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Interactive Visualization of Parameterized Atmospheres in Virtual Reality

Collienne, Peter (2013) Interactive Visualization of Parameterized Atmospheres in Virtual Reality. Bachelor's, RWTH Aachen University, Germany.

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The German Aerospace Center (DLR) developed a scientific planetary renderer to display and analyse terrain data collected from past and ongoing planetary space exploration missions in a Virtual Reality (VR) environment. While this renderer supports large datasets (> 1TB) and interactive framerates it lacks a realistic atmosphere. Especially in VR, an atmosphere helps with perceiving distance and allows for judging the relative distance to objects, also known as aerial perspective. This thesis describes the implementation of a realistic atmosphere,fittable to diferent planets using multiple parameters. Due to certain approximations to render the atmosphere in real-time, the result is not completely accurate, but yields a plausible atmosphere. It is based on work by Bruneton and while it is designed to work as an universal plugin, the implementation is based on the planetary renderer provided by the DLR. In addition to the previous work, the parameters are fit to resemble the atmosphere on Mars, as seen on photographs taken by recent Mars-missions. Also a Bloom-Filter is additionally implemented to imitate the behaviour of the human eye or a camera when looking into the sun. The HDR-implementation of Bruneton is extended with the use of another filmic tonemapping operator and further improved by rendering a realistic looking sun. The here presented implementation offers a real-time, parameterizable atmosphere renderer, which is easy to integrate in any planetary rendering engine.

Item URL in elib:https://elib.dlr.de/88970/
Document Type:Thesis (Bachelor's)
Additional Information:Betreuer: Dr. Robin Wolff (DLR, SC-SRV) Prüfer: Prof. Dr. Torsten Kuhlen (RWTH Aachen, Virtual Reality Group), Prof. Dr. Leif Kobbelt (RWTH Aachen, Computer Graphics Group)
Title:Interactive Visualization of Parameterized Atmospheres in Virtual Reality
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Collienne, PeterVirtual Reality Group, RWTH Aachen University, GermanyUNSPECIFIEDUNSPECIFIED
Date:22 April 2013
Refereed publication:Yes
Open Access:Yes
Number of Pages:51
Keywords:Real-Time Graphics, Virtual Reality, Terrain Rendering
Institution:RWTH Aachen University, Germany
Department:Virtual Reality Group
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Vorhaben SISTEC (old)
Location: Braunschweig
Institutes and Institutions:Institut of Simulation and Software Technology > Software for Space Systems and Interactive Visualisation
Deposited By: Wolff, Dr Robin
Deposited On:28 Apr 2014 12:16
Last Modified:31 Jul 2019 19:46

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