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Fine Tone Control in Hardware Hatching

NPAR 2002: Second International Symposium on Non Photorealistic Rendering, June 2002

Matthew Webb, Emil Praun,
Adam Finkelstein, Hugues Hoppe
Abstract

Recent advances in NPR have enabled real-time rendering of 3D models shaded with hatching strokes for use in interactive applications. The key challenges in real-time hatching are to convey tone by dynamically adjusting stroke density, while controlling stroke size and maintaining frame-to-frame coherence. In this paper, we introduce two new real-time hatching schemes that leverage recent advances in texture mapping hardware. Both schemes provide enhanced control of tone, thereby avoiding blending or aliasing artifacts present in previous systems. The first scheme, which relies on volume rendering hardware, admits the use of color. The second scheme, which uses pixel shaders, allows per-pixel lighting operations such as texture modulation. Both schemes run at interactive rates on inexpensive PC graphics cards.
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Citation

Matthew Webb, Emil Praun, Adam Finkelstein, and Hugues Hoppe.
"Fine Tone Control in Hardware Hatching."
NPAR 2002: Second International Symposium on Non Photorealistic Rendering, pp. 53-58, June 2002.

BibTeX

@inproceedings{Webb:2002:FTC,
   author = "Matthew Webb and Emil Praun and Adam Finkelstein and Hugues Hoppe",
   title = "Fine Tone Control in Hardware Hatching",
   booktitle = "NPAR 2002: Second International Symposium on Non Photorealistic
      Rendering",
   year = "2002",
   month = jun,
   pages = "53--58"
}