS scene. Satellites are expressed via entity-config.json via a Two-Line Element Set and a reference to an asset defined in glb-config.json. For convenience, generate-entity-config.sh has been provided as a means of quickly generated a valid entity-config.json with up-to-date TLE information provided by CelesTrak. This script can be updated to point to any other data provider of your choosing that matches the data schema.

Setup

  1. Create a free Cesium Account

  2. Go to Cesium Ion and select Access Tokens

  3. Create or reuse an existing access token with the following access:

    • assets:read
    • geocode

  4. Copy the value under Token

  5. Create a .env file in the root directory of this repository containing the following, where <Token Value> is replaced by the token copied in the previous step:

    CESIUM_TOKEN=<Token Value>

  6. Execute generate-entity-config.sh to update entity-config.json with the most recent satellite TLE data. You should only need to do this at most once every 24 hours.

Usage

  1. Open this project in the provided devcontainer:

    F1-> DevContainers: Rebuild and Reopen in Container

  2. Launch the application via F5 or:

    Run and Debug -> Run Application

  3. Once webpack has built and deployed the application, it can be accessed at:

    http://localhost:8080

Attribution