Interactive 3D Visualization for Theoretical Virtual Observatories
Tim Dykes, Amr Hassan, Claudio Gheller, Darren Croton, Mel Krokos

TL;DR
This paper reviews the current state of 3D visualization techniques for large theoretical astronomical datasets within virtual observatories, highlighting challenges and presenting a new lightweight visualization tool for particle data.
Contribution
It introduces a lightweight client-server visualization tool for particle datasets and discusses challenges in interactive 3D visualization for theoretical data in virtual observatories.
Findings
Current 3D visualization methods are limited for large datasets.
The proposed tool enables interactive filtering and visualization of particle data.
Two use cases demonstrate practical applications within the Theoretical Astrophysical Observatory.
Abstract
Virtual Observatories (VOs) are online hubs of scientific knowledge. They encompass a collection of platforms dedicated to the storage and dissemination of astronomical data, from simple data archives to e-research platforms offering advanced tools for data exploration and analysis. Whilst the more mature platforms within VOs primarily serve the observational community, there are also services fulfilling a similar role for theoretical data. Scientific visualization can be an effective tool for analysis and exploration of datasets made accessible through web platforms for theoretical data, which often contain spatial dimensions and properties inherently suitable for visualization via e.g. mock imaging in 2d or volume rendering in 3d. We analyze the current state of 3d visualization for big theoretical astronomical datasets through scientific web portals and virtual observatory services.…
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