[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [3288] contrib/py/scripts/addons: merging older SolidifyWireframe into object_render_wire.py

Brendon Murphy meta.androcto1 at gmail.com
Fri Apr 20 04:06:56 CEST 2012


Revision: 3288
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-extensions&revision=3288
Author:   meta-androcto
Date:     2012-04-20 02:06:53 +0000 (Fri, 20 Apr 2012)
Log Message:
-----------
merging older SolidifyWireframe into object_render_wire.py
providing render wire materials, wire curves & wire mesh

Added Paths:
-----------
    contrib/py/scripts/addons/object_render_wire.py

Removed Paths:
-------------
    contrib/py/scripts/addons/mesh_solidify_wireframe.py

Deleted: contrib/py/scripts/addons/mesh_solidify_wireframe.py
===================================================================
--- contrib/py/scripts/addons/mesh_solidify_wireframe.py	2012-04-19 14:58:30 UTC (rev 3287)
+++ contrib/py/scripts/addons/mesh_solidify_wireframe.py	2012-04-20 02:06:53 UTC (rev 3288)
@@ -1,298 +0,0 @@
-#!BPY
-
-bl_info = {
-    "name": "Solidify Wireframe",
-    "author": "Yorik van Havre, Alejandro Sierra, Howard Trickey",
-    "description": "Turns the selected edges of a mesh into solid geometry",
-    "version": (2, 3),
-    "blender": (2, 5, 8),
-    "category": "Mesh",
-    "location": "Mesh > Solidify Wireframe",
-    "warning": '',
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/Scripts/Modeling/Solidify_Wireframe",
-    "tracker_url": "http://projects.blender.org/tracker/?func=detail&group_id=153&aid=26997&atid=467",
-    }
-
-# ***** 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 th
-# 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 *****
-
-import bpy, mathutils
-
-cube_faces = [ [0,3,2,1], [5,6,7,4], [0,1,5,4],
-               [7,6,2,3], [2,6,5,1], [0,4,7,3] ]
-cube_normals = [ mathutils.Vector((0,0,-1)),
-                 mathutils.Vector((0,0,1)),
-                 mathutils.Vector((0,-1,0)),
-                 mathutils.Vector((0,1,0)),
-                 mathutils.Vector((1,0,0)),
-                 mathutils.Vector((-1,0,0)) ]
-
-def create_cube(me, v, d):
-    x = v.co.x
-    y = v.co.y
-    z = v.co.z
-    coords=[ [x-d,y-d,z-d], [x+d,y-d,z-d], [x+d,y+d,z-d], [x-d,y+d,z-d],
-         [x-d,y-d,z+d], [x+d,y-d,z+d], [x+d,y+d,z+d], [x-d,y+d,z+d] ]
-    for coord in coords:
-        me.vertices.add(1)
-        me.vertices[-1].co = mathutils.Vector(coord)
-
-def norm_dot(e, k, fnorm, me):
-    v = me.vertices[e[1]].co - me.vertices[e[0]].co
-    if k == 1:
-        v = -v
-    v.normalize()
-    return v * fnorm
-
-def fill_cube_face(me, index, f):
-    return [index + cube_faces[f][i] for i in range(4)]
-
-# Coords of jth point of face f in cube instance i
-def cube_face_v(me, f, i, j):
-    return me.vertices[i + cube_faces[f][j]].co
-
-def cube_face_center(me, f, i):
-    return 0.5 * (cube_face_v(me, f, i, 0) + \
-                  cube_face_v(me, f, i, 2))
-
-# Return distance between points on two faces when
-# each point is projected onto the plane that goes through
-# the face center and is perpendicular to the line
-# through the face centers.
-def projected_dist(me, i1, i2, f1, f2, j1, j2):
-    f1center = cube_face_center(me, f1, i1)
-    f2center = cube_face_center(me, f2, i2)
-    axis_norm = (f2center - f1center).normalized()
-    v1 = cube_face_v(me, f1, i1, j1)
-    v2 = cube_face_v(me, f2, i2, j2)
-    v1proj = v1 - (axis_norm * (v1 - f1center)) * axis_norm
-    v2proj = v2 - (axis_norm * (v2 - f2center)) * axis_norm
