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Paper: Accelerated Distributed Visualisation in The Theoretical Astrophysical Observatory (TAO)
Volume: 521, Astronomical Data Analysis Software and Systems XXVI
Page: 600
Authors: Ayling, E.; Hassan, A.; Dykes, T.; Fluke, C.; Gheller, C.; Krokos, M.
Abstract: The Theoretical Astrophysical Observatory (TAO) is a virtual laboratory that provides pipelines to build mock observations of galaxy survey data and other derived data products based on different cosmological dark matter simulations and semi-analytic galaxy formation models. We present recent work towards web-based interactive visual exploration of large datasets in TAO, using the high performance volume rendering technique Splotch - a ray-casting approach for visualising complex and multivariate large-scale point clouds. We outline how Splotch was adapted to accommodate specific TAO requirements and discuss work to expose functionalities through a web interface giving non technical TAO users the possibility to deploy Splotch in an HPC environment for easy access to state-of-the-art simulated data for a wide user base of astronomers.
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