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Legolizer: A Real-Time System for Modeling and Rendering LEGO Representations of Boundary Models

Luis F.M.S. Silva, Vitor F. Pamplona, Joao L.D. Comba
Inst. de Inf., UFRGS, Porto Alegre, Brazil
XXII Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI), 2009

@inproceedings{silva2009legolizer,

   title={Legolizer: A Real-Time System for Modeling and Rendering LEGO Representations of Boundary Models},

   author={Silva, L.F.M.S. and Pamplona, V.F. and Comba, J.L.D.},

   booktitle={Computer Graphics and Image Processing (SIBGRAPI), 2009 XXII Brazilian Symposium on},

   pages={17–23},

   year={2009},

   organization={IEEE}

}

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In this work we propose a method for converting triangular meshes into LEGO bricks through a voxel representation of boundary meshes. We present a novel voxelization approach that uses points sampled from a surface model to define which cubes (voxels) and their associated colors will compose the model. All steps of the algorithm were implemented on the GPU and real-time performance was achieved with satisfactory volumetric resolutions. Rendering results are illustrated using realistic graphics techniques such as screen space ambient occlusion and irradiance maps.
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