Interactive Black-Hole Visualization

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Abstract

We present an efficient algorithm for visualizing the effect of black holes on its distant surroundings as seen from an observer nearby in orbit. Our solution is GPU-based and builds upon a two-step approach, where we first derive an adaptive grid to map the 360-view around the observer to the distorted celestial sky, which can be directly reused for different camera orientations. Using a grid, we can rapidly trace rays back to the observer through the distorted spacetime, avoiding the heavy workload of standard tracing solutions at real-time rates. By using a novel interpolation technique we can also simulate an observer path by smoothly transitioning between multiple grids. Our approach accepts real star catalogues and environment maps of the celestial sky and generates the resulting black-hole deformations in real time.
Original languageEnglish
Article number9226126
Pages (from-to)796 - 805
Number of pages10
JournalIEEE Transactions on Visualization and Computer Graphics
Volume27
Issue number2
DOIs
Publication statusPublished - 2021

Keywords

  • Physical & Environmental Sciences
  • Engineering
  • Mathematics
  • Computer Graphics Techniques
  • Algorithms

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