blender/release/scripts/faceselect_same_weights.py

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#!BPY
"""
Name: 'Same Weights...'
Blender: 245
Group: 'FaceSelect'
Tooltip: 'Select same faces with teh same weight for the active group.'
"""
__author__ = ["Campbell Barton aka ideasman42"]
__url__ = ["www.blender.org", "blenderartists.org", "www.python.org"]
__version__ = "0.1"
__bpydoc__ = """\
Select Same Weights
Select same weights as the active face on the active group.
"""
# ***** 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, Mesh
import BPyMesh
def selSameWeights(me, PREF_TOLERENCE):
# Check for missing data
if not me.faceUV: return
act_group= me.activeGroup
if not act_group: return
act_face = me.faces[me.activeFace]
if act_face == None: return
groupNames, vWeightDict= BPyMesh.meshWeight2Dict(me)
def get_face_weight(f):
'''
Return the faces median weight and weight range.
'''
wmin = 1.0
wmax = 0.0
w = 0.0
for v in f:
try:
new_weight = vWeightDict[v.index][act_group]
if wmin > new_weight: wmin = new_weight
if wmax < new_weight: wmax = new_weight
w += new_weight
except:
pass
return w, wmax-wmin # weight, range
weight_from, weight_range_from = get_face_weight(act_face)
for f in me.faces:
if (not f.sel) and f != act_face:
weight, weight_range = get_face_weight(f)
# Compare the 2 faces weight difference and difference in their contrast.
if\
abs(weight - weight_from) <= PREF_TOLERENCE and\
abs(weight_range - weight_range_from) <= PREF_TOLERENCE:
f.sel = True
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_TOLERENCE= Draw.Create(0.1)
pup_block= [\
('Tolerence:', PREF_TOLERENCE, 0.01, 1.0, 'Tolerence for selecting faces of the same weight.'),\
]
if not Draw.PupBlock('Select Same Weight...', pup_block):
return
PREF_TOLERENCE= PREF_TOLERENCE.val
selSameWeights(me, PREF_TOLERENCE)
if __name__=='__main__':
main()