Automatic illustration of 3D geometric models: lines
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Comprehensible rendering of 3-D shapes
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
SUSAN—A New Approach to Low Level Image Processing
International Journal of Computer Vision
Image precision silhouette edges
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
Art-based rendering of fur, grass, and trees
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Artistic silhouettes: a hybrid approach
NPAR '00 Proceedings of the 1st international symposium on Non-photorealistic animation and rendering
An improved illumination model for shaded display
Communications of the ACM
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-Photorealistic Rendering
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Suggestive contours for conveying shape
ACM SIGGRAPH 2003 Papers
Ridge-valley lines on meshes via implicit surface fitting
ACM SIGGRAPH 2004 Papers
Enhancing interactive particle visualization with advanced shading models
APGV '06 Proceedings of the 3rd symposium on Applied perception in graphics and visualization
Ray tracing animated scenes using coherent grid traversal
ACM SIGGRAPH 2006 Papers
Single-pass wireframe rendering
ACM SIGGRAPH 2006 Sketches
Ambient Occlusion and Edge Cueing for Enhancing Real Time Molecular Visualization
IEEE Transactions on Visualization and Computer Graphics
Apparent ridges for line drawing
ACM SIGGRAPH 2007 papers
Grid Creation Strategies for Efficient Ray Tracing
RT '07 Proceedings of the 2007 IEEE Symposium on Interactive Ray Tracing
A case study: visualizing material point method data
EUROVIS'06 Proceedings of the Eighth Joint Eurographics / IEEE VGTC conference on Visualization
An application of scalable massive model interaction using shared-memory systems
EG PGV'06 Proceedings of the 6th Eurographics conference on Parallel Graphics and Visualization
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We present an algorithm for rendering high-quality line primitives of controllable on-screen width within a ray tracing framework, which can render simple NPR-style feature lines, including silhouette edges, crease lines, and primitive intersection lines. The algorithm is based on a variant of cone tracing, which measures distances in screen space and is used to detect and render feature lines. This technique opens ray tracing up to previously difficult or impossible styles of rendering, such as mesh visualization, as well as a variety of NPR techniques, such as apparent ridges.