看了脚本后才知道是怎么把三边转四边。

rollout 三角面转四边形 "三角面转四边形" 179 height:44
(
 button btn4 "三角面转四边形" pos:[20,6] 136 height:27
 on btn4 pressed do
 (

disablesceneredraw()
cobjs = selection.count
cobjset=#()
for i = 1 to cobjs do
(
cobjset[i] = selection[i]
)
tb = Bomb strength:0 gravity:0 detonation:0f minFragmentSize:2 maxFragmentSize:2 falloff:100 pos:[0,0,0] name:"tempbomb"
for i = 1 to cobjs do
(
 try
  (
  oldname = cobjset[i].name
  oldpivot = cobjset[i].pivot
  cobjset[i].name = "deleteoldmesh"
  bindSpaceWarp cobjset[i] $tempbomb
  snapshot cobjset[i] name:"tempmesh"
  select $tempmesh
  macros.run "Modifier Stack" "Convert_to_Poly"
  subobjectLevel = 2
  actionMan.executeAction 0 "40021"
  $.EditablePoly.Remove ()
  $.edgeWeldThreshold = 0.00001
  $.EditablePoly.weldFlaggedEdges ()
  subobjectLevel = 0
  $.pivot=oldpivot
  $tempmesh.name=oldname
  )
 catch
  (
  )
 
)
delete $deleteoldmesh*
delete $tempbomb
clearSelection()
enablesceneredraw()
redrawviews()

  )
)
createdialog 三角面转四边形 style:#(#style_minimizebox, #style_titlebar, #style_sysmenu)