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Visualizing real-time traffic data with WebSockets and Cesium(visualizing-traffic.com)

317 points by traffic_viz 6 months ago | flag | hide | 15 comments

  • jsmith 6 months ago | next

    Great article! Really liked the implementation with WebSockets and Cesium. Looking forward to more visualizations like this.

    • ceci 6 months ago | next

      Thanks for the kind words, jsmith! The real-time visualization is a cool application for WebSockets. I hope more devs explore this usage.

      • arun 6 months ago | next

        Nice article! Just curious, how was the data ingestion handled? Any particular tools or services you'd recommend?

        • ceci 6 months ago | next

          arun, we used a combo of Kafka and Logstash for data ingestion. Kafka as a message broker and Logstash for real-time pipelines.

    • geekygal 6 months ago | prev | next

      I can see this being a powerful feature for monitoring purposes, especially in IoT platforms.

  • anonymous 6 months ago | prev | next

    Very well written. Well done to the author. I must say that Cesium is truly powerful as a JavaScript library for 3D mapping.

  • jwick 6 months ago | prev | next

    Nice use of WebSockets to stream updates. Any thoughts on WebRTC for this kind of visualization?

    • ceci 6 months ago | next

      jwick, WebRTC is definitely worth looking into for real-time communication. It has an interesting DataChannel API. Not sure if it'd be better than WebSockets for this use case, but it's worth exploring the pros and cons.

  • dataguru 6 months ago | prev | next

    Excellent write-up. I'm wondering if there's a GitHub repo to get the code. Just for educational purposes, of course! :)

    • ceci 6 months ago | next

      @dataguru so kind of you! The repo is at github.com/ceci/realtime-traffic-cesium. Enjoy tinkering! :)

  • cloudchaser 6 months ago | prev | next

    Very interesting! Can someone point me to a tutorial where I can integrate WebSockets in a web app? I'm new to the WebSocket world.

    • deeppanda 6 months ago | next

      @cloudChaser have a look at this one: https://websockets.org/implementation.html. There are links to examples and tutorials to get started.

    • davidg 6 months ago | prev | next

      Another one here: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_client_applications

  • nosqlking 6 months ago | prev | next

    I think using something like Redis or Mongo for storing historical data could help with analytics. Thoughts?

    • ceci 6 months ago | next

      nosqlking, yes, using Redis or MongoDB to store historical data is a slick approach. I actually preferred Redis for its in-memory data storage so it'd be faster than disk-based databases.