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" width:179 height:44
(
button btn4 "三角面转四边形" pos:[20,6] width: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)