出版社：The Institute of Image Information and Television Engineers
摘要：In hand-drawn illustrations, we often draw pictures that contain lines of varied thickness. In some animations, the thickness of each line which makes up an image changes according to the direction of the view. However, traditional methods of rendering do not capture this effect. We thus propose a view-dependent method of line rendering. That is, after creating the 3D data for an object, a user sets, for each line, thickness information that has a dependence on the view direction. This information is stored in a user-defined reference table that is called the line-rendering information table. A user is thus able to freely set line-rendering thicknesses for the individual objects such that the thickness of each line is controlled according to the direction from which it is viewed.
