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Integrating Server-based Simulations into Web-based Geo-applications

: Bormann, Pascal; Gutbell, Ralf; Mueller-Roemer, Johannes


Cignoni, Paolo (Ed.) ; European Association for Computer Graphics -EUROGRAPHICS-:
Eurographics 2019. Short Papers : 40th Annual Conference of the European Association for Computer Graphics, May 6-10, 2019, Genova, Italy
Aire-la-Ville: Eurographics Association, 2019
European Association for Computer Graphics (Eurographics Annual Conference) <40, 2019, Genova>
Conference Paper
Fraunhofer IGD ()
Lead Topic: Visual Computing as a Service; Research Line: Computer graphics (CG); Research Line: (Interactive) simulation (SIM); 3D graphics system; fluid simulation; interactive web application; interactive simulation

In this work, we present a novel approach for combining fluid simulations running on a GPU server with terrain rendered by a web-based 3D GIS system. We introduce a hybrid rendering approach, combining server-side and client-side rendering, to interactively display the results of a shallow water simulation on client devices using web technology. To display water and terrain in unison, we utilize image merging based on depth values. We extend it to deal with numerical and compression artifacts as well as Level-of-detail rendering and use Depth Image Based Rendering to counteract network latency.