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Graph."],"published-print":{"date-parts":[[2022,2,28]]},"abstract":"<jats:p>Wrapping objects using ropes is a common practice in our daily life. However, it is difficult to design and tie ropes on a 3D object with complex topology and geometry features while ensuring wrapping security and easy operation. In this article, we propose to compute a rope net that can tightly wrap around various 3D shapes. Our computed rope net not only immobilizes the object but also maintains the load balance during lifting. Based on the key observation that if every knot of the net has four adjacent curve edges, then only a single rope is needed to construct the entire net. We reformulate the rope net computation problem into a constrained curve network optimization. We propose a discrete-continuous optimization approach, where the topological constraints are satisfied in the discrete phase and the geometrical goals are achieved in the continuous stage. We also develop a hoist planning to pick anchor points so that the rope net equally distributes the load during hoisting. Furthermore, we simulate the wrapping process and use it to guide the physical rope net construction process. We demonstrate the effectiveness of our method on 3D objects with varying geometric and topological complexity. In addition, we conduct physical experiments to demonstrate the practicability of our method.<\/jats:p>","DOI":"10.1145\/3476829","type":"journal-article","created":{"date-parts":[[2021,9,22]],"date-time":"2021-09-22T21:19:28Z","timestamp":1632345568000},"page":"1-16","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Computational Object-Wrapping Rope Nets"],"prefix":"10.1145","volume":"41","author":[{"given":"Jian","family":"Liu","sequence":"first","affiliation":[{"name":"Shandong University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shiqing","family":"Xin","sequence":"additional","affiliation":[{"name":"Shandong University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xifeng","family":"Gao","sequence":"additional","affiliation":[{"name":"Florida State University and Tencent, Tencent, America"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kaihang","family":"Gao","sequence":"additional","affiliation":[{"name":"Shandong University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kai","family":"Xu","sequence":"additional","affiliation":[{"name":"National University of Defense Technology, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Baoquan","family":"Chen","sequence":"additional","affiliation":[{"name":"Peking University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Changhe","family":"Tu","sequence":"additional","affiliation":[{"name":"Shandong University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2021,9,22]]},"reference":[{"volume-title":"Retrieved","year":"2018","key":"e_1_2_1_1_1","unstructured":"Abaqus. 2018 . 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