An Efficient Trim Structure for Rendering Large B-Rep Models

Abstract
We present a multiresolution trim structure for fast and accurate B-Rep model visualization. To get a good tradeoff between performance and visual accuracy, we propose to use a vectorial but approximated representation of the model that allows efficient, real-time GPU exploitation. Our structure, based on a quadtree, enables us to do shallow lookups for distant fragments. For closeups, we leverage hardware tessellation. We get interactive frame rates for models that consists of hundreds of thousands of B-Rep faces, regardless of the zoom level.
Description

        
@inproceedings{
:10.2312/PE/VMV/VMV12/031-038
, booktitle = {
Vision, Modeling and Visualization
}, editor = {
Michael Goesele and Thorsten Grosch and Holger Theisel and Klaus Toennies and Bernhard Preim
}, title = {{
An Efficient Trim Structure for Rendering Large B-Rep Models
}}, author = {
Claux, Frédéric
and
Vanderhaeghe, David
and
Barthe, Loïc
and
Paulin, Mathias
and
Jessel, Jean-Pierre
and
Croenne, David
}, year = {
2012
}, publisher = {
The Eurographics Association
}, ISBN = {
978-3-905673-95-1
}, DOI = {
/10.2312/PE/VMV/VMV12/031-038
} }
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