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  4. Efficient slicing of Catmull-Clark solids for 3D printed objects with functionally graded material
 
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2019
Journal Article
Titel

Efficient slicing of Catmull-Clark solids for 3D printed objects with functionally graded material

Abstract
In the competition for the volumetric representation most suitable for functionally graded materials in additively manufactured (AM) objects, volumetric subdivision schemes, such as Catmull-Clark (CC) solids, are widely neglected. Although they show appealing properties, efficient implementations of some fundamental algorithms are still missing. In this paper, we present a fast algorithm for direct slicing of CC-solids generating bitmaps printable by multi-material AM machines. Our method optimizes runtime by exploiting constant time limit evaluation and other structural characteristics of CC-solids. We compare our algorithm with the state of the art in trivariate trimmed spline representations and show that our algorithm has similar runtime behavior as slicing trivariate splines, fully supporting the benefits of CC-solids.
Author(s)
Luu, Thu Huong
Fraunhofer-Institut fĂ¼r Graphische Datenverarbeitung IGD
Altenhofen, Christian
Fraunhofer-Institut fĂ¼r Graphische Datenverarbeitung IGD
Ewald, Tobias
Fraunhofer-Institut fĂ¼r Graphische Datenverarbeitung IGD
Stork, André
Fraunhofer-Institut fĂ¼r Graphische Datenverarbeitung IGD
Fellner, Dieter W.
Fraunhofer-Institut fĂ¼r Graphische Datenverarbeitung IGD
Zeitschrift
Computers and Graphics
Project(s)
QU4LITY
futureAM
Funder
European Commission EC
Fraunhofer-Gesellschaft FhG
Thumbnail Image
DOI
10.1016/j.cag.2019.05.023
Language
English
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Fraunhofer-Institut fĂ¼r Graphische Datenverarbeitung IGD
Tags
  • Lead Topic: Visual Co...

  • Research Line: Modeli...

  • 3D printing

  • subdivision

  • material definitions

  • computational geometr...

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