Added research data, testing blender mesh generation

src_research_readme/blender_2.43_scripts/weightpaint_clean.py

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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()