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CSG ray tracing revisited: Interactive rendering of massive models made of non-planar higher order primitives

: Mostajabodaveh, Seyedmorteza; Dietrich, Andreas; Gierlinger, Thomas; Michel, Frank; Stork, André


Cláudio, Ana Paula (Ed.) ; Institute for Systems and Technologies of Information, Control and Communication -INSTICC-, Setubal:
12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, VISIGRAPP 2017. Proceedings. Vol.1: GRAPP : February 27-1, 2017, in Porto, Portugal
SciTePress, 2017
ISBN: 978-989-758-224-0
International Joint Conference on Computer Vision and Computer Graphics Theory and Applications (VISIGRAPP) <12, 2017, Porto>
International Conference on Computer Graphics Theory and Applications (GRAPP) <12, 2017, Porto>
Fraunhofer IGD ()
Realtime Rendering; image-based rendering; ray tracing; Constructive Solid Geometry (CSG); Guiding Theme: Digitized Work; Research Area: Computer graphics (CG)

In many scientific and engineering areas, CAD models are constructed by combining simple primitives using Boolean set operations. Rendering such a dataset usually requires a preprocess, where the surface of the CAD model is approximated by an often highly complex triangle mesh. Real-time ray tracing provides an alternative to triangle rasterization as it allows for the direct visualization of (higher-order) solid and planar primitives without having to triangulate them. Additionally, Boolean compositing operations can be performed implicitly per ray, primitives have low storage requirements, and curved surfaces appear pixel-accurate. In this paper we demonstrate these properties using massive real-world CAD models.