Modelling of Non-Periodic Aggregates Having a Pile Structure

This paper presents a procedure for modelling aggregates such as piles that consist of arbitrary components. The method generates an aggregate of components that need to be accumulated, and an aggregate shape represents the surface of the target aggregate. The number of components and their position...

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Bibliographic Details
Published in:Computer graphics forum Vol. 33; no. 1; pp. 190 - 198
Main Authors: Sakurai, K., Miyata, K.
Format: Journal Article
Language:English
Published: Oxford Blackwell Publishing Ltd 01.02.2014
Subjects:
aggregate
Aggregates
example-based
I.3.5[Computer Graphics]: Computational Geometry and Object Modelling Geometric algorithms
languages and systems
natural appearance
pile
ISSN:0167-7055, 1467-8659
Online Access:Get full text
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Summary:This paper presents a procedure for modelling aggregates such as piles that consist of arbitrary components. The method generates an aggregate of components that need to be accumulated, and an aggregate shape represents the surface of the target aggregate. The number of components and their positions and orientations are controlled by five parameters. The components, the aggregate shape and the parameters are the inputs for the method which involves placement and refinement steps. In the placement step, the orientation and initial position of a component are determined by a non‐periodic placement such that each component overlaps its neighbours. In the refinement step, to construct a pile structure, the position of each component is adjusted by reducing the overlap. This paper presents a procedure for modelling aggregates such as piles that consist of arbitrary components. The method generates an aggregate of components that need to be accumulated, and an aggregate shape represents the surface of the target aggregate. The number of components and their positions and orientations are controlled by five parameters. The components, the aggregate shape and the parameters are the inputs for the method which involves placement and refinement steps. In the placement step, the orientation and initial position of a component are determined by a non‐periodic placement such that each component overlaps its neighbours. In the refinement step, to construct a pile structure, the position of each component is adjusted by reducing the overlap.
Bibliography:ArticleID:CGF12266
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content type line 14
ISSN:0167-7055
1467-8659
DOI:10.1111/cgf.12266