Links and Tools

Links

• NPAR: the annual conference on the topic (now part of Expressive)
• how a traditional stippling image is created (video)

NPR Programs and Tools to try

• OpenNPAR (Silhouettes and simple stroke stylization, sub-polygon silhouettes)
• RTSC (Suggestive contours, apparent ridges, suggestive highlights, principal highlights, and other feature lines)
• Silhouettes from implicits
• Weighted Voronoi Stipping
• alternative implementation of the Weighted Voronoi Stipping and its GitHub page
• yet another stippling implementation
• jot (WYSIWYG-NPR)
• NPRQuake
• Object-Based Hatching
• Haeberli's Stroke-based Rendering
• Praun et al.'s cross hatching with a GLSL shader