Visualization of large scale structure from the Sloan Digital Sky Survey

Details Visualization of large scale structure from the Sloan Digital Sky Survey Visualization of large scale structure from the Sloan Digital Sky Survey

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008njph...10l5015s&link_type=abstract

New Journal of Physics, Volume 10, Issue 12, pp. 125015 (2008).

Physics

2

Scientific paper

We will discuss the challenges of visualizing large cosmological datasets. These include observational issues such as the masks and incomplete nature of the survey volume, cosmological issues such as redshift distortions and the difficulty of visualizing datasets that span cosmological epochs, as well as the inherent visualization challenges in presenting dense three-dimensional (3D) datasets. Two case studies will be presented. The first will feature the identification of filamentary structures in the large scale distribution of galaxies. The second case study will feature visualizations of the correlations between quasar absorption line systems and luminous red galaxies. Finally, we will give an overview of our visualization work-flow which features the use of the open-source 3D modeling program Blender.

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