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#!BPY
"""
Name: 'Clean Mesh'
Blender: 234
Group: 'Mesh'
Tooltip: 'Clean unused data from all selected meshes'
"""
__author__ = "Campbell Barton"
__url__ = ("blender", "elysiun")
__version__ = "1.1 04/25/04"
__bpydoc__ = """\
This script cleans specific data from all selected meshes.
Usage:
Select the meshes to be cleaned and run this script. A pop-up will ask
you what you want to remove:
- Free standing vertices;<br>
- Edges that are not part of any face;<br>
- Edges below a threshold length;<br>
- Faces below a threshold area;<br>
- All of the above.
After choosing one of the above alternatives, if your choice requires a
threshold value you'll be prompted with a number pop-up to set it.
"""
# $Id: clean_mesh.py,v 1.3 2004/12/01 04:49:04 ianwill Exp $
#
# --------------------------------------------------------------------------
# Mesh Cleaner 1.0 By Campbell Barton (AKA Ideasman)
# --------------------------------------------------------------------------
# ***** BEGIN GPL LICENSE BLOCK *****
#
# 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 *****
# --------------------------------------------------------------------------
# Made by Ideasman/Campbell 2004/04/25 - ideasman@linuxmail.org
import Blender
from Blender import *
from math import sqrt
time1 = Blender.sys.time()
VRemNum = ERemNum = FRemNum = 0 # Remember for statistics
#================#
# Math functions #
#================#
def compare(f1, f2, limit):
if f1 + limit > f2 and f1 - limit < f2:
return 1
return 0
def measure(v1, v2):
return Mathutils.Vector([v1[0]-v2[0], v1[1] - v2[1], v1[2] - v2[2]]).length
def triArea2D(v1, v2, v3):
e1 = measure(v1, v2)
e2 = measure(v2, v3)
e3 = measure(v3, v1)
p = e1+e2+e3
return 0.25 * sqrt(p*(p-2*e1)*(p-2*e2)*(p-2*e3))
#=============================#
# Blender functions/shortcuts #
#=============================#
def error(str):
Draw.PupMenu('ERROR%t|'+str)
def getLimit(text):
return Draw.PupFloatInput(text, 0.001, 0.0, 1.0, 0.1, 3)
def faceArea(f):
if len(f.v) == 4:
return triArea2D(f.v[0].co, f.v[1].co, f.v[2].co) + triArea2D(f.v[0].co, f.v[2].co, f.v[3].co)
elif len(f.v) == 3:
return triArea2D(f.v[0].co, f.v[1].co, f.v[2].co)
#================#
# Mesh functions #
#================#
def delFreeVert(mesh):
global VRemNum
usedList = eval('[' + ('False,' * len(mesh.verts) )+ ']')
# Now tag verts that areused
for f in mesh.faces:
for v in f.v:
usedList[mesh.verts.index(v)] = True
vIdx = 0
for bool in usedList:
if bool == False:
mesh.verts.pop(vIdx)
vIdx -= 1
VRemNum += 1
vIdx += 1
mesh.update()
def delEdge(mesh):
global ERemNum
fIdx = 0
while fIdx < len(mesh.faces):
if len(mesh.faces[fIdx].v) == 2:
mesh.faces.pop(fIdx)
ERemNum += 1
fIdx -= 1
fIdx +=1
mesh.update()
def delEdgeLen(mesh, limit):
global ERemNum
fIdx = 0
while fIdx < len(mesh.faces):
if len(mesh.faces[fIdx].v) == 2:
if measure(mesh.faces[fIdx].v[0].co, mesh.faces[fIdx].v[1].co) <= limit:
mesh.faces(fIdx)
ERemNum += 1
fIdx -= 1
fIdx +=1
mesh.update()
def delFaceArea(mesh, limit):
global FRemNum
fIdx = 0
while fIdx < len(mesh.faces):
if len(mesh.faces[fIdx].v) > 2:
if faceArea(mesh.faces[fIdx]) <= limit:
mesh.faces.pop(fIdx)
FRemNum += 1
fIdx -= 1
fIdx +=1
mesh.update()
#====================#
# Make a mesh list #
#====================#
is_editmode = Window.EditMode()
if is_editmode: Window.EditMode(0)
meshList = []
if len(Object.GetSelected()) > 0:
for ob in Object.GetSelected():
if ob.getType() == 'Mesh':
meshList.append(ob.getData())
#====================================#
# Popup menu to select the functions #
#====================================#
if len(meshList) == 0:
error('no meshes in selection')
else:
method = Draw.PupMenu(\
'Clean Mesh, Remove...%t|\
Verts: free standing|\
Edges: not in a face|\
Edges: below a length|\
Faces: below an area|%l|\
All of the above|')
if method >= 3:
limit = getLimit('threshold: ')
if method != -1:
for mesh in meshList:
if method == 1:
delFreeVert(mesh)
elif method == 2:
delEdge(mesh)
elif method == 3:
delEdgeLen(mesh, limit)
elif method == 4:
delFaceArea(mesh, limit)
elif method == 6: # All of them
delFaceArea(mesh, limit)
delEdge(mesh)
delFreeVert(mesh)
mesh.update(0)
Redraw()
print 'mesh cleanup time',Blender.sys.time() - time1
if is_editmode: Window.EditMode(1)
if method != -1:
Draw.PupMenu('Removed from ' + str(len(meshList)) +' Mesh(es)%t|' + 'Verts:' + str(VRemNum) + ' Edges:' + str(ERemNum) + ' Faces:' + str(FRemNum))
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