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|
#!BPY
"""
Name: 'Clean Weight...'
Blender: 241
Group: 'WeightPaint'
Tooltip: 'Removed verts from groups below a weight limit.'
"""
__author__ = ["Campbell Barton"]
__url__ = ("blender", "elysiun", "http://members.iinet.net.au/~cpbarton/ideasman/")
__version__ = "0.1"
__bpydoc__ = """\
Clean Weight
This Script is to be used only in weight paint mode,
It removes very low weighted verts from the current group with a weight option.
"""
# ***** BEGIN GPL LICENSE BLOCK *****
#
# Script copyright (C) Campbell J Barton
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ***** END GPL LICENCE BLOCK *****
# --------------------------------------------------------------------------
from Blender import Scene, Draw, Object
import BPyMesh
def weightClean(me, PREF_THRESH, PREF_KEEP_SINGLE, PREF_OTHER_GROUPS):
groupNames, vWeightDict= BPyMesh.meshWeight2Dict(me)
act_group= me.activeGroup
rem_count = 0
if PREF_OTHER_GROUPS:
for wd in vWeightDict:
l = len(wd)
if not PREF_KEEP_SINGLE or l > 1:
for group in wd.keys():
w= wd[group]
if w <= PREF_THRESH:
# small weight, remove.
del wd[group]
rem_count +=1
l-=1
if PREF_KEEP_SINGLE and l == 1:
break
else:
for wd in vWeightDict:
if not PREF_KEEP_SINGLE or len(wd) > 1:
try:
w= wd[act_group]
if w <= PREF_THRESH:
# small weight, remove.
del wd[act_group]
rem_count +=1
except:
pass
# Copy weights back to the mesh.
BPyMesh.dict2MeshWeight(me, groupNames, vWeightDict)
return rem_count
def main():
scn= Scene.GetCurrent()
ob= scn.objects.active
if not ob or ob.type != 'Mesh':
Draw.PupMenu('Error, no active mesh object, aborting.')
return
me= ob.getData(mesh=1)
PREF_PEAKWEIGHT= Draw.Create(0.001)
PREF_KEEP_SINGLE= Draw.Create(1)
PREF_OTHER_GROUPS= Draw.Create(0)
pup_block= [\
('Peak Weight:', PREF_PEAKWEIGHT, 0.005, 1.0, 'Remove verts from groups below this weight.'),\
('All Other Groups', PREF_OTHER_GROUPS, 'Clean all groups, not just the current one.'),\
('Keep Single User', PREF_KEEP_SINGLE, 'Keep verts in at least 1 group.'),\
]
if not Draw.PupBlock('Clean Selected Meshes...', pup_block):
return
rem_count = weightClean(me, PREF_PEAKWEIGHT.val, PREF_KEEP_SINGLE.val, PREF_OTHER_GROUPS.val)
# Run on entire blend file. usefull sometimes but dont let users do it.
'''
rem_count = 0
for ob in Object.Get():
if ob.type != 'Mesh':
continue
me= ob.getData(mesh=1)
rem_count += weightClean(me, PREF_PEAKWEIGHT.val, PREF_KEEP_SINGLE.val, PREF_OTHER_GROUPS.val)
'''
Draw.PupMenu('Removed %i verts from groups' % rem_count)
if __name__=='__main__':
main()
|
