这可以让我通过适当比例的编辑将座椅的凸面形状呈现出来。
It allowed me to shape the convexity of the seat using proportional editing.
图形的交互式编辑部分主要研究了图元的拾取算法和使用变换矩阵实现对图元的旋转、比例缩放和平移等二维变换。
As for the interactive graphic editing, the article mainly focuses on graphic element collect algorithm and two-dimension transformation such as rotation, scale and translation using convert matrix.
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