High Quality Hatching

Description:

Hatching lines are often used in line illustrations to convey tone and texture of a surface. In this paper we present methods to generate hatching lines from polygonal meshes and render them in high quality either at interactive rates for on-screen display or for reproduction in print. Our approach is based on local curvature information that is integrated to form streamlines on the surface of the mesh. We use a new algorithm that provides an even distribution of these lines. A special processing of these streamlines ensures high quality line rendering for both intended output media later on. While the streamlines are generated in a pre-processing stage, hatching lines are rendered either for vector-based printer output or on-screen display, the latter allowing for interaction in terms of changing the view parameters or manipulating the entire line shading model at run-time using a virtual machine.

.gz

Example vector graphic illustration embedded as an SVG file using only four colors and black.
The hatching creates the illusion of smooth shading.

Paper download: (4.9 MB)

Demo:

Additional material:

slides of the presentation at Eurographics 2004 (PDF, 2.5MB)

Main Reference:

Johannes Zander, Tobias Isenberg, Stefan Schlechtweg, and Thomas Strothotte (2004) High Quality Hatching. Computer Graphics Forum, 23(3):421–430, September 2004. Also see the technical report which contains additional details and examples.

BibTeX entry:



@ARTICLE{Zander:2004:HQH,
  author      = {Johannes Zander and Tobias Isenberg and Stefan Schlechtweg and Thomas Strothotte},
  title       = {High Quality Hatching},
  journal     = {Computer Graphics Forum},
  year        = {2004},
  volume      = {23},
  number      = {3},
  month       = sep,
  pages       = {421--430},
  doi         = {10.1111/j.1467-8659.2004.00773.x},
  doi_url     = {https://doi.org/10.1111/j.1467-8659.2004.00773.x},
  shortdoi    = {10/dv96gx},
  url         = {https://tobias.isenberg.cc/p/Zander2004HQH},
  pdf         = {https://tobias.isenberg.cc/personal/papers/Zander_2004_HQH.pdf},
}

Other References:

Johannes Zander, Tobias Isenberg, Stefan Schlechtweg, and Thomas Strothotte (2004) Creating High Quality Hatching Illustrations. Technical Report, FIN Preprint Series 12/2004, Department of Computer Science, Otto-von-Guericke University of Magdeburg, 2004. Also see the article in Computer Graphics Forum.

BibTeX entry:



@TECHREPORT{Zander:2004:CHQ,
  author      = {Johannes Zander and Tobias Isenberg and Stefan Schlechtweg and Thomas Strothotte},
  title       = {Creating High Quality Hatching Illustrations},
  type        = {Technical Report, FIN Preprint Series},
  year        = {2004},
  institution = {Department of Computer Science, Otto-von-Guericke University of Magdeburg},
  number      = {12/2004},
  address     = {Germany},
  url         = {https://tobias.isenberg.cc/p/Zander2004HQH},
  pdf         = {https://tobias.isenberg.cc/personal/papers/Zander_2004_CHQ.pdf},
}

Johannes Zander (2004) Erstellung qualitativ hochwertiger Illustrationen mit OpenNPAR [Generating High Quality Illustrations with OpenNPAR]. Honor’s thesis, Department of Computer Science, University of Magdeburg, Germany, 2004. In German.

BibTeX entry:



@MASTERSTHESIS{Zander:2004:EQH,
  author      = {Johannes Zander},
  title       = {{E}rstellung qualitativ hochwertiger {I}llustrationen mit {O}pen{NPAR} [{G}enerating High Quality Illustrations with {O}pen{NPAR}]},
  type        = {Honor's thesis},
  year        = {2004},
  school      = {Department of Computer Science, University of Magdeburg},
  address     = {Germany},
  url2        = {https://tobias.isenberg.cc/VideosAndDemos/Zander2004HQH},
  pdf         = {https://tobias.isenberg.cc/personal/papers_students/Zander_2004_EQH.pdf},
}

This work was done at the Department of Simulation and Graphics at the University of Magdeburg, Germany.

High Quality Hatching

Description:

Paper download: (4.9 MB)

Demo:

Additional material:

Main Reference:

Other References:

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