fast and reliable mouse picking using graphics hardware

Clicks: 141
ID: 203609
2009
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Abstract
Mouse picking is the most commonly used intuitive operation to interact with 3D scenes in a variety of 3D graphics applications. High performance for such operation is necessary in order to provide users with fast responses. This paper proposes a fast and reliable mouse picking algorithm using graphics hardware for 3D triangular scenes. Our approach uses a multi-layer rendering algorithm to perform the picking operation in linear time complexity. The objectspace based ray-triangle intersection test is implemented in a highly parallelized geometry shader. After applying the hardware-supported occlusion queries, only a small number of objects (or sub-objects) are rendered in subsequent layers, which accelerates the picking efficiency. Experimental results demonstrate the high performance of our novel approach. Due to its simplicity, our algorithm can be easily integrated into existing real-time rendering systems.
Reference Key
zhao2009internationalfast Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Hanli Zhao;Xiaogang Jin;Jianbing Shen;Shufang Lu
Journal safety and health at work
Year 2009
DOI
10.1155/2009/730894
URL
http://dx.doi.org/10.1155/2009/730894
Keywords
computer software

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