diff --git a/mesh_relax.py b/mesh_relax.py new file mode 100644 index 0000000000000000000000000000000000000000..a47f294043c35d95054c5786cc657d5670ab2e66 --- /dev/null +++ b/mesh_relax.py @@ -0,0 +1,127 @@ +# 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 ***** + +bl_addon_info = { + 'name': 'Mesh: Relax', + 'author': 'Fabian Fricke', + 'version': '1.0 2010/04/03', + 'blender': (2, 5, 3), + 'location': 'View3D > Specials > Relax ', + 'description': 'Relax the selected verts while retaining the shape', + 'url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/' \ + 'Scripts/Modeling/Relax', + 'category': 'Mesh'} + +""" + +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 + +""" + + +import bpy +from bpy.props import IntProperty + +def relax_mesh(self, context): + + # get active object and remember some of its mesh info + obj = context.active_object + me_old = obj.data + me_name = me_old.name + + # deselect everything that's not related + for o in bpy.context.selected_objects: + o.selected = False + + # duplicate the object so it can be used for the shrinkwrap modifier + obj.selected = True # make sure the object is selected! + bpy.ops.object.mode_set(mode='OBJECT') + bpy.ops.object.duplicate() + target = context.active_object + bpy.context.scene.objects.active = obj + + sw = obj.modifiers.new(type='SHRINKWRAP', name='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 and remove the modifier + me = obj.create_mesh(True, 'PREVIEW') + obj.data = me + obj.modifiers.remove(sw) + + # clean up the old mesh and rename the new one + bpy.data.meshes.remove(me_old) + obj.data.name = me_name + + # delete the target object + obj.selected = False + target.selected = True + bpy.ops.object.delete() + + # go back to initial state + obj.selected = 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=10, 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(self, 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() \ No newline at end of file