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给定一组点,您可以创建简单的多边形并计算面积等基本几何量。要获得更复杂的多边形或更多几何信息,请创建一个 polyshape 对象。然后,使用对象函数修改、查询和可视化多边形或一组多边形。
polyshape
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boundaryshape
inpolygon
nsidedpoly
polyarea
polybuffer
rectint
addboundary
rmboundary
rmholes
rmslivers
rotate
scale
simplify
sortboundaries
sortregions
translate
boundary
holes
ishole
isinterior
issimplified
nearestvertex
numboundaries
numsides
overlaps
plot
regions
area
boundingbox
centroid
convhull
turningdist
triangulation
perimeter
intersect
subtract
union
xor
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