Visualization of Energy Flow

In this project, Nanographics collaborated with the Department of Electrical Engineering of Tsinghua University to create a visualization platform for analyzing energy flow. Analyzing energy flow involves understanding the transfer, conversion, and distribution of energy within a system or process. Visualization techniques can be highly useful in this context, as they provide a visual representation of energy pathways, magnitudes, and interactions, aiding in the analysis and comprehension of energy flow dynamics.

The platform is capable to interactively visualize the energy flow of electromagnetic fields. In general, flow visualization is used to visually represent and understand the behavior and patterns of fluid flows. It involves the use of various methods to make the otherwise invisible flow of fluids visible, allowing engineers and scientists to analyze and interpret complex flow phenomena. Flow visualization provides valuable insights into fluid dynamics and has numerous applications across various fields.

The primary objective of flow visualization is to study and comprehend the complex behavior of fluid flows. By making flow patterns visible, researchers can observe and analyze characteristics such as velocity gradients, turbulence, vortices, separation, and mixing. This visual representation aids in gaining a deeper understanding of the underlying physics and dynamics of fluid motion.


  • Support for time-series analysis workflow
  • Efficient loading and animation of time-series data with a size of several gigabytes
  • Various visual styles to indicate the energy flow direction and magnitude
  • Detailed data selection & filtering
  • Multi-modal rendering support (streamlines, meshes)
  • User event log with undo/redo functionality

During our collaboration with biologists from the SCRIPPS institute, we were fascinated by the intricate beauty of Microtubules - the scaffolding of our cells. These long, hollow tubes, found in every cell of our bodies, fulfill a variety of tasks. They act not only as a structural support, but also as highways for transporting material and signals throughout the cell. One of their fascinating features is that they constantly break down and rebuild as needed. We have produced an animation showing this phenomenon in molecular detail and in realistic speed.

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In a research project together with KAUST, Scripps Research, and TU Wien, we have created the most accurate model of a SARS-CoV-2 virion with atomic resolution. Such a model can help researchers in their effort to understand how the virus works, so that they can find ways to fight it.

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We have developed the fastest molecular renderer in the world. It is able to display billions of atoms interactively with high visual quality. We use this renderer to show how various parts of human cells work on molecular level. In one of our latest projects, the software has been deployed to a dome theatre to creative immersive environment where the audience can dive deep into a human cell and observe the complex beauty of the molecular machinery that keeps us alive.

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