Computer Graphics Forum
Stylized Vector Art from 3D Models with Region Support
We describe a rendering system that converts a 3D meshed model into the stylized 2D filled-region vector-art commonly found in clip-art libraries. To properly define filled regions, we analyze and combine accurate but jagged face-normal contours with smooth but inaccurate interpolated vertex normal contours, and construct a new smooth shadow contour that properly surrounds the actual jagged shadow contour. We decompose region definition into geometric and topological components, using machine precision for geometry processing and raster-precision to accelerate topological queries. We extend programmable stylization to simplify, smooth and stylize filled regions. The result renders 10 K-face meshes into custom clip-art in seconds.
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@article{bib:eisemann:2008, author = { Eisemann, Elmar and Winnemoeller, Holger and Hart, John C. and Salesin, David }, title = { Stylized Vector Art from 3D Models with Region Support }, journal = { Computer Graphics Forum }, volume = { 27 }, year = { 2008 }, pages = { 1199--1207 }, doi = { 10.1111/j.1467-8659.2008.01258.x }, dblp = { journals/cgf/EisemannWHS08 }, url = { https://publications.graphics.tudelft.nl/papers/618 }, }