-    return (v2proj - v1proj).length
-
-def skin_edges(me, i1, i2, f1, f2):
-    # Connect verts starting at i1 forming cube face f1
-    # to those starting at i2 forming cube face f2.
-    # Need to find best alignment to avoid a twist.
-    shortest_length = 1e6
-    f2_start_index = 0
-    for i in range(4):
-        x = projected_dist(me, i1, i2, f1, f2, 0, i)
-        if x < shortest_length:
-            shortest_length = x
-            f2_start_index = i
-    ans = []
-    j = f2_start_index
-    for i in range(4):
-        fdata = [i1 + cube_faces[f1][i],
-                 i2 + cube_faces[f2][j],
-                 i2 + cube_faces[f2][(j + 1) % 4],
-                 i1 + cube_faces[f1][(i - 1) % 4]]
-        if fdata[3] == 0:
-            fdata = [fdata[3]] + fdata[0:3]
-        ans.extend(fdata)
-        j = (j - 1) % 4
-    return ans
-            
-
-# Return map: v -> list of length len(node_normals) where
-# each element of the list is either None (no assignment)
-# or ((v0, v1), 0 or 1) giving an edge and direction that face is assigned to.
-def find_assignment(me, edges, vert_edges, node_normals):
-    nf = len(node_normals)
-    feasible = {}
-    for e in edges:
-        for k in (0, 1):
-            fds = [(f, norm_dot(e, k, node_normals[f], me)) for f in range(nf)]
-            feasible[(e, k)] = [fd for fd in fds if fd[1] > 0.01]
-    assignment = {}
-    for v, ves in vert_edges.items():
-        assignment[v] = best_assignment(ves, feasible, nf)
-    return assignment
-
-def best_assignment(ves, feasible, nf):
-    apartial = [ None ] * nf
-    return best_assign_help(ves, feasible, apartial, 0.0)[0]
-
-def best_assign_help(ves, feasible, apartial, sumpartial):
-    if len(ves) == 0:
-        return (apartial, sumpartial)
-    else:
-        ek0 = ves[0]
-        vesrest = ves[1:]
-        feas = feasible[ek0]
-        bestsum = 0
-        besta = None
-        for (f, d) in feas:
-            if apartial[f] is None:
-                ap = apartial[:]
-                ap[f] = ek0
-                # sum up d**2 to penalize smaller d's more
-                sp = sumpartial + d*d
-                (a, s) = best_assign_help(vesrest, feasible, ap, sp)
-                if s > bestsum:
-                    bestsum = s
-                    besta = a
-        if besta:
-            return (besta, bestsum)
-        else:
-            # not feasible to assign e0, k0; try to assign rest
-            return best_assign_help(vesrest, feasible, apartial, sumpartial)
-
-def assigned_face(e, assignment):
-    (v0, v1), dir = e
-    a = assignment[v1]
-    for j, ee in enumerate(a):
-        if e == ee:
-            return j
-    return -1
-
-def create_wired_mesh(me2, me, thick):
-    edges = []
-    vert_edges = {}
-    for be in me.edges:
-        if be.select and not be.hide:
-            e = (be.key[0], be.key[1])
-            edges.append(e)
-            for k in (0, 1):
-                if e[k] not in vert_edges:
-                    vert_edges[e[k]] = []
-                vert_edges[e[k]].append((e, k))
-
-    assignment = find_assignment(me, edges, vert_edges, cube_normals)
-
-    # Create the geometry
-    n_idx = {}   
-    for v in assignment:
-        vpos = me.vertices[v]
-        index = len(me2.vertices)
-        # We need to associate each node with the new geometry
-        n_idx[v] = index   
-        # Geometry for the nodes, each one a cube
-        create_cube(me2, vpos, thick)
-
-    # Skin using the new geometry 
-    cfaces = []  
-    for k, f in assignment.items():
