Guided exploration of physically valid shapes for furniture design
Guided exploration of physically valid shapes for furniture design
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DOI：
10.1145/2185520.2185582
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发表时间：
2012-07
期刊：
影响因子：
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通讯作者：
Nobuyuki Umetani;T. Igarashi;N. Mitra
中科院分区：
文献类型：
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作者：
Nobuyuki Umetani;T. Igarashi;N. Mitra
传统上，几何建模和形状的物理有效性是独立考虑的。这使得创建美观但物理上有效的模型具有挑战性。我们提出了一个交互式的设计框架，有效和直观的几何和物理有效的形状探索。在任何几何编辑操作期间，所提出的系统连续地可视化正在编辑的参数的有效范围。当在操作之后违反一个或多个约束时，系统生成涉及离散和连续更改的多个建议以恢复有效性。每个建议还带有一个编辑模式，以协调的方式同时调整多个参数，以保持有效性。因此，当用户关注设计的美学方面时，我们的计算设计框架通过向用户提供主动指导来帮助实现物理可实现性。我们展示了我们的框架，基于家具设计与钉关节和摩擦约束。我们使用我们的系统来设计一系列的例子，进行用户研究，并制作了一个物理原型来测试系统的有效性和实用性。
Geometric modeling and the physical validity of shapes are traditionally considered independently. This makes creating aesthetically pleasing yet physically valid models challenging. We propose an interactive design framework for efficient and intuitive exploration of geometrically and physically valid shapes. During any geometric editing operation, the proposed system continuously visualizes the valid range of the parameter being edited. When one or more constraints are violated after an operation, the system generates multiple suggestions involving both discrete and continuous changes to restore validity. Each suggestion also comes with an editing mode that simultaneously adjusts multiple parameters in a coordinated way to maintain validity. Thus, while the user focuses on the aesthetic aspects of the design, our computational design framework helps to achieve physical realizability by providing active guidance to the user. We demonstrate our framework on plank-based furniture design with nail-joint and frictional constraints. We use our system to design a range of examples, conduct a user study, and also fabricate a physical prototype to test the validity and usefulness of the system.