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Diffstat (limited to 'release/scripts/mesh_cleanup.py')
| -rw-r--r-- | release/scripts/mesh_cleanup.py | 456 |
1 files changed, 0 insertions, 456 deletions
diff --git a/release/scripts/mesh_cleanup.py b/release/scripts/mesh_cleanup.py deleted file mode 100644 index 27adca335cb..00000000000 --- a/release/scripts/mesh_cleanup.py +++ /dev/null @@ -1,456 +0,0 @@ -#!BPY -""" -Name: 'Clean Meshes' -Blender: 245 -Group: 'Mesh' -Tooltip: 'Clean unused data from all selected mesh objects.' -""" - -__author__ = "Campbell Barton aka ideasman42" -__url__ = ["www.blender.org", "blenderartists.org", "www.python.org"] -__version__ = "0.1" -__bpydoc__ = """\ -Clean Meshes - -Cleans unused data from selected meshes -""" - -# ***** BEGIN GPL LICENSE BLOCK ***** -# -# Script copyright (C) Campbell J Barton -# -# 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 ***** -# -------------------------------------------------------------------------- - - -from Blender import * -import bpy -from Blender.Mathutils import TriangleArea - -import Blender -import BPyMesh -dict2MeshWeight= BPyMesh.dict2MeshWeight -meshWeight2Dict= BPyMesh.meshWeight2Dict - -def rem_free_verts(me): - vert_users= [0] * len(me.verts) - for f in me.faces: - for v in f: - vert_users[v.index]+=1 - - for e in me.edges: - for v in e: # loop on edge verts - vert_users[v.index]+=1 - - verts_free= [i for i, users in enumerate(vert_users) if not users] - - if verts_free: - pass - me.verts.delete(verts_free) - return len(verts_free) - -def rem_free_edges(me, limit=None): - ''' Only remove based on limit if a limit is set, else remove all ''' - - edgeDict= {} # will use a set when python 2.4 is standard. - - for f in me.faces: - for edkey in f.edge_keys: - edgeDict[edkey] = None - - edges_free= [] - for e in me.edges: - if not edgeDict.has_key(e.key): - edges_free.append(e) - - if limit != None: - edges_free= [e for e in edges_free if e.length <= limit] - - me.edges.delete(edges_free) - return len(edges_free) - -def rem_area_faces(me, limit=0.001): - ''' Faces that have an area below the limit ''' - rem_faces= [f for f in me.faces if f.area <= limit] - if rem_faces: - me.faces.delete( 0, rem_faces ) - return len(rem_faces) - -def rem_perimeter_faces(me, limit=0.001): - ''' Faces whos combine edge length is below the limit ''' - def faceEdLen(f): - v= f.v - if len(v) == 3: - return\ - (v[0].co-v[1].co).length +\ - (v[1].co-v[2].co).length +\ - (v[2].co-v[0].co).length - else: # 4 - return\ - (v[0].co-v[1].co).length +\ - (v[1].co-v[2].co).length +\ - (v[2].co-v[3].co).length +\ - (v[3].co-v[0].co).length - rem_faces= [f for f in me.faces if faceEdLen(f) <= limit] - if rem_faces: - me.faces.delete( 0, rem_faces ) - return len(rem_faces) - -def rem_unused_materials(me): - materials= me.materials - len_materials= len(materials) - if len_materials < 2: - return 0 - - rem_materials= 0 - - material_users= dict( [(i,0) for i in xrange(len_materials)] ) - - for f in me.faces: - f_mat = f.mat - # Make sure the face index isnt too big. this happens sometimes. - if f_mat >= len_materials: - f_mat = f.mat = 0 - material_users[f_mat] += 1 - - # mat_idx_subtract= 0 - # reindex_mapping= dict( [(i,0) for i in xrange(len_materials)] ) - - reindex_mapping_ls = range(len_materials) - for i in range(len_materials-1, -1, -1): - if material_users[i] == 0: - del reindex_mapping_ls[i] - del materials[i] - rem_materials+=1 - - reindex_mapping= {} - - for i, mat in enumerate(reindex_mapping_ls): - reindex_mapping[mat] = i - - for f in me.faces: - f.mat= reindex_mapping[f.mat] - - me.materials= materials - return rem_materials - - -def rem_free_groups(me, groupNames, vWeightDict): - ''' cound how many vert users a group has and remove unused groups ''' - rem_groups = 0 - groupUserDict= dict([(group,0) for group in groupNames]) - - for vertexWeight in vWeightDict: - for group, weight in vertexWeight.iteritems(): - groupUserDict[group] += 1 - - i=len(groupNames) - while i: - i-=1 - group= groupNames[i] - if groupUserDict[group] == 0: - del groupNames[i] - print '\tremoving, vgroup', group - rem_groups+=1 - return rem_groups - -def rem_zero_weights(me, limit, groupNames, vWeightDict): - ''' remove verts from a group when their weight is zero.''' - rem_vweight_count= 0 - for vertexWeight in vWeightDict: - items= vertexWeight.items() - for group, weight in items: - if weight < limit: - del vertexWeight[group] - rem_vweight_count+= 1 - - return rem_vweight_count - - -def normalize_vweight(me, groupNames, vWeightDict): - for vertexWeight in vWeightDict: - unit= 0.0 - for group, weight in vertexWeight.iteritems(): - unit+= weight - - if unit != 1.0 and unit != 0.0: - for group, weight in vertexWeight.iteritems(): - vertexWeight[group]= weight/unit - -def isnan(f): - fstring = str(f).lower() - if 'nan' in fstring: - return True - if 'inf' in fstring: - return True - - return False - -def fix_nan_verts__internal(me): - rem_nan = 0 - for v in me.verts: - co = v.co - for i in (0,1,2): - if isnan(co[i]): - co[i] = 0.0 - rem_nan += 1 - return rem_nan - -def fix_nan_verts(me): - rem_nan = 0 - key = me.key - if key: - # Find the object, and get a mesh thats thinked to the oblink. - # this is a bit crap but needed to set the active key. - me_oblink = None - for ob in bpy.data.objects: - me_oblink = ob.getData(mesh=1) - if me_oblink == me: - me = me_oblink - break - if not me_oblink: - ob = None - - if key and ob: - blocks = key.blocks - # print blocks - orig_pin = ob.pinShape - orig_shape = ob.activeShape - orig_relative = key.relative - ob.pinShape = True - for i, block in enumerate(blocks): - ob.activeShape = i+1 - ob.makeDisplayList() - rem_nan += fix_nan_verts__internal(me) - me.update(block.name) # get the new verts - ob.pinShape = orig_pin - ob.activeShape = orig_shape - key.relative = orig_relative - - else: # No keys, simple operation - rem_nan = fix_nan_verts__internal(me) - - return rem_nan - -def fix_nan_uvs(me): - rem_nan = 0 - if me.faceUV: - orig_uvlayer = me.activeUVLayer - for uvlayer in me.getUVLayerNames(): - me.activeUVLayer = uvlayer - for f in me.faces: - for uv in f.uv: - for i in (0,1): - if isnan(uv[i]): - uv[i] = 0.0 - rem_nan += 1 - me.activeUVLayer = orig_uvlayer - return rem_nan - - -def has_vcol(me): - for f in me.faces: - for col in f.col: - if not (255 == col.r == col.g == col.b): - return True - return False - -def rem_white_vcol_layers(me): - vcols_removed = 0 - if me.vertexColors: - for col in me.getColorLayerNames(): - me.activeColorLayer = col - if not has_vcol(me): - me.removeColorLayer(col) - vcols_removed += 1 - - return vcols_removed - - -def main(): - sce= bpy.data.scenes.active - obsel= list(sce.objects.context) - actob= sce.objects.active - - is_editmode= Window.EditMode() - - # Edit mode object is not active, add it to the list. - if is_editmode and (not actob.sel): - obsel.append(actob) - - - #====================================# - # Popup menu to select the functions # - #====================================# - - CLEAN_ALL_DATA= Draw.Create(0) - CLEAN_VERTS_FREE= Draw.Create(1) - CLEAN_EDGE_NOFACE= Draw.Create(0) - CLEAN_EDGE_SMALL= Draw.Create(0) - CLEAN_FACE_PERIMETER= Draw.Create(0) - CLEAN_FACE_SMALL= Draw.Create(0) - - CLEAN_MATERIALS= Draw.Create(0) - CLEAN_WHITE_VCOL_LAYERS= Draw.Create(0) - CLEAN_GROUP= Draw.Create(0) - CLEAN_VWEIGHT= Draw.Create(0) - CLEAN_WEIGHT_NORMALIZE= Draw.Create(0) - limit= Draw.Create(0.01) - - CLEAN_NAN_VERTS= Draw.Create(0) - CLEAN_NAN_UVS= Draw.Create(0) - - # Get USER Options - - pup_block= [\ - ('Verts: free', CLEAN_VERTS_FREE, 'Remove verts that are not used by an edge or a face.'),\ - ('Edges: free', CLEAN_EDGE_NOFACE, 'Remove edges that are not in a face.'),\ - ('Edges: short', CLEAN_EDGE_SMALL, 'Remove edges that are below the length limit.'),\ - ('Faces: small perimeter', CLEAN_FACE_PERIMETER, 'Remove faces below the perimeter limit.'),\ - ('Faces: small area', CLEAN_FACE_SMALL, 'Remove faces below the area limit (may remove faces stopping T-face artifacts).'),\ - ('limit: ', limit, 0.001, 1.0, 'Limit for the area and length tests above (a higher limit will remove more data).'),\ - ('Material Clean', CLEAN_MATERIALS, 'Remove unused materials.'),\ - ('Color Layers', CLEAN_WHITE_VCOL_LAYERS, 'Remove vertex color layers that are totaly white'),\ - ('VGroup Clean', CLEAN_GROUP, 'Remove vertex groups that have no verts using them.'),\ - ('Weight Clean', CLEAN_VWEIGHT, 'Remove zero weighted verts from groups (limit is zero threshold).'),\ - ('WeightNormalize', CLEAN_WEIGHT_NORMALIZE, 'Make the sum total of vertex weights accross vgroups 1.0 for each vertex.'),\ - 'Clean NAN values',\ - ('NAN Verts', CLEAN_NAN_VERTS, 'Make NAN or INF verts (0,0,0)'),\ - ('NAN UVs', CLEAN_NAN_UVS, 'Make NAN or INF UVs (0,0)'),\ - '',\ - ('All Mesh Data', CLEAN_ALL_DATA, 'Warning! Operate on ALL mesh objects in your Blend file. Use with care'),\ - ] - - if not Draw.PupBlock('Clean Selected Meshes...', pup_block): - return - - CLEAN_VERTS_FREE= CLEAN_VERTS_FREE.val - CLEAN_EDGE_NOFACE= CLEAN_EDGE_NOFACE.val - CLEAN_EDGE_SMALL= CLEAN_EDGE_SMALL.val - CLEAN_FACE_PERIMETER= CLEAN_FACE_PERIMETER.val - CLEAN_FACE_SMALL= CLEAN_FACE_SMALL.val - CLEAN_MATERIALS= CLEAN_MATERIALS.val - CLEAN_WHITE_VCOL_LAYERS= CLEAN_WHITE_VCOL_LAYERS.val - CLEAN_GROUP= CLEAN_GROUP.val - CLEAN_VWEIGHT= CLEAN_VWEIGHT.val - CLEAN_WEIGHT_NORMALIZE= CLEAN_WEIGHT_NORMALIZE.val - limit= limit.val - CLEAN_ALL_DATA= CLEAN_ALL_DATA.val - CLEAN_NAN_VERTS= CLEAN_NAN_VERTS.val - CLEAN_NAN_UVS= CLEAN_NAN_UVS.val - - if is_editmode: Window.EditMode(0) - - if