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- W2371036756 abstract "In SAP2000 and ETABS,drawing floors is a very tedious work.How to identify polygon in plane quickly and mesh it automatically is a problem that should be solved.In this paper,the concept of minimum circle in directed planar graph is presented and the fast search algorithm to find all the minimum circles is proposed.Firstly,all edges associated with each vertex and their associated vertices are arranged into a set in counterclockwise;and then the boundary vertex sequence is searched in accordance with the principles of smallest counter-clockwise corner.Each vertex on boundary serves as the starting point to search the edge of circle under the rule of the smallest clockwise corner.When coming back to the starting point,a minimum circle is created.This paper also proposes the vector cross product method to determine concave and convex polygons and the vector dot product method to calculate the inner angles of polygon.The optimal mesh method of concave and convex polygon targeting on min{θmax-θmin} is also proposed." @default.
- W2371036756 created "2016-06-24" @default.
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- W2371036756 date "2012-01-01" @default.
- W2371036756 modified "2023-09-26" @default.
- W2371036756 title "Concave and Convex Polygon Quick Identifying and Smart Meshing Technology" @default.
- W2371036756 hasPublicationYear "2012" @default.
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