Hierarchical Rendering of Trees from Precompiled Multi-Layer Z-Buffers
1996; Springer Vienna; Linguagem: Inglês
10.1007/978-3-7091-7484-5_17
ISSN0946-2767
Autores Tópico(s)Remote Sensing and LiDAR Applications
ResumoChen and Williams [2] show how precomputed z-buffer images from different fixed viewing positions can be reprojected to produce an image for a new viewpoint. Here, images are precomputed for twigs and branches at various levels in the hierarchical structure of a tree, and adaptively combined depending on the position of the new viewpoint. The precomputed images contain multiple z levels to avoid missing pixels in the reconstruction, subpixel masks for antialiasing, and colors and normals for shading after reprojection.
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