CLEAN_ALL_DATA: - if CLEAN_GROUP or CLEAN_VWEIGHT or CLEAN_WEIGHT_NORMALIZE: - # For groups we need the objects linked to the mesh - meshes= [ob.getData(mesh=1) for ob in bpy.data.objects if ob.type == 'Mesh' if not ob.lib] - else: - meshes= bpy.data.meshes - else: - meshes= [ob.getData(mesh=1) for ob in obsel if ob.type == 'Mesh'] - - tot_meshes = len(meshes) # so we can decrement libdata - rem_face_count= rem_edge_count= rem_vert_count= rem_material_count= rem_vcol_layer_count= rem_group_count= rem_vweight_count= fix_nan_vcount= fix_nan_uvcount= 0 - if not meshes: - if is_editmode: Window.EditMode(1) - Draw.PupMenu('No meshes to clean') - - Blender.Window.WaitCursor(1) - bpy.data.meshes.tag = False - for me in meshes: - - # Dont touch the same data twice - if me.tag: - tot_meshes -= 1 - continue - me.tag = True - - if me.lib: - tot_meshes -= 1 - continue - - if me.multires: - multires_level_orig = me.multiresDrawLevel - me.multiresDrawLevel = 1 - print 'Warning, cannot perform destructive operations on multires mesh:', me.name - else: - if CLEAN_FACE_SMALL: - rem_face_count += rem_area_faces(me, limit) - - if CLEAN_FACE_PERIMETER: - rem_face_count += rem_perimeter_faces(me, limit) - - if CLEAN_EDGE_SMALL: # for all use 2- remove all edges. - rem_edge_count += rem_free_edges(me, limit) - - if CLEAN_EDGE_NOFACE: - rem_edge_count += rem_free_edges(me) - - if CLEAN_VERTS_FREE: - rem_vert_count += rem_free_verts(me) - - if CLEAN_MATERIALS: - rem_material_count += rem_unused_materials(me) - - if CLEAN_WHITE_VCOL_LAYERS: - rem_vcol_layer_count += rem_white_vcol_layers(me) - - if CLEAN_VWEIGHT or CLEAN_GROUP or CLEAN_WEIGHT_NORMALIZE: - groupNames, vWeightDict= meshWeight2Dict(me) - - if CLEAN_VWEIGHT: - rem_vweight_count += rem_zero_weights(me, limit, groupNames, vWeightDict) - - if CLEAN_GROUP: - rem_group_count += rem_free_groups(me, groupNames, vWeightDict) - pass - - if CLEAN_WEIGHT_NORMALIZE: - normalize_vweight(me, groupNames, vWeightDict) - - # Copy back to mesh vertex groups. - dict2MeshWeight(me, groupNames, vWeightDict) - - if CLEAN_NAN_VERTS: - fix_nan_vcount = fix_nan_verts(me) - - if CLEAN_NAN_UVS: - fix_nan_uvcount = fix_nan_uvs(me) - - # restore multires. - if me.multires: - me.multiresDrawLevel = multires_level_orig - - Blender.Window.WaitCursor(0) - if is_editmode: Window.EditMode(0) - stat_string= 'Removed from ' + str(tot_meshes) + ' Mesh(es)%t|' - - if CLEAN_VERTS_FREE: stat_string+= 'Verts: %i|' % rem_vert_count - if CLEAN_EDGE_SMALL or CLEAN_EDGE_NOFACE: stat_string+= 'Edges: %i|' % rem_edge_count - if CLEAN_FACE_SMALL or CLEAN_FACE_PERIMETER: stat_string+= 'Faces: %i|' % rem_face_count - if CLEAN_MATERIALS: stat_string+= 'Materials: %i|' % rem_material_count - if CLEAN_WHITE_VCOL_LAYERS: stat_string+= 'Color Layers: %i|' % rem_vcol_layer_count - if CLEAN_VWEIGHT: stat_string+= 'VWeights: %i|' % rem_vweight_count - if CLEAN_GROUP: stat_string+= 'VGroups: %i|' % rem_group_count - if CLEAN_NAN_VERTS: stat_string+= 'Vert Nan Fix: %i|' % fix_nan_vcount - if CLEAN_NAN_UVS: stat_string+= 'UV Nan Fix: %i|' % fix_nan_uvcount - Draw.PupMenu(stat_string) - - -if __name__ == '__main__': - main()
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