Technical Section: Pencil rendering on 3D meshes using convolution
Computers and Graphics
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This paper describes an interactive system, called "Idiot Pencil", that enables users to design pencil drawings directly from 3D polygonal models. The potential users of the system are professional designers or non-professional users. The system will automatically generates feature strokes, and provides fast and easy-to-use tools for hatching stroke design. Users only need to specify hatching carriers according to their experiences or intentions. The hatching tools can perceive hatching regions and arrange hatching strokes automatically. In this way, the system allocates most of manual, yet tedious works to the computer while retaining aesthetic control for users. Compared with the existing manual pencil drawing method, the system can speed up the user's drawing and reduce their drawing skill requirements. Several examples of drawings are given by the Idiot Pencil system. The compelling features are obtained from viewpoints of both handcrafted effect and high efficiency when using the computer-aided drawing system.