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Sketching contours

机译:草绘轮廓

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摘要

We introduce an over-sketching interface for feature-preserving surface mesh editing. The user sketches a stroke that is the suggested position of part of a silhouette of the displayed surface. The system then segments all image-space silhouettes of the projected surface, identifies among all silhouette segments the best matching part, derives vertices in the surface mesh corresponding to the silhouette part, selects a sub-region of the mesh to be modified, and feeds appropriately modified vertex positions together with the sub-mesh into a mesh deformation tool. The overall algorithm has been designed to enable interactive modification of the surface-yielding a surface editing system that comes close to the experience of sketching 3D models on paper.
机译:我们引入了过度绘制界面,用于保留特征曲面网格的编辑。用户绘制笔画,该笔画是所显示表面轮廓的一部分的建议位置。然后,系统对投影表面的所有图像空间轮廓进行分割,在所有轮廓线段中标识最佳匹配部分,在曲面网格中导出与轮廓部分相对应的顶点,选择要修改的网格的子区域,然后进行馈送适当修改的顶点位置连同子网格一起成为网格变形工具。总体算法的设计旨在实现交互式修改表面,从而产生与在纸上绘制3D模型草图的体验接近的表面编辑系统。

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