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- #!BPY
- """
- Name: 'Clean Weight...'
- Blender: 245
- Group: 'WeightPaint'
- Tooltip: 'Removed verts from groups below a weight limit.'
- """
-
- __author__ = "Campbell Barton aka ideasman42"
- __url__ = ["www.blender.org", "blenderartists.org", "www.python.org"]
- __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:
- # cant use iteritems because the dict is having items removed
- 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()
-