Hey MarcAndre,
this should do the trick ...
""""
from win32com.client.dynamic import Dispatch
POLYMESH_TYPE = "polymsh"
POLYCLS_TYPE = "poly"
def fracture_by_clusters(inobjs):
"""
Fracture a mesh considering its clusters. Should keep materials, uvs and
whatever, since
objects are duplicated.
"""
Application.SetUserPref("SCR_CMDLOG_ENABLED", False)
# list ? pass : list
if type(inobjs) not in (list, tuple):
inobjs = (inobjs, )
# loop over objects
for inobj in inobjs:
# if not polymesh -> out
if inobj.Type != POLYMESH_TYPE:
continue
geo = inobj.ActivePrimitive.Geometry
# we skip on empty clusters
clusters = [c for c in geo.Clusters if c.Elements.Count > 0]
if len(clusters) > 0:
# we get all indices to make ops
indices = frozenset(geo.Polygons.IndexArray)
# we will calculate the "non-exist" cluster
rest = indices.copy()
# we duplicate the mesh to get the same number of "existing" clusters
dups = tuple(Application.SIDuplicate(inobj, len(clusters)))
# we loop over cluster/mesh
for cluster, dup in zip(clusters, dups):
subc = cluster.CreateSubComponent()
polys = subc.ComponentCollection
if subc.ClusterType != POLYCLS_TYPE:
# we turn cluster elements into polygons
polys = polys.NeighborPolygons()
# dispatch troubles
elements = frozenset(Dispatch(polys).IndexArray)
others = list(indices - elements)
op = Application.ApplyTopoOp("DeleteComponent",
"{0}.poly{1}".format(dup.FullName, str(others)))
Application.FreezeObj(op)
# set the name
dup.Name = cluster.Name
# get the rest
rest = rest - elements
# rest / last cluster
if len(rest) > 0:
others = list(indices - rest)
# nothing to remove
if others != list():
dup = Application.Duplicate(inobj, 1)(0)
op = Application.ApplyTopoOp("DeleteComponent",
"{0}.poly{1}".format(dup.FullName, str(others)))
Application.FreezeObj(op)
dup.Name = inobj.Name + "_Rest"
Application.DeleteObj(inobj)
return None
""""
jo
2012/4/25 Martin <[email protected]>
> Hi, a few weeks ago I wrote an script that may help you.
>
> It separates all polygon clusters in the selected object, or selected
> polygon clusters, or selected polygon components,
> and keep their properties (or at least some of them).
>
> The script logic is something like this:
> Duplicate the selected object.
> Delete unneeded polygons (unselected clusters) from the new object.
> Take the polygon cluster material and delete it. (if the source was a
> poly-cluster, the new object won't have poly-clusters)
>
> Run it while clicking Ctrl and it will delete the source.
>
> Since it is duplicating and deleting instead of just extracting a polygon
> cluster, it is a little slow if the object is a very high poly model with
> lots of poly clusters.
> I used Duplicate because I wanted to keep the envelope weights in the
> extracted objects, and that's the only way I know.
>
> https://dc299.4shared.com/download/qpTKS78N/mSeparate.js
>
> It's just an script so you can't do one click undo.
> I may release a plugin version soon.
>
> Martin Yara
>
>
> On Thu, Apr 26, 2012 at 12:16 AM, Marc-Andre Carbonneau <
> [email protected]> wrote:
>
>> Hi, ****
>>
>> me again…if you haven’t notice, we really need a TD tool writer here. ;)*
>> ***
>>
>> ** **
>>
>> Ok, I can’t find a tool or script that turns clusters into objects but
>> keep its materials.****
>>
>> Anybody has such a tool or knows where to find one? I searched the web
>> but hélas!****
>>
>> Thanks****
>>
>> MAC****
>>
>> ** **
>>
>
>
