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129 lines
3.8 KiB
Python
129 lines
3.8 KiB
Python
# mesh_relax.py Copyright (C) 2010, Fabian Fricke
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#
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# Relaxes selected vertices while retaining the shape as much as possible
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#
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# ***** BEGIN GPL LICENSE BLOCK *****
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#
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ***** END GPL LICENCE BLOCK *****
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bl_addon_info = {
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'name': 'Mesh: Relax',
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'author': 'Fabian Fricke',
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'version': '1.0 2010/04/03',
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'blender': (2, 5, 3),
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'location': 'View3D > Specials > Relax ',
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'description': 'Relax the selected verts while retaining the shape',
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'url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/' \
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'Scripts/Modeling/Relax',
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'category': 'Mesh'}
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"""
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Usage:
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Launch from "W-menu" or from "Mesh -> Vertices -> Relax"
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Additional links:
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Author Site: http://frigi.designdevil.de
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e-mail: frigi.f {at} gmail {dot} com
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"""
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import bpy
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from bpy.props import IntProperty
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def relax_mesh(self, context):
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# get active object and remember some of its mesh info
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obj = context.active_object
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me_old = obj.data
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me_name = me_old.name
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# deselect everything that's not related
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if bpy.context.selected_objects:
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for o in bpy.context.selected_objects:
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o.selected = False
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# duplicate the object so it can be used for the shrinkwrap modifier
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obj.selected = True # make sure the object is selected!
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bpy.ops.object.mode_set(mode='OBJECT')
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bpy.ops.object.duplicate()
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target = context.active_object
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bpy.context.scene.objects.active = obj
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sw = obj.modifiers.new(type='SHRINKWRAP', name='target')
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sw.target = target
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# run smooth operator to relax the mesh
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bpy.ops.object.mode_set(mode='EDIT')
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bpy.ops.mesh.vertices_smooth()
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bpy.ops.object.mode_set(mode='OBJECT')
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# apply and remove the modifier
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me = obj.create_mesh(context.scene, True, 'PREVIEW')
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obj.data = me
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obj.modifiers.remove(sw)
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# clean up the old mesh and rename the new one
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bpy.data.meshes.remove(me_old)
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obj.data.name = me_name
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# delete the target object
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obj.selected = False
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target.selected = True
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bpy.ops.object.delete()
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# go back to initial state
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obj.selected = True
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bpy.ops.object.mode_set(mode='EDIT')
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class Relax(bpy.types.Operator):
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'''Relaxes selected vertices while retaining the shape as much as possible'''
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bl_idname = 'mesh.relax'
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bl_label = 'Relax'
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bl_options = {'REGISTER', 'UNDO'}
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iterations = IntProperty(name="Relax iterations",
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default=1, min=0, max=10, soft_min=0, soft_max=10)
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def poll(self, context):
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obj = context.active_object
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return (obj and obj.type == 'MESH')
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def execute(self, context):
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for i in range(0,self.properties.iterations):
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relax_mesh(self, context)
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return {'FINISHED'}
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menu_func = (lambda self, context: self.layout.operator(Relax.bl_idname, text="Relax"))
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def register():
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bpy.types.register(Relax)
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bpy.types.VIEW3D_MT_edit_mesh_specials.append(menu_func)
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bpy.types.VIEW3D_MT_edit_mesh_vertices.append(menu_func)
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def unregister():
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bpy.types.unregister(Relax)
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bpy.types.VIEW3D_MT_edit_mesh_specials.remove(menu_func)
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bpy.types.VIEW3D_MT_edit_mesh_vertices.remove(menu_func)
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if __name__ == "__main__":
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register()
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