Stylized vector art from 3D models with region support

  • Authors:
  • Elmar Eisemann;Holger Winnemöller;John C. Hart;David Salesin

  • Affiliations:
  • Adobe Systems, Inc. and ARTIS-INRIA / Grenoble University;Adobe Systems, Inc.;Adobe Systems, Inc. and University of Illinois Urbana-Champaign;Adobe Systems, Inc. and University of Washington

  • Venue:
  • EGSR'08 Proceedings of the Nineteenth Eurographics conference on Rendering
  • Year:
  • 2008

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Abstract

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 10K-face meshes into custom clip-art in seconds.