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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
import BPyMesh
SMALL_NUM= 0.000001
def actWeightNormalize(me, PREF_THRESH, PREF_KEEP_SINGLE):
groupNames, vWeightDict= BPyMesh.meshWeight2Dict(me)
act_group= me.activeGroup
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]
except:
pass
# Copy weights back to the mesh.
BPyMesh.dict2MeshWeight(me, groupNames, vWeightDict)
def main():
scn= Scene.GetCurrent()
ob= scn.getActiveObject()
if not ob or ob.getType() != 'Mesh':
Draw.PupMenu('Error, no active mesh object, aborting.')
return
me= ob.getData(mesh=1)
PREF_PEAKWEIGHT= Draw.Create(0.005)
PREF_KEEP_SINGLE= Draw.Create(1)
pup_block= [\
('Peak Weight:', PREF_PEAKWEIGHT, 0.01, 1.0, 'Upper weight for normalizing.'),\
('Keep Single User', PREF_KEEP_SINGLE, 'Dont remove verts that are in this group only.'),\
]
if not Draw.PupBlock('Clean Selected Meshes...', pup_block):
return
PREF_PEAKWEIGHT= PREF_PEAKWEIGHT.val
PREF_KEEP_SINGLE= PREF_KEEP_SINGLE.val
actWeightNormalize(me, PREF_PEAKWEIGHT, PREF_KEEP_SINGLE)
if __name__=='__main__':
main()
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