-        # Skin the nodes
-        for i in range(len(cube_faces)):
-            if f[i] is None:
-                cfaces.extend(fill_cube_face(me2, n_idx[k], i))
-            else:
-                (v0, v1), dir = f[i]
-                # only skin between edges in forward direction
-                # to avoid making doubles
-                if dir == 1:
-                    # but first make sure other end actually assigned
-                    i2 = assigned_face(((v0, v1), 0), assignment)
-                    if i2 == -1:
-                        cfaces.extend(fill_cube_face(me2, n_idx[k], i))
-                    continue
-                i2 = assigned_face(((v0, v1), 1), assignment)
-                if i2 != -1:
-                    cfaces.extend(skin_edges(me2, n_idx[v0], n_idx[v1], i, i2))
-                else:
-                    # assignment failed for this edge
-                    cfaces.extend(fill_cube_face(me2, n_idx[k], i))
-
-    # adding faces to the mesh
-    me2.tessfaces.add(len(cfaces) // 4)
-    me2.tessfaces.foreach_set("vertices_raw", cfaces)
-    me2.update(calc_edges=True)
-
-# panel containing tools
-class VIEW3D_PT_tools_SolidifyWireframe(bpy.types.Panel):
-    bl_space_type = 'VIEW_3D'
-    bl_region_type = 'TOOLS'
-    bl_context = "mesh_edit"
-    bl_label = "Solidify Wireframe"
-
-    def draw(self, context):
-        active_obj = context.active_object
-        layout = self.layout
-        col = layout.column(align=True)
-        col.operator("mesh.solidify_wireframe", text="Solidify")
-        col.prop(context.scene, "swThickness")
-        col.prop(context.scene, "swSelectNew")
-
-# a class for your operator
-class SolidifyWireframe(bpy.types.Operator):
-    '''Turns the selected edges of a mesh into solid objects'''
-    bl_idname = "mesh.solidify_wireframe"
-    bl_label = "Solidify Wireframe"
-    bl_options = {'REGISTER', 'UNDO'}
-    
-    def invoke(self, context, event):
-        return self.execute(context)
-
-    @classmethod
-    def poll(cls, context):
-        ob = context.active_object
-        return ob and ob.type == 'MESH'
-
-    def execute(self, context):
-        # Get the active object
-        ob_act = context.active_object
-        # getting current edit mode
-        currMode = ob_act.mode
-        # switching to object mode
-        bpy.ops.object.mode_set(mode='OBJECT')
-        bpy.ops.object.select_all(action='DESELECT')
-        # getting mesh data
-        mymesh = ob_act.data
-        #getting new mesh
-        newmesh = bpy.data.meshes.new(mymesh.name + " wire")
-        obj = bpy.data.objects.new(newmesh.name,newmesh)
-        obj.location = ob_act.location
-        obj.rotation_euler = ob_act.rotation_euler
-        obj.scale = ob_act.scale
-        context.scene.objects.link(obj)
-        create_wired_mesh(newmesh, mymesh, context.scene.swThickness)
-
-        # restoring original editmode if needed
-        if context.scene.swSelectNew:
-            obj.select = True
-            context.scene.objects.active = obj
-        else:
-            bpy.ops.object.mode_set(mode=currMode)
-
-        # returning after everything is done
-        return {'FINISHED'}
-
-# Register the operator
-def solidifyWireframe_menu_func(self, context):
-        self.layout.operator(SolidifyWireframe.bl_idname, text="Solidify Wireframe", icon='PLUGIN')
-
-# Add "Solidify Wireframe" menu to the "Mesh" menu.
-def register():

@@ Diff output truncated at 10240 characters. @@


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