An object-oriented 3D graphics toolkit
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Creating non-photorealistic images the designer's way
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
An invitation to discuss computer depiction
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-Photorealistic Rendering
WYSIWYG NPR: drawing strokes directly on 3D models
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
A unified framework for 3D non-photorealistic rendering
ACM SIGGRAPH 2006 Research posters
NPR Lenses: Interactive Tools for Non-photorealistic Line Drawings
SG '07 Proceedings of the 8th international symposium on Smart Graphics
Programmable rendering of line drawing from 3D scenes
ACM Transactions on Graphics (TOG)
Combining silhouettes, surface, and volume rendering for surgery education and planning
EUROVIS'05 Proceedings of the Seventh Joint Eurographics / IEEE VGTC conference on Visualization
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The notable amount and variation of current techniques in non-photorealistic rendering (NPR) indicates a level of maturity whereby the categorization of algorithms has become possible. We present a conceptual model for NPR, on which we base a modular system, OPENNPAR, which integrates NPR algorithms into distinct classes. Components in OPENNPAR are modularized and consequently reintegrated for various rendering purposes, allowing many kinds of NPR algorithms to be reproduced, including the integration of 2D and 3D methods. Additionally, the system provides support for a range of users (developers, programmers, designers) according to their respective levels of abstraction, thus being available in multiple contexts. Ultimately, OPENNPAR holds great potential as a tool in the development, augmentation, and creation of NPR effects.