Fast Cube Cutting for Interactive Volume Visualization

Autor:	Joe Warren, Powei Feng, Travis McPhail
Rok vydání:	2009
Předmět:	Data cube Vector addition Computer Science::Graphics Computer science Volume visualization Computer graphics (images) Medical imaging Volume rendering Cube Graphics Rendering (computer graphics)
Zdroj:	Advances in Visual Computing ISBN: 9783642103308 ISVC (1)
DOI:	10.1007/978-3-642-10331-5_58
Popis:	Visualizing 3D volume datasets has received a great deal of attention in many areas: medical imaging, geoscience, and astrophysics are a few such areas. With improvements of commodity graphics cards, texture-based visualization methods have become popular. Within these methods, intersecting a series of planes with a cube is a common problem. While there are standard methods for approaching this problem, visualizing large data sets in real-time require faster approaches. We present a sweeping algorithm that determines the sequence of topology changes (STC) of the intersection of a cube with a plane as it moves through the cube. We use this algorithm to construct a table of these topological changes that maps view vectors to an STC. With this sequence of topology changes, we generate the polygonal intersections via vector addition. Finally, we use our approach in an octree-based, empty-space culling framework to further reduce the rendering time for large volumes.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::bc5afe56949813eb5554a28437a5d132 https://doi.org/10.1007/978-3-642-10331-5_58 Zobrazit plný text záznamu