Use area to get length from groups,don't use the edge

[xlin]

@xlin

# 这段是默认代码，您可以选择使用或删除。。。
mod = Sketchup.active_model # 打开模型
ent = mod.entities # 模型中的所有实体
sel = mod.selection # 当前选择
def min(*args)
   args.min
end

def max(*args)
   args.max
end

 #p=mod.path.gsub(/.skp$/,'_TMY.csv')
#f=File.open(p,'w')
sel.grep(Sketchup::Group) do | grp |
    s=[]
    pt=grp.bounds.max
    pt1=grp.bounds.min
    s << grp.bounds.width
    s << grp.bounds.height
    s << grp.bounds.depth
    temp0=s.max
    #最大数 temp0
    temp2=s.min
    #最小数
    s.delete_if{|e| e==s.min }
    temp1=s.min
    #temp1 中间数
     grp.entities.grep(Sketchup::Edge) do |e1|
           next unless e1.length == temp2 #当边长等于排宽时
             
              #result = e1.faces[0].classify_point(pt1)
              #if result == Sketchup::Face::PointNotOnPlane
                  if e1.faces[0].area > e1.faces[1].area
                    bc1=e1.faces[0].area / e1.length
                    p bc1.to_mm  
                  else
                    bc2=e1.faces[1].area / e1.length
                    p bc2.to_mm 
                  end
                #end #end result
     end #end temp2
          

end  

更新了一下取值,以免temp0 与 temp1 一样大时无法取得.采用数组方式获取就不存在这样的问题
The value is updated to avoid that it cannot be obtained when temp0 is as large as temp1. There is no such problem when it is obtained by array