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# mesh_relax.py Copyright (C) 2010, Fabian Fricke
#
# Relaxes selected vertices while retaining the shape as much as possible
#
# ***** 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 *****
"""
Usage:
Launch from "W-menu" or from "Mesh -> Vertices -> Relax"
Additional links:
Author Site: http://frigi.designdevil.de
e-mail: frigi.f {at} gmail {dot} com
"""
bl_addon_info = {
'name': 'Mesh: Relax',
'author': 'Fabian Fricke',
'version': '1.1 2010/04/22',
'blender': (2, 5, 3),
'location': 'View3D > Specials > Relax ',
'description': 'Relax the selected verts while retaining the shape',
'warning': '', # used for warning icon and text in addons panel
'wiki_url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/' \
'Scripts/Modeling/Relax',
'tracker_url': 'https://projects.blender.org/tracker/index.php?'\
'func=detail&aid=21421&group_id=153&atid=469',
'category': 'Mesh'}
import bpy
from bpy.props import IntProperty
def relax_mesh(context):
# deselect everything that's not related
for obj in context.selected_objects:
obj.select = False
# get active object
obj = context.active_object
# duplicate the object so it can be used for the shrinkwrap modifier
obj.select = True # make sure the object is selected!
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.duplicate()
target = context.active_object
# remove all other modifiers from the target
for m in range(0, len(target.modifiers)):
target.modifiers.remove(target.modifiers[0])
context.scene.objects.active = obj
sw = obj.modifiers.new(type='SHRINKWRAP', name='relax_target')
sw.target = target
# run smooth operator to relax the mesh
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.vertices_smooth()
bpy.ops.object.mode_set(mode='OBJECT')
# apply the modifier
bpy.ops.object.modifier_apply(modifier='relax_target')
# delete the target object
obj.select = False
target.select = True
bpy.ops.object.delete()
# go back to initial state
obj.select = True
bpy.ops.object.mode_set(mode='EDIT')
class Relax(bpy.types.Operator):
'''Relaxes selected vertices while retaining the shape as much as possible'''
bl_idname = 'mesh.relax'
bl_label = 'Relax'
bl_options = {'REGISTER', 'UNDO'}
iterations = IntProperty(name="Relax iterations",
default=1, min=0, max=100, soft_min=0, soft_max=10)
def poll(self, context):
obj = context.active_object
return (obj and obj.type == 'MESH')
def execute(self, context):
for i in range(0,self.properties.iterations):
relax_mesh(context)
return {'FINISHED'}
menu_func = (lambda self, context: self.layout.operator(Relax.bl_idname, text="Relax"))
def register():
bpy.types.register(Relax)
bpy.types.VIEW3D_MT_edit_mesh_specials.append(menu_func)
bpy.types.VIEW3D_MT_edit_mesh_vertices.append(menu_func)
def unregister():
bpy.types.unregister(Relax)
bpy.types.VIEW3D_MT_edit_mesh_specials.remove(menu_func)
bpy.types.VIEW3D_MT_edit_mesh_vertices.remove(menu_func)
if __name__ == "__main__":
register()
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