| 摘要 |
A method, medium, and system authoring 3D (three-dimensional) graphic data. In the method, a rendering function corresponding to characteristics of an authored object is generated. It is determined whether the total number of rendering functions including the generated rendering function exceeds a predetermined number. The object is re-authored to correspond to one of the total number of rendering functions according to results of the determining. When 3D graphic data is reproduced, the number of rendering functions being used can be limited, and thus, a reduction in rendering performance during the authoring phase can be prevented.
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