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NSF selects 7 winners from its first-ever NSF 2026 Idea Machine prize competition（图）
NSF selects 7 winners from its first-ever NSF 2026 Idea Machine prize competition
2020/2/20
The National Science Foundation (NSF) announced today the selection of four grand prize and three meritorious prize winners for its first-ever NSF 2026 Idea Machine prize competition. The awardees are...
A Sweep-Line Algorithm and Its Application to Spiral Pocketing
Monotone chain sweep-line self-intersection spiral pocketing line-offset
2009/8/19
This paper presents an efficient line-offset algorithm for general polygonal shapes with islands. A developed sweeplinealgorithm (SL) is introduced to find all self-intersection points accurately and ...
An Algorithm for Splitting a Box by a Loop and Its Applications in Manufacturing
Tool design Rapid Prototyping (RP) Parting surface Parting line Parting direction
2009/8/19
During the design of dies and molds, the cavity of the object is obtained by subtracting it from a surrounding rectangular block. This box is subsequently split into two halves by the parting surface....