Generalized Haptic Relief Atlas for Rendering Surface Detail

Victor Theoktisto, Marta Fairen, Isabel Navazo

2013

Abstract

A fast global approach that encodes haptic surface relief detail using an image-based Hybrid Rugosity Mesostructure Atlas (HyRMA) shell is presented. It is based on a depth/normal texture computed from surface differences of the same mesh object at different resolutions (a dense one with thousands/millions of triangles, and a highly decimated version). Per-face local depth differences are \emph{warped} from volume space into tangent space, and stored in a sorted relief atlas. Next, the atlas is sampled by a vertex/fragment shader pair, \emph{unwarped}, displacing the pixels at each face of the decimated mesh to render the original mesh detail with quite fewer triangles. We achieve accurate correspondence between visualization of surface detail and perception of its fine features without compromising rendering framerates, with some loss of detail at mesostructure ``holes''.

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Paper Citation


in Harvard Style

Theoktisto V., Fairen M. and Navazo I. (2013). Generalized Haptic Relief Atlas for Rendering Surface Detail . In Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2013) ISBN 978-989-8565-46-4, pages 191-196. DOI: 10.5220/0004299301910196

in Bibtex Style

@conference{grapp13,
author={Victor Theoktisto and Marta Fairen and Isabel Navazo},
title={Generalized Haptic Relief Atlas for Rendering Surface Detail},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2013)},
year={2013},
pages={191-196},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004299301910196},
isbn={978-989-8565-46-4},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2013)
TI - Generalized Haptic Relief Atlas for Rendering Surface Detail
SN - 978-989-8565-46-4
AU - Theoktisto V.
AU - Fairen M.
AU - Navazo I.
PY - 2013
SP - 191
EP - 196
DO - 10.5220/0004299